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| <span id="1003">1003</span> |
| <span id="1004">1004</span> |
| <span id="1005">1005</span> |
| <span id="1006">1006</span> |
| <span id="1007">1007</span> |
| <span id="1008">1008</span> |
| <span id="1009">1009</span> |
| <span id="1010">1010</span> |
| <span id="1011">1011</span> |
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| <span id="1016">1016</span> |
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| <span id="1020">1020</span> |
| <span id="1021">1021</span> |
| <span id="1022">1022</span> |
| <span id="1023">1023</span> |
| <span id="1024">1024</span> |
| <span id="1025">1025</span> |
| <span id="1026">1026</span> |
| <span id="1027">1027</span> |
| <span id="1028">1028</span> |
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| <span id="1030">1030</span> |
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| <span id="1032">1032</span> |
| <span id="1033">1033</span> |
| <span id="1034">1034</span> |
| <span id="1035">1035</span> |
| <span id="1036">1036</span> |
| <span id="1037">1037</span> |
| <span id="1038">1038</span> |
| <span id="1039">1039</span> |
| <span id="1040">1040</span> |
| <span id="1041">1041</span> |
| <span id="1042">1042</span> |
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| <span id="1045">1045</span> |
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| <span id="1049">1049</span> |
| <span id="1050">1050</span> |
| <span id="1051">1051</span> |
| <span id="1052">1052</span> |
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| <span id="2957">2957</span> |
| <span id="2958">2958</span> |
| <span id="2959">2959</span> |
| <span id="2960">2960</span> |
| <span id="2961">2961</span> |
| <span id="2962">2962</span> |
| <span id="2963">2963</span> |
| <span id="2964">2964</span> |
| <span id="2965">2965</span> |
| <span id="2966">2966</span> |
| <span id="2967">2967</span> |
| <span id="2968">2968</span> |
| <span id="2969">2969</span> |
| <span id="2970">2970</span> |
| <span id="2971">2971</span> |
| <span id="2972">2972</span> |
| <span id="2973">2973</span> |
| <span id="2974">2974</span> |
| <span id="2975">2975</span> |
| <span id="2976">2976</span> |
| <span id="2977">2977</span> |
| <span id="2978">2978</span> |
| <span id="2979">2979</span> |
| <span id="2980">2980</span> |
| <span id="2981">2981</span> |
| <span id="2982">2982</span> |
| <span id="2983">2983</span> |
| <span id="2984">2984</span> |
| </pre><pre class="rust"><code><span class="kw">use</span> <span class="ident">lib</span>::<span class="kw-2">*</span>; |
| |
| <span class="kw">use</span> <span class="ident">de::value</span>::{<span class="ident">BorrowedBytesDeserializer</span>, <span class="ident">BytesDeserializer</span>}; |
| <span class="kw">use</span> <span class="ident">de</span>::{<span class="ident">Deserialize</span>, <span class="ident">Deserializer</span>, <span class="ident">Error</span>, <span class="ident">IntoDeserializer</span>, <span class="ident">Visitor</span>}; |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>))]</span> |
| <span class="kw">use</span> <span class="ident">de</span>::{<span class="ident">DeserializeSeed</span>, <span class="ident">MapAccess</span>, <span class="ident">Unexpected</span>}; |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>))]</span> |
| <span class="kw">pub</span> <span class="kw">use</span> <span class="ident"><span class="self">self</span>::content</span>::{ |
| <span class="ident">Content</span>, <span class="ident">ContentDeserializer</span>, <span class="ident">ContentRefDeserializer</span>, <span class="ident">EnumDeserializer</span>, |
| <span class="ident">InternallyTaggedUnitVisitor</span>, <span class="ident">TagContentOtherField</span>, <span class="ident">TagContentOtherFieldVisitor</span>, |
| <span class="ident">TagOrContentField</span>, <span class="ident">TagOrContentFieldVisitor</span>, <span class="ident">TaggedContentVisitor</span>, <span class="ident">UntaggedUnitVisitor</span>, |
| }; |
| |
| <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">seed::InPlaceSeed</span>; |
| |
| <span class="doccomment">/// If the missing field is of type `Option<T>` then treat is as `None`,</span> |
| <span class="doccomment">/// otherwise it is an error.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">missing_field</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">V</span>, <span class="ident">E</span><span class="op">></span>(<span class="ident">field</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Deserialize</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="kw">struct</span> <span class="ident">MissingFieldDeserializer</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>(<span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>, <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>); |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">Deserializer</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">MissingFieldDeserializer</span><span class="op"><</span><span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span>; |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_any</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">_visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="prelude-val">Err</span>(<span class="ident">Error::missing_field</span>(<span class="self">self</span>.<span class="number">0</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_option</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="ident">visitor</span>.<span class="ident">visit_none</span>() |
| } |
| |
| <span class="macro">forward_to_deserialize_any!</span> { |
| <span class="ident">bool</span> <span class="ident">i8</span> <span class="ident">i16</span> <span class="ident">i32</span> <span class="ident">i64</span> <span class="ident">i128</span> <span class="ident">u8</span> <span class="ident">u16</span> <span class="ident">u32</span> <span class="ident">u64</span> <span class="ident">u128</span> <span class="ident">f32</span> <span class="ident">f64</span> <span class="ident">char</span> <span class="ident">str</span> <span class="ident">string</span> |
| <span class="ident">bytes</span> <span class="ident">byte_buf</span> <span class="ident">unit</span> <span class="ident">unit_struct</span> <span class="ident">newtype_struct</span> <span class="ident">seq</span> <span class="ident">tuple</span> |
| <span class="ident">tuple_struct</span> <span class="ident">map</span> <span class="kw">struct</span> <span class="kw">enum</span> <span class="ident">identifier</span> <span class="ident">ignored_any</span> |
| } |
| } |
| |
| <span class="kw">let</span> <span class="ident">deserializer</span> <span class="op">=</span> <span class="ident">MissingFieldDeserializer</span>(<span class="ident">field</span>, <span class="ident">PhantomData</span>); |
| <span class="ident">Deserialize::deserialize</span>(<span class="ident">deserializer</span>) |
| } |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>))]</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">borrow_cow_str</span><span class="op"><</span><span class="lifetime">'de</span>: <span class="lifetime">'a</span>, <span class="lifetime">'a</span>, <span class="ident">D</span>, <span class="ident">R</span><span class="op">></span>(<span class="ident">deserializer</span>: <span class="ident">D</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">R</span>, <span class="ident">D::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">D</span>: <span class="ident">Deserializer</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| <span class="ident">R</span>: <span class="ident">From</span><span class="op"><</span><span class="ident">Cow</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="ident">str</span><span class="op">></span><span class="op">></span>, |
| { |
| <span class="kw">struct</span> <span class="ident">CowStrVisitor</span>; |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> <span class="kw">for</span> <span class="ident">CowStrVisitor</span> { |
| <span class="kw">type</span> <span class="ident">Value</span> <span class="op">=</span> <span class="ident">Cow</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="ident">str</span><span class="op">></span>; |
| |
| <span class="kw">fn</span> <span class="ident">expecting</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">formatter</span>: <span class="kw-2">&mut</span> <span class="ident">fmt::Formatter</span>) -> <span class="ident">fmt::Result</span> { |
| <span class="ident">formatter</span>.<span class="ident">write_str</span>(<span class="string">"a string"</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_str</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">v</span>: <span class="kw-2">&</span><span class="ident">str</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Cow::Owned</span>(<span class="ident">v</span>.<span class="ident">to_owned</span>())) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_borrowed_str</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">v</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">str</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Cow::Borrowed</span>(<span class="ident">v</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_string</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">v</span>: <span class="ident">String</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Cow::Owned</span>(<span class="ident">v</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_bytes</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">v</span>: <span class="kw-2">&</span>[<span class="ident">u8</span>]) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="kw">match</span> <span class="ident">str::from_utf8</span>(<span class="ident">v</span>) { |
| <span class="prelude-val">Ok</span>(<span class="ident">s</span>) => <span class="prelude-val">Ok</span>(<span class="ident">Cow::Owned</span>(<span class="ident">s</span>.<span class="ident">to_owned</span>())), |
| <span class="prelude-val">Err</span>(<span class="kw">_</span>) => <span class="prelude-val">Err</span>(<span class="ident">Error::invalid_value</span>(<span class="ident">Unexpected::Bytes</span>(<span class="ident">v</span>), <span class="kw-2">&</span><span class="self">self</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_borrowed_bytes</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">v</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> [<span class="ident">u8</span>]) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="kw">match</span> <span class="ident">str::from_utf8</span>(<span class="ident">v</span>) { |
| <span class="prelude-val">Ok</span>(<span class="ident">s</span>) => <span class="prelude-val">Ok</span>(<span class="ident">Cow::Borrowed</span>(<span class="ident">s</span>)), |
| <span class="prelude-val">Err</span>(<span class="kw">_</span>) => <span class="prelude-val">Err</span>(<span class="ident">Error::invalid_value</span>(<span class="ident">Unexpected::Bytes</span>(<span class="ident">v</span>), <span class="kw-2">&</span><span class="self">self</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_byte_buf</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">v</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">u8</span><span class="op">></span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="kw">match</span> <span class="ident">String::from_utf8</span>(<span class="ident">v</span>) { |
| <span class="prelude-val">Ok</span>(<span class="ident">s</span>) => <span class="prelude-val">Ok</span>(<span class="ident">Cow::Owned</span>(<span class="ident">s</span>)), |
| <span class="prelude-val">Err</span>(<span class="ident">e</span>) => <span class="prelude-val">Err</span>(<span class="ident">Error::invalid_value</span>( |
| <span class="ident">Unexpected::Bytes</span>(<span class="kw-2">&</span><span class="ident">e</span>.<span class="ident">into_bytes</span>()), |
| <span class="kw-2">&</span><span class="self">self</span>, |
| )), |
| } |
| } |
| } |
| |
| <span class="ident">deserializer</span>.<span class="ident">deserialize_str</span>(<span class="ident">CowStrVisitor</span>).<span class="ident">map</span>(<span class="ident">From::from</span>) |
| } |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>))]</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">borrow_cow_bytes</span><span class="op"><</span><span class="lifetime">'de</span>: <span class="lifetime">'a</span>, <span class="lifetime">'a</span>, <span class="ident">D</span>, <span class="ident">R</span><span class="op">></span>(<span class="ident">deserializer</span>: <span class="ident">D</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">R</span>, <span class="ident">D::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">D</span>: <span class="ident">Deserializer</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| <span class="ident">R</span>: <span class="ident">From</span><span class="op"><</span><span class="ident">Cow</span><span class="op"><</span><span class="lifetime">'a</span>, [<span class="ident">u8</span>]<span class="op">></span><span class="op">></span>, |
| { |
| <span class="kw">struct</span> <span class="ident">CowBytesVisitor</span>; |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> <span class="kw">for</span> <span class="ident">CowBytesVisitor</span> { |
| <span class="kw">type</span> <span class="ident">Value</span> <span class="op">=</span> <span class="ident">Cow</span><span class="op"><</span><span class="lifetime">'a</span>, [<span class="ident">u8</span>]<span class="op">></span>; |
| |
| <span class="kw">fn</span> <span class="ident">expecting</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">formatter</span>: <span class="kw-2">&mut</span> <span class="ident">fmt::Formatter</span>) -> <span class="ident">fmt::Result</span> { |
| <span class="ident">formatter</span>.<span class="ident">write_str</span>(<span class="string">"a byte array"</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_str</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">v</span>: <span class="kw-2">&</span><span class="ident">str</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Cow::Owned</span>(<span class="ident">v</span>.<span class="ident">as_bytes</span>().<span class="ident">to_vec</span>())) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_borrowed_str</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">v</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">str</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Cow::Borrowed</span>(<span class="ident">v</span>.<span class="ident">as_bytes</span>())) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_string</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">v</span>: <span class="ident">String</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Cow::Owned</span>(<span class="ident">v</span>.<span class="ident">into_bytes</span>())) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_bytes</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">v</span>: <span class="kw-2">&</span>[<span class="ident">u8</span>]) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Cow::Owned</span>(<span class="ident">v</span>.<span class="ident">to_vec</span>())) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_borrowed_bytes</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">v</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> [<span class="ident">u8</span>]) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Cow::Borrowed</span>(<span class="ident">v</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_byte_buf</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">v</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">u8</span><span class="op">></span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Cow::Owned</span>(<span class="ident">v</span>)) |
| } |
| } |
| |
| <span class="ident">deserializer</span> |
| .<span class="ident">deserialize_bytes</span>(<span class="ident">CowBytesVisitor</span>) |
| .<span class="ident">map</span>(<span class="ident">From::from</span>) |
| } |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>))]</span> |
| <span class="kw">mod</span> <span class="ident">content</span> { |
| <span class="comment">// This module is private and nothing here should be used outside of</span> |
| <span class="comment">// generated code.</span> |
| <span class="comment">//</span> |
| <span class="comment">// We will iterate on the implementation for a few releases and only have to</span> |
| <span class="comment">// worry about backward compatibility for the `untagged` and `tag` attributes</span> |
| <span class="comment">// rather than for this entire mechanism.</span> |
| <span class="comment">//</span> |
| <span class="comment">// This issue is tracking making some of this stuff public:</span> |
| <span class="comment">// https://github.com/serde-rs/serde/issues/741</span> |
| |
| <span class="kw">use</span> <span class="ident">lib</span>::<span class="kw-2">*</span>; |
| |
| <span class="kw">use</span> <span class="ident">__private::size_hint</span>; |
| <span class="kw">use</span> <span class="ident">actually_private</span>; |
| <span class="kw">use</span> <span class="ident">de</span>::{ |
| <span class="self">self</span>, <span class="ident">Deserialize</span>, <span class="ident">DeserializeSeed</span>, <span class="ident">Deserializer</span>, <span class="ident">EnumAccess</span>, <span class="ident">Expected</span>, <span class="ident">IgnoredAny</span>, |
| <span class="ident">MapAccess</span>, <span class="ident">SeqAccess</span>, <span class="ident">Unexpected</span>, <span class="ident">Visitor</span>, |
| }; |
| |
| <span class="doccomment">/// Used from generated code to buffer the contents of the Deserializer when</span> |
| <span class="doccomment">/// deserializing untagged enums and internally tagged enums.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// Not public API. Use serde-value instead.</span> |
| <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">Clone</span>)]</span> |
| <span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> { |
| <span class="ident">Bool</span>(<span class="ident">bool</span>), |
| |
| <span class="ident">U8</span>(<span class="ident">u8</span>), |
| <span class="ident">U16</span>(<span class="ident">u16</span>), |
| <span class="ident">U32</span>(<span class="ident">u32</span>), |
| <span class="ident">U64</span>(<span class="ident">u64</span>), |
| |
| <span class="ident">I8</span>(<span class="ident">i8</span>), |
| <span class="ident">I16</span>(<span class="ident">i16</span>), |
| <span class="ident">I32</span>(<span class="ident">i32</span>), |
| <span class="ident">I64</span>(<span class="ident">i64</span>), |
| |
| <span class="ident">F32</span>(<span class="ident">f32</span>), |
| <span class="ident">F64</span>(<span class="ident">f64</span>), |
| |
| <span class="ident">Char</span>(<span class="ident">char</span>), |
| <span class="ident">String</span>(<span class="ident">String</span>), |
| <span class="ident">Str</span>(<span class="kw-2">&</span><span class="lifetime">'de</span> <span class="ident">str</span>), |
| <span class="ident">ByteBuf</span>(<span class="ident">Vec</span><span class="op"><</span><span class="ident">u8</span><span class="op">></span>), |
| <span class="ident">Bytes</span>(<span class="kw-2">&</span><span class="lifetime">'de</span> [<span class="ident">u8</span>]), |
| |
| <span class="prelude-val">None</span>, |
| <span class="prelude-val">Some</span>(<span class="ident">Box</span><span class="op"><</span><span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span><span class="op">></span>), |
| |
| <span class="ident">Unit</span>, |
| <span class="ident">Newtype</span>(<span class="ident">Box</span><span class="op"><</span><span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span><span class="op">></span>), |
| <span class="ident">Seq</span>(<span class="ident">Vec</span><span class="op"><</span><span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span><span class="op">></span>), |
| <span class="ident">Map</span>(<span class="ident">Vec</span><span class="op"><</span>(<span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>)<span class="op">></span>), |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> { |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">as_str</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">str</span><span class="op">></span> { |
| <span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span> { |
| <span class="ident">Content::Str</span>(<span class="ident">x</span>) => <span class="prelude-val">Some</span>(<span class="ident">x</span>), |
| <span class="ident">Content::String</span>(<span class="kw-2">ref</span> <span class="ident">x</span>) => <span class="prelude-val">Some</span>(<span class="ident">x</span>), |
| <span class="ident">Content::Bytes</span>(<span class="ident">x</span>) => <span class="ident">str::from_utf8</span>(<span class="ident">x</span>).<span class="ident">ok</span>(), |
| <span class="ident">Content::ByteBuf</span>(<span class="kw-2">ref</span> <span class="ident">x</span>) => <span class="ident">str::from_utf8</span>(<span class="ident">x</span>).<span class="ident">ok</span>(), |
| <span class="kw">_</span> => <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="attribute">#[<span class="ident">cold</span>]</span> |
| <span class="kw">fn</span> <span class="ident">unexpected</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">Unexpected</span> { |
| <span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span> { |
| <span class="ident">Content::Bool</span>(<span class="ident">b</span>) => <span class="ident">Unexpected::Bool</span>(<span class="ident">b</span>), |
| <span class="ident">Content::U8</span>(<span class="ident">n</span>) => <span class="ident">Unexpected::Unsigned</span>(<span class="ident">n</span> <span class="kw">as</span> <span class="ident">u64</span>), |
| <span class="ident">Content::U16</span>(<span class="ident">n</span>) => <span class="ident">Unexpected::Unsigned</span>(<span class="ident">n</span> <span class="kw">as</span> <span class="ident">u64</span>), |
| <span class="ident">Content::U32</span>(<span class="ident">n</span>) => <span class="ident">Unexpected::Unsigned</span>(<span class="ident">n</span> <span class="kw">as</span> <span class="ident">u64</span>), |
| <span class="ident">Content::U64</span>(<span class="ident">n</span>) => <span class="ident">Unexpected::Unsigned</span>(<span class="ident">n</span>), |
| <span class="ident">Content::I8</span>(<span class="ident">n</span>) => <span class="ident">Unexpected::Signed</span>(<span class="ident">n</span> <span class="kw">as</span> <span class="ident">i64</span>), |
| <span class="ident">Content::I16</span>(<span class="ident">n</span>) => <span class="ident">Unexpected::Signed</span>(<span class="ident">n</span> <span class="kw">as</span> <span class="ident">i64</span>), |
| <span class="ident">Content::I32</span>(<span class="ident">n</span>) => <span class="ident">Unexpected::Signed</span>(<span class="ident">n</span> <span class="kw">as</span> <span class="ident">i64</span>), |
| <span class="ident">Content::I64</span>(<span class="ident">n</span>) => <span class="ident">Unexpected::Signed</span>(<span class="ident">n</span>), |
| <span class="ident">Content::F32</span>(<span class="ident">f</span>) => <span class="ident">Unexpected::Float</span>(<span class="ident">f</span> <span class="kw">as</span> <span class="ident">f64</span>), |
| <span class="ident">Content::F64</span>(<span class="ident">f</span>) => <span class="ident">Unexpected::Float</span>(<span class="ident">f</span>), |
| <span class="ident">Content::Char</span>(<span class="ident">c</span>) => <span class="ident">Unexpected::Char</span>(<span class="ident">c</span>), |
| <span class="ident">Content::String</span>(<span class="kw-2">ref</span> <span class="ident">s</span>) => <span class="ident">Unexpected::Str</span>(<span class="ident">s</span>), |
| <span class="ident">Content::Str</span>(<span class="ident">s</span>) => <span class="ident">Unexpected::Str</span>(<span class="ident">s</span>), |
| <span class="ident">Content::ByteBuf</span>(<span class="kw-2">ref</span> <span class="ident">b</span>) => <span class="ident">Unexpected::Bytes</span>(<span class="ident">b</span>), |
| <span class="ident">Content::Bytes</span>(<span class="ident">b</span>) => <span class="ident">Unexpected::Bytes</span>(<span class="ident">b</span>), |
| <span class="ident">Content::None</span> <span class="op">|</span> <span class="ident">Content::Some</span>(<span class="kw">_</span>) => <span class="ident">Unexpected::Option</span>, |
| <span class="ident">Content::Unit</span> => <span class="ident">Unexpected::Unit</span>, |
| <span class="ident">Content::Newtype</span>(<span class="kw">_</span>) => <span class="ident">Unexpected::NewtypeStruct</span>, |
| <span class="ident">Content::Seq</span>(<span class="kw">_</span>) => <span class="ident">Unexpected::Seq</span>, |
| <span class="ident">Content::Map</span>(<span class="kw">_</span>) => <span class="ident">Unexpected::Map</span>, |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="ident">Deserialize</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> { |
| <span class="kw">fn</span> <span class="ident">deserialize</span><span class="op"><</span><span class="ident">D</span><span class="op">></span>(<span class="ident">deserializer</span>: <span class="ident">D</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="self">Self</span>, <span class="ident">D::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">D</span>: <span class="ident">Deserializer</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="comment">// Untagged and internally tagged enums are only supported in</span> |
| <span class="comment">// self-describing formats.</span> |
| <span class="kw">let</span> <span class="ident">visitor</span> <span class="op">=</span> <span class="ident">ContentVisitor</span> { <span class="ident">value</span>: <span class="ident">PhantomData</span> }; |
| <span class="ident">deserializer</span>.<span class="ident">__deserialize_content</span>(<span class="ident">actually_private::T</span>, <span class="ident">visitor</span>) |
| } |
| } |
| |
| <span class="kw">struct</span> <span class="ident">ContentVisitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> { |
| <span class="ident">value</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span><span class="op">></span>, |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="ident">ContentVisitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> { |
| <span class="kw">fn</span> <span class="ident">new</span>() -> <span class="self">Self</span> { |
| <span class="ident">ContentVisitor</span> { <span class="ident">value</span>: <span class="ident">PhantomData</span> } |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">ContentVisitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> { |
| <span class="kw">type</span> <span class="ident">Value</span> <span class="op">=</span> <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>; |
| |
| <span class="kw">fn</span> <span class="ident">expecting</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">fmt</span>: <span class="kw-2">&mut</span> <span class="ident">fmt::Formatter</span>) -> <span class="ident">fmt::Result</span> { |
| <span class="ident">fmt</span>.<span class="ident">write_str</span>(<span class="string">"any value"</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_bool</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">bool</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Content::Bool</span>(<span class="ident">value</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_i8</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i8</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Content::I8</span>(<span class="ident">value</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_i16</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i16</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Content::I16</span>(<span class="ident">value</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_i32</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i32</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Content::I32</span>(<span class="ident">value</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_i64</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i64</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Content::I64</span>(<span class="ident">value</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_u8</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">u8</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Content::U8</span>(<span class="ident">value</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_u16</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">u16</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Content::U16</span>(<span class="ident">value</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_u32</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">u32</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Content::U32</span>(<span class="ident">value</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_u64</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">u64</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Content::U64</span>(<span class="ident">value</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_f32</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">f32</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Content::F32</span>(<span class="ident">value</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_f64</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">f64</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Content::F64</span>(<span class="ident">value</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_char</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">char</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Content::Char</span>(<span class="ident">value</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_str</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="kw-2">&</span><span class="ident">str</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Content::String</span>(<span class="ident">value</span>.<span class="ident">into</span>())) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_borrowed_str</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="kw-2">&</span><span class="lifetime">'de</span> <span class="ident">str</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Content::Str</span>(<span class="ident">value</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_string</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">String</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Content::String</span>(<span class="ident">value</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_bytes</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="kw-2">&</span>[<span class="ident">u8</span>]) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Content::ByteBuf</span>(<span class="ident">value</span>.<span class="ident">into</span>())) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_borrowed_bytes</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="kw-2">&</span><span class="lifetime">'de</span> [<span class="ident">u8</span>]) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Content::Bytes</span>(<span class="ident">value</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_byte_buf</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">u8</span><span class="op">></span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Content::ByteBuf</span>(<span class="ident">value</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_unit</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Content::Unit</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_none</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(<span class="ident">Content::None</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_some</span><span class="op"><</span><span class="ident">D</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">deserializer</span>: <span class="ident">D</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">D::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">D</span>: <span class="ident">Deserializer</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="ident">Deserialize::deserialize</span>(<span class="ident">deserializer</span>).<span class="ident">map</span>(<span class="op">|</span><span class="ident">v</span><span class="op">|</span> <span class="ident">Content::Some</span>(<span class="ident">Box::new</span>(<span class="ident">v</span>))) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_newtype_struct</span><span class="op"><</span><span class="ident">D</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">deserializer</span>: <span class="ident">D</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">D::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">D</span>: <span class="ident">Deserializer</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="ident">Deserialize::deserialize</span>(<span class="ident">deserializer</span>).<span class="ident">map</span>(<span class="op">|</span><span class="ident">v</span><span class="op">|</span> <span class="ident">Content::Newtype</span>(<span class="ident">Box::new</span>(<span class="ident">v</span>))) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_seq</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="kw-2">mut</span> <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">V::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">SeqAccess</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="ident">Vec::with_capacity</span>(<span class="ident">size_hint::cautious</span>(<span class="ident">visitor</span>.<span class="ident">size_hint</span>())); |
| <span class="kw">while</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">e</span>) <span class="op">=</span> <span class="macro">try!</span>(<span class="ident">visitor</span>.<span class="ident">next_element</span>()) { |
| <span class="ident">vec</span>.<span class="ident">push</span>(<span class="ident">e</span>); |
| } |
| <span class="prelude-val">Ok</span>(<span class="ident">Content::Seq</span>(<span class="ident">vec</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_map</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="kw-2">mut</span> <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">V::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">MapAccess</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="ident">Vec::with_capacity</span>(<span class="ident">size_hint::cautious</span>(<span class="ident">visitor</span>.<span class="ident">size_hint</span>())); |
| <span class="kw">while</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">kv</span>) <span class="op">=</span> <span class="macro">try!</span>(<span class="ident">visitor</span>.<span class="ident">next_entry</span>()) { |
| <span class="ident">vec</span>.<span class="ident">push</span>(<span class="ident">kv</span>); |
| } |
| <span class="prelude-val">Ok</span>(<span class="ident">Content::Map</span>(<span class="ident">vec</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_enum</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">_visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">V::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">EnumAccess</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="prelude-val">Err</span>(<span class="ident">de::Error::custom</span>( |
| <span class="string">"untagged and internally tagged enums do not support enum input"</span>, |
| )) |
| } |
| } |
| |
| <span class="doccomment">/// This is the type of the map keys in an internally tagged enum.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// Not public API.</span> |
| <span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">TagOrContent</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> { |
| <span class="ident">Tag</span>, |
| <span class="ident">Content</span>(<span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>), |
| } |
| |
| <span class="kw">struct</span> <span class="ident">TagOrContentVisitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> { |
| <span class="ident">name</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>, |
| <span class="ident">value</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">TagOrContent</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span><span class="op">></span>, |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="ident">TagOrContentVisitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> { |
| <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">name</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>) -> <span class="self">Self</span> { |
| <span class="ident">TagOrContentVisitor</span> { |
| <span class="ident">name</span>: <span class="ident">name</span>, |
| <span class="ident">value</span>: <span class="ident">PhantomData</span>, |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="ident">DeserializeSeed</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">TagOrContentVisitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> { |
| <span class="kw">type</span> <span class="ident">Value</span> <span class="op">=</span> <span class="ident">TagOrContent</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>; |
| |
| <span class="kw">fn</span> <span class="ident">deserialize</span><span class="op"><</span><span class="ident">D</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">deserializer</span>: <span class="ident">D</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">D::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">D</span>: <span class="ident">Deserializer</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="comment">// Internally tagged enums are only supported in self-describing</span> |
| <span class="comment">// formats.</span> |
| <span class="ident">deserializer</span>.<span class="ident">deserialize_any</span>(<span class="self">self</span>) |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">TagOrContentVisitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> { |
| <span class="kw">type</span> <span class="ident">Value</span> <span class="op">=</span> <span class="ident">TagOrContent</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>; |
| |
| <span class="kw">fn</span> <span class="ident">expecting</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">fmt</span>: <span class="kw-2">&mut</span> <span class="ident">fmt::Formatter</span>) -> <span class="ident">fmt::Result</span> { |
| <span class="macro">write!</span>(<span class="ident">fmt</span>, <span class="string">"a type tag `{}` or any other value"</span>, <span class="self">self</span>.<span class="ident">name</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_bool</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">bool</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_bool</span>(<span class="ident">value</span>) |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_i8</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i8</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_i8</span>(<span class="ident">value</span>) |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_i16</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i16</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_i16</span>(<span class="ident">value</span>) |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_i32</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i32</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_i32</span>(<span class="ident">value</span>) |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_i64</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i64</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_i64</span>(<span class="ident">value</span>) |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_u8</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">u8</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_u8</span>(<span class="ident">value</span>) |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_u16</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">u16</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_u16</span>(<span class="ident">value</span>) |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_u32</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">u32</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_u32</span>(<span class="ident">value</span>) |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_u64</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">u64</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_u64</span>(<span class="ident">value</span>) |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_f32</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">f32</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_f32</span>(<span class="ident">value</span>) |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_f64</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">f64</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_f64</span>(<span class="ident">value</span>) |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_char</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">char</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_char</span>(<span class="ident">value</span>) |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_str</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="kw-2">&</span><span class="ident">str</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">if</span> <span class="ident">value</span> <span class="op">==</span> <span class="self">self</span>.<span class="ident">name</span> { |
| <span class="prelude-val">Ok</span>(<span class="ident">TagOrContent::Tag</span>) |
| } <span class="kw">else</span> { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_str</span>(<span class="ident">value</span>) |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_borrowed_str</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="kw-2">&</span><span class="lifetime">'de</span> <span class="ident">str</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">if</span> <span class="ident">value</span> <span class="op">==</span> <span class="self">self</span>.<span class="ident">name</span> { |
| <span class="prelude-val">Ok</span>(<span class="ident">TagOrContent::Tag</span>) |
| } <span class="kw">else</span> { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_borrowed_str</span>(<span class="ident">value</span>) |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_string</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">String</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">if</span> <span class="ident">value</span> <span class="op">==</span> <span class="self">self</span>.<span class="ident">name</span> { |
| <span class="prelude-val">Ok</span>(<span class="ident">TagOrContent::Tag</span>) |
| } <span class="kw">else</span> { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_string</span>(<span class="ident">value</span>) |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_bytes</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="kw-2">&</span>[<span class="ident">u8</span>]) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">if</span> <span class="ident">value</span> <span class="op">==</span> <span class="self">self</span>.<span class="ident">name</span>.<span class="ident">as_bytes</span>() { |
| <span class="prelude-val">Ok</span>(<span class="ident">TagOrContent::Tag</span>) |
| } <span class="kw">else</span> { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_bytes</span>(<span class="ident">value</span>) |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_borrowed_bytes</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="kw-2">&</span><span class="lifetime">'de</span> [<span class="ident">u8</span>]) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">if</span> <span class="ident">value</span> <span class="op">==</span> <span class="self">self</span>.<span class="ident">name</span>.<span class="ident">as_bytes</span>() { |
| <span class="prelude-val">Ok</span>(<span class="ident">TagOrContent::Tag</span>) |
| } <span class="kw">else</span> { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_borrowed_bytes</span>(<span class="ident">value</span>) |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_byte_buf</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">u8</span><span class="op">></span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">if</span> <span class="ident">value</span> <span class="op">==</span> <span class="self">self</span>.<span class="ident">name</span>.<span class="ident">as_bytes</span>() { |
| <span class="prelude-val">Ok</span>(<span class="ident">TagOrContent::Tag</span>) |
| } <span class="kw">else</span> { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_byte_buf</span>(<span class="ident">value</span>) |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_unit</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_unit</span>() |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_none</span><span class="op"><</span><span class="ident">F</span><span class="op">></span>(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">F</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">F</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_none</span>() |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_some</span><span class="op"><</span><span class="ident">D</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">deserializer</span>: <span class="ident">D</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">D::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">D</span>: <span class="ident">Deserializer</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_some</span>(<span class="ident">deserializer</span>) |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_newtype_struct</span><span class="op"><</span><span class="ident">D</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">deserializer</span>: <span class="ident">D</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">D::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">D</span>: <span class="ident">Deserializer</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_newtype_struct</span>(<span class="ident">deserializer</span>) |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_seq</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">V::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">SeqAccess</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_seq</span>(<span class="ident">visitor</span>) |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_map</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">V::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">MapAccess</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_map</span>(<span class="ident">visitor</span>) |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_enum</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">V::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">EnumAccess</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="ident">ContentVisitor::new</span>() |
| .<span class="ident">visit_enum</span>(<span class="ident">visitor</span>) |
| .<span class="ident">map</span>(<span class="ident">TagOrContent::Content</span>) |
| } |
| } |
| |
| <span class="doccomment">/// Used by generated code to deserialize an internally tagged enum.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// Not public API.</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">TaggedContent</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">T</span><span class="op">></span> { |
| <span class="kw">pub</span> <span class="ident">tag</span>: <span class="ident">T</span>, |
| <span class="kw">pub</span> <span class="ident">content</span>: <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| } |
| |
| <span class="doccomment">/// Not public API.</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">TaggedContentVisitor</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">T</span><span class="op">></span> { |
| <span class="ident">tag_name</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>, |
| <span class="ident">expecting</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>, |
| <span class="ident">value</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">TaggedContent</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">T</span><span class="op">></span><span class="op">></span>, |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">T</span><span class="op">></span> <span class="ident">TaggedContentVisitor</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">T</span><span class="op">></span> { |
| <span class="doccomment">/// Visitor for the content of an internally tagged enum with the given</span> |
| <span class="doccomment">/// tag name.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">name</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>, <span class="ident">expecting</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>) -> <span class="self">Self</span> { |
| <span class="ident">TaggedContentVisitor</span> { |
| <span class="ident">tag_name</span>: <span class="ident">name</span>, |
| <span class="ident">expecting</span>: <span class="ident">expecting</span>, |
| <span class="ident">value</span>: <span class="ident">PhantomData</span>, |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">T</span><span class="op">></span> <span class="ident">DeserializeSeed</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">TaggedContentVisitor</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">T</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">T</span>: <span class="ident">Deserialize</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">type</span> <span class="ident">Value</span> <span class="op">=</span> <span class="ident">TaggedContent</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">T</span><span class="op">></span>; |
| |
| <span class="kw">fn</span> <span class="ident">deserialize</span><span class="op"><</span><span class="ident">D</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">deserializer</span>: <span class="ident">D</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">D::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">D</span>: <span class="ident">Deserializer</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="comment">// Internally tagged enums are only supported in self-describing</span> |
| <span class="comment">// formats.</span> |
| <span class="ident">deserializer</span>.<span class="ident">deserialize_any</span>(<span class="self">self</span>) |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">T</span><span class="op">></span> <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">TaggedContentVisitor</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">T</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">T</span>: <span class="ident">Deserialize</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">type</span> <span class="ident">Value</span> <span class="op">=</span> <span class="ident">TaggedContent</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">T</span><span class="op">></span>; |
| |
| <span class="kw">fn</span> <span class="ident">expecting</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">fmt</span>: <span class="kw-2">&mut</span> <span class="ident">fmt::Formatter</span>) -> <span class="ident">fmt::Result</span> { |
| <span class="ident">fmt</span>.<span class="ident">write_str</span>(<span class="self">self</span>.<span class="ident">expecting</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_seq</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>(<span class="self">self</span>, <span class="kw-2">mut</span> <span class="ident">seq</span>: <span class="ident">S</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">S::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">S</span>: <span class="ident">SeqAccess</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">let</span> <span class="ident">tag</span> <span class="op">=</span> <span class="kw">match</span> <span class="macro">try!</span>(<span class="ident">seq</span>.<span class="ident">next_element</span>()) { |
| <span class="prelude-val">Some</span>(<span class="ident">tag</span>) => <span class="ident">tag</span>, |
| <span class="prelude-val">None</span> => { |
| <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">de::Error::missing_field</span>(<span class="self">self</span>.<span class="ident">tag_name</span>)); |
| } |
| }; |
| <span class="kw">let</span> <span class="ident">rest</span> <span class="op">=</span> <span class="ident">de::value::SeqAccessDeserializer::new</span>(<span class="ident">seq</span>); |
| <span class="prelude-val">Ok</span>(<span class="ident">TaggedContent</span> { |
| <span class="ident">tag</span>: <span class="ident">tag</span>, |
| <span class="ident">content</span>: <span class="macro">try!</span>(<span class="ident">Content::deserialize</span>(<span class="ident">rest</span>)), |
| }) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_map</span><span class="op"><</span><span class="ident">M</span><span class="op">></span>(<span class="self">self</span>, <span class="kw-2">mut</span> <span class="ident">map</span>: <span class="ident">M</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">M::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">M</span>: <span class="ident">MapAccess</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">tag</span> <span class="op">=</span> <span class="prelude-val">None</span>; |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="ident">Vec::with_capacity</span>(<span class="ident">size_hint::cautious</span>(<span class="ident">map</span>.<span class="ident">size_hint</span>())); |
| <span class="kw">while</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">k</span>) <span class="op">=</span> <span class="macro">try!</span>(<span class="ident">map</span>.<span class="ident">next_key_seed</span>(<span class="ident">TagOrContentVisitor::new</span>(<span class="self">self</span>.<span class="ident">tag_name</span>))) { |
| <span class="kw">match</span> <span class="ident">k</span> { |
| <span class="ident">TagOrContent::Tag</span> => { |
| <span class="kw">if</span> <span class="ident">tag</span>.<span class="ident">is_some</span>() { |
| <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">de::Error::duplicate_field</span>(<span class="self">self</span>.<span class="ident">tag_name</span>)); |
| } |
| <span class="ident">tag</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="macro">try!</span>(<span class="ident">map</span>.<span class="ident">next_value</span>())); |
| } |
| <span class="ident">TagOrContent::Content</span>(<span class="ident">k</span>) => { |
| <span class="kw">let</span> <span class="ident">v</span> <span class="op">=</span> <span class="macro">try!</span>(<span class="ident">map</span>.<span class="ident">next_value</span>()); |
| <span class="ident">vec</span>.<span class="ident">push</span>((<span class="ident">k</span>, <span class="ident">v</span>)); |
| } |
| } |
| } |
| <span class="kw">match</span> <span class="ident">tag</span> { |
| <span class="prelude-val">None</span> => <span class="prelude-val">Err</span>(<span class="ident">de::Error::missing_field</span>(<span class="self">self</span>.<span class="ident">tag_name</span>)), |
| <span class="prelude-val">Some</span>(<span class="ident">tag</span>) => <span class="prelude-val">Ok</span>(<span class="ident">TaggedContent</span> { |
| <span class="ident">tag</span>: <span class="ident">tag</span>, |
| <span class="ident">content</span>: <span class="ident">Content::Map</span>(<span class="ident">vec</span>), |
| }), |
| } |
| } |
| } |
| |
| <span class="doccomment">/// Used by generated code to deserialize an adjacently tagged enum.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// Not public API.</span> |
| <span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">TagOrContentField</span> { |
| <span class="ident">Tag</span>, |
| <span class="ident">Content</span>, |
| } |
| |
| <span class="doccomment">/// Not public API.</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">TagOrContentFieldVisitor</span> { |
| <span class="kw">pub</span> <span class="ident">tag</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>, |
| <span class="kw">pub</span> <span class="ident">content</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>, |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="ident">DeserializeSeed</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">TagOrContentFieldVisitor</span> { |
| <span class="kw">type</span> <span class="ident">Value</span> <span class="op">=</span> <span class="ident">TagOrContentField</span>; |
| |
| <span class="kw">fn</span> <span class="ident">deserialize</span><span class="op"><</span><span class="ident">D</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">deserializer</span>: <span class="ident">D</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">D::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">D</span>: <span class="ident">Deserializer</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="ident">deserializer</span>.<span class="ident">deserialize_str</span>(<span class="self">self</span>) |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">TagOrContentFieldVisitor</span> { |
| <span class="kw">type</span> <span class="ident">Value</span> <span class="op">=</span> <span class="ident">TagOrContentField</span>; |
| |
| <span class="kw">fn</span> <span class="ident">expecting</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">formatter</span>: <span class="kw-2">&mut</span> <span class="ident">fmt::Formatter</span>) -> <span class="ident">fmt::Result</span> { |
| <span class="macro">write!</span>(<span class="ident">formatter</span>, <span class="string">"{:?} or {:?}"</span>, <span class="self">self</span>.<span class="ident">tag</span>, <span class="self">self</span>.<span class="ident">content</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_str</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">field</span>: <span class="kw-2">&</span><span class="ident">str</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">if</span> <span class="ident">field</span> <span class="op">==</span> <span class="self">self</span>.<span class="ident">tag</span> { |
| <span class="prelude-val">Ok</span>(<span class="ident">TagOrContentField::Tag</span>) |
| } <span class="kw">else</span> <span class="kw">if</span> <span class="ident">field</span> <span class="op">==</span> <span class="self">self</span>.<span class="ident">content</span> { |
| <span class="prelude-val">Ok</span>(<span class="ident">TagOrContentField::Content</span>) |
| } <span class="kw">else</span> { |
| <span class="prelude-val">Err</span>(<span class="ident">de::Error::invalid_value</span>(<span class="ident">Unexpected::Str</span>(<span class="ident">field</span>), <span class="kw-2">&</span><span class="self">self</span>)) |
| } |
| } |
| } |
| |
| <span class="doccomment">/// Used by generated code to deserialize an adjacently tagged enum when</span> |
| <span class="doccomment">/// ignoring unrelated fields is allowed.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// Not public API.</span> |
| <span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">TagContentOtherField</span> { |
| <span class="ident">Tag</span>, |
| <span class="ident">Content</span>, |
| <span class="ident">Other</span>, |
| } |
| |
| <span class="doccomment">/// Not public API.</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">TagContentOtherFieldVisitor</span> { |
| <span class="kw">pub</span> <span class="ident">tag</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>, |
| <span class="kw">pub</span> <span class="ident">content</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>, |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="ident">DeserializeSeed</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">TagContentOtherFieldVisitor</span> { |
| <span class="kw">type</span> <span class="ident">Value</span> <span class="op">=</span> <span class="ident">TagContentOtherField</span>; |
| |
| <span class="kw">fn</span> <span class="ident">deserialize</span><span class="op"><</span><span class="ident">D</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">deserializer</span>: <span class="ident">D</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">D::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">D</span>: <span class="ident">Deserializer</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="ident">deserializer</span>.<span class="ident">deserialize_str</span>(<span class="self">self</span>) |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">TagContentOtherFieldVisitor</span> { |
| <span class="kw">type</span> <span class="ident">Value</span> <span class="op">=</span> <span class="ident">TagContentOtherField</span>; |
| |
| <span class="kw">fn</span> <span class="ident">expecting</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">formatter</span>: <span class="kw-2">&mut</span> <span class="ident">fmt::Formatter</span>) -> <span class="ident">fmt::Result</span> { |
| <span class="macro">write!</span>( |
| <span class="ident">formatter</span>, |
| <span class="string">"{:?}, {:?}, or other ignored fields"</span>, |
| <span class="self">self</span>.<span class="ident">tag</span>, <span class="self">self</span>.<span class="ident">content</span> |
| ) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_str</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">field</span>: <span class="kw-2">&</span><span class="ident">str</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident"><span class="self">Self</span>::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">if</span> <span class="ident">field</span> <span class="op">==</span> <span class="self">self</span>.<span class="ident">tag</span> { |
| <span class="prelude-val">Ok</span>(<span class="ident">TagContentOtherField::Tag</span>) |
| } <span class="kw">else</span> <span class="kw">if</span> <span class="ident">field</span> <span class="op">==</span> <span class="self">self</span>.<span class="ident">content</span> { |
| <span class="prelude-val">Ok</span>(<span class="ident">TagContentOtherField::Content</span>) |
| } <span class="kw">else</span> { |
| <span class="prelude-val">Ok</span>(<span class="ident">TagContentOtherField::Other</span>) |
| } |
| } |
| } |
| |
| <span class="doccomment">/// Not public API</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">ContentDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> { |
| <span class="ident">content</span>: <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| <span class="ident">err</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>, |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">ContentDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="attribute">#[<span class="ident">cold</span>]</span> |
| <span class="kw">fn</span> <span class="ident">invalid_type</span>(<span class="self">self</span>, <span class="ident">exp</span>: <span class="kw-2">&</span><span class="ident">Expected</span>) -> <span class="ident">E</span> { |
| <span class="ident">de::Error::invalid_type</span>(<span class="self">self</span>.<span class="ident">content</span>.<span class="ident">unexpected</span>(), <span class="ident">exp</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_integer</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::U8</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u8</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U16</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u16</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U32</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u32</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U64</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u64</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I8</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i8</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I16</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i16</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I32</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i32</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I64</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i64</span>(<span class="ident">v</span>), |
| <span class="kw">_</span> => <span class="prelude-val">Err</span>(<span class="self">self</span>.<span class="ident">invalid_type</span>(<span class="kw-2">&</span><span class="ident">visitor</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_float</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::F32</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_f32</span>(<span class="ident">v</span>), |
| <span class="ident">Content::F64</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_f64</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U8</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u8</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U16</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u16</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U32</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u32</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U64</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u64</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I8</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i8</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I16</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i16</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I32</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i32</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I64</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i64</span>(<span class="ident">v</span>), |
| <span class="kw">_</span> => <span class="prelude-val">Err</span>(<span class="self">self</span>.<span class="ident">invalid_type</span>(<span class="kw-2">&</span><span class="ident">visitor</span>)), |
| } |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_content_seq</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">V</span>, <span class="ident">E</span><span class="op">></span>(<span class="ident">content</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span><span class="op">></span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">let</span> <span class="ident">seq</span> <span class="op">=</span> <span class="ident">content</span>.<span class="ident">into_iter</span>().<span class="ident">map</span>(<span class="ident">ContentDeserializer::new</span>); |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">seq_visitor</span> <span class="op">=</span> <span class="ident">de::value::SeqDeserializer::new</span>(<span class="ident">seq</span>); |
| <span class="kw">let</span> <span class="ident">value</span> <span class="op">=</span> <span class="macro">try!</span>(<span class="ident">visitor</span>.<span class="ident">visit_seq</span>(<span class="kw-2">&mut</span> <span class="ident">seq_visitor</span>)); |
| <span class="macro">try!</span>(<span class="ident">seq_visitor</span>.<span class="ident">end</span>()); |
| <span class="prelude-val">Ok</span>(<span class="ident">value</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_content_map</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">V</span>, <span class="ident">E</span><span class="op">></span>( |
| <span class="ident">content</span>: <span class="ident">Vec</span><span class="op"><</span>(<span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>)<span class="op">></span>, |
| <span class="ident">visitor</span>: <span class="ident">V</span>, |
| ) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">let</span> <span class="ident">map</span> <span class="op">=</span> <span class="ident">content</span> |
| .<span class="ident">into_iter</span>() |
| .<span class="ident">map</span>(<span class="op">|</span>(<span class="ident">k</span>, <span class="ident">v</span>)<span class="op">|</span> (<span class="ident">ContentDeserializer::new</span>(<span class="ident">k</span>), <span class="ident">ContentDeserializer::new</span>(<span class="ident">v</span>))); |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">map_visitor</span> <span class="op">=</span> <span class="ident">de::value::MapDeserializer::new</span>(<span class="ident">map</span>); |
| <span class="kw">let</span> <span class="ident">value</span> <span class="op">=</span> <span class="macro">try!</span>(<span class="ident">visitor</span>.<span class="ident">visit_map</span>(<span class="kw-2">&mut</span> <span class="ident">map_visitor</span>)); |
| <span class="macro">try!</span>(<span class="ident">map_visitor</span>.<span class="ident">end</span>()); |
| <span class="prelude-val">Ok</span>(<span class="ident">value</span>) |
| } |
| |
| <span class="doccomment">/// Used when deserializing an internally tagged enum because the content</span> |
| <span class="doccomment">/// will be used exactly once.</span> |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">Deserializer</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">ContentDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span>; |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_any</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::Bool</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_bool</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U8</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u8</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U16</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u16</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U32</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u32</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U64</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u64</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I8</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i8</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I16</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i16</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I32</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i32</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I64</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i64</span>(<span class="ident">v</span>), |
| <span class="ident">Content::F32</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_f32</span>(<span class="ident">v</span>), |
| <span class="ident">Content::F64</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_f64</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Char</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_char</span>(<span class="ident">v</span>), |
| <span class="ident">Content::String</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_string</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Str</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_borrowed_str</span>(<span class="ident">v</span>), |
| <span class="ident">Content::ByteBuf</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_byte_buf</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Bytes</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_borrowed_bytes</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Unit</span> => <span class="ident">visitor</span>.<span class="ident">visit_unit</span>(), |
| <span class="ident">Content::None</span> => <span class="ident">visitor</span>.<span class="ident">visit_none</span>(), |
| <span class="ident">Content::Some</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_some</span>(<span class="ident">ContentDeserializer::new</span>(<span class="kw-2">*</span><span class="ident">v</span>)), |
| <span class="ident">Content::Newtype</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_newtype_struct</span>(<span class="ident">ContentDeserializer::new</span>(<span class="kw-2">*</span><span class="ident">v</span>)), |
| <span class="ident">Content::Seq</span>(<span class="ident">v</span>) => <span class="ident">visit_content_seq</span>(<span class="ident">v</span>, <span class="ident">visitor</span>), |
| <span class="ident">Content::Map</span>(<span class="ident">v</span>) => <span class="ident">visit_content_map</span>(<span class="ident">v</span>, <span class="ident">visitor</span>), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_bool</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::Bool</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_bool</span>(<span class="ident">v</span>), |
| <span class="kw">_</span> => <span class="prelude-val">Err</span>(<span class="self">self</span>.<span class="ident">invalid_type</span>(<span class="kw-2">&</span><span class="ident">visitor</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_i8</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_integer</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_i16</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_integer</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_i32</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_integer</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_i64</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_integer</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_u8</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_integer</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_u16</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_integer</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_u32</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_integer</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_u64</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_integer</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_f32</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_float</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_f64</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_float</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_char</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::Char</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_char</span>(<span class="ident">v</span>), |
| <span class="ident">Content::String</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_string</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Str</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_borrowed_str</span>(<span class="ident">v</span>), |
| <span class="kw">_</span> => <span class="prelude-val">Err</span>(<span class="self">self</span>.<span class="ident">invalid_type</span>(<span class="kw-2">&</span><span class="ident">visitor</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_str</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_string</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_string</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::String</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_string</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Str</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_borrowed_str</span>(<span class="ident">v</span>), |
| <span class="ident">Content::ByteBuf</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_byte_buf</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Bytes</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_borrowed_bytes</span>(<span class="ident">v</span>), |
| <span class="kw">_</span> => <span class="prelude-val">Err</span>(<span class="self">self</span>.<span class="ident">invalid_type</span>(<span class="kw-2">&</span><span class="ident">visitor</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_bytes</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_byte_buf</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_byte_buf</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::String</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_string</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Str</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_borrowed_str</span>(<span class="ident">v</span>), |
| <span class="ident">Content::ByteBuf</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_byte_buf</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Bytes</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_borrowed_bytes</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Seq</span>(<span class="ident">v</span>) => <span class="ident">visit_content_seq</span>(<span class="ident">v</span>, <span class="ident">visitor</span>), |
| <span class="kw">_</span> => <span class="prelude-val">Err</span>(<span class="self">self</span>.<span class="ident">invalid_type</span>(<span class="kw-2">&</span><span class="ident">visitor</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_option</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::None</span> => <span class="ident">visitor</span>.<span class="ident">visit_none</span>(), |
| <span class="ident">Content::Some</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_some</span>(<span class="ident">ContentDeserializer::new</span>(<span class="kw-2">*</span><span class="ident">v</span>)), |
| <span class="ident">Content::Unit</span> => <span class="ident">visitor</span>.<span class="ident">visit_unit</span>(), |
| <span class="kw">_</span> => <span class="ident">visitor</span>.<span class="ident">visit_some</span>(<span class="self">self</span>), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_unit</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::Unit</span> => <span class="ident">visitor</span>.<span class="ident">visit_unit</span>(), |
| <span class="kw">_</span> => <span class="prelude-val">Err</span>(<span class="self">self</span>.<span class="ident">invalid_type</span>(<span class="kw-2">&</span><span class="ident">visitor</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_unit_struct</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>( |
| <span class="self">self</span>, |
| <span class="ident">_name</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>, |
| <span class="ident">visitor</span>: <span class="ident">V</span>, |
| ) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">content</span> { |
| <span class="comment">// As a special case, allow deserializing untagged newtype</span> |
| <span class="comment">// variant containing unit struct.</span> |
| <span class="comment">//</span> |
| <span class="comment">// #[derive(Deserialize)]</span> |
| <span class="comment">// struct Info;</span> |
| <span class="comment">//</span> |
| <span class="comment">// #[derive(Deserialize)]</span> |
| <span class="comment">// #[serde(tag = "topic")]</span> |
| <span class="comment">// enum Message {</span> |
| <span class="comment">// Info(Info),</span> |
| <span class="comment">// }</span> |
| <span class="comment">//</span> |
| <span class="comment">// We want {"topic":"Info"} to deserialize even though</span> |
| <span class="comment">// ordinarily unit structs do not deserialize from empty map/seq.</span> |
| <span class="ident">Content::Map</span>(<span class="kw-2">ref</span> <span class="ident">v</span>) <span class="kw">if</span> <span class="ident">v</span>.<span class="ident">is_empty</span>() => <span class="ident">visitor</span>.<span class="ident">visit_unit</span>(), |
| <span class="ident">Content::Seq</span>(<span class="kw-2">ref</span> <span class="ident">v</span>) <span class="kw">if</span> <span class="ident">v</span>.<span class="ident">is_empty</span>() => <span class="ident">visitor</span>.<span class="ident">visit_unit</span>(), |
| <span class="kw">_</span> => <span class="self">self</span>.<span class="ident">deserialize_any</span>(<span class="ident">visitor</span>), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_newtype_struct</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>( |
| <span class="self">self</span>, |
| <span class="ident">_name</span>: <span class="kw-2">&</span><span class="ident">str</span>, |
| <span class="ident">visitor</span>: <span class="ident">V</span>, |
| ) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::Newtype</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_newtype_struct</span>(<span class="ident">ContentDeserializer::new</span>(<span class="kw-2">*</span><span class="ident">v</span>)), |
| <span class="kw">_</span> => <span class="ident">visitor</span>.<span class="ident">visit_newtype_struct</span>(<span class="self">self</span>), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_seq</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::Seq</span>(<span class="ident">v</span>) => <span class="ident">visit_content_seq</span>(<span class="ident">v</span>, <span class="ident">visitor</span>), |
| <span class="kw">_</span> => <span class="prelude-val">Err</span>(<span class="self">self</span>.<span class="ident">invalid_type</span>(<span class="kw-2">&</span><span class="ident">visitor</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_tuple</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">_len</span>: <span class="ident">usize</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_seq</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_tuple_struct</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>( |
| <span class="self">self</span>, |
| <span class="ident">_name</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>, |
| <span class="ident">_len</span>: <span class="ident">usize</span>, |
| <span class="ident">visitor</span>: <span class="ident">V</span>, |
| ) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_seq</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_map</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::Map</span>(<span class="ident">v</span>) => <span class="ident">visit_content_map</span>(<span class="ident">v</span>, <span class="ident">visitor</span>), |
| <span class="kw">_</span> => <span class="prelude-val">Err</span>(<span class="self">self</span>.<span class="ident">invalid_type</span>(<span class="kw-2">&</span><span class="ident">visitor</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_struct</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>( |
| <span class="self">self</span>, |
| <span class="ident">_name</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>, |
| <span class="ident">_fields</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> [<span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>], |
| <span class="ident">visitor</span>: <span class="ident">V</span>, |
| ) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::Seq</span>(<span class="ident">v</span>) => <span class="ident">visit_content_seq</span>(<span class="ident">v</span>, <span class="ident">visitor</span>), |
| <span class="ident">Content::Map</span>(<span class="ident">v</span>) => <span class="ident">visit_content_map</span>(<span class="ident">v</span>, <span class="ident">visitor</span>), |
| <span class="kw">_</span> => <span class="prelude-val">Err</span>(<span class="self">self</span>.<span class="ident">invalid_type</span>(<span class="kw-2">&</span><span class="ident">visitor</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_enum</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>( |
| <span class="self">self</span>, |
| <span class="ident">_name</span>: <span class="kw-2">&</span><span class="ident">str</span>, |
| <span class="ident">_variants</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> [<span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>], |
| <span class="ident">visitor</span>: <span class="ident">V</span>, |
| ) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">let</span> (<span class="ident">variant</span>, <span class="ident">value</span>) <span class="op">=</span> <span class="kw">match</span> <span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::Map</span>(<span class="ident">value</span>) => { |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">iter</span> <span class="op">=</span> <span class="ident">value</span>.<span class="ident">into_iter</span>(); |
| <span class="kw">let</span> (<span class="ident">variant</span>, <span class="ident">value</span>) <span class="op">=</span> <span class="kw">match</span> <span class="ident">iter</span>.<span class="ident">next</span>() { |
| <span class="prelude-val">Some</span>(<span class="ident">v</span>) => <span class="ident">v</span>, |
| <span class="prelude-val">None</span> => { |
| <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">de::Error::invalid_value</span>( |
| <span class="ident">de::Unexpected::Map</span>, |
| <span class="kw-2">&</span><span class="string">"map with a single key"</span>, |
| )); |
| } |
| }; |
| <span class="comment">// enums are encoded in json as maps with a single key:value pair</span> |
| <span class="kw">if</span> <span class="ident">iter</span>.<span class="ident">next</span>().<span class="ident">is_some</span>() { |
| <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">de::Error::invalid_value</span>( |
| <span class="ident">de::Unexpected::Map</span>, |
| <span class="kw-2">&</span><span class="string">"map with a single key"</span>, |
| )); |
| } |
| (<span class="ident">variant</span>, <span class="prelude-val">Some</span>(<span class="ident">value</span>)) |
| } |
| <span class="ident">s</span> @ <span class="ident">Content::String</span>(<span class="kw">_</span>) <span class="op">|</span> <span class="ident">s</span> @ <span class="ident">Content::Str</span>(<span class="kw">_</span>) => (<span class="ident">s</span>, <span class="prelude-val">None</span>), |
| <span class="ident">other</span> => { |
| <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">de::Error::invalid_type</span>( |
| <span class="ident">other</span>.<span class="ident">unexpected</span>(), |
| <span class="kw-2">&</span><span class="string">"string or map"</span>, |
| )); |
| } |
| }; |
| |
| <span class="ident">visitor</span>.<span class="ident">visit_enum</span>(<span class="ident">EnumDeserializer::new</span>(<span class="ident">variant</span>, <span class="ident">value</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_identifier</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::String</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_string</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Str</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_borrowed_str</span>(<span class="ident">v</span>), |
| <span class="ident">Content::ByteBuf</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_byte_buf</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Bytes</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_borrowed_bytes</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U8</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u8</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U64</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u64</span>(<span class="ident">v</span>), |
| <span class="kw">_</span> => <span class="prelude-val">Err</span>(<span class="self">self</span>.<span class="ident">invalid_type</span>(<span class="kw-2">&</span><span class="ident">visitor</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_ignored_any</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="ident">drop</span>(<span class="self">self</span>); |
| <span class="ident">visitor</span>.<span class="ident">visit_unit</span>() |
| } |
| |
| <span class="kw">fn</span> <span class="ident">__deserialize_content</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>( |
| <span class="self">self</span>, |
| <span class="kw">_</span>: <span class="ident">actually_private::T</span>, |
| <span class="ident">visitor</span>: <span class="ident">V</span>, |
| ) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">Value</span> <span class="op">=</span> <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span><span class="op">></span>, |
| { |
| <span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="ident">visitor</span>; |
| <span class="prelude-val">Ok</span>(<span class="self">self</span>.<span class="ident">content</span>) |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">ContentDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> { |
| <span class="doccomment">/// private API, don't use</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">content</span>: <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>) -> <span class="self">Self</span> { |
| <span class="ident">ContentDeserializer</span> { |
| <span class="ident">content</span>: <span class="ident">content</span>, |
| <span class="ident">err</span>: <span class="ident">PhantomData</span>, |
| } |
| } |
| } |
| |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">EnumDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="ident">variant</span>: <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| <span class="ident">value</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span><span class="op">></span>, |
| <span class="ident">err</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>, |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">EnumDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">variant</span>: <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, <span class="ident">value</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span><span class="op">></span>) -> <span class="ident">EnumDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> { |
| <span class="ident">EnumDeserializer</span> { |
| <span class="ident">variant</span>: <span class="ident">variant</span>, |
| <span class="ident">value</span>: <span class="ident">value</span>, |
| <span class="ident">err</span>: <span class="ident">PhantomData</span>, |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">de::EnumAccess</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">EnumDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span>; |
| <span class="kw">type</span> <span class="ident">Variant</span> <span class="op">=</span> <span class="ident">VariantDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span>; |
| |
| <span class="kw">fn</span> <span class="ident">variant_seed</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">seed</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span>(<span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Variant</span>), <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">de::DeserializeSeed</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">let</span> <span class="ident">visitor</span> <span class="op">=</span> <span class="ident">VariantDeserializer</span> { |
| <span class="ident">value</span>: <span class="self">self</span>.<span class="ident">value</span>, |
| <span class="ident">err</span>: <span class="ident">PhantomData</span>, |
| }; |
| <span class="ident">seed</span>.<span class="ident">deserialize</span>(<span class="ident">ContentDeserializer::new</span>(<span class="self">self</span>.<span class="ident">variant</span>)) |
| .<span class="ident">map</span>(<span class="op">|</span><span class="ident">v</span><span class="op">|</span> (<span class="ident">v</span>, <span class="ident">visitor</span>)) |
| } |
| } |
| |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">VariantDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="ident">value</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span><span class="op">></span>, |
| <span class="ident">err</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>, |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">de::VariantAccess</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">VariantDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span>; |
| |
| <span class="kw">fn</span> <span class="ident">unit_variant</span>(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span>(), <span class="ident">E</span><span class="op">></span> { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">value</span> { |
| <span class="prelude-val">Some</span>(<span class="ident">value</span>) => <span class="ident">de::Deserialize::deserialize</span>(<span class="ident">ContentDeserializer::new</span>(<span class="ident">value</span>)), |
| <span class="prelude-val">None</span> => <span class="prelude-val">Ok</span>(()), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">newtype_variant_seed</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">seed</span>: <span class="ident">T</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">T::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">T</span>: <span class="ident">de::DeserializeSeed</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">value</span> { |
| <span class="prelude-val">Some</span>(<span class="ident">value</span>) => <span class="ident">seed</span>.<span class="ident">deserialize</span>(<span class="ident">ContentDeserializer::new</span>(<span class="ident">value</span>)), |
| <span class="prelude-val">None</span> => <span class="prelude-val">Err</span>(<span class="ident">de::Error::invalid_type</span>( |
| <span class="ident">de::Unexpected::UnitVariant</span>, |
| <span class="kw-2">&</span><span class="string">"newtype variant"</span>, |
| )), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">tuple_variant</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">_len</span>: <span class="ident">usize</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">de::Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">value</span> { |
| <span class="prelude-val">Some</span>(<span class="ident">Content::Seq</span>(<span class="ident">v</span>)) => { |
| <span class="ident">de::Deserializer::deserialize_any</span>(<span class="ident">SeqDeserializer::new</span>(<span class="ident">v</span>), <span class="ident">visitor</span>) |
| } |
| <span class="prelude-val">Some</span>(<span class="ident">other</span>) => <span class="prelude-val">Err</span>(<span class="ident">de::Error::invalid_type</span>( |
| <span class="ident">other</span>.<span class="ident">unexpected</span>(), |
| <span class="kw-2">&</span><span class="string">"tuple variant"</span>, |
| )), |
| <span class="prelude-val">None</span> => <span class="prelude-val">Err</span>(<span class="ident">de::Error::invalid_type</span>( |
| <span class="ident">de::Unexpected::UnitVariant</span>, |
| <span class="kw-2">&</span><span class="string">"tuple variant"</span>, |
| )), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">struct_variant</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>( |
| <span class="self">self</span>, |
| <span class="ident">_fields</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> [<span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>], |
| <span class="ident">visitor</span>: <span class="ident">V</span>, |
| ) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">de::Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">value</span> { |
| <span class="prelude-val">Some</span>(<span class="ident">Content::Map</span>(<span class="ident">v</span>)) => { |
| <span class="ident">de::Deserializer::deserialize_any</span>(<span class="ident">MapDeserializer::new</span>(<span class="ident">v</span>), <span class="ident">visitor</span>) |
| } |
| <span class="prelude-val">Some</span>(<span class="ident">Content::Seq</span>(<span class="ident">v</span>)) => { |
| <span class="ident">de::Deserializer::deserialize_any</span>(<span class="ident">SeqDeserializer::new</span>(<span class="ident">v</span>), <span class="ident">visitor</span>) |
| } |
| <span class="prelude-val">Some</span>(<span class="ident">other</span>) => <span class="prelude-val">Err</span>(<span class="ident">de::Error::invalid_type</span>( |
| <span class="ident">other</span>.<span class="ident">unexpected</span>(), |
| <span class="kw-2">&</span><span class="string">"struct variant"</span>, |
| )), |
| <span class="prelude-val">None</span> => <span class="prelude-val">Err</span>(<span class="ident">de::Error::invalid_type</span>( |
| <span class="ident">de::Unexpected::UnitVariant</span>, |
| <span class="kw-2">&</span><span class="string">"struct variant"</span>, |
| )), |
| } |
| } |
| } |
| |
| <span class="kw">struct</span> <span class="ident">SeqDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="ident">iter</span>: <span class="op"><</span><span class="ident">Vec</span><span class="op"><</span><span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span><span class="op">></span> <span class="kw">as</span> <span class="ident">IntoIterator</span><span class="op">></span><span class="ident">::IntoIter</span>, |
| <span class="ident">err</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>, |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">SeqDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">vec</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span><span class="op">></span>) -> <span class="self">Self</span> { |
| <span class="ident">SeqDeserializer</span> { |
| <span class="ident">iter</span>: <span class="ident">vec</span>.<span class="ident">into_iter</span>(), |
| <span class="ident">err</span>: <span class="ident">PhantomData</span>, |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">de::Deserializer</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">SeqDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span>; |
| |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">fn</span> <span class="ident">deserialize_any</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">de::Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">let</span> <span class="ident">len</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">iter</span>.<span class="ident">len</span>(); |
| <span class="kw">if</span> <span class="ident">len</span> <span class="op">==</span> <span class="number">0</span> { |
| <span class="ident">visitor</span>.<span class="ident">visit_unit</span>() |
| } <span class="kw">else</span> { |
| <span class="kw">let</span> <span class="ident">ret</span> <span class="op">=</span> <span class="macro">try!</span>(<span class="ident">visitor</span>.<span class="ident">visit_seq</span>(<span class="kw-2">&mut</span> <span class="self">self</span>)); |
| <span class="kw">let</span> <span class="ident">remaining</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">iter</span>.<span class="ident">len</span>(); |
| <span class="kw">if</span> <span class="ident">remaining</span> <span class="op">==</span> <span class="number">0</span> { |
| <span class="prelude-val">Ok</span>(<span class="ident">ret</span>) |
| } <span class="kw">else</span> { |
| <span class="prelude-val">Err</span>(<span class="ident">de::Error::invalid_length</span>(<span class="ident">len</span>, <span class="kw-2">&</span><span class="string">"fewer elements in array"</span>)) |
| } |
| } |
| } |
| |
| <span class="macro">forward_to_deserialize_any!</span> { |
| <span class="ident">bool</span> <span class="ident">i8</span> <span class="ident">i16</span> <span class="ident">i32</span> <span class="ident">i64</span> <span class="ident">i128</span> <span class="ident">u8</span> <span class="ident">u16</span> <span class="ident">u32</span> <span class="ident">u64</span> <span class="ident">u128</span> <span class="ident">f32</span> <span class="ident">f64</span> <span class="ident">char</span> <span class="ident">str</span> <span class="ident">string</span> |
| <span class="ident">bytes</span> <span class="ident">byte_buf</span> <span class="ident">option</span> <span class="ident">unit</span> <span class="ident">unit_struct</span> <span class="ident">newtype_struct</span> <span class="ident">seq</span> <span class="ident">tuple</span> |
| <span class="ident">tuple_struct</span> <span class="ident">map</span> <span class="kw">struct</span> <span class="kw">enum</span> <span class="ident">identifier</span> <span class="ident">ignored_any</span> |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">de::SeqAccess</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">SeqDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span>; |
| |
| <span class="kw">fn</span> <span class="ident">next_element_seed</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="kw-2">&mut</span> <span class="self">self</span>, <span class="ident">seed</span>: <span class="ident">T</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">T::Value</span><span class="op">></span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">T</span>: <span class="ident">de::DeserializeSeed</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">iter</span>.<span class="ident">next</span>() { |
| <span class="prelude-val">Some</span>(<span class="ident">value</span>) => <span class="ident">seed</span>.<span class="ident">deserialize</span>(<span class="ident">ContentDeserializer::new</span>(<span class="ident">value</span>)).<span class="ident">map</span>(<span class="prelude-val">Some</span>), |
| <span class="prelude-val">None</span> => <span class="prelude-val">Ok</span>(<span class="prelude-val">None</span>), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">size_hint</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> { |
| <span class="ident">size_hint::from_bounds</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">iter</span>) |
| } |
| } |
| |
| <span class="kw">struct</span> <span class="ident">MapDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="ident">iter</span>: <span class="op"><</span><span class="ident">Vec</span><span class="op"><</span>(<span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>)<span class="op">></span> <span class="kw">as</span> <span class="ident">IntoIterator</span><span class="op">></span><span class="ident">::IntoIter</span>, |
| <span class="ident">value</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span><span class="op">></span>, |
| <span class="ident">err</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>, |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">MapDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">map</span>: <span class="ident">Vec</span><span class="op"><</span>(<span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>)<span class="op">></span>) -> <span class="self">Self</span> { |
| <span class="ident">MapDeserializer</span> { |
| <span class="ident">iter</span>: <span class="ident">map</span>.<span class="ident">into_iter</span>(), |
| <span class="ident">value</span>: <span class="prelude-val">None</span>, |
| <span class="ident">err</span>: <span class="ident">PhantomData</span>, |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">de::MapAccess</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">MapDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span>; |
| |
| <span class="kw">fn</span> <span class="ident">next_key_seed</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="kw-2">&mut</span> <span class="self">self</span>, <span class="ident">seed</span>: <span class="ident">T</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">T::Value</span><span class="op">></span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">T</span>: <span class="ident">de::DeserializeSeed</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">iter</span>.<span class="ident">next</span>() { |
| <span class="prelude-val">Some</span>((<span class="ident">key</span>, <span class="ident">value</span>)) => { |
| <span class="self">self</span>.<span class="ident">value</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">value</span>); |
| <span class="ident">seed</span>.<span class="ident">deserialize</span>(<span class="ident">ContentDeserializer::new</span>(<span class="ident">key</span>)).<span class="ident">map</span>(<span class="prelude-val">Some</span>) |
| } |
| <span class="prelude-val">None</span> => <span class="prelude-val">Ok</span>(<span class="prelude-val">None</span>), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">next_value_seed</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="kw-2">&mut</span> <span class="self">self</span>, <span class="ident">seed</span>: <span class="ident">T</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">T::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">T</span>: <span class="ident">de::DeserializeSeed</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">value</span>.<span class="ident">take</span>() { |
| <span class="prelude-val">Some</span>(<span class="ident">value</span>) => <span class="ident">seed</span>.<span class="ident">deserialize</span>(<span class="ident">ContentDeserializer::new</span>(<span class="ident">value</span>)), |
| <span class="prelude-val">None</span> => <span class="prelude-val">Err</span>(<span class="ident">de::Error::custom</span>(<span class="string">"value is missing"</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">size_hint</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> { |
| <span class="ident">size_hint::from_bounds</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">iter</span>) |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">de::Deserializer</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">MapDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span>; |
| |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">fn</span> <span class="ident">deserialize_any</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">de::Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="ident">visitor</span>.<span class="ident">visit_map</span>(<span class="self">self</span>) |
| } |
| |
| <span class="macro">forward_to_deserialize_any!</span> { |
| <span class="ident">bool</span> <span class="ident">i8</span> <span class="ident">i16</span> <span class="ident">i32</span> <span class="ident">i64</span> <span class="ident">i128</span> <span class="ident">u8</span> <span class="ident">u16</span> <span class="ident">u32</span> <span class="ident">u64</span> <span class="ident">u128</span> <span class="ident">f32</span> <span class="ident">f64</span> <span class="ident">char</span> <span class="ident">str</span> <span class="ident">string</span> |
| <span class="ident">bytes</span> <span class="ident">byte_buf</span> <span class="ident">option</span> <span class="ident">unit</span> <span class="ident">unit_struct</span> <span class="ident">newtype_struct</span> <span class="ident">seq</span> <span class="ident">tuple</span> |
| <span class="ident">tuple_struct</span> <span class="ident">map</span> <span class="kw">struct</span> <span class="kw">enum</span> <span class="ident">identifier</span> <span class="ident">ignored_any</span> |
| } |
| } |
| |
| <span class="doccomment">/// Not public API.</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">ContentRefDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>: <span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span> { |
| <span class="ident">content</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| <span class="ident">err</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>, |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">ContentRefDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="attribute">#[<span class="ident">cold</span>]</span> |
| <span class="kw">fn</span> <span class="ident">invalid_type</span>(<span class="self">self</span>, <span class="ident">exp</span>: <span class="kw-2">&</span><span class="ident">Expected</span>) -> <span class="ident">E</span> { |
| <span class="ident">de::Error::invalid_type</span>(<span class="self">self</span>.<span class="ident">content</span>.<span class="ident">unexpected</span>(), <span class="ident">exp</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_integer</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::U8</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u8</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U16</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u16</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U32</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u32</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U64</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u64</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I8</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i8</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I16</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i16</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I32</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i32</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I64</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i64</span>(<span class="ident">v</span>), |
| <span class="kw">_</span> => <span class="prelude-val">Err</span>(<span class="self">self</span>.<span class="ident">invalid_type</span>(<span class="kw-2">&</span><span class="ident">visitor</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_float</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::F32</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_f32</span>(<span class="ident">v</span>), |
| <span class="ident">Content::F64</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_f64</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U8</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u8</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U16</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u16</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U32</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u32</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U64</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u64</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I8</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i8</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I16</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i16</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I32</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i32</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I64</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i64</span>(<span class="ident">v</span>), |
| <span class="kw">_</span> => <span class="prelude-val">Err</span>(<span class="self">self</span>.<span class="ident">invalid_type</span>(<span class="kw-2">&</span><span class="ident">visitor</span>)), |
| } |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_content_seq_ref</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">V</span>, <span class="ident">E</span><span class="op">></span>( |
| <span class="ident">content</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> [<span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>], |
| <span class="ident">visitor</span>: <span class="ident">V</span>, |
| ) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">let</span> <span class="ident">seq</span> <span class="op">=</span> <span class="ident">content</span>.<span class="ident">iter</span>().<span class="ident">map</span>(<span class="ident">ContentRefDeserializer::new</span>); |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">seq_visitor</span> <span class="op">=</span> <span class="ident">de::value::SeqDeserializer::new</span>(<span class="ident">seq</span>); |
| <span class="kw">let</span> <span class="ident">value</span> <span class="op">=</span> <span class="macro">try!</span>(<span class="ident">visitor</span>.<span class="ident">visit_seq</span>(<span class="kw-2">&mut</span> <span class="ident">seq_visitor</span>)); |
| <span class="macro">try!</span>(<span class="ident">seq_visitor</span>.<span class="ident">end</span>()); |
| <span class="prelude-val">Ok</span>(<span class="ident">value</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_content_map_ref</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">V</span>, <span class="ident">E</span><span class="op">></span>( |
| <span class="ident">content</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> [(<span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>)], |
| <span class="ident">visitor</span>: <span class="ident">V</span>, |
| ) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">let</span> <span class="ident">map</span> <span class="op">=</span> <span class="ident">content</span>.<span class="ident">iter</span>().<span class="ident">map</span>(<span class="op">|</span><span class="kw-2">&</span>(<span class="kw-2">ref</span> <span class="ident">k</span>, <span class="kw-2">ref</span> <span class="ident">v</span>)<span class="op">|</span> { |
| ( |
| <span class="ident">ContentRefDeserializer::new</span>(<span class="ident">k</span>), |
| <span class="ident">ContentRefDeserializer::new</span>(<span class="ident">v</span>), |
| ) |
| }); |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">map_visitor</span> <span class="op">=</span> <span class="ident">de::value::MapDeserializer::new</span>(<span class="ident">map</span>); |
| <span class="kw">let</span> <span class="ident">value</span> <span class="op">=</span> <span class="macro">try!</span>(<span class="ident">visitor</span>.<span class="ident">visit_map</span>(<span class="kw-2">&mut</span> <span class="ident">map_visitor</span>)); |
| <span class="macro">try!</span>(<span class="ident">map_visitor</span>.<span class="ident">end</span>()); |
| <span class="prelude-val">Ok</span>(<span class="ident">value</span>) |
| } |
| |
| <span class="doccomment">/// Used when deserializing an untagged enum because the content may need</span> |
| <span class="doccomment">/// to be used more than once.</span> |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">Deserializer</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">ContentRefDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span>; |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_any</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::Bool</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_bool</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U8</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u8</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U16</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u16</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U32</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u32</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U64</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u64</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I8</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i8</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I16</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i16</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I32</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i32</span>(<span class="ident">v</span>), |
| <span class="ident">Content::I64</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_i64</span>(<span class="ident">v</span>), |
| <span class="ident">Content::F32</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_f32</span>(<span class="ident">v</span>), |
| <span class="ident">Content::F64</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_f64</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Char</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_char</span>(<span class="ident">v</span>), |
| <span class="ident">Content::String</span>(<span class="kw-2">ref</span> <span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_str</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Str</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_borrowed_str</span>(<span class="ident">v</span>), |
| <span class="ident">Content::ByteBuf</span>(<span class="kw-2">ref</span> <span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_bytes</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Bytes</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_borrowed_bytes</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Unit</span> => <span class="ident">visitor</span>.<span class="ident">visit_unit</span>(), |
| <span class="ident">Content::None</span> => <span class="ident">visitor</span>.<span class="ident">visit_none</span>(), |
| <span class="ident">Content::Some</span>(<span class="kw-2">ref</span> <span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_some</span>(<span class="ident">ContentRefDeserializer::new</span>(<span class="ident">v</span>)), |
| <span class="ident">Content::Newtype</span>(<span class="kw-2">ref</span> <span class="ident">v</span>) => { |
| <span class="ident">visitor</span>.<span class="ident">visit_newtype_struct</span>(<span class="ident">ContentRefDeserializer::new</span>(<span class="ident">v</span>)) |
| } |
| <span class="ident">Content::Seq</span>(<span class="kw-2">ref</span> <span class="ident">v</span>) => <span class="ident">visit_content_seq_ref</span>(<span class="ident">v</span>, <span class="ident">visitor</span>), |
| <span class="ident">Content::Map</span>(<span class="kw-2">ref</span> <span class="ident">v</span>) => <span class="ident">visit_content_map_ref</span>(<span class="ident">v</span>, <span class="ident">visitor</span>), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_bool</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::Bool</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_bool</span>(<span class="ident">v</span>), |
| <span class="kw">_</span> => <span class="prelude-val">Err</span>(<span class="self">self</span>.<span class="ident">invalid_type</span>(<span class="kw-2">&</span><span class="ident">visitor</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_i8</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_integer</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_i16</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_integer</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_i32</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_integer</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_i64</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_integer</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_u8</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_integer</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_u16</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_integer</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_u32</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_integer</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_u64</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_integer</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_f32</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_float</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_f64</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_float</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_char</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::Char</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_char</span>(<span class="ident">v</span>), |
| <span class="ident">Content::String</span>(<span class="kw-2">ref</span> <span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_str</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Str</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_borrowed_str</span>(<span class="ident">v</span>), |
| <span class="kw">_</span> => <span class="prelude-val">Err</span>(<span class="self">self</span>.<span class="ident">invalid_type</span>(<span class="kw-2">&</span><span class="ident">visitor</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_str</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::String</span>(<span class="kw-2">ref</span> <span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_str</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Str</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_borrowed_str</span>(<span class="ident">v</span>), |
| <span class="ident">Content::ByteBuf</span>(<span class="kw-2">ref</span> <span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_bytes</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Bytes</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_borrowed_bytes</span>(<span class="ident">v</span>), |
| <span class="kw">_</span> => <span class="prelude-val">Err</span>(<span class="self">self</span>.<span class="ident">invalid_type</span>(<span class="kw-2">&</span><span class="ident">visitor</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_string</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_str</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_bytes</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::String</span>(<span class="kw-2">ref</span> <span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_str</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Str</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_borrowed_str</span>(<span class="ident">v</span>), |
| <span class="ident">Content::ByteBuf</span>(<span class="kw-2">ref</span> <span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_bytes</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Bytes</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_borrowed_bytes</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Seq</span>(<span class="kw-2">ref</span> <span class="ident">v</span>) => <span class="ident">visit_content_seq_ref</span>(<span class="ident">v</span>, <span class="ident">visitor</span>), |
| <span class="kw">_</span> => <span class="prelude-val">Err</span>(<span class="self">self</span>.<span class="ident">invalid_type</span>(<span class="kw-2">&</span><span class="ident">visitor</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_byte_buf</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_bytes</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_option</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::None</span> => <span class="ident">visitor</span>.<span class="ident">visit_none</span>(), |
| <span class="ident">Content::Some</span>(<span class="kw-2">ref</span> <span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_some</span>(<span class="ident">ContentRefDeserializer::new</span>(<span class="ident">v</span>)), |
| <span class="ident">Content::Unit</span> => <span class="ident">visitor</span>.<span class="ident">visit_unit</span>(), |
| <span class="kw">_</span> => <span class="ident">visitor</span>.<span class="ident">visit_some</span>(<span class="self">self</span>), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_unit</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::Unit</span> => <span class="ident">visitor</span>.<span class="ident">visit_unit</span>(), |
| <span class="kw">_</span> => <span class="prelude-val">Err</span>(<span class="self">self</span>.<span class="ident">invalid_type</span>(<span class="kw-2">&</span><span class="ident">visitor</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_unit_struct</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>( |
| <span class="self">self</span>, |
| <span class="ident">_name</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>, |
| <span class="ident">visitor</span>: <span class="ident">V</span>, |
| ) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_unit</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_newtype_struct</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">_name</span>: <span class="kw-2">&</span><span class="ident">str</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::Newtype</span>(<span class="kw-2">ref</span> <span class="ident">v</span>) => { |
| <span class="ident">visitor</span>.<span class="ident">visit_newtype_struct</span>(<span class="ident">ContentRefDeserializer::new</span>(<span class="ident">v</span>)) |
| } |
| <span class="kw">_</span> => <span class="ident">visitor</span>.<span class="ident">visit_newtype_struct</span>(<span class="self">self</span>), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_seq</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::Seq</span>(<span class="kw-2">ref</span> <span class="ident">v</span>) => <span class="ident">visit_content_seq_ref</span>(<span class="ident">v</span>, <span class="ident">visitor</span>), |
| <span class="kw">_</span> => <span class="prelude-val">Err</span>(<span class="self">self</span>.<span class="ident">invalid_type</span>(<span class="kw-2">&</span><span class="ident">visitor</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_tuple</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">_len</span>: <span class="ident">usize</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_seq</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_tuple_struct</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>( |
| <span class="self">self</span>, |
| <span class="ident">_name</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>, |
| <span class="ident">_len</span>: <span class="ident">usize</span>, |
| <span class="ident">visitor</span>: <span class="ident">V</span>, |
| ) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="self">self</span>.<span class="ident">deserialize_seq</span>(<span class="ident">visitor</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_map</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::Map</span>(<span class="kw-2">ref</span> <span class="ident">v</span>) => <span class="ident">visit_content_map_ref</span>(<span class="ident">v</span>, <span class="ident">visitor</span>), |
| <span class="kw">_</span> => <span class="prelude-val">Err</span>(<span class="self">self</span>.<span class="ident">invalid_type</span>(<span class="kw-2">&</span><span class="ident">visitor</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_struct</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>( |
| <span class="self">self</span>, |
| <span class="ident">_name</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>, |
| <span class="ident">_fields</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> [<span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>], |
| <span class="ident">visitor</span>: <span class="ident">V</span>, |
| ) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::Seq</span>(<span class="kw-2">ref</span> <span class="ident">v</span>) => <span class="ident">visit_content_seq_ref</span>(<span class="ident">v</span>, <span class="ident">visitor</span>), |
| <span class="ident">Content::Map</span>(<span class="kw-2">ref</span> <span class="ident">v</span>) => <span class="ident">visit_content_map_ref</span>(<span class="ident">v</span>, <span class="ident">visitor</span>), |
| <span class="kw">_</span> => <span class="prelude-val">Err</span>(<span class="self">self</span>.<span class="ident">invalid_type</span>(<span class="kw-2">&</span><span class="ident">visitor</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_enum</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>( |
| <span class="self">self</span>, |
| <span class="ident">_name</span>: <span class="kw-2">&</span><span class="ident">str</span>, |
| <span class="ident">_variants</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> [<span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>], |
| <span class="ident">visitor</span>: <span class="ident">V</span>, |
| ) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">let</span> (<span class="ident">variant</span>, <span class="ident">value</span>) <span class="op">=</span> <span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::Map</span>(<span class="kw-2">ref</span> <span class="ident">value</span>) => { |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">iter</span> <span class="op">=</span> <span class="ident">value</span>.<span class="ident">iter</span>(); |
| <span class="kw">let</span> <span class="kw-2">&</span>(<span class="kw-2">ref</span> <span class="ident">variant</span>, <span class="kw-2">ref</span> <span class="ident">value</span>) <span class="op">=</span> <span class="kw">match</span> <span class="ident">iter</span>.<span class="ident">next</span>() { |
| <span class="prelude-val">Some</span>(<span class="ident">v</span>) => <span class="ident">v</span>, |
| <span class="prelude-val">None</span> => { |
| <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">de::Error::invalid_value</span>( |
| <span class="ident">de::Unexpected::Map</span>, |
| <span class="kw-2">&</span><span class="string">"map with a single key"</span>, |
| )); |
| } |
| }; |
| <span class="comment">// enums are encoded in json as maps with a single key:value pair</span> |
| <span class="kw">if</span> <span class="ident">iter</span>.<span class="ident">next</span>().<span class="ident">is_some</span>() { |
| <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">de::Error::invalid_value</span>( |
| <span class="ident">de::Unexpected::Map</span>, |
| <span class="kw-2">&</span><span class="string">"map with a single key"</span>, |
| )); |
| } |
| (<span class="ident">variant</span>, <span class="prelude-val">Some</span>(<span class="ident">value</span>)) |
| } |
| <span class="kw-2">ref</span> <span class="ident">s</span> @ <span class="ident">Content::String</span>(<span class="kw">_</span>) <span class="op">|</span> <span class="kw-2">ref</span> <span class="ident">s</span> @ <span class="ident">Content::Str</span>(<span class="kw">_</span>) => (<span class="ident">s</span>, <span class="prelude-val">None</span>), |
| <span class="kw-2">ref</span> <span class="ident">other</span> => { |
| <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">de::Error::invalid_type</span>( |
| <span class="ident">other</span>.<span class="ident">unexpected</span>(), |
| <span class="kw-2">&</span><span class="string">"string or map"</span>, |
| )); |
| } |
| }; |
| |
| <span class="ident">visitor</span>.<span class="ident">visit_enum</span>(<span class="ident">EnumRefDeserializer</span> { |
| <span class="ident">variant</span>: <span class="ident">variant</span>, |
| <span class="ident">value</span>: <span class="ident">value</span>, |
| <span class="ident">err</span>: <span class="ident">PhantomData</span>, |
| }) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_identifier</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span>.<span class="ident">content</span> { |
| <span class="ident">Content::String</span>(<span class="kw-2">ref</span> <span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_str</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Str</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_borrowed_str</span>(<span class="ident">v</span>), |
| <span class="ident">Content::ByteBuf</span>(<span class="kw-2">ref</span> <span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_bytes</span>(<span class="ident">v</span>), |
| <span class="ident">Content::Bytes</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_borrowed_bytes</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U8</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u8</span>(<span class="ident">v</span>), |
| <span class="ident">Content::U64</span>(<span class="ident">v</span>) => <span class="ident">visitor</span>.<span class="ident">visit_u64</span>(<span class="ident">v</span>), |
| <span class="kw">_</span> => <span class="prelude-val">Err</span>(<span class="self">self</span>.<span class="ident">invalid_type</span>(<span class="kw-2">&</span><span class="ident">visitor</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_ignored_any</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="ident">visitor</span>.<span class="ident">visit_unit</span>() |
| } |
| |
| <span class="kw">fn</span> <span class="ident">__deserialize_content</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>( |
| <span class="self">self</span>, |
| <span class="kw">_</span>: <span class="ident">actually_private::T</span>, |
| <span class="ident">visitor</span>: <span class="ident">V</span>, |
| ) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">Value</span> <span class="op">=</span> <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span><span class="op">></span>, |
| { |
| <span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="ident">visitor</span>; |
| <span class="prelude-val">Ok</span>(<span class="self">self</span>.<span class="ident">content</span>.<span class="ident">clone</span>()) |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">ContentRefDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> { |
| <span class="doccomment">/// private API, don't use</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">content</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>) -> <span class="self">Self</span> { |
| <span class="ident">ContentRefDeserializer</span> { |
| <span class="ident">content</span>: <span class="ident">content</span>, |
| <span class="ident">err</span>: <span class="ident">PhantomData</span>, |
| } |
| } |
| } |
| |
| <span class="kw">struct</span> <span class="ident">EnumRefDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>: <span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="ident">variant</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| <span class="ident">value</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span><span class="op">></span>, |
| <span class="ident">err</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>, |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">de::EnumAccess</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">EnumRefDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span>; |
| <span class="kw">type</span> <span class="ident">Variant</span> <span class="op">=</span> <span class="ident">VariantRefDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span>; |
| |
| <span class="kw">fn</span> <span class="ident">variant_seed</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">seed</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span>(<span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Variant</span>), <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">de::DeserializeSeed</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">let</span> <span class="ident">visitor</span> <span class="op">=</span> <span class="ident">VariantRefDeserializer</span> { |
| <span class="ident">value</span>: <span class="self">self</span>.<span class="ident">value</span>, |
| <span class="ident">err</span>: <span class="ident">PhantomData</span>, |
| }; |
| <span class="ident">seed</span>.<span class="ident">deserialize</span>(<span class="ident">ContentRefDeserializer::new</span>(<span class="self">self</span>.<span class="ident">variant</span>)) |
| .<span class="ident">map</span>(<span class="op">|</span><span class="ident">v</span><span class="op">|</span> (<span class="ident">v</span>, <span class="ident">visitor</span>)) |
| } |
| } |
| |
| <span class="kw">struct</span> <span class="ident">VariantRefDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>: <span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="ident">value</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span><span class="op">></span>, |
| <span class="ident">err</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>, |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">de::VariantAccess</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">VariantRefDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span>; |
| |
| <span class="kw">fn</span> <span class="ident">unit_variant</span>(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span>(), <span class="ident">E</span><span class="op">></span> { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">value</span> { |
| <span class="prelude-val">Some</span>(<span class="ident">value</span>) => <span class="ident">de::Deserialize::deserialize</span>(<span class="ident">ContentRefDeserializer::new</span>(<span class="ident">value</span>)), |
| <span class="prelude-val">None</span> => <span class="prelude-val">Ok</span>(()), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">newtype_variant_seed</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">seed</span>: <span class="ident">T</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">T::Value</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">T</span>: <span class="ident">de::DeserializeSeed</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">value</span> { |
| <span class="prelude-val">Some</span>(<span class="ident">value</span>) => <span class="ident">seed</span>.<span class="ident">deserialize</span>(<span class="ident">ContentRefDeserializer::new</span>(<span class="ident">value</span>)), |
| <span class="prelude-val">None</span> => <span class="prelude-val">Err</span>(<span class="ident">de::Error::invalid_type</span>( |
| <span class="ident">de::Unexpected::UnitVariant</span>, |
| <span class="kw-2">&</span><span class="string">"newtype variant"</span>, |
| )), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">tuple_variant</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">_len</span>: <span class="ident">usize</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">de::Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">value</span> { |
| <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="ident">Content::Seq</span>(<span class="kw-2">ref</span> <span class="ident">v</span>)) => { |
| <span class="ident">de::Deserializer::deserialize_any</span>(<span class="ident">SeqRefDeserializer::new</span>(<span class="ident">v</span>), <span class="ident">visitor</span>) |
| } |
| <span class="prelude-val">Some</span>(<span class="ident">other</span>) => <span class="prelude-val">Err</span>(<span class="ident">de::Error::invalid_type</span>( |
| <span class="ident">other</span>.<span class="ident">unexpected</span>(), |
| <span class="kw-2">&</span><span class="string">"tuple variant"</span>, |
| )), |
| <span class="prelude-val">None</span> => <span class="prelude-val">Err</span>(<span class="ident">de::Error::invalid_type</span>( |
| <span class="ident">de::Unexpected::UnitVariant</span>, |
| <span class="kw-2">&</span><span class="string">"tuple variant"</span>, |
| )), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">struct_variant</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>( |
| <span class="self">self</span>, |
| <span class="ident">_fields</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> [<span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>], |
| <span class="ident">visitor</span>: <span class="ident">V</span>, |
| ) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">de::Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">value</span> { |
| <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="ident">Content::Map</span>(<span class="kw-2">ref</span> <span class="ident">v</span>)) => { |
| <span class="ident">de::Deserializer::deserialize_any</span>(<span class="ident">MapRefDeserializer::new</span>(<span class="ident">v</span>), <span class="ident">visitor</span>) |
| } |
| <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="ident">Content::Seq</span>(<span class="kw-2">ref</span> <span class="ident">v</span>)) => { |
| <span class="ident">de::Deserializer::deserialize_any</span>(<span class="ident">SeqRefDeserializer::new</span>(<span class="ident">v</span>), <span class="ident">visitor</span>) |
| } |
| <span class="prelude-val">Some</span>(<span class="ident">other</span>) => <span class="prelude-val">Err</span>(<span class="ident">de::Error::invalid_type</span>( |
| <span class="ident">other</span>.<span class="ident">unexpected</span>(), |
| <span class="kw-2">&</span><span class="string">"struct variant"</span>, |
| )), |
| <span class="prelude-val">None</span> => <span class="prelude-val">Err</span>(<span class="ident">de::Error::invalid_type</span>( |
| <span class="ident">de::Unexpected::UnitVariant</span>, |
| <span class="kw-2">&</span><span class="string">"struct variant"</span>, |
| )), |
| } |
| } |
| } |
| |
| <span class="kw">struct</span> <span class="ident">SeqRefDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>: <span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="ident">iter</span>: <span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'a</span> [<span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>] <span class="kw">as</span> <span class="ident">IntoIterator</span><span class="op">></span><span class="ident">::IntoIter</span>, |
| <span class="ident">err</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>, |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">SeqRefDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">slice</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> [<span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>]) -> <span class="self">Self</span> { |
| <span class="ident">SeqRefDeserializer</span> { |
| <span class="ident">iter</span>: <span class="ident">slice</span>.<span class="ident">iter</span>(), |
| <span class="ident">err</span>: <span class="ident">PhantomData</span>, |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">de::Deserializer</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">SeqRefDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span>; |
| |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">fn</span> <span class="ident">deserialize_any</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">de::Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">let</span> <span class="ident">len</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">iter</span>.<span class="ident">len</span>(); |
| <span class="kw">if</span> <span class="ident">len</span> <span class="op">==</span> <span class="number">0</span> { |
| <span class="ident">visitor</span>.<span class="ident">visit_unit</span>() |
| } <span class="kw">else</span> { |
| <span class="kw">let</span> <span class="ident">ret</span> <span class="op">=</span> <span class="macro">try!</span>(<span class="ident">visitor</span>.<span class="ident">visit_seq</span>(<span class="kw-2">&mut</span> <span class="self">self</span>)); |
| <span class="kw">let</span> <span class="ident">remaining</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">iter</span>.<span class="ident">len</span>(); |
| <span class="kw">if</span> <span class="ident">remaining</span> <span class="op">==</span> <span class="number">0</span> { |
| <span class="prelude-val">Ok</span>(<span class="ident">ret</span>) |
| } <span class="kw">else</span> { |
| <span class="prelude-val">Err</span>(<span class="ident">de::Error::invalid_length</span>(<span class="ident">len</span>, <span class="kw-2">&</span><span class="string">"fewer elements in array"</span>)) |
| } |
| } |
| } |
| |
| <span class="macro">forward_to_deserialize_any!</span> { |
| <span class="ident">bool</span> <span class="ident">i8</span> <span class="ident">i16</span> <span class="ident">i32</span> <span class="ident">i64</span> <span class="ident">i128</span> <span class="ident">u8</span> <span class="ident">u16</span> <span class="ident">u32</span> <span class="ident">u64</span> <span class="ident">u128</span> <span class="ident">f32</span> <span class="ident">f64</span> <span class="ident">char</span> <span class="ident">str</span> <span class="ident">string</span> |
| <span class="ident">bytes</span> <span class="ident">byte_buf</span> <span class="ident">option</span> <span class="ident">unit</span> <span class="ident">unit_struct</span> <span class="ident">newtype_struct</span> <span class="ident">seq</span> <span class="ident">tuple</span> |
| <span class="ident">tuple_struct</span> <span class="ident">map</span> <span class="kw">struct</span> <span class="kw">enum</span> <span class="ident">identifier</span> <span class="ident">ignored_any</span> |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">de::SeqAccess</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">SeqRefDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span>; |
| |
| <span class="kw">fn</span> <span class="ident">next_element_seed</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="kw-2">&mut</span> <span class="self">self</span>, <span class="ident">seed</span>: <span class="ident">T</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">T::Value</span><span class="op">></span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">T</span>: <span class="ident">de::DeserializeSeed</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">iter</span>.<span class="ident">next</span>() { |
| <span class="prelude-val">Some</span>(<span class="ident">value</span>) => <span class="ident">seed</span> |
| .<span class="ident">deserialize</span>(<span class="ident">ContentRefDeserializer::new</span>(<span class="ident">value</span>)) |
| .<span class="ident">map</span>(<span class="prelude-val">Some</span>), |
| <span class="prelude-val">None</span> => <span class="prelude-val">Ok</span>(<span class="prelude-val">None</span>), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">size_hint</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> { |
| <span class="ident">size_hint::from_bounds</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">iter</span>) |
| } |
| } |
| |
| <span class="kw">struct</span> <span class="ident">MapRefDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>: <span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="ident">iter</span>: <span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'a</span> [(<span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>)] <span class="kw">as</span> <span class="ident">IntoIterator</span><span class="op">></span><span class="ident">::IntoIter</span>, |
| <span class="ident">value</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span><span class="op">></span>, |
| <span class="ident">err</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>, |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">MapRefDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">map</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> [(<span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>)]) -> <span class="self">Self</span> { |
| <span class="ident">MapRefDeserializer</span> { |
| <span class="ident">iter</span>: <span class="ident">map</span>.<span class="ident">iter</span>(), |
| <span class="ident">value</span>: <span class="prelude-val">None</span>, |
| <span class="ident">err</span>: <span class="ident">PhantomData</span>, |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">de::MapAccess</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">MapRefDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span>; |
| |
| <span class="kw">fn</span> <span class="ident">next_key_seed</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="kw-2">&mut</span> <span class="self">self</span>, <span class="ident">seed</span>: <span class="ident">T</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">T::Value</span><span class="op">></span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">T</span>: <span class="ident">de::DeserializeSeed</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">iter</span>.<span class="ident">next</span>() { |
| <span class="prelude-val">Some</span>(<span class="kw-2">&</span>(<span class="kw-2">ref</span> <span class="ident">key</span>, <span class="kw-2">ref</span> <span class="ident">value</span>)) => { |
| <span class="self">self</span>.<span class="ident">value</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">value</span>); |
| <span class="ident">seed</span>.<span class="ident">deserialize</span>(<span class="ident">ContentRefDeserializer::new</span>(<span class="ident">key</span>)).<span class="ident">map</span>(<span class="prelude-val">Some</span>) |
| } |
| <span class="prelude-val">None</span> => <span class="prelude-val">Ok</span>(<span class="prelude-val">None</span>), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">next_value_seed</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="kw-2">&mut</span> <span class="self">self</span>, <span class="ident">seed</span>: <span class="ident">T</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">T::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">T</span>: <span class="ident">de::DeserializeSeed</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">value</span>.<span class="ident">take</span>() { |
| <span class="prelude-val">Some</span>(<span class="ident">value</span>) => <span class="ident">seed</span>.<span class="ident">deserialize</span>(<span class="ident">ContentRefDeserializer::new</span>(<span class="ident">value</span>)), |
| <span class="prelude-val">None</span> => <span class="prelude-val">Err</span>(<span class="ident">de::Error::custom</span>(<span class="string">"value is missing"</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">size_hint</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> { |
| <span class="ident">size_hint::from_bounds</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">iter</span>) |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">de::Deserializer</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">MapRefDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span>; |
| |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">fn</span> <span class="ident">deserialize_any</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">de::Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="ident">visitor</span>.<span class="ident">visit_map</span>(<span class="self">self</span>) |
| } |
| |
| <span class="macro">forward_to_deserialize_any!</span> { |
| <span class="ident">bool</span> <span class="ident">i8</span> <span class="ident">i16</span> <span class="ident">i32</span> <span class="ident">i64</span> <span class="ident">i128</span> <span class="ident">u8</span> <span class="ident">u16</span> <span class="ident">u32</span> <span class="ident">u64</span> <span class="ident">u128</span> <span class="ident">f32</span> <span class="ident">f64</span> <span class="ident">char</span> <span class="ident">str</span> <span class="ident">string</span> |
| <span class="ident">bytes</span> <span class="ident">byte_buf</span> <span class="ident">option</span> <span class="ident">unit</span> <span class="ident">unit_struct</span> <span class="ident">newtype_struct</span> <span class="ident">seq</span> <span class="ident">tuple</span> |
| <span class="ident">tuple_struct</span> <span class="ident">map</span> <span class="kw">struct</span> <span class="kw">enum</span> <span class="ident">identifier</span> <span class="ident">ignored_any</span> |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">de::IntoDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="kw">for</span> <span class="ident">ContentDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Deserializer</span> <span class="op">=</span> <span class="self">Self</span>; |
| |
| <span class="kw">fn</span> <span class="ident">into_deserializer</span>(<span class="self">self</span>) -> <span class="self">Self</span> { |
| <span class="self">self</span> |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">de::IntoDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="kw">for</span> <span class="ident">ContentRefDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Deserializer</span> <span class="op">=</span> <span class="self">Self</span>; |
| |
| <span class="kw">fn</span> <span class="ident">into_deserializer</span>(<span class="self">self</span>) -> <span class="self">Self</span> { |
| <span class="self">self</span> |
| } |
| } |
| |
| <span class="doccomment">/// Visitor for deserializing an internally tagged unit variant.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// Not public API.</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">InternallyTaggedUnitVisitor</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> { |
| <span class="ident">type_name</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">str</span>, |
| <span class="ident">variant_name</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">str</span>, |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> <span class="ident">InternallyTaggedUnitVisitor</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> { |
| <span class="doccomment">/// Not public API.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">type_name</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">str</span>, <span class="ident">variant_name</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">str</span>) -> <span class="self">Self</span> { |
| <span class="ident">InternallyTaggedUnitVisitor</span> { |
| <span class="ident">type_name</span>: <span class="ident">type_name</span>, |
| <span class="ident">variant_name</span>: <span class="ident">variant_name</span>, |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="lifetime">'a</span><span class="op">></span> <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">InternallyTaggedUnitVisitor</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> { |
| <span class="kw">type</span> <span class="ident">Value</span> <span class="op">=</span> (); |
| |
| <span class="kw">fn</span> <span class="ident">expecting</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">formatter</span>: <span class="kw-2">&mut</span> <span class="ident">fmt::Formatter</span>) -> <span class="ident">fmt::Result</span> { |
| <span class="macro">write!</span>( |
| <span class="ident">formatter</span>, |
| <span class="string">"unit variant {}::{}"</span>, |
| <span class="self">self</span>.<span class="ident">type_name</span>, <span class="self">self</span>.<span class="ident">variant_name</span> |
| ) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_seq</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>(<span class="self">self</span>, <span class="kw">_</span>: <span class="ident">S</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span>(), <span class="ident">S::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">S</span>: <span class="ident">SeqAccess</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_map</span><span class="op"><</span><span class="ident">M</span><span class="op">></span>(<span class="self">self</span>, <span class="kw-2">mut</span> <span class="ident">access</span>: <span class="ident">M</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span>(), <span class="ident">M::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">M</span>: <span class="ident">MapAccess</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">while</span> <span class="macro">try!</span>(<span class="ident">access</span>.<span class="ident">next_entry</span>::<span class="op"><</span><span class="ident">IgnoredAny</span>, <span class="ident">IgnoredAny</span><span class="op">></span>()).<span class="ident">is_some</span>() {} |
| <span class="prelude-val">Ok</span>(()) |
| } |
| } |
| |
| <span class="doccomment">/// Visitor for deserializing an untagged unit variant.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// Not public API.</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">UntaggedUnitVisitor</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> { |
| <span class="ident">type_name</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">str</span>, |
| <span class="ident">variant_name</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">str</span>, |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> <span class="ident">UntaggedUnitVisitor</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> { |
| <span class="doccomment">/// Not public API.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">type_name</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">str</span>, <span class="ident">variant_name</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">str</span>) -> <span class="self">Self</span> { |
| <span class="ident">UntaggedUnitVisitor</span> { |
| <span class="ident">type_name</span>: <span class="ident">type_name</span>, |
| <span class="ident">variant_name</span>: <span class="ident">variant_name</span>, |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="lifetime">'a</span><span class="op">></span> <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">UntaggedUnitVisitor</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> { |
| <span class="kw">type</span> <span class="ident">Value</span> <span class="op">=</span> (); |
| |
| <span class="kw">fn</span> <span class="ident">expecting</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">formatter</span>: <span class="kw-2">&mut</span> <span class="ident">fmt::Formatter</span>) -> <span class="ident">fmt::Result</span> { |
| <span class="macro">write!</span>( |
| <span class="ident">formatter</span>, |
| <span class="string">"unit variant {}::{}"</span>, |
| <span class="self">self</span>.<span class="ident">type_name</span>, <span class="self">self</span>.<span class="ident">variant_name</span> |
| ) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_unit</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span>(), <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">visit_none</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span>(), <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">de::Error</span>, |
| { |
| <span class="prelude-val">Ok</span>(()) |
| } |
| } |
| } |
| |
| <span class="comment">////////////////////////////////////////////////////////////////////////////////</span> |
| |
| <span class="comment">// Like `IntoDeserializer` but also implemented for `&[u8]`. This is used for</span> |
| <span class="comment">// the newtype fallthrough case of `field_identifier`.</span> |
| <span class="comment">//</span> |
| <span class="comment">// #[derive(Deserialize)]</span> |
| <span class="comment">// #[serde(field_identifier)]</span> |
| <span class="comment">// enum F {</span> |
| <span class="comment">// A,</span> |
| <span class="comment">// B,</span> |
| <span class="comment">// Other(String), // deserialized using IdentifierDeserializer</span> |
| <span class="comment">// }</span> |
| <span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">IdentifierDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span>: <span class="ident">Error</span><span class="op">></span> { |
| <span class="kw">type</span> <span class="ident">Deserializer</span>: <span class="ident">Deserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span><span class="op">></span>; |
| |
| <span class="kw">fn</span> <span class="ident">from</span>(<span class="self">self</span>) -> <span class="ident"><span class="self">Self</span>::Deserializer</span>; |
| } |
| |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Borrowed</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">T</span>: <span class="lifetime">'de</span> <span class="op">+</span> <span class="question-mark">?</span><span class="ident">Sized</span><span class="op">></span>(<span class="kw">pub</span> <span class="kw-2">&</span><span class="lifetime">'de</span> <span class="ident">T</span>); |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">IdentifierDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="kw">for</span> <span class="ident">u64</span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Deserializer</span> <span class="op">=</span> <span class="op"><</span><span class="ident">u64</span> <span class="kw">as</span> <span class="ident">IntoDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span><span class="op">></span><span class="ident">::Deserializer</span>; |
| |
| <span class="kw">fn</span> <span class="ident">from</span>(<span class="self">self</span>) -> <span class="ident"><span class="self">Self</span>::Deserializer</span> { |
| <span class="self">self</span>.<span class="ident">into_deserializer</span>() |
| } |
| } |
| |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">StrDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span> { |
| <span class="ident">value</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">str</span>, |
| <span class="ident">marker</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>, |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">Deserializer</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">StrDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span>; |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_any</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="ident">visitor</span>.<span class="ident">visit_str</span>(<span class="self">self</span>.<span class="ident">value</span>) |
| } |
| |
| <span class="macro">forward_to_deserialize_any!</span> { |
| <span class="ident">bool</span> <span class="ident">i8</span> <span class="ident">i16</span> <span class="ident">i32</span> <span class="ident">i64</span> <span class="ident">i128</span> <span class="ident">u8</span> <span class="ident">u16</span> <span class="ident">u32</span> <span class="ident">u64</span> <span class="ident">u128</span> <span class="ident">f32</span> <span class="ident">f64</span> <span class="ident">char</span> <span class="ident">str</span> <span class="ident">string</span> |
| <span class="ident">bytes</span> <span class="ident">byte_buf</span> <span class="ident">option</span> <span class="ident">unit</span> <span class="ident">unit_struct</span> <span class="ident">newtype_struct</span> <span class="ident">seq</span> <span class="ident">tuple</span> |
| <span class="ident">tuple_struct</span> <span class="ident">map</span> <span class="kw">struct</span> <span class="kw">enum</span> <span class="ident">identifier</span> <span class="ident">ignored_any</span> |
| } |
| } |
| |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">BorrowedStrDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> { |
| <span class="ident">value</span>: <span class="kw-2">&</span><span class="lifetime">'de</span> <span class="ident">str</span>, |
| <span class="ident">marker</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>, |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">Deserializer</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">BorrowedStrDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span>; |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_any</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="ident">visitor</span>.<span class="ident">visit_borrowed_str</span>(<span class="self">self</span>.<span class="ident">value</span>) |
| } |
| |
| <span class="macro">forward_to_deserialize_any!</span> { |
| <span class="ident">bool</span> <span class="ident">i8</span> <span class="ident">i16</span> <span class="ident">i32</span> <span class="ident">i64</span> <span class="ident">i128</span> <span class="ident">u8</span> <span class="ident">u16</span> <span class="ident">u32</span> <span class="ident">u64</span> <span class="ident">u128</span> <span class="ident">f32</span> <span class="ident">f64</span> <span class="ident">char</span> <span class="ident">str</span> <span class="ident">string</span> |
| <span class="ident">bytes</span> <span class="ident">byte_buf</span> <span class="ident">option</span> <span class="ident">unit</span> <span class="ident">unit_struct</span> <span class="ident">newtype_struct</span> <span class="ident">seq</span> <span class="ident">tuple</span> |
| <span class="ident">tuple_struct</span> <span class="ident">map</span> <span class="kw">struct</span> <span class="kw">enum</span> <span class="ident">identifier</span> <span class="ident">ignored_any</span> |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">IdentifierDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span> <span class="kw">for</span> <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">str</span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Deserializer</span> <span class="op">=</span> <span class="ident">StrDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span>; |
| |
| <span class="kw">fn</span> <span class="ident">from</span>(<span class="self">self</span>) -> <span class="ident"><span class="self">Self</span>::Deserializer</span> { |
| <span class="ident">StrDeserializer</span> { |
| <span class="ident">value</span>: <span class="self">self</span>, |
| <span class="ident">marker</span>: <span class="ident">PhantomData</span>, |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">IdentifierDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="kw">for</span> <span class="ident">Borrowed</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">str</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Deserializer</span> <span class="op">=</span> <span class="ident">BorrowedStrDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span>; |
| |
| <span class="kw">fn</span> <span class="ident">from</span>(<span class="self">self</span>) -> <span class="ident"><span class="self">Self</span>::Deserializer</span> { |
| <span class="ident">BorrowedStrDeserializer</span> { |
| <span class="ident">value</span>: <span class="self">self</span>.<span class="number">0</span>, |
| <span class="ident">marker</span>: <span class="ident">PhantomData</span>, |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">IdentifierDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span> <span class="kw">for</span> <span class="kw-2">&</span><span class="lifetime">'a</span> [<span class="ident">u8</span>] |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Deserializer</span> <span class="op">=</span> <span class="ident">BytesDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span>; |
| |
| <span class="kw">fn</span> <span class="ident">from</span>(<span class="self">self</span>) -> <span class="ident"><span class="self">Self</span>::Deserializer</span> { |
| <span class="ident">BytesDeserializer::new</span>(<span class="self">self</span>) |
| } |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">IdentifierDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="kw">for</span> <span class="ident">Borrowed</span><span class="op"><</span><span class="lifetime">'de</span>, [<span class="ident">u8</span>]<span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Deserializer</span> <span class="op">=</span> <span class="ident">BorrowedBytesDeserializer</span><span class="op"><</span><span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span>; |
| |
| <span class="kw">fn</span> <span class="ident">from</span>(<span class="self">self</span>) -> <span class="ident"><span class="self">Self</span>::Deserializer</span> { |
| <span class="ident">BorrowedBytesDeserializer::new</span>(<span class="self">self</span>.<span class="number">0</span>) |
| } |
| } |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>))]</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">FlatMapDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>: <span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span>( |
| <span class="kw">pub</span> <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="kw-2">mut</span> <span class="ident">Vec</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span>(<span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>)<span class="op">></span><span class="op">></span>, |
| <span class="kw">pub</span> <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>, |
| ); |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>))]</span> |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">FlatMapDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="kw">fn</span> <span class="ident">deserialize_other</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>() -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V</span>, <span class="ident">E</span><span class="op">></span> { |
| <span class="prelude-val">Err</span>(<span class="ident">Error::custom</span>(<span class="string">"can only flatten structs and maps"</span>)) |
| } |
| } |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>))]</span> |
| <span class="macro">macro_rules!</span> <span class="ident">forward_to_deserialize_other</span> { |
| ($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">func</span>:<span class="ident">ident</span> ( $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">arg</span>:<span class="ident">ty</span>),<span class="op">*</span> ))<span class="kw-2">*</span>) => { |
| $( |
| <span class="kw">fn</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">func</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, $(<span class="kw">_</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">arg</span>,)<span class="op">*</span> <span class="ident">_visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="ident"><span class="self">Self</span>::deserialize_other</span>() |
| } |
| )<span class="op">*</span> |
| } |
| } |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>))]</span> |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">Deserializer</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">FlatMapDeserializer</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span>; |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_any</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="ident">visitor</span>.<span class="ident">visit_map</span>(<span class="ident">FlatInternallyTaggedAccess</span> { |
| <span class="ident">iter</span>: <span class="self">self</span>.<span class="number">0</span>.<span class="ident">iter_mut</span>(), |
| <span class="ident">pending</span>: <span class="prelude-val">None</span>, |
| <span class="ident">_marker</span>: <span class="ident">PhantomData</span>, |
| }) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_enum</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>( |
| <span class="self">self</span>, |
| <span class="ident">name</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>, |
| <span class="ident">variants</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> [<span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>], |
| <span class="ident">visitor</span>: <span class="ident">V</span>, |
| ) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">for</span> <span class="ident">item</span> <span class="kw">in</span> <span class="self">self</span>.<span class="number">0</span>.<span class="ident">iter_mut</span>() { |
| <span class="comment">// items in the vector are nulled out when used. So we can only use</span> |
| <span class="comment">// an item if it's still filled in and if the field is one we care</span> |
| <span class="comment">// about.</span> |
| <span class="kw">let</span> <span class="ident">use_item</span> <span class="op">=</span> <span class="kw">match</span> <span class="kw-2">*</span><span class="ident">item</span> { |
| <span class="prelude-val">None</span> => <span class="bool-val">false</span>, |
| <span class="prelude-val">Some</span>((<span class="kw-2">ref</span> <span class="ident">c</span>, <span class="kw">_</span>)) => <span class="ident">c</span>.<span class="ident">as_str</span>().<span class="ident">map_or</span>(<span class="bool-val">false</span>, <span class="op">|</span><span class="ident">x</span><span class="op">|</span> <span class="ident">variants</span>.<span class="ident">contains</span>(<span class="kw-2">&</span><span class="ident">x</span>)), |
| }; |
| |
| <span class="kw">if</span> <span class="ident">use_item</span> { |
| <span class="kw">let</span> (<span class="ident">key</span>, <span class="ident">value</span>) <span class="op">=</span> <span class="ident">item</span>.<span class="ident">take</span>().<span class="ident">unwrap</span>(); |
| <span class="kw">return</span> <span class="ident">visitor</span>.<span class="ident">visit_enum</span>(<span class="ident">EnumDeserializer::new</span>(<span class="ident">key</span>, <span class="prelude-val">Some</span>(<span class="ident">value</span>))); |
| } |
| } |
| |
| <span class="prelude-val">Err</span>(<span class="ident">Error::custom</span>(<span class="macro">format_args!</span>( |
| <span class="string">"no variant of enum {} found in flattened data"</span>, |
| <span class="ident">name</span> |
| ))) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_map</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="ident">visitor</span>.<span class="ident">visit_map</span>(<span class="ident">FlatMapAccess::new</span>(<span class="self">self</span>.<span class="number">0</span>.<span class="ident">iter</span>())) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_struct</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>( |
| <span class="self">self</span>, |
| <span class="kw">_</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>, |
| <span class="ident">fields</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> [<span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>], |
| <span class="ident">visitor</span>: <span class="ident">V</span>, |
| ) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="ident">visitor</span>.<span class="ident">visit_map</span>(<span class="ident">FlatStructAccess::new</span>(<span class="self">self</span>.<span class="number">0</span>.<span class="ident">iter_mut</span>(), <span class="ident">fields</span>)) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_newtype_struct</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">_name</span>: <span class="kw-2">&</span><span class="ident">str</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="ident">visitor</span>.<span class="ident">visit_newtype_struct</span>(<span class="self">self</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_option</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="ident">visitor</span>.<span class="ident">__private_visit_untagged_option</span>(<span class="self">self</span>) { |
| <span class="prelude-val">Ok</span>(<span class="ident">value</span>) => <span class="prelude-val">Ok</span>(<span class="ident">value</span>), |
| <span class="prelude-val">Err</span>(()) => <span class="ident"><span class="self">Self</span>::deserialize_other</span>(), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">deserialize_unit</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">visitor</span>: <span class="ident">V</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">V::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">V</span>: <span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="ident">visitor</span>.<span class="ident">visit_unit</span>() |
| } |
| |
| <span class="macro">forward_to_deserialize_other!</span> { |
| <span class="ident">deserialize_bool</span>() |
| <span class="ident">deserialize_i8</span>() |
| <span class="ident">deserialize_i16</span>() |
| <span class="ident">deserialize_i32</span>() |
| <span class="ident">deserialize_i64</span>() |
| <span class="ident">deserialize_u8</span>() |
| <span class="ident">deserialize_u16</span>() |
| <span class="ident">deserialize_u32</span>() |
| <span class="ident">deserialize_u64</span>() |
| <span class="ident">deserialize_f32</span>() |
| <span class="ident">deserialize_f64</span>() |
| <span class="ident">deserialize_char</span>() |
| <span class="ident">deserialize_str</span>() |
| <span class="ident">deserialize_string</span>() |
| <span class="ident">deserialize_bytes</span>() |
| <span class="ident">deserialize_byte_buf</span>() |
| <span class="ident">deserialize_unit_struct</span>(<span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>) |
| <span class="ident">deserialize_seq</span>() |
| <span class="ident">deserialize_tuple</span>(<span class="ident">usize</span>) |
| <span class="ident">deserialize_tuple_struct</span>(<span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>, <span class="ident">usize</span>) |
| <span class="ident">deserialize_identifier</span>() |
| <span class="ident">deserialize_ignored_any</span>() |
| } |
| } |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>))]</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">FlatMapAccess</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>: <span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span> { |
| <span class="ident">iter</span>: <span class="ident">slice::Iter</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="prelude-ty">Option</span><span class="op"><</span>(<span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>)<span class="op">></span><span class="op">></span>, |
| <span class="ident">pending_content</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span><span class="op">></span>, |
| <span class="ident">_marker</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>, |
| } |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>))]</span> |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">FlatMapAccess</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> { |
| <span class="kw">fn</span> <span class="ident">new</span>( |
| <span class="ident">iter</span>: <span class="ident">slice::Iter</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="prelude-ty">Option</span><span class="op"><</span>(<span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>)<span class="op">></span><span class="op">></span>, |
| ) -> <span class="ident">FlatMapAccess</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> { |
| <span class="ident">FlatMapAccess</span> { |
| <span class="ident">iter</span>: <span class="ident">iter</span>, |
| <span class="ident">pending_content</span>: <span class="prelude-val">None</span>, |
| <span class="ident">_marker</span>: <span class="ident">PhantomData</span>, |
| } |
| } |
| } |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>))]</span> |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">MapAccess</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">FlatMapAccess</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span>; |
| |
| <span class="kw">fn</span> <span class="ident">next_key_seed</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="kw-2">&mut</span> <span class="self">self</span>, <span class="ident">seed</span>: <span class="ident">T</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">T::Value</span><span class="op">></span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">T</span>: <span class="ident">DeserializeSeed</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">for</span> <span class="ident">item</span> <span class="kw">in</span> <span class="kw-2">&mut</span> <span class="self">self</span>.<span class="ident">iter</span> { |
| <span class="comment">// Items in the vector are nulled out when used by a struct.</span> |
| <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>((<span class="kw-2">ref</span> <span class="ident">key</span>, <span class="kw-2">ref</span> <span class="ident">content</span>)) <span class="op">=</span> <span class="kw-2">*</span><span class="ident">item</span> { |
| <span class="self">self</span>.<span class="ident">pending_content</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">content</span>); |
| <span class="kw">return</span> <span class="ident">seed</span>.<span class="ident">deserialize</span>(<span class="ident">ContentRefDeserializer::new</span>(<span class="ident">key</span>)).<span class="ident">map</span>(<span class="prelude-val">Some</span>); |
| } |
| } |
| <span class="prelude-val">Ok</span>(<span class="prelude-val">None</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">next_value_seed</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="kw-2">&mut</span> <span class="self">self</span>, <span class="ident">seed</span>: <span class="ident">T</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">T::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">T</span>: <span class="ident">DeserializeSeed</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">pending_content</span>.<span class="ident">take</span>() { |
| <span class="prelude-val">Some</span>(<span class="ident">value</span>) => <span class="ident">seed</span>.<span class="ident">deserialize</span>(<span class="ident">ContentRefDeserializer::new</span>(<span class="ident">value</span>)), |
| <span class="prelude-val">None</span> => <span class="prelude-val">Err</span>(<span class="ident">Error::custom</span>(<span class="string">"value is missing"</span>)), |
| } |
| } |
| } |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>))]</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">FlatStructAccess</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>: <span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span> { |
| <span class="ident">iter</span>: <span class="ident">slice::IterMut</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="prelude-ty">Option</span><span class="op"><</span>(<span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>)<span class="op">></span><span class="op">></span>, |
| <span class="ident">pending_content</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span><span class="op">></span>, |
| <span class="ident">fields</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> [<span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>], |
| <span class="ident">_marker</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>, |
| } |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>))]</span> |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">FlatStructAccess</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> { |
| <span class="kw">fn</span> <span class="ident">new</span>( |
| <span class="ident">iter</span>: <span class="ident">slice::IterMut</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="prelude-ty">Option</span><span class="op"><</span>(<span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>)<span class="op">></span><span class="op">></span>, |
| <span class="ident">fields</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> [<span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>], |
| ) -> <span class="ident">FlatStructAccess</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> { |
| <span class="ident">FlatStructAccess</span> { |
| <span class="ident">iter</span>: <span class="ident">iter</span>, |
| <span class="ident">pending_content</span>: <span class="prelude-val">None</span>, |
| <span class="ident">fields</span>: <span class="ident">fields</span>, |
| <span class="ident">_marker</span>: <span class="ident">PhantomData</span>, |
| } |
| } |
| } |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>))]</span> |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">MapAccess</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">FlatStructAccess</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span>; |
| |
| <span class="kw">fn</span> <span class="ident">next_key_seed</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="kw-2">&mut</span> <span class="self">self</span>, <span class="ident">seed</span>: <span class="ident">T</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">T::Value</span><span class="op">></span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">T</span>: <span class="ident">DeserializeSeed</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">while</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">item</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">iter</span>.<span class="ident">next</span>() { |
| <span class="comment">// items in the vector are nulled out when used. So we can only use</span> |
| <span class="comment">// an item if it's still filled in and if the field is one we care</span> |
| <span class="comment">// about. In case we do not know which fields we want, we take them all.</span> |
| <span class="kw">let</span> <span class="ident">use_item</span> <span class="op">=</span> <span class="kw">match</span> <span class="kw-2">*</span><span class="ident">item</span> { |
| <span class="prelude-val">None</span> => <span class="bool-val">false</span>, |
| <span class="prelude-val">Some</span>((<span class="kw-2">ref</span> <span class="ident">c</span>, <span class="kw">_</span>)) => <span class="ident">c</span>.<span class="ident">as_str</span>().<span class="ident">map_or</span>(<span class="bool-val">false</span>, <span class="op">|</span><span class="ident">key</span><span class="op">|</span> <span class="self">self</span>.<span class="ident">fields</span>.<span class="ident">contains</span>(<span class="kw-2">&</span><span class="ident">key</span>)), |
| }; |
| |
| <span class="kw">if</span> <span class="ident">use_item</span> { |
| <span class="kw">let</span> (<span class="ident">key</span>, <span class="ident">content</span>) <span class="op">=</span> <span class="ident">item</span>.<span class="ident">take</span>().<span class="ident">unwrap</span>(); |
| <span class="self">self</span>.<span class="ident">pending_content</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">content</span>); |
| <span class="kw">return</span> <span class="ident">seed</span>.<span class="ident">deserialize</span>(<span class="ident">ContentDeserializer::new</span>(<span class="ident">key</span>)).<span class="ident">map</span>(<span class="prelude-val">Some</span>); |
| } |
| } |
| <span class="prelude-val">Ok</span>(<span class="prelude-val">None</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">next_value_seed</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="kw-2">&mut</span> <span class="self">self</span>, <span class="ident">seed</span>: <span class="ident">T</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">T::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">T</span>: <span class="ident">DeserializeSeed</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">pending_content</span>.<span class="ident">take</span>() { |
| <span class="prelude-val">Some</span>(<span class="ident">value</span>) => <span class="ident">seed</span>.<span class="ident">deserialize</span>(<span class="ident">ContentDeserializer::new</span>(<span class="ident">value</span>)), |
| <span class="prelude-val">None</span> => <span class="prelude-val">Err</span>(<span class="ident">Error::custom</span>(<span class="string">"value is missing"</span>)), |
| } |
| } |
| } |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>))]</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">FlatInternallyTaggedAccess</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>: <span class="lifetime">'a</span>, <span class="ident">E</span><span class="op">></span> { |
| <span class="ident">iter</span>: <span class="ident">slice::IterMut</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="prelude-ty">Option</span><span class="op"><</span>(<span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>)<span class="op">></span><span class="op">></span>, |
| <span class="ident">pending</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">Content</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span><span class="op">></span>, |
| <span class="ident">_marker</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>, |
| } |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>))]</span> |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">MapAccess</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">FlatInternallyTaggedAccess</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="lifetime">'de</span>, <span class="ident">E</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">E</span>: <span class="ident">Error</span>, |
| { |
| <span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span>; |
| |
| <span class="kw">fn</span> <span class="ident">next_key_seed</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="kw-2">&mut</span> <span class="self">self</span>, <span class="ident">seed</span>: <span class="ident">T</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">T::Value</span><span class="op">></span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">T</span>: <span class="ident">DeserializeSeed</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">for</span> <span class="ident">item</span> <span class="kw">in</span> <span class="kw-2">&mut</span> <span class="self">self</span>.<span class="ident">iter</span> { |
| <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>((<span class="kw-2">ref</span> <span class="ident">key</span>, <span class="kw-2">ref</span> <span class="ident">content</span>)) <span class="op">=</span> <span class="kw-2">*</span><span class="ident">item</span> { |
| <span class="comment">// Do not take(), instead borrow this entry. The internally tagged</span> |
| <span class="comment">// enum does its own buffering so we can't tell whether this entry</span> |
| <span class="comment">// is going to be consumed. Borrowing here leaves the entry</span> |
| <span class="comment">// available for later flattened fields.</span> |
| <span class="self">self</span>.<span class="ident">pending</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">content</span>); |
| <span class="kw">return</span> <span class="ident">seed</span>.<span class="ident">deserialize</span>(<span class="ident">ContentRefDeserializer::new</span>(<span class="ident">key</span>)).<span class="ident">map</span>(<span class="prelude-val">Some</span>); |
| } |
| } |
| <span class="prelude-val">Ok</span>(<span class="prelude-val">None</span>) |
| } |
| |
| <span class="kw">fn</span> <span class="ident">next_value_seed</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="kw-2">&mut</span> <span class="self">self</span>, <span class="ident">seed</span>: <span class="ident">T</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">T::Value</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> |
| <span class="kw">where</span> |
| <span class="ident">T</span>: <span class="ident">DeserializeSeed</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>, |
| { |
| <span class="kw">match</span> <span class="self">self</span>.<span class="ident">pending</span>.<span class="ident">take</span>() { |
| <span class="prelude-val">Some</span>(<span class="ident">value</span>) => <span class="ident">seed</span>.<span class="ident">deserialize</span>(<span class="ident">ContentRefDeserializer::new</span>(<span class="ident">value</span>)), |
| <span class="prelude-val">None</span> => <span class="macro">panic!</span>(<span class="string">"value is missing"</span>), |
| } |
| } |
| } |
| </code></pre></div> |
| </section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="serde" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (1bd4fdc94 2022-01-12)" ></div> |
| </body></html> |
