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| <section id='main' class="content"><pre class="line-numbers"><span id="1"> 1</span> |
| <span id="2"> 2</span> |
| <span id="3"> 3</span> |
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| </pre><pre class="rust "> |
| <span class="doccomment">//! Contains error type for handling I/O and Errno errors</span> |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">windows</span>)]</span> |
| <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">char</span>; |
| <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>; |
| <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">error</span>; |
| <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fmt</span>; |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">unix</span>)]</span> |
| <span class="kw">use</span> <span class="ident">nix</span>; |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">unix</span>)]</span> |
| <span class="kw">use</span> <span class="ident">char_iter</span>; |
| |
| <span class="doccomment">/// The error type for Rustyline errors that can arise from</span> |
| <span class="doccomment">/// I/O related errors or Errno when using the nix-rust library</span> |
| <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>)]</span> |
| <span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">ReadlineError</span> { |
| <span class="doccomment">/// I/O Error</span> |
| <span class="ident">Io</span>(<span class="ident">io</span>::<span class="ident">Error</span>), |
| <span class="doccomment">/// EOF (Ctrl-D)</span> |
| <span class="ident">Eof</span>, |
| <span class="doccomment">/// Ctrl-C</span> |
| <span class="ident">Interrupted</span>, |
| <span class="doccomment">/// Chars Error</span> |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">unix</span>)]</span> |
| <span class="ident">Char</span>(<span class="ident">char_iter</span>::<span class="ident">CharsError</span>), |
| <span class="doccomment">/// Unix Error from syscall</span> |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">unix</span>)]</span> |
| <span class="ident">Errno</span>(<span class="ident">nix</span>::<span class="ident">Error</span>), |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">windows</span>)]</span> |
| <span class="ident">WindowResize</span>, |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">windows</span>)]</span> |
| <span class="ident">Decode</span>(<span class="ident">char</span>::<span class="ident">DecodeUtf16Error</span>), |
| } |
| |
| <span class="kw">impl</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="kw">for</span> <span class="ident">ReadlineError</span> { |
| <span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-></span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> { |
| <span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span> { |
| <span class="ident">ReadlineError</span>::<span class="ident">Io</span>(<span class="kw-2">ref</span> <span class="ident">err</span>) <span class="op">=></span> <span class="ident">err</span>.<span class="ident">fmt</span>(<span class="ident">f</span>), |
| <span class="ident">ReadlineError</span>::<span class="ident">Eof</span> <span class="op">=></span> <span class="macro">write</span><span class="macro">!</span>(<span class="ident">f</span>, <span class="string">"EOF"</span>), |
| <span class="ident">ReadlineError</span>::<span class="ident">Interrupted</span> <span class="op">=></span> <span class="macro">write</span><span class="macro">!</span>(<span class="ident">f</span>, <span class="string">"Interrupted"</span>), |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">unix</span>)]</span> |
| <span class="ident">ReadlineError</span>::<span class="ident">Char</span>(<span class="kw-2">ref</span> <span class="ident">err</span>) <span class="op">=></span> <span class="ident">err</span>.<span class="ident">fmt</span>(<span class="ident">f</span>), |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">unix</span>)]</span> |
| <span class="ident">ReadlineError</span>::<span class="ident">Errno</span>(<span class="kw-2">ref</span> <span class="ident">err</span>) <span class="op">=></span> <span class="macro">write</span><span class="macro">!</span>(<span class="ident">f</span>, <span class="string">"Errno: {}"</span>, <span class="ident">err</span>.<span class="ident">errno</span>().<span class="ident">desc</span>()), |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">windows</span>)]</span> |
| <span class="ident">ReadlineError</span>::<span class="ident">WindowResize</span> <span class="op">=></span> <span class="macro">write</span><span class="macro">!</span>(<span class="ident">f</span>, <span class="string">"WindowResize"</span>), |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">windows</span>)]</span> |
| <span class="ident">ReadlineError</span>::<span class="ident">Decode</span>(<span class="kw-2">ref</span> <span class="ident">err</span>) <span class="op">=></span> <span class="ident">err</span>.<span class="ident">fmt</span>(<span class="ident">f</span>), |
| } |
| } |
| } |
| |
| <span class="kw">impl</span> <span class="ident">error</span>::<span class="ident">Error</span> <span class="kw">for</span> <span class="ident">ReadlineError</span> { |
| <span class="kw">fn</span> <span class="ident">description</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">str</span> { |
| <span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span> { |
| <span class="ident">ReadlineError</span>::<span class="ident">Io</span>(<span class="kw-2">ref</span> <span class="ident">err</span>) <span class="op">=></span> <span class="ident">err</span>.<span class="ident">description</span>(), |
| <span class="ident">ReadlineError</span>::<span class="ident">Eof</span> <span class="op">=></span> <span class="string">"EOF"</span>, |
| <span class="ident">ReadlineError</span>::<span class="ident">Interrupted</span> <span class="op">=></span> <span class="string">"Interrupted"</span>, |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">unix</span>)]</span> |
| <span class="ident">ReadlineError</span>::<span class="ident">Char</span>(<span class="kw-2">ref</span> <span class="ident">err</span>) <span class="op">=></span> <span class="ident">err</span>.<span class="ident">description</span>(), |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">unix</span>)]</span> |
| <span class="ident">ReadlineError</span>::<span class="ident">Errno</span>(<span class="kw-2">ref</span> <span class="ident">err</span>) <span class="op">=></span> <span class="ident">err</span>.<span class="ident">errno</span>().<span class="ident">desc</span>(), |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">windows</span>)]</span> |
| <span class="ident">ReadlineError</span>::<span class="ident">WindowResize</span> <span class="op">=></span> <span class="string">"WindowResize"</span>, |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">windows</span>)]</span> |
| <span class="ident">ReadlineError</span>::<span class="ident">Decode</span>(<span class="kw-2">ref</span> <span class="ident">err</span>) <span class="op">=></span> <span class="ident">err</span>.<span class="ident">description</span>(), |
| } |
| } |
| } |
| |
| <span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">io</span>::<span class="ident">Error</span><span class="op">></span> <span class="kw">for</span> <span class="ident">ReadlineError</span> { |
| <span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">err</span>: <span class="ident">io</span>::<span class="ident">Error</span>) <span class="op">-></span> <span class="ident">ReadlineError</span> { |
| <span class="ident">ReadlineError</span>::<span class="ident">Io</span>(<span class="ident">err</span>) |
| } |
| } |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">unix</span>)]</span> |
| <span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">nix</span>::<span class="ident">Error</span><span class="op">></span> <span class="kw">for</span> <span class="ident">ReadlineError</span> { |
| <span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">err</span>: <span class="ident">nix</span>::<span class="ident">Error</span>) <span class="op">-></span> <span class="ident">ReadlineError</span> { |
| <span class="ident">ReadlineError</span>::<span class="ident">Errno</span>(<span class="ident">err</span>) |
| } |
| } |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">unix</span>)]</span> |
| <span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">char_iter</span>::<span class="ident">CharsError</span><span class="op">></span> <span class="kw">for</span> <span class="ident">ReadlineError</span> { |
| <span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">err</span>: <span class="ident">char_iter</span>::<span class="ident">CharsError</span>) <span class="op">-></span> <span class="ident">ReadlineError</span> { |
| <span class="ident">ReadlineError</span>::<span class="ident">Char</span>(<span class="ident">err</span>) |
| } |
| } |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">windows</span>)]</span> |
| <span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">char</span>::<span class="ident">DecodeUtf16Error</span><span class="op">></span> <span class="kw">for</span> <span class="ident">ReadlineError</span> { |
| <span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">err</span>: <span class="ident">char</span>::<span class="ident">DecodeUtf16Error</span>) <span class="op">-></span> <span class="ident">ReadlineError</span> { |
| <span class="ident">ReadlineError</span>::<span class="ident">Decode</span>(<span class="ident">err</span>) |
| } |
| } |
| </pre> |
| </section> |
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