basic_json::parse_error

class parse_error : public exception;

This exception is thrown by the library when a parse error occurs. Parse errors can occur during the deserialization of JSON text, BSON, CBOR, MessagePack, UBJSON, as well as when using JSON Patch.

Exceptions have ids 1xx.

std::exception <|-- basic_json::exception
basic_json::exception <|-- basic_json::parse_error
basic_json::exception <|-- basic_json::invalid_iterator
basic_json::exception <|-- basic_json::type_error
basic_json::exception <|-- basic_json::out_of_range
basic_json::exception <|-- basic_json::other_error

interface std::exception {}

class basic_json::exception {
    + const int id
    + const char* what() const
}

class basic_json::parse_error #FFFF00 {
    + const std::size_t byte
}

Member functions

• what - returns explanatory string

Member variables

• id - the id of the exception
• byte - byte index of the parse error

Note

For an input with n bytes, 1 is the index of the first character and n+1 is the index of the terminating null byte or the end of file. This also holds true when reading a byte vector for binary formats.

Example

??? example

The following code shows how a `parse_error` exception can be caught.

```cpp
--8<-- "examples/parse_error.cpp"
```

Output:

```json
--8<-- "examples/parse_error.output"
```

Version history

• Since version 3.0.0.