parse_error.md

jsoncons::parse_error

Header

#include <jsoncons/parse_error_handler.hpp>

Base class

std::exception

Constructors

parse_error(std::error_code ec,
                size_t line,
                size_t column)

parse_error(const parse_error& other)

Member functions

const std::error_code code() const

Returns a message for this exception

size_t line_number() const

Returns the line number to the end of the text where the exception occurred. Line numbers start at 1.

size_t column_number() const

Returns the column number to the end of the text where the exception occurred. Column numbers start at 1.

const char* what() const

Constructs an error message, including line and column position

Example

#include <jsoncons/json.hpp>

using jsoncons::json;

int main()
{
    string s = "[1,2,3,4,]";
    try 
    {
        jsoncons::json val = jsoncons::json::parse(s);
    } 
    catch(const jsoncons::parse_error& e) 
    {
        std::cout << "Caught parse_error with category " 
                  << e.code().category().name() 
                          << ", code " << e.code().value() 
                  << " and message " << e.what() << std::endl;
    }
}

Output:

Caught parse_error with category json_input, code 1 and message Unexpected value separator ',' at line 1 and column 10