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/// Copyright 2013 Daniel Parker
// Distributed under the Boost license, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See https://github.com/danielaparker/jsoncons for latest version
#ifndef JSONCONS_JSONPATH_JSONPATH_ERROR_CATEGORY_HPP
#define JSONCONS_JSONPATH_JSONPATH_ERROR_CATEGORY_HPP
#include "jsoncons/jsoncons.hpp"
#include <system_error>
namespace jsoncons { namespace jsonpath {
namespace jsonpath_parser_errc
{
const int expected_root = 1;
const int expected_right_bracket = 2;
const int expected_name = 3;
const int expected_separator = 4;
const int invalid_filter = 5;
const int invalid_filter_expected_slash = 6;
const int invalid_filter_unbalanced_paren = 7;
const int invalid_filter_unsupported_operator = 8;
const int invalid_filter_expected_right_brace = 9;
const int invalid_filter_expected_primary = 10;
}
class jsonpath_error_category_impl
: public std::error_category
{
public:
virtual const char* name() const JSONCONS_NOEXCEPT
{
return "jsonpath";
}
virtual std::string message(int ev) const
{
switch (ev)
{
case jsonpath_parser_errc::expected_root:
return "Expected $";
case jsonpath_parser_errc::expected_right_bracket:
return "Expected ]";
case jsonpath_parser_errc::expected_name:
return "Expected a name following a dot";
case jsonpath_parser_errc::expected_separator:
return "Expected dot or left bracket separator";
case jsonpath_parser_errc::invalid_filter:
return "Invalid path filter";
case jsonpath_parser_errc::invalid_filter_expected_slash:
return "Invalid path filter, expected '/'";
case jsonpath_parser_errc::invalid_filter_unbalanced_paren:
return "Invalid path filter, unbalanced parenthesis";
case jsonpath_parser_errc::invalid_filter_unsupported_operator:
return "Unsupported operator";
case jsonpath_parser_errc::invalid_filter_expected_right_brace:
return "Invalid path filter, expected right brace }";
case jsonpath_parser_errc::invalid_filter_expected_primary:
return "Invalid path filter, expected primary expression.";
default:
return "Unknown jsonpath parser error";
}
}
};
inline
const std::error_category& jsonpath_error_category()
{
static jsonpath_error_category_impl instance;
return instance;
}
}}
#endif
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