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- //
- // Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
- //
- // Distributed under the Boost Software License, Version 1.0. (See accompanying
- // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- //
- // Official repository: https://github.com/boostorg/json
- //
- #ifndef BOOST_JSON_IMPL_ERROR_IPP
- #define BOOST_JSON_IMPL_ERROR_IPP
- #include <boost/json/error.hpp>
- namespace boost {
- namespace json {
- error_code
- make_error_code(error e)
- {
- struct codes : error_category
- {
- const char*
- name() const noexcept override
- {
- return "boost.json";
- }
- char const* message( int ev, char*, std::size_t ) const noexcept
- override
- {
- switch(static_cast<error>(ev))
- {
- default:
- case error::syntax: return "syntax error";
- case error::extra_data: return "extra data";
- case error::incomplete: return "incomplete JSON";
- case error::exponent_overflow: return "exponent overflow";
- case error::too_deep: return "too deep";
- case error::illegal_leading_surrogate: return "illegal leading surrogate";
- case error::illegal_trailing_surrogate: return "illegal trailing surrogate";
- case error::expected_hex_digit: return "expected hex digit";
- case error::expected_utf16_escape: return "expected utf16 escape";
- case error::object_too_large: return "object too large";
- case error::array_too_large: return "array too large";
- case error::key_too_large: return "key too large";
- case error::string_too_large: return "string too large";
- case error::input_error: return "input error";
- case error::exception: return "got exception";
- case error::test_failure: return "test failure";
- case error::missing_slash: return "missing slash character";
- case error::invalid_escape: return "invalid escape sequence";
- case error::token_not_number: return "token is not a number";
- case error::value_is_scalar: return "current value is scalar";
- case error::not_found: return "no referenced value";
- case error::token_overflow: return "token overflow";
- case error::past_the_end: return "past-the-end token not supported";
- case error::not_number: return "not a number";
- case error::not_exact: return "not exact";
- case error::not_null: return "value is not null";
- case error::not_bool: return "value is not boolean";
- case error::not_array: return "value is not an array";
- case error::not_object: return "value is not an object";
- case error::not_string: return "value is not a string";
- case error::size_mismatch: return "array size does not match target size";
- case error::exhausted_variants: return "exhausted all variants";
- case error::unknown_name: return "unknown name";
- }
- }
- std::string
- message( int ev ) const override
- {
- return message( ev, nullptr, 0 );
- }
- error_condition
- default_error_condition(
- int ev) const noexcept override
- {
- switch(static_cast<error>(ev))
- {
- default:
- return {ev, *this};
- case error::syntax:
- case error::extra_data:
- case error::incomplete:
- case error::exponent_overflow:
- case error::too_deep:
- case error::illegal_leading_surrogate:
- case error::illegal_trailing_surrogate:
- case error::expected_hex_digit:
- case error::expected_utf16_escape:
- case error::object_too_large:
- case error::array_too_large:
- case error::key_too_large:
- case error::string_too_large:
- case error::input_error:
- return condition::parse_error;
- case error::missing_slash:
- case error::invalid_escape:
- return condition::pointer_parse_error;
- case error::token_not_number:
- case error::value_is_scalar:
- case error::not_found:
- case error::token_overflow:
- case error::past_the_end:
- return condition::pointer_use_error;
- case error::not_number:
- case error::not_exact:
- case error::not_null:
- case error::not_bool:
- case error::not_array:
- case error::not_object:
- case error::not_string:
- case error::size_mismatch:
- case error::exhausted_variants:
- case error::unknown_name:
- return condition::conversion_error;
- case error::exception:
- return condition::generic_error;
- }
- }
- };
- // on some versions of msvc-14.2 the category is put in RO memory
- // erroneusly, if the category object is const,
- // and that may result in crash
- static codes cat{};
- return error_code{static_cast<
- std::underlying_type<error>::type>(e), cat};
- }
- error_condition
- make_error_condition(condition c)
- {
- struct codes : error_category
- {
- const char*
- name() const noexcept override
- {
- return "boost.json";
- }
- char const* message( int cv, char*, std::size_t ) const noexcept
- override
- {
- switch(static_cast<condition>(cv))
- {
- default:
- case condition::parse_error:
- return "A JSON parse error occurred";
- case condition::pointer_parse_error:
- return "A JSON Pointer parse error occurred";
- case condition::pointer_use_error:
- return "An error occurred when JSON Pointer was used with"
- " a value";
- case condition::conversion_error:
- return "An error occurred during conversion";
- }
- }
- std::string
- message( int cv ) const override
- {
- return message( cv, nullptr, 0 );
- }
- };
- // on some versions of msvc-14.2 the category is put in RO memory
- // erroneusly, if the category object is const,
- // and that may result in crash
- static codes cat{};
- return error_condition{static_cast<
- std::underlying_type<condition>::type>(c), cat};
- }
- } // namespace json
- } // namespace boost
- #endif
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