diff options
Diffstat (limited to 'include/jsoncons_ext/ubjson/ubjson_error.hpp')
-rw-r--r-- | include/jsoncons_ext/ubjson/ubjson_error.hpp | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/include/jsoncons_ext/ubjson/ubjson_error.hpp b/include/jsoncons_ext/ubjson/ubjson_error.hpp new file mode 100644 index 0000000..cc7f5b8 --- /dev/null +++ b/include/jsoncons_ext/ubjson/ubjson_error.hpp @@ -0,0 +1,100 @@ +/// Copyright 2018 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_UBJSON_UBJSON_ERROR_HPP +#define JSONCONS_UBJSON_UBJSON_ERROR_HPP + +#include <system_error> +#include <jsoncons/config/jsoncons_config.hpp> + +namespace jsoncons { namespace ubjson { + +enum class ubjson_errc +{ + success = 0, + unexpected_eof = 1, + source_error, + count_required_after_type, + length_is_negative, + length_must_be_integer, + unknown_type, + invalid_utf8_text_string, + too_many_items, + too_few_items, + number_too_large, + max_nesting_depth_exceeded, + key_expected, + max_items_exceeded +}; + +class ubjson_error_category_impl + : public std::error_category +{ +public: + const char* name() const noexcept override + { + return "jsoncons/ubjson"; + } + std::string message(int ev) const override + { + switch (static_cast<ubjson_errc>(ev)) + { + case ubjson_errc::unexpected_eof: + return "Unexpected end of file"; + case ubjson_errc::source_error: + return "Source error"; + case ubjson_errc::count_required_after_type: + return "Type is specified for container, but count is not specified"; + case ubjson_errc::length_is_negative: + return "Request for the length of an array, map or string returned a negative result"; + case ubjson_errc::length_must_be_integer: + return "Length must be a integer numeric type (int8, uint8, int16, int32, int64)"; + case ubjson_errc::unknown_type: + return "Unknown type"; + case ubjson_errc::invalid_utf8_text_string: + return "Illegal UTF-8 encoding in text string"; + case ubjson_errc::too_many_items: + return "Too many items were added to a UBJSON object or array of known length"; + case ubjson_errc::too_few_items: + return "Too few items were added to a UBJSON object or array of known length"; + case ubjson_errc::number_too_large: + return "Number exceeds implementation limits"; + case ubjson_errc::max_nesting_depth_exceeded: + return "Data item nesting exceeds limit in options"; + case ubjson_errc::key_expected: + return "Text string key in a map expected"; + case ubjson_errc::max_items_exceeded: + return "Number of items in UBJSON object or array exceeds limit set in options"; + default: + return "Unknown UBJSON parser error"; + } + } +}; + +inline +const std::error_category& ubjson_error_category() +{ + static ubjson_error_category_impl instance; + return instance; +} + +inline +std::error_code make_error_code(ubjson_errc e) +{ + return std::error_code(static_cast<int>(e),ubjson_error_category()); +} + + +}} + +namespace std { + template<> + struct is_error_code_enum<jsoncons::ubjson::ubjson_errc> : public true_type + { + }; +} + +#endif |