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/// Copyright 2013-2025 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_EXT_MSGPACK_MSGPACK_ERROR_HPP
#define JSONCONS_EXT_MSGPACK_MSGPACK_ERROR_HPP
#include <string>
#include <system_error>
#include <type_traits>
namespace jsoncons { namespace msgpack {
enum class msgpack_errc
{
success = 0,
unexpected_eof = 1,
source_error,
invalid_utf8_text_string,
array_length_required,
object_length_required,
too_many_items,
too_few_items,
max_nesting_depth_exceeded,
length_is_negative,
invalid_timestamp,
unknown_type
};
class msgpack_error_category_impl
: public std::error_category
{
public:
const char* name() const noexcept override
{
return "jsoncons/msgpack";
}
std::string message(int ev) const override
{
switch (static_cast<msgpack_errc>(ev))
{
case msgpack_errc::unexpected_eof:
return "Unexpected end of file";
case msgpack_errc::source_error:
return "Source error";
case msgpack_errc::invalid_utf8_text_string:
return "Illegal UTF-8 encoding in text string";
case msgpack_errc::array_length_required:
return "MessagePack encoder requires array length";
case msgpack_errc::object_length_required:
return "MessagePack encoder requires object length";
case msgpack_errc::too_many_items:
return "Too many items were added to a MessagePack object or array";
case msgpack_errc::too_few_items:
return "Too few items were added to a MessagePack object or array";
case msgpack_errc::max_nesting_depth_exceeded:
return "Data item nesting exceeds limit in options";
case msgpack_errc::length_is_negative:
return "Request for the length of an array, map or string returned a negative result";
case msgpack_errc::invalid_timestamp:
return "Invalid timestamp";
case msgpack_errc::unknown_type:
return "An unknown type was found in the stream";
default:
return "Unknown MessagePack parser error";
}
}
};
inline
const std::error_category& msgpack_error_category()
{
static msgpack_error_category_impl instance;
return instance;
}
inline
std::error_code make_error_code(msgpack_errc e)
{
return std::error_code(static_cast<int>(e),msgpack_error_category());
}
} // namespace msgpack
} // namespace jsoncons
namespace std {
template<>
struct is_error_code_enum<jsoncons::msgpack::msgpack_errc> : public true_type
{
};
} // namespace std
#endif // JSONCONS_EXT_MSGPACK_MSGPACK_ERROR_HPP
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