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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_CBOR_CBOR_ERROR_HPP
#define JSONCONS_EXT_CBOR_CBOR_ERROR_HPP
#include <string>
#include <system_error>
#include <type_traits>
#include <jsoncons/config/jsoncons_config.hpp>
namespace jsoncons { namespace cbor {
enum class cbor_errc
{
success = 0,
unexpected_eof,
source_error,
invalid_decimal_fraction,
invalid_bigfloat,
invalid_utf8_text_string,
too_many_items,
too_few_items,
number_too_large,
stringref_too_large,
max_nesting_depth_exceeded,
unknown_type,
illegal_chunked_string
};
class cbor_error_category_impl
: public std::error_category
{
public:
const char* name() const noexcept override
{
return "jsoncons/cbor";
}
std::string message(int ev) const override
{
switch (static_cast<cbor_errc>(ev))
{
case cbor_errc::unexpected_eof:
return "Unexpected end of file";
case cbor_errc::source_error:
return "Source error";
case cbor_errc::invalid_decimal_fraction:
return "Invalid decimal fraction";
case cbor_errc::invalid_bigfloat:
return "Invalid bigfloat";
case cbor_errc::invalid_utf8_text_string:
return "Illegal UTF-8 encoding in text string";
case cbor_errc::too_many_items:
return "Too many items were added to a CBOR map or array of known length";
case cbor_errc::too_few_items:
return "Too few items were added to a CBOR map or array of known length";
case cbor_errc::number_too_large:
return "Number exceeds implementation limits";
case cbor_errc::stringref_too_large:
return "stringref exceeds stringref map size";
case cbor_errc::max_nesting_depth_exceeded:
return "Data item nesting exceeds limit in options";
case cbor_errc::unknown_type:
return "An unknown type was found in the stream";
case cbor_errc::illegal_chunked_string:
return "An illegal type was found while parsing an indefinite length string";
default:
return "Unknown CBOR parser error";
}
}
};
inline
const std::error_category& cbor_error_category()
{
static cbor_error_category_impl instance;
return instance;
}
inline
std::error_code make_error_code(cbor_errc e)
{
return std::error_code(static_cast<int>(e),cbor_error_category());
}
} // namespace cbor
} // namespace jsoncons
namespace std {
template<>
struct is_error_code_enum<jsoncons::cbor::cbor_errc> : public true_type
{
};
} // namespace std
#endif
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