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/// 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
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