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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_JSONPATCH_JSONPATCH_ERROR_HPP
#define JSONCONS_EXT_JSONPATCH_JSONPATCH_ERROR_HPP
#include <string>
#include <system_error>
#include <type_traits>
#include <jsoncons/json_exception.hpp>
namespace jsoncons { namespace jsonpatch {
enum class jsonpatch_errc
{
success = 0,
invalid_patch = 1,
test_failed,
add_failed,
remove_failed,
replace_failed,
move_failed,
copy_failed
};
class jsonpatch_error_category_impl
: public std::error_category
{
public:
const char* name() const noexcept override
{
return "jsoncons/jsonpatch";
}
std::string message(int ev) const override
{
switch (static_cast<jsonpatch_errc>(ev))
{
case jsonpatch_errc::invalid_patch:
return "Invalid JSON Patch document";
case jsonpatch_errc::test_failed:
return "JSON Patch test operation failed";
case jsonpatch_errc::add_failed:
return "JSON Patch add operation failed";
case jsonpatch_errc::remove_failed:
return "JSON Patch remove operation failed";
case jsonpatch_errc::replace_failed:
return "JSON Patch replace operation failed";
case jsonpatch_errc::move_failed:
return "JSON Patch move operation failed";
case jsonpatch_errc::copy_failed:
return "JSON Patch copy operation failed";
default:
return "Unknown JSON Patch error";
}
}
};
inline
const std::error_category& jsonpatch_error_category()
{
static jsonpatch_error_category_impl instance;
return instance;
}
inline
std::error_code make_error_code(jsonpatch_errc result)
{
return std::error_code(static_cast<int>(result),jsonpatch_error_category());
}
} // namespace jsonpatch
} // namespace jsoncons
namespace std {
template<>
struct is_error_code_enum<jsoncons::jsonpatch::jsonpatch_errc> : public true_type
{
};
} // namespace std
namespace jsoncons { namespace jsonpatch {
// allow to disable exceptions
#if !defined(JSONCONS_NO_EXCEPTIONS)
#define JSONCONS_THROW(exception) throw exception
#define JSONCONS_RETHROW throw
#define JSONCONS_TRY try
#define JSONCONS_CATCH(exception) catch(exception)
#else
#define JSONCONS_THROW(exception) std::terminate()
#define JSONCONS_RETHROW std::terminate()
#define JSONCONS_TRY if (true)
#define JSONCONS_CATCH(exception) if (false)
#endif
class jsonpatch_error : public std::system_error, public virtual json_exception
{
public:
jsonpatch_error(const std::error_code& ec)
: std::system_error(ec)
{
}
jsonpatch_error(const jsonpatch_error& other) = default;
jsonpatch_error(jsonpatch_error&& other) = default;
jsonpatch_error& operator=(const jsonpatch_error& e) = default;
jsonpatch_error& operator=(jsonpatch_error&& e) = default;
const char* what() const noexcept override
{
return std::system_error::what();
}
};
} // namespace jsonpatch
} // namespace jsoncons
#endif // JSONCONS_EXT_JSONPATCH_JSONPATCH_ERROR_HPP
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