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// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
// SPDX-License-Identifier: GPL-3.0+
#include "YAML.h"
#include <csetjmp>
#include <cstdlib>
struct RapidYAMLContext
{
std::jmp_buf env;
Error* error = nullptr;
};
std::optional<ryml::Tree> ParseYAMLFromString(ryml::csubstr yaml, ryml::csubstr file_name, Error* error)
{
RapidYAMLContext context;
context.error = error;
ryml::Callbacks callbacks;
callbacks.m_user_data = static_cast<void*>(&context);
callbacks.m_error = [](const char* msg, size_t msg_len, ryml::Location location, void* user_data) {
RapidYAMLContext* context = static_cast<RapidYAMLContext*>(user_data);
Error::SetString(context->error, std::string(msg, msg_len));
std::longjmp(context->env, 1);
};
ryml::EventHandlerTree event_handler(callbacks);
ryml::Parser parser(&event_handler);
ryml::Tree tree;
// The only options RapidYAML provides for recovering from errors are
// throwing an exception or using setjmp/longjmp. Since we have exceptions
// disabled we have to use the latter option.
if (setjmp(context.env))
return std::nullopt;
ryml::parse_in_arena(&parser, file_name, yaml, &tree);
return tree;
}
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