Method load

rpcs3/util/bin_patch.cpp:166–669

};

bool patch_engine::load(patch_map& patches_map, const std::string& path, std::string content, bool importing, std::stringstream* log_messages)
{
	if (content.empty())
	{
		// Load patch file
		fs::file file{path};

		if (!file)
		{
			// Do nothing
			return true;
		}

		content = file.to_string();
	}

	// Interpret yaml nodes
	auto [root, error] = yaml_load(content);

	if (!error.empty() || !root)
	{
		append_log_message(log_messages, "Fatal Error: Failed to load file!");
		patch_log.fatal("Failed to load patch file %s:\n%s", path, error);
		return false;
	}

	// Load patch config to determine which patches are enabled
	patch_map patch_config;

	if (!importing)
	{
		patch_config = load_config();
	}

	std::string version;

	if (const auto version_node = root[patch_key::version])
	{
		version = version_node.Scalar();

		if (version != patch_engine_version)
		{
			append_log_message(log_messages, fmt::format("Error: File version %s does not match patch engine target version %s (location: %s, file: %s)", version, patch_engine_version, get_yaml_node_location(version_node), path), &patch_log.error);
			return false;
		}

		// We don't need the Version node in local memory anymore
		root.remove(patch_key::version);
	}
	else
	{
		append_log_message(log_messages, fmt::format("Error: No '%s' entry found. Patch engine version = %s (file: %s)", patch_key::version, patch_engine_version, path), &patch_log.error);
		return false;
	}

	bool is_valid = true;

	// Go through each main key in the file