Method save

framework/configfile.cpp:199–266

	bool loaded() const { return this->parsed; }

	bool save()
	{
		// Don't try to save if we've not successfully loaded anything
		if (!this->parsed)
			return false;
		auto configPathString = this->getTyped<UString>("Config.File");

		if (this->modifiedOptions.empty())
		{
			// nothing to do
			return true;
		}

		std::map<UString, std::list<UString>> configFileContents;

		for (auto &optionPair : this->modifiedOptions)
		{
			auto splitString = split(optionPair.first, ".");
			if (splitString.size() < 1)
			{
				LogError("Invalid option string \"%s\"", optionPair.first);
				continue;
			}
			UString sectionName;
			for (unsigned i = 0; i < splitString.size() - 1; i++)
			{
				if (i != 0)
					sectionName += ".";
				sectionName += splitString[i];
			}

			auto optionName = splitString[splitString.size() - 1];
			UString configFileLine =
			    format("%s=%s", optionName, std::visit(ToStringVisitor(), optionPair.second));
			configFileContents[sectionName].push_back(configFileLine);
		}

		try
		{
			fs::path configPath(configPathString);
			auto dir = configPath.parent_path();
			if (!dir.empty())
				fs::create_directories(dir);
			std::ofstream outFile(configPath.string());
			if (!outFile)
			{
				std::cerr << "Failed to open config file \"" << configPath << "\" for writing\n";
				return false;
			}
			for (auto &section : configFileContents)
			{
				auto &sectionName = section.first;
				outFile << "[" << sectionName << "]\n";
				for (auto &line : section.second)
				{
					outFile << line << "\n";
				}
			}