std::map readConfig()

in image/image.cpp [15:34]

• 19 lines of code
• 5 McCabe index (conditional complexity)

std::map<std::string, std::string> readConfig(const std::string& filename) {
	std::map<std::string, std::string> config;
	std::ifstream file(filename);
	if (!file.is_open()) {
		throw std::runtime_error("Could not open config file");
	}

	std::string line;
	while (std::getline(file, line)) {
		std::istringstream is_line(line);
		std::string key;
		if (std::getline(is_line, key, '=')) {
			std::string value;
			if (std::getline(is_line, value)) {
				config[key] = value;
			}
		}
	}
	return config;
}