ini.hpp

#ifndef INI_HPP
#define INI_HPP

#include <map>
#include <regex>
#include <string>
#include <fstream>
#include <iostream>

class ini_document {
public:
	ini_document(std::string path) {
		file.open(path);

		if (!file.is_open()) {
			return;
		}

		const std::regex re(TEMPLATE_KEY_VALUE);
		std::string line;

		while (std::getline(file, line)) {
			std::smatch match;

			if (std::regex_match(line, match, re)) {
				content.insert(content.begin(),
					std::pair<std::string, std::string>(match[2], match[4]));

			}
		}
	}

private:
	std::ifstream file;

	/*
	 * <key> = "<value>"
	 * <key> = <value>
	 * <key>  =    <value>
	 * <key>=<value>
	 */
	constexpr static char
		*TEMPLATE_KEY_VALUE = "^((\\w+)\\ *\\=\\ *)(\\\"{0,1}(\\w+)\\\"{0,1})";

	/*
	 * All values from the file are saved as a string.
	 */
	using content_t = std::map<std::string, std::string>;
	content_t content;
};

#endif