parser.h

#ifndef INICPP_PARSER_H
#define INICPP_PARSER_H

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

#include "config.h"
#include "dll.h"
#include "exception.h"
#include "schema.h"
#include "string_utils.h"

namespace inicpp
{
    class INICPP_API parser
    {
    private:
        static size_t find_first_nonescaped(const std::string &str, char ch);
        static size_t find_last_escaped(const std::string &str, char ch);
        static std::string unescape(const std::string &str);
        static std::string delete_comment(const std::string &str);
        static std::vector<std::string> parse_option_list(const std::string &str);
        static void handle_links(const config &cfg,
            const section &last_section,
            std::vector<std::string> &option_val_list,
            size_t line_number);
        static void validate_identifier(const std::string &str, size_t line_number);

        static config internal_load(std::istream &str);
        static void internal_save(const config &cfg, const schema &schm, std::ostream &str);

    public:
        parser() = delete;
        parser(const parser &source) = delete;
        parser &operator=(const parser &source) = delete;
        parser(parser &&source) = delete;
        parser &operator=(parser &&source) = delete;

        static config load(const std::string &str);
        static config load(const std::string &str, const schema &schm, schema_mode mode);
        static config load(std::istream &str);
        static config load(std::istream &str, const schema &schm, schema_mode mode);

        static config load_file(const std::string &file);
        static config load_file(const std::string &file, const schema &schm, schema_mode mode);

        static void save(const config &cfg, const std::string &file);
        static void save(const config &cfg, std::ostream &str);
        static void save(const config &cfg, const schema &schm, const std::string &file);
        static void save(const config &cfg, const schema &schm, std::ostream &str);
        static void save(const schema &schm, const std::string &file);
        static void save(const schema &schm, std::ostream &str);
    };
}

#endif