/**
	This file is a part of rexy's general purpose library
	Copyright (C) 2020 rexy712

	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU Affero General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU Affero General Public License for more details.

	You should have received a copy of the GNU Affero General Public License
	along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef REXY_FILERD_HPP
#define REXY_FILERD_HPP

#include <cstdio> //FILE
#include <cstddef> //size_t

#include <rexy/string.hpp>
#include <rexy/binary.hpp>

namespace rexy{

	//RAII wrapper for FILE*
	class filerd
	{
	private:
		FILE* m_fp = nullptr;

	public:
		filerd(void) = default;
		filerd(const char* f, const char* mode = "r");
		filerd(const filerd&) = delete;
		filerd(filerd&& f);
		~filerd(void);
		filerd& operator=(const filerd&) = delete;
		filerd& operator=(filerd&& f);

		void reset(FILE* fp = nullptr);
		FILE* release(void);
		size_t length(void);
		size_t position(void)const;
		void rewind(size_t pos = 0);

		operator FILE*(void);
		operator const FILE*(void)const;
		FILE* get(void);
		const FILE* get(void)const;
		operator bool(void)const;

		size_t read(char* dest, size_t bytes);
		rexy::string read(size_t bytes);
		rexy::string readln(size_t max = 0);
		rexy::binary read_bin(size_t bytes);

		size_t write(const char* c, size_t bytes);
		size_t write(const rexy::string_base&);
	};

}

#endif