/*************************************************************************
** Process.hpp                                                          **
**                                                                      **
** This file is part of dvisvgm -- a fast DVI to SVG converter          **
** Copyright (C) 2005-2023 Martin Gieseking <martin.gieseking@uos.de>   **
**                                                                      **
** This program is free software; you can redistribute it and/or        **
** modify it under the terms of the GNU 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 General Public License for more details.                         **
**                                                                      **
** You should have received a copy of the GNU General Public License    **
** along with this program; if not, see <http://www.gnu.org/licenses/>. **
*************************************************************************/

#ifndef PROCESS_HPP
#define PROCESS_HPP

#include <string>

struct SearchPattern {
	SearchPattern () =default;

	explicit SearchPattern (std::string searchRegex)
		: search(std::move(searchRegex)) {}

	SearchPattern (std::string searchRegex, std::string replExpr)
		: search(std::move(searchRegex)), replace(std::move(replExpr)) {}

	std::string search;
	std::string replace;
};


class Process {
	public:
		enum PipeFlags {PF_STDOUT=1, PF_STDERR=2};

		Process (std::string cmd, std::string paramstr);
		Process (const Process &orig) =delete;
		Process (Process &&orig) =delete;
		bool run (std::string *out=nullptr, PipeFlags flags=PF_STDOUT);
		bool run (const std::string &dir, std::string *out=nullptr, PipeFlags flags=PF_STDOUT);
		bool run (std::string *out, const SearchPattern &pattern, PipeFlags flags=PF_STDOUT);

	private:
		std::string _cmd;
		const std::string _paramstr;
};

#endif

