spot/src/bin/common_file.hh
Alexandre Duret-Lutz d17d7469c3 ltlcross: allow appending to files via >>FILENAME
Suggested by Joachim Klein.  Fixes #57.

* src/bin/common_file.hh, src/bin/common_file.cc: New file.
* src/bin/Makefile.am: Build them.
* src/bin/ltlcross.cc: Use the output_file class.
* src/tgbatest/ltlcross3.test: Test >>.
* NEWS: mention it.
2015-02-14 17:39:51 +01:00

54 lines
1.4 KiB
C++

// -*- coding: utf-8 -*-
// Copyright (C) 2015 Laboratoire de Recherche et Développement de
// l'Epita (LRDE).
//
// This file is part of Spot, a model checking library.
//
// Spot 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.
//
// Spot 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 SPOT_BIN_COMMON_FILE_HH
#define SPOT_BIN_COMMON_FILE_HH
#include "common_sys.hh"
#include <iosfwd>
#include <fstream>
class output_file
{
std::ostream* os_;
std::ofstream* of_ = nullptr;
bool append_ = false;
public:
// Open a file for output. "-" is interpreted as stdout.
// Names that start with ">>" are opened for append.
// The function calls error() on... error.
output_file(const char* name);
~output_file()
{
delete of_;
}
bool append() const
{
return append_;
}
std::ostream& ostream()
{
return *os_;
}
};
#endif // SPOT_BIN_COMMON_FILE_HH