40e30df7e3
Fixes #534. * bin/common_file.hh, bin/common_file.cc: Make it possible to reopen a closed file. * bin/common_output.cc, bin/common_aoutput.cc: Add a heuristic to decide when to close files. * tests/core/serial.test: Add a test case. * NEWS: Mention the issue.
51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
// -*- coding: utf-8 -*-
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// Copyright (C) 2015-2016, 2022-2023 Laboratoire de Recherche et
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// Développement de l'Epita (LRDE).
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//
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// This file is part of Spot, a model checking library.
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//
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// Spot is free software; you can redistribute it and/or modify it
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// under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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//
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// Spot is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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// License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#pragma once
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#include "common_sys.hh"
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#include <iosfwd>
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#include <memory>
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#include <fstream>
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class output_file
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{
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std::ostream* os_;
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std::unique_ptr<std::ofstream> of_;
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bool append_ = false;
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public:
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// Open a file for output. "-" is interpreted as stdout.
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// Names that start with ">>" are opened for append.
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// The function calls error() on... error.
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output_file(const char* name, bool force_append = false);
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void close(const std::string& name);
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void reopen_for_append(const std::string& name);
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bool append() const
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{
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return append_;
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}
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std::ostream& ostream()
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{
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return *os_;
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}
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};
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