2 * This file is part of the GROMACS molecular simulation package.
4 * Copyright (c) 2015, by the GROMACS development team, led by
5 * Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
6 * and including many others, as listed in the AUTHORS file in the
7 * top-level source directory and at http://www.gromacs.org.
9 * GROMACS is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public License
11 * as published by the Free Software Foundation; either version 2.1
12 * of the License, or (at your option) any later version.
14 * GROMACS is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with GROMACS; if not, see
21 * http://www.gnu.org/licenses, or write to the Free Software Foundation,
22 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 * If you want to redistribute modifications to GROMACS, please
25 * consider that scientific software is very special. Version
26 * control is crucial - bugs must be traceable. We will be happy to
27 * consider code for inclusion in the official distribution, but
28 * derived work must not be called official GROMACS. Details are found
29 * in the README & COPYING files - if they are missing, get the
30 * official version at http://www.gromacs.org.
32 * To help us fund GROMACS development, we humbly ask that you cite
33 * the research papers on the package. Check out http://www.gromacs.org.
37 * Implements gmx::TextReader.
39 * \author Teemu Murtola <teemu.murtola@gmail.com>
40 * \ingroup module_utility
44 #include "textreader.h"
46 #include "gromacs/utility/filestream.h"
47 #include "gromacs/utility/nodelete.h"
48 #include "gromacs/utility/textstream.h"
54 std::string TextReader::readFileToString(const char *filename)
57 TextReader reader(filename);
59 while (reader.readLine(&line))
68 std::string TextReader::readFileToString(const std::string &filename)
70 return readFileToString(filename.c_str());
73 class TextReader::Impl
76 explicit Impl(const TextInputStreamPointer &stream)
81 TextInputStreamPointer stream_;
84 TextReader::TextReader(const std::string &filename)
85 : impl_(new Impl(TextInputStreamPointer(new TextInputFile(filename))))
89 TextReader::TextReader(TextInputStream *stream)
90 : impl_(new Impl(TextInputStreamPointer(stream, no_delete<TextInputStream>())))
94 TextReader::TextReader(const TextInputStreamPointer &stream)
95 : impl_(new Impl(stream))
99 TextReader::~TextReader()
103 bool TextReader::readLine(std::string *line)
105 return impl_->stream_->readLine(line);
108 bool TextReader::readLineTrimmed(std::string *line)
114 const size_t endPos = line->find_last_not_of(" \t\r\n");
115 if (endPos != std::string::npos)
117 line->resize(endPos + 1);
122 void TextReader::close()
124 impl_->stream_->close();