File indexing completed on 2024-05-19 05:05:34

 /***************************************************************************
  *   SPDX-License-Identifier: GPL-2.0-or-later
  *                                                                         *
  *   SPDX-FileCopyrightText: 2004-2023 Thomas Fischer <fischer@unix-ag.uni-kl.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 2 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 <https://www.gnu.org/licenses/>. *
  ***************************************************************************/
 
 #include "fileexporterrtf.h"
 
 #include <QFile>
 #include <QStringList>
 #include <QTextStream>
 #include <QDir>
 
 #include <KBibTeX>
 #include <Preferences>
 #include <Element>
 #include "fileexporterbibtex.h"
 #include "fileexporter_p.h"
 #include "logging_io.h"
 
 FileExporterRTF::FileExporterRTF(QObject *parent)
         : FileExporterToolchain(parent)
 {
     m_fileBasename = QStringLiteral("bibtex-to-rtf");
     m_fileStem = tempDir.path() + QDir::separator() + m_fileBasename;
 }
 
 FileExporterRTF::~FileExporterRTF()
 {
     /// nothing
 }
 
 bool FileExporterRTF::save(QIODevice *iodevice, const File *bibtexfile)
 {
     check_if_bibtexfile_or_iodevice_invalid(bibtexfile, iodevice);
 
     bool result = false;
 
     QFile output(m_fileStem + KBibTeX::extensionBibTeX);
     if (output.open(QIODevice::WriteOnly)) {
         FileExporterBibTeX bibtexExporter(this);
         bibtexExporter.setEncoding(QStringLiteral("latex"));
         result = bibtexExporter.save(&output, bibtexfile);
         output.close();
     }
 
     if (result)
         result = generateRTF(iodevice);
 
     return result;
 }
 
 bool FileExporterRTF::save(QIODevice *iodevice, const QSharedPointer<const Element> &element, const File *bibtexfile)
 {
     check_if_iodevice_invalid(iodevice);
 
     bool result = false;
 
     QFile output(m_fileStem + KBibTeX::extensionBibTeX);
     if (output.open(QIODevice::WriteOnly)) {
         FileExporterBibTeX bibtexExporter(this);
         bibtexExporter.setEncoding(QStringLiteral("latex"));
         result = bibtexExporter.save(&output, element, bibtexfile);
         output.close();
     }
 
     if (result)
         result = generateRTF(iodevice);
 
     return result;
 }
 
 bool FileExporterRTF::generateRTF(QIODevice *iodevice)
 {
     QStringList cmdLines {QStringLiteral("latex -halt-on-error bibtex-to-rtf.tex"), QStringLiteral("bibtex bibtex-to-rtf"), QStringLiteral("latex -halt-on-error bibtex-to-rtf.tex"), QString(QStringLiteral("latex2rtf -i %1 bibtex-to-rtf.tex")).arg(Preferences::instance().laTeXBabelLanguage())};
 
     return writeLatexFile(m_fileStem + KBibTeX::extensionTeX) && runProcesses(cmdLines) && writeFileToIODevice(m_fileStem + KBibTeX::extensionRTF, iodevice);
 }
 
 bool FileExporterRTF::writeLatexFile(const QString &filename)
 {
     QFile latexFile(filename);
     if (latexFile.open(QIODevice::WriteOnly)) {
         QTextStream ts(&latexFile);
         // https://forum.qt.io/topic/135724/qt-6-replacement-for-qtextcodec
 #if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
         ts.setCodec("UTF-8");
 #else
         ts.setEncoding(QStringConverter::Utf8);
 #endif
 #if QT_VERSION >= 0x050e00
         ts << "\\documentclass{article}" << Qt::endl;
         ts << "\\usepackage[T1]{fontenc}" << Qt::endl;
         ts << "\\usepackage[utf8]{inputenc}" << Qt::endl;
 #else // QT_VERSION < 0x050e00
         ts << "\\documentclass{article}" << endl;
         ts << "\\usepackage[T1]{fontenc}" << endl;
         ts << "\\usepackage[utf8]{inputenc}" << endl;
 #endif // QT_VERSION >= 0x050e00
         if (kpsewhich(QStringLiteral("babel.sty")))
 #if QT_VERSION >= 0x050e00
             ts << "\\usepackage[" << Preferences::instance().laTeXBabelLanguage() << "]{babel}" << Qt::endl;
 #else // QT_VERSION < 0x050e00
             ts << "\\usepackage[" << Preferences::instance().laTeXBabelLanguage() << "]{babel}" << endl;
 #endif // QT_VERSION >= 0x050e00
         if (kpsewhich(QStringLiteral("url.sty")))
 #if QT_VERSION >= 0x050e00
             ts << "\\usepackage{url}" << Qt::endl;
 #else // QT_VERSION < 0x050e00
             ts << "\\usepackage{url}" << endl;
 #endif // QT_VERSION >= 0x050e00
         const QString bibliographyStyle = Preferences::instance().bibTeXBibliographyStyle();
         if (bibliographyStyle == QStringLiteral("dcu") && kpsewhich(QStringLiteral("harvard.sty")) && kpsewhich(QStringLiteral("html.sty")))
 #if QT_VERSION >= 0x050e00
             ts << "\\usepackage{html}" << Qt::endl << "\\usepackage[dcucite]{harvard}" << Qt::endl << "\\renewcommand{\\harvardurl}{URL: \\url}" << Qt::endl;
 #else // QT_VERSION < 0x050e00
             ts << "\\usepackage{html}" << endl << "\\usepackage[dcucite]{harvard}" << endl << "\\renewcommand{\\harvardurl}{URL: \\url}" << endl;
 #endif // QT_VERSION >= 0x050e00
         if (kpsewhich(QStringLiteral("geometry.sty")))
 #if QT_VERSION >= 0x050e00
             ts << "\\usepackage[paper=" << pageSizeToLaTeXName(Preferences::instance().pageSize()) << "]{geometry}" << Qt::endl;
 #else // QT_VERSION < 0x050e00
             ts << "\\usepackage[paper=" << pageSizeToLaTeXName(Preferences::instance().pageSize()) << "]{geometry}" << endl;
 #endif // QT_VERSION >= 0x050e00
 #if QT_VERSION >= 0x050e00
         ts << "\\bibliographystyle{" << bibliographyStyle << "}" << Qt::endl;
         ts << "\\begin{document}" << Qt::endl;
         ts << "\\nocite{*}" << Qt::endl;
         ts << "\\bibliography{bibtex-to-rtf}" << Qt::endl;
         ts << "\\end{document}" << Qt::endl;
 #else // QT_VERSION < 0x050e00
         ts << "\\bibliographystyle{" << bibliographyStyle << "}" << endl;
         ts << "\\begin{document}" << endl;
         ts << "\\nocite{*}" << endl;
         ts << "\\bibliography{bibtex-to-rtf}" << endl;
         ts << "\\end{document}" << endl;
 #endif // QT_VERSION >= 0x050e00
         latexFile.close();
         return true;
     }
 
     return false;
 }