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Member "cb2bib-2.0.1/src/c2bCoreCiter.cpp" (12 Feb 2021, 3965 Bytes) of package /linux/privat/cb2bib-2.0.1.tar.gz:

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    1 /***************************************************************************
    2  *   Copyright (C) 2004-2021 by Pere Constans
    3  *   constans@molspaces.com
    4  *   cb2Bib version 2.0.1. Licensed under the GNU GPL version 3.
    5  *   See the LICENSE file that comes with this distribution.
    6  *
    7  *   The LyX pipe procedure in citeToLyXPipe has been adapted from Tellico
    8  *   (Tellico (C) 2003-2005 by Robby Stephenson)
    9  ***************************************************************************/
   10 #include "c2bCoreCiter.h"
   11 
   12 #include "c2bFileDialog.h"
   13 
   14 #include <settings.h>
   15 
   16 #include <QApplication>
   17 #include <QClipboard>
   18 #include <QMessageBox>
   19 #include <QTextStream>
   20 
   21 // fifo to lyx
   22 #include <fcntl.h>
   23 
   24 #include <unistd.h>
   25 
   26 
   27 c2bCoreCiter::c2bCoreCiter(QWidget* parentw) : QObject(parentw)
   28 {
   29     _parentWP = parentw;
   30     _settingsP = settings::instance();
   31     _settingsP->setDefaultValue("c2bCoreCiter/LyXPipe",
   32                                 QDir::cleanPath(QDir::homePath() + QDir::separator() + ".lyx/lyxpipe.in"));
   33     _lyxpipe = _settingsP->value("c2bCoreCiter/LyXPipe").toString();
   34 
   35     _citeids = QRegExp("^([^<]*)<<([^\\|]*)\\|citeids\\|([^>]*)>>(.*)$");
   36 }
   37 
   38 c2bCoreCiter::~c2bCoreCiter() {}
   39 
   40 
   41 void c2bCoreCiter::cite(const QStringList& keys)
   42 {
   43     if (keys.count() == 0)
   44         return;
   45 
   46     _command = _settingsP->value("cb2Bib/CiteCommandPattern").toString();
   47     const QByteArray pipe(QFile::encodeName(_lyxpipe));
   48     if (QFile::exists(pipe) && _command == C2B_CITE_COMMAND_PATTERN)
   49         _cite_to_lyx_pipe(keys);
   50     else
   51         _cite_to_clipboard(keys);
   52 }
   53 
   54 void c2bCoreCiter::_cite_to_clipboard(const QStringList& keys) const
   55 {
   56     QString c;
   57     if (_command.isEmpty() || _command == C2B_CITE_COMMAND_PATTERN)
   58         c = QLatin1String("\\cite{") + keys.join(QLatin1String(", ")).trimmed() + QLatin1Char('}');
   59     else if (_command.contains(QLatin1String("<<citeid>>")))
   60         for (int i = 0; i < keys.count(); ++i)
   61             c += QString(_command).replace(QLatin1String("<<citeid>>"), keys.at(i)) + QLatin1Char(' ');
   62     else if (_citeids.indexIn(_command) >= 0)
   63     {
   64         c = _citeids.cap(2) + keys.at(0); // Note keys.count() > 0
   65         for (int i = 1; i < keys.count(); ++i)
   66             c += _citeids.cap(3) + QLatin1Char(' ') + _citeids.cap(2) + keys.at(i);
   67         c = _citeids.cap(1) + c.trimmed() + _citeids.cap(4);
   68     }
   69 
   70     if (c.isEmpty())
   71     {
   72         QMessageBox::warning(_parentWP, tr("Warning - cb2Bib"), tr("Cite Command Pattern is misspecified"),
   73                              QMessageBox::Ok);
   74         return;
   75     }
   76 
   77     QClipboard* cb(QApplication::clipboard());
   78     cb->setText(c.trimmed(), QClipboard::Clipboard);
   79 }
   80 
   81 void c2bCoreCiter::_cite_to_lyx_pipe(const QStringList& keys) const
   82 {
   83     // This procedure was adapted from Tellico
   84     // Tellico (C) 2003-2005 by Robby Stephenson
   85     const QByteArray pipe(QFile::encodeName(_lyxpipe));
   86     const QString errorStr(tr("Unable to write to the server pipe at '%1'.").arg(QString(pipe)));
   87 
   88     if (!QFile::exists(pipe))
   89     {
   90         QMessageBox::warning(_parentWP, tr("Warning - cb2Bib"), errorStr, QMessageBox::Ok);
   91         return;
   92     }
   93 
   94     int pipeFd = ::open(pipe, O_WRONLY);
   95     QFile file(QString::fromUtf8(pipe));
   96     if (file.open(pipeFd, QIODevice::WriteOnly))
   97     {
   98         // pybliographer uses comma-space, and pyblink expects the space there
   99         const QString c(keys.join(", ").trimmed());
  100         QTextStream st(&file);
  101         st << QString::fromLatin1("LYXCMD:cb2bib:citation-insert:%1\n").arg(c).toLatin1();
  102         file.flush();
  103         file.close();
  104     }
  105     else
  106         QMessageBox::warning(_parentWP, tr("Warning - cb2Bib"), errorStr, QMessageBox::Ok);
  107     ::close(pipeFd);
  108 }
  109 
  110 void c2bCoreCiter::setLyXPipe()
  111 {
  112     const QString new_pn(c2bFileDialog::getSystemFilename(_parentWP, "Select LyX pipe", _lyxpipe, "All (*)"));
  113     if (!new_pn.isEmpty())
  114     {
  115         _lyxpipe = new_pn;
  116         _settingsP->setValue("c2bCoreCiter/LyXPipe", _lyxpipe);
  117     }
  118 }