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pkg://kdegraphics-4.6.0.tar.bz2:5101406/kdegraphics-4.6.0/okular/generators/dvi/  info  downloads

dvisourcesplitter.cpp

// -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; c-brace-offset: 0; -*-
//
// C++ Implementation: dvisourcesplitter
//
// Author: Jeroen Wijnhout <Jeroen.Wijnhout@kdemail.net>, (C) 2004
//
// Copyright: See COPYING file that comes with this distribution
//

#include <config.h>

#include "dvisourcesplitter.h"
#include "kvs_debug.h"

#include <QDir>

//#define DEBUG_SOURCESPLITTER


DVI_SourceFileSplitter::DVI_SourceFileSplitter(const QString &srclink, const QString &dviFile)
{
  QString filepart = srclink, linepart;
  // if sourcefilename starts with a number
  // then there could be a mix up, i.e. src:123file.tex
  // line 123 and file.tex or line 12 and 3file.tex?
  bool possibleNumberMixUp = false;

#ifdef DEBUG_SOURCESPLITTER
  kDebug(kvs::dvi) << "DVI_SourceSplitter: srclink " << srclink;
#endif

  //remove src: if necessary
  if ( filepart.left(4) == "src:" ) filepart = srclink.mid(4);

  //split first
  quint32 max = filepart.length(), i = 0;
  for(i=0; i<max; ++i) if ( !filepart[i].isDigit()) break;
  linepart = filepart.left(i);
  filepart = filepart.mid(i);

  //check for number mix up
  if ( filepart[0] != ' ' && (linepart.length() != 1) ) possibleNumberMixUp = true;

  //remove a spaces
  filepart = filepart.trimmed();
  linepart = linepart.trimmed();

#ifdef DEBUG_SOURCESPLITTER
  kDebug(kvs::dvi) << "DVI_SourceSplitter: filepart " << filepart << " linepart " << linepart;
#endif

  //test if the file exists
  m_fileInfo.setFile(QFileInfo(dviFile).absoluteDir(), filepart);
  bool fiExists = m_fileInfo.exists();

  //if it doesn't exist, but adding ".tex"
  if ( !fiExists && QFileInfo(m_fileInfo.absoluteFilePath() + ".tex").exists() )
    m_fileInfo.setFile(m_fileInfo.absoluteFilePath() + ".tex");

  //if that doesn't help either, perhaps the file started with a
  //number: move the numbers from the sourceline to the filename
  //one by one (also try to add .tex repeatedly)
  if ( possibleNumberMixUp && !fiExists )
  {
    QFileInfo tempInfo(m_fileInfo);
    QString tempFileName = tempInfo.fileName();
    quint32 index, maxindex = linepart.length();
    bool found = false;
    for ( index = 1; index < maxindex; ++index)
    {
      tempInfo.setFile(linepart.right(index) + tempFileName);
#ifdef DEBUG_SOURCESPLITTER
      kDebug(kvs::dvi) << "DVI_SourceSplitter: trying " << tempInfo.fileName();
#endif
      if ( tempInfo.exists() ) { found = true; break;}
      tempInfo.setFile(linepart.right(index) + tempFileName + ".tex");
#ifdef DEBUG_SOURCESPLITTER
      kDebug(kvs::dvi) << "DVI_SourceSplitter: trying " << tempInfo.fileName();
#endif
      if ( tempInfo.exists() ) { found = true; break;}
    }

    if (found)
    {
      m_fileInfo = tempInfo;
      linepart = linepart.left(maxindex - index);
    }
  }

  bool ok;
  m_line = linepart.toInt(&ok);
  if (!ok) m_line = 0;

#ifdef DEBUG_SOURCESPLITTER
  kDebug(kvs::dvi) << "DVI_SourceSplitter: result: file " << m_fileInfo.absoluteFilePath() << " line " << m_line;
#endif
}
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