okular/core/sourcereference.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2007,2008 by Pino Toscano <pino@kde.org>                *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  ***************************************************************************/
   9
  10 #include "sourcereference.h"
  11 #include "sourcereference_p.h"
  12
  13 #include <QtCore/QString>
  14 #include <klocale.h>
  15
  16 using namespace Okular;
  17
  18 class SourceReference::Private
  19 {
  20     public:
  21         Private()
  22             : row( 0 ), column( 0 )
  23         {
  24         }
  25
  26         QString filename;
  27         int row;
  28         int column;
  29 };
  30
  31 SourceReference::SourceReference( const QString &fileName, int row, int column )
  32     : d( new Private )
  33 {
  34     d->filename = fileName;
  35     d->row = row;
  36     d->column = column;
  37 }
  38
  39 SourceReference::~SourceReference()
  40 {
  41     delete d;
  42 }
  43
  44 QString SourceReference::fileName() const
  45 {
  46     return d->filename;
  47 }
  48
  49 int SourceReference::row() const
  50 {
  51     return d->row;
  52 }
  53
  54 int SourceReference::column() const
  55 {
  56     return d->column;
  57 }
  58
  59 bool Okular::extractLilyPondSourceReference( const QString &url, QString *file, int *row, int *col )
  60 {
  61     if ( !url.startsWith( QLatin1String( "textedit://" ) ) )
  62         return false;
  63
  64     *row = 0;
  65     *col = 0;
  66     int lilyChar = 0;
  67     typedef int *IntPtr;
  68     const IntPtr int_data[] = { row, &lilyChar, col };
  69     int int_index = sizeof( int_data ) / sizeof( int* ) - 1;
  70     int index_last = -1;
  71     int index = url.lastIndexOf( QLatin1Char( ':' ), index_last );
  72     while ( index != -1 && int_index >= 0 )
  73     {
  74         // read the current "chunk"
  75         const QStringRef ref = url.midRef( index + 1, index_last - index - 1 );
  76         *int_data[ int_index ] = QString::fromRawData( ref.data(), ref.count() ).toInt();
  77         // find the previous "chunk"
  78         index_last = index;
  79         index = url.lastIndexOf( QLatin1Char( ':' ), index_last - 1 );
  80         --int_index;
  81     }
  82     // NOTE: 11 is the length of "textedit://"
  83     *file = url.mid( 11, index_last != -1 ? index_last - 11 : -1 );
  84     return true;
  85 }
  86
  87 QString Okular::sourceReferenceToolTip( const QString &source, int row, int col )
  88 {
  89     Q_UNUSED( row );
  90     Q_UNUSED( col );
  91     return i18nc( "'source' is a source file", "Source: %1", source );
  92 }