src/metadata/trueaudio/combinedtag.h

   1 /***************************************************************************
   2     copyright            : (C) 2004 by Allan Sandfeld Jensen
   3     email                : kde@carewolf.org
   4  ***************************************************************************/
   5
   6 /***************************************************************************
   7  *   This library is free software; you can redistribute it and/or modify  *
   8  *   it  under the terms of the GNU Lesser General Public License version  *
   9  *   2.1 as published by the Free Software Foundation.                     *
  10  *                                                                         *
  11  *   This library is distributed in the hope that it will be useful, but   *
  12  *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
  14  *   Lesser General Public License for more details.                       *
  15  *                                                                         *
  16  *   You should have received a copy of the GNU Lesser General Public      *
  17  *   License along with this library; if not, write to the Free Software   *
  18  *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,            *
  19  *   MA  02110-1301  USA                                                   *
  20  ***************************************************************************/
  21
  22 #ifndef DO_NOT_DOCUMENT // Tell Doxygen not to document this header
  23
  24 #ifndef TAGLIB_COMBINEDTAG_H
  25 #define TAGLIB_COMBINEDTAG_H
  26
  27 ////////////////////////////////////////////////////////////////////////////////
  28 // Note that this header is not installed.
  29 ////////////////////////////////////////////////////////////////////////////////
  30
  31 #include <tag.h>
  32
  33 namespace TagLib {
  34
  35   /*!
  36    * A union of two TagLib::Tags.
  37    */
  38   class CombinedTag : public TagLib::Tag
  39   {
  40   public:
  41     explicit CombinedTag(Tag *tag1 = 0, Tag *tag2 = 0)
  42                : TagLib::Tag(),
  43                  tag1(tag1), tag2(tag2) {}
  44
  45     virtual String title() const {
  46       if(tag1 && !tag1->title().isEmpty())
  47           return tag1->title();
  48
  49       if(tag2)
  50           return tag2->title();
  51
  52       return String::null;
  53     }
  54
  55     virtual String artist() const {
  56       if(tag1 && !tag1->artist().isEmpty())
  57           return tag1->artist();
  58
  59       if(tag2)
  60           return tag2->artist();
  61
  62       return String::null;
  63     }
  64
  65     virtual String album() const {
  66       if(tag1 && !tag1->album().isEmpty())
  67           return tag1->album();
  68
  69       if(tag2)
  70           return tag2->album();
  71
  72       return String::null;
  73     }
  74
  75     virtual String comment() const {
  76       if(tag1 && !tag1->comment().isEmpty())
  77           return tag1->comment();
  78
  79       if(tag2)
  80           return tag2->comment();
  81
  82       return String::null;
  83     }
  84
  85     virtual String genre() const {
  86       if(tag1 && !tag1->genre().isEmpty())
  87           return tag1->genre();
  88
  89       if(tag2)
  90           return tag2->genre();
  91
  92       return String::null;
  93     }
  94
  95     virtual TagLib::uint year() const {
  96       if(tag1 && tag1->year() > 0)
  97           return tag1->year();
  98
  99       if(tag2)
 100           return tag2->year();
 101
 102       return 0;
 103     }
 104
 105     virtual TagLib::uint track() const {
 106       if(tag1 && tag1->track() > 0)
 107           return tag1->track();
 108
 109       if(tag2)
 110           return tag2->track();
 111
 112       return 0;
 113     }
 114
 115     virtual void setTitle(const String &s) {
 116       if(tag1)
 117           tag1->setTitle(s);
 118       if(tag2)
 119           tag2->setTitle(s);
 120     }
 121
 122     virtual void setArtist(const String &s) {
 123       if(tag1)
 124           tag1->setArtist(s);
 125       if(tag2)
 126           tag2->setArtist(s);
 127     }
 128
 129     virtual void setAlbum(const String &s) {
 130       if(tag1)
 131           tag1->setAlbum(s);
 132       if(tag2)
 133           tag2->setAlbum(s);
 134     }
 135
 136     virtual void setComment(const String &s) {
 137       if(tag1)
 138           tag1->setComment(s);
 139       if(tag2)
 140           tag2->setComment(s);
 141     }
 142
 143     virtual void setGenre(const String &s) {
 144       if(tag1)
 145           tag1->setGenre(s);
 146       if(tag2)
 147           tag2->setGenre(s);
 148     }
 149
 150     virtual void setYear(uint i) {
 151       if(tag1)
 152           tag1->setYear(i);
 153       if(tag2)
 154           tag2->setYear(i);
 155     }
 156
 157     virtual void setTrack(uint i) {
 158       if(tag1)
 159           tag1->setTrack(i);
 160       if(tag2)
 161           tag2->setTrack(i);
 162     }
 163
 164   private:
 165       Tag *tag1;
 166       Tag *tag2;
 167   };
 168 }
 169
 170 #endif
 171 #endif