git.maemo.org Git - someplayer/blob - src/taglib/tag.cpp

   1 /***************************************************************************
   2     copyright            : (C) 2002 - 2008 by Scott Wheeler
   3     email                : wheeler@kde.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   *
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  19  *   USA                                                                   *
  20  *                                                                         *
  21  *   Alternatively, this file is available under the Mozilla Public        *
  22  *   License Version 1.1.  You may obtain a copy of the License at         *
  23  *   http://www.mozilla.org/MPL/                                           *
  24  ***************************************************************************/
  25
  26 #include "tag.h"
  27
  28 using namespace TagLib;
  29
  30 class Tag::TagPrivate
  31 {
  32
  33 };
  34
  35 Tag::Tag()
  36 {
  37
  38 }
  39
  40 Tag::~Tag()
  41 {
  42
  43 }
  44
  45 bool Tag::isEmpty() const
  46 {
  47   return (title().isEmpty() &&
  48           artist().isEmpty() &&
  49           album().isEmpty() &&
  50           comment().isEmpty() &&
  51           genre().isEmpty() &&
  52           year() == 0 &&
  53           track() == 0);
  54 }
  55
  56 void Tag::duplicate(const Tag *source, Tag *target, bool overwrite) // static
  57 {
  58   if(overwrite) {
  59     target->setTitle(source->title());
  60     target->setArtist(source->artist());
  61     target->setAlbum(source->album());
  62     target->setComment(source->comment());
  63     target->setGenre(source->genre());
  64     target->setYear(source->year());
  65     target->setTrack(source->track());
  66   }
  67   else {
  68     if(target->title().isEmpty())
  69       target->setTitle(source->title());
  70     if(target->artist().isEmpty())
  71       target->setArtist(source->artist());
  72     if(target->album().isEmpty())
  73       target->setAlbum(source->album());
  74     if(target->comment().isEmpty())
  75       target->setComment(source->comment());
  76     if(target->genre().isEmpty())
  77       target->setGenre(source->genre());
  78     if(target->year() <= 0)
  79       target->setYear(source->year());
  80     if(target->track() <= 0)
  81       target->setTrack(source->track());
  82   }
  83 }