187 lines
5.0 KiB
C++
187 lines
5.0 KiB
C++
/***************************************************************************
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copyright : (C) 2002 - 2008 by Scott Wheeler
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email : wheeler@kde.org
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***************************************************************************/
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/***************************************************************************
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* This library is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License version *
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* 2.1 as published by the Free Software Foundation. *
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* *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this library; if not, write to the Free Software *
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA *
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* 02110-1301 USA *
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* *
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* Alternatively, this file is available under the Mozilla Public *
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* License Version 1.1. You may obtain a copy of the License at *
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* http://www.mozilla.org/MPL/ *
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***************************************************************************/
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#include "tagunion.h"
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#include "tstringlist.h"
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using namespace TagLib;
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#define stringUnion(method) \
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if(tag(0) && !tag(0)->method().isEmpty()) \
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return tag(0)->method(); \
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if(tag(1) && !tag(1)->method().isEmpty()) \
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return tag(1)->method(); \
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if(tag(2) && !tag(2)->method().isEmpty()) \
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return tag(2)->method(); \
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return String::null \
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#define numberUnion(method) \
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if(tag(0) && tag(0)->method() > 0) \
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return tag(0)->method(); \
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if(tag(1) && tag(1)->method() > 0) \
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return tag(1)->method(); \
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if(tag(2) && tag(2)->method() > 0) \
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return tag(2)->method(); \
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return 0
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#define setUnion(method, value) \
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if(tag(0)) \
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tag(0)->set##method(value); \
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if(tag(1)) \
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tag(1)->set##method(value); \
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if(tag(2)) \
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tag(2)->set##method(value); \
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class TagUnion::TagUnionPrivate
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{
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public:
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TagUnionPrivate() : tags(3, static_cast<Tag *>(0))
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{
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}
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~TagUnionPrivate()
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{
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delete tags[0];
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delete tags[1];
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delete tags[2];
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}
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std::vector<Tag *> tags;
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};
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TagUnion::TagUnion(Tag *first, Tag *second, Tag *third)
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{
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d = new TagUnionPrivate;
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d->tags[0] = first;
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d->tags[1] = second;
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d->tags[2] = third;
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}
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TagUnion::~TagUnion()
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{
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delete d;
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}
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Tag *TagUnion::operator[](int index) const
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{
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return tag(index);
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}
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Tag *TagUnion::tag(int index) const
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{
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return d->tags[index];
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}
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void TagUnion::set(int index, Tag *tag)
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{
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delete d->tags[index];
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d->tags[index] = tag;
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}
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String TagUnion::title() const
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{
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stringUnion(title);
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}
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String TagUnion::artist() const
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{
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stringUnion(artist);
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}
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String TagUnion::album() const
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{
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stringUnion(album);
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}
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String TagUnion::comment() const
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{
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stringUnion(comment);
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}
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String TagUnion::genre() const
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{
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stringUnion(genre);
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}
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TagLib::uint TagUnion::year() const
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{
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numberUnion(year);
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}
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TagLib::uint TagUnion::track() const
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{
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numberUnion(track);
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}
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void TagUnion::setTitle(const String &s)
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{
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setUnion(Title, s);
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}
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void TagUnion::setArtist(const String &s)
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{
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setUnion(Artist, s);
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}
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void TagUnion::setAlbum(const String &s)
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{
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setUnion(Album, s);
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}
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void TagUnion::setComment(const String &s)
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{
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setUnion(Comment, s);
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}
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void TagUnion::setGenre(const String &s)
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{
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setUnion(Genre, s);
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}
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void TagUnion::setYear(uint i)
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{
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setUnion(Year, i);
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}
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void TagUnion::setTrack(uint i)
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{
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setUnion(Track, i);
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}
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bool TagUnion::isEmpty() const
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{
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if(d->tags[0] && !d->tags[0]->isEmpty())
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return false;
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if(d->tags[1] && !d->tags[1]->isEmpty())
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return false;
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if(d->tags[2] && !d->tags[2]->isEmpty())
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return false;
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return true;
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}
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