mirror of
https://github.com/clementine-player/Clementine
synced 2024-12-23 00:09:14 +01:00
181 lines
5.4 KiB
C++
181 lines
5.4 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 "tag.h"
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#include "tstringlist.h"
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#include "tpropertymap.h"
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using namespace TagLib;
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class Tag::TagPrivate
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{
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};
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Tag::Tag()
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{
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}
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Tag::~Tag()
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{
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}
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bool Tag::isEmpty() const
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{
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return (title().isEmpty() &&
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artist().isEmpty() &&
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album().isEmpty() &&
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comment().isEmpty() &&
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genre().isEmpty() &&
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year() == 0 &&
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track() == 0);
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}
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PropertyMap Tag::properties() const
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{
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PropertyMap map;
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if(!(title().isEmpty()))
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map["TITLE"].append(title());
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if(!(artist().isEmpty()))
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map["ARTIST"].append(artist());
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if(!(album().isEmpty()))
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map["ALBUM"].append(album());
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if(!(comment().isEmpty()))
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map["COMMENT"].append(comment());
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if(!(genre().isEmpty()))
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map["GENRE"].append(genre());
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if(!(year() == 0))
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map["DATE"].append(String::number(year()));
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if(!(track() == 0))
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map["TRACKNUMBER"].append(String::number(track()));
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return map;
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}
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void Tag::removeUnsupportedProperties(const StringList&)
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{
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}
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PropertyMap Tag::setProperties(const PropertyMap &origProps)
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{
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PropertyMap properties(origProps);
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properties.removeEmpty();
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StringList oneValueSet;
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// can this be simplified by using some preprocessor defines / function pointers?
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if(properties.contains("TITLE")) {
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setTitle(properties["TITLE"].front());
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oneValueSet.append("TITLE");
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} else
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setTitle(String());
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if(properties.contains("ARTIST")) {
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setArtist(properties["ARTIST"].front());
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oneValueSet.append("ARTIST");
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} else
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setArtist(String());
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if(properties.contains("ALBUM")) {
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setAlbum(properties["ALBUM"].front());
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oneValueSet.append("ALBUM");
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} else
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setAlbum(String());
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if(properties.contains("COMMENT")) {
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setComment(properties["COMMENT"].front());
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oneValueSet.append("COMMENT");
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} else
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setComment(String());
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if(properties.contains("GENRE")) {
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setGenre(properties["GENRE"].front());
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oneValueSet.append("GENRE");
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} else
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setGenre(String());
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if(properties.contains("DATE")) {
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bool ok;
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int date = properties["DATE"].front().toInt(&ok);
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if(ok) {
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setYear(date);
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oneValueSet.append("DATE");
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} else
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setYear(0);
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}
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else
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setYear(0);
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if(properties.contains("TRACKNUMBER")) {
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bool ok;
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int track = properties["TRACKNUMBER"].front().toInt(&ok);
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if(ok) {
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setTrack(track);
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oneValueSet.append("TRACKNUMBER");
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} else
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setTrack(0);
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}
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else
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setTrack(0);
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// for each tag that has been set above, remove the first entry in the corresponding
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// value list. The others will be returned as unsupported by this format.
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for(StringList::ConstIterator it = oneValueSet.begin(); it != oneValueSet.end(); ++it) {
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if(properties[*it].size() == 1)
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properties.erase(*it);
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else
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properties[*it].erase( properties[*it].begin() );
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}
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return properties;
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}
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void Tag::duplicate(const Tag *source, Tag *target, bool overwrite) // static
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{
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if(overwrite) {
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target->setTitle(source->title());
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target->setArtist(source->artist());
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target->setAlbum(source->album());
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target->setComment(source->comment());
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target->setGenre(source->genre());
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target->setYear(source->year());
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target->setTrack(source->track());
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}
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else {
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if(target->title().isEmpty())
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target->setTitle(source->title());
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if(target->artist().isEmpty())
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target->setArtist(source->artist());
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if(target->album().isEmpty())
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target->setAlbum(source->album());
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if(target->comment().isEmpty())
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target->setComment(source->comment());
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if(target->genre().isEmpty())
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target->setGenre(source->genre());
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if(target->year() <= 0)
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target->setYear(source->year());
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if(target->track() <= 0)
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target->setTrack(source->track());
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}
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}
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