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/*
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Copyright (c) 2006 Nikolaj Hald Nielsen <nhnFreespirit@gmail.com>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but 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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "amarok.h"
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#include "debug.h"
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#include "magnatunedatabasehandler.h"
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#include "magnatunexmlparser.h"
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#include "statusbar.h"
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MagnatuneXmlParser::MagnatuneXmlParser( TQString filename )
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: ThreadManager::Job( "MagnatuneXmlParser" )
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{
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m_currentArtist = "";
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m_sFileName = filename;
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}
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MagnatuneXmlParser::~MagnatuneXmlParser()
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{}
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bool
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MagnatuneXmlParser::doJob( )
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{
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readConfigFile( m_sFileName );
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return true;
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}
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void
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MagnatuneXmlParser::completeJob( )
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{
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Amarok::StatusBar::instance() ->longMessage(
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i18n( "Magnatune.com database update complete. Added %1 tracks on %2 albums from %3 artists" )
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.arg( m_nNumberOfTracks )
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.arg( m_nNumberOfAlbums )
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.arg( m_nNumberOfArtists ), KDE::StatusBar::Information );
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emit( doneParsing() );
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}
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void
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MagnatuneXmlParser::readConfigFile( TQString filename )
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{
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m_nNumberOfTracks = 0;
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m_nNumberOfAlbums = 0;
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m_nNumberOfArtists = 0;
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TQDomDocument doc( "config" );
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TQFile file( filename );
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if ( !file.open( IO_ReadOnly ) )
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return ;
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if ( !doc.setContent( &file ) )
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{
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file.close();
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return ;
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}
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file.close();
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MagnatuneDatabaseHandler::instance() ->destroyDatabase();
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MagnatuneDatabaseHandler::instance() ->createDatabase();
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//run through all the elements
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TQDomElement docElem = doc.documentElement();
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MagnatuneDatabaseHandler::instance() ->begin(); //start transaction (MAJOR speedup!!)
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parseElement( docElem );
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MagnatuneDatabaseHandler::instance() ->commit(); //complete transaction
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return ;
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}
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void
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MagnatuneXmlParser::parseElement( TQDomElement e )
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{
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TQString sElementName = e.tagName();
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sElementName == "Album" ?
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parseAlbum( e ) :
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parseChildren( e );
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}
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void
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MagnatuneXmlParser::parseChildren( TQDomElement e )
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{
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TQDomNode n = e.firstChild();
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while ( !n.isNull() )
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{
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if ( n.isElement() )
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parseElement( n.toElement() );
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n = n.nextSibling();
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}
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}
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void
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MagnatuneXmlParser::parseAlbum( TQDomElement e )
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{
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m_pCurrentAlbum = new MagnatuneAlbum();
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m_pCurrentArtist = new MagnatuneArtist();
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TQString sElementName;
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TQDomNode n = e.firstChild();
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TQDomElement childElement;
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while ( !n.isNull() )
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{
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if ( n.isElement() )
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{
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childElement = n.toElement();
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TQString sElementName = childElement.tagName();
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if ( sElementName == "albumname" )
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//printf(("|--+" + childElement.text() + "\n").ascii());
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//m_currentAlbumItem = new MagnatuneListViewAlbumItem( m_currentArtistItem);
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m_pCurrentAlbum->setName( childElement.text() );
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else if ( sElementName == "albumsku" )
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m_pCurrentAlbum->setAlbumCode( childElement.text() );
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else if ( sElementName == "magnatunegenres" )
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m_pCurrentAlbum->setMagnatuneGenres( childElement.text() );
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else if ( sElementName == "launchdate" )
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{
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TQString dateString = childElement.text();
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TQDate date = TQDate::fromString( dateString, TQt::ISODate );
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m_pCurrentAlbum->setLaunchDate( date );
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}
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else if ( sElementName == "cover_small" )
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m_pCurrentAlbum->setCoverURL( childElement.text() );
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else if ( sElementName == "artist" )
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m_pCurrentArtist->setName( childElement.text() );
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else if ( sElementName == "artistdesc" )
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m_pCurrentArtist->setDescription( childElement.text() );
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else if ( sElementName == "artistphoto" )
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m_pCurrentArtist->setPhotoURL( childElement.text() );
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else if ( sElementName == "mp3genre" )
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m_pCurrentAlbum->setMp3Genre( childElement.text() );
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else if ( sElementName == "home" )
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m_pCurrentArtist->setHomeURL( childElement.text() );
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else if ( sElementName == "Track" )
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parseTrack( childElement );
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}
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n = n.nextSibling();
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}
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// now we should have gathered all info about current album (and artist)...
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//Time to add stuff to the database
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//check if artist already exists, if not, create him/her/them/it
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int artistId = MagnatuneDatabaseHandler::instance() ->getArtistIdByExactName( m_pCurrentArtist->getName() );
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if ( artistId == -1 )
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{
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//does not exist, lets create it...
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//this is tricky in postgresql, returns id as 0 (we are within a transaction, might be the cause...)
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artistId = MagnatuneDatabaseHandler::instance()->insertArtist( m_pCurrentArtist );
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m_nNumberOfArtists++;
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if ( artistId == 0 )
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{
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artistId = MagnatuneDatabaseHandler::instance() ->getArtistIdByExactName( m_pCurrentArtist->getName() );
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}
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}
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int albumId = MagnatuneDatabaseHandler::instance()->insertAlbum( m_pCurrentAlbum, artistId );
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if ( albumId == 0 ) // again, postgres can play tricks on us...
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{
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albumId = MagnatuneDatabaseHandler::instance()->getAlbumIdByAlbumCode( m_pCurrentAlbum->getAlbumCode() );
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}
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m_nNumberOfAlbums++;
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MagnatuneTrackList::iterator it;
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for ( it = m_currentAlbumTracksList.begin(); it != m_currentAlbumTracksList.end(); ++it )
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{
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MagnatuneDatabaseHandler::instance() ->insertTrack( &( *it ), albumId, artistId );
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m_nNumberOfTracks++;
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}
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m_currentAlbumTracksList.clear();
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}
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void
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MagnatuneXmlParser::parseTrack( TQDomElement e )
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{
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TQString trackName;
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TQString trackNumber;
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TQString streamingUrl;
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TQString sElementName;
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TQDomElement childElement;
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MagnatuneTrack currentTrack;
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TQDomNode n = e.firstChild();
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while ( !n.isNull() )
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{
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if ( n.isElement() )
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{
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childElement = n.toElement();
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TQString sElementName = childElement.tagName();
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if ( sElementName == "trackname" )
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{
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currentTrack.setName( childElement.text() );
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}
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else if ( sElementName == "url" )
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{
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currentTrack.setHifiURL( childElement.text() );
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}
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else if ( sElementName == "mp3lofi" )
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{
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currentTrack.setLofiURL( childElement.text() );
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}
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else if ( sElementName == "tracknum" )
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{
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currentTrack.setTrackNumber( childElement.text().toInt() );
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}
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else if ( sElementName == "seconds" )
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{
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currentTrack.setDuration( childElement.text().toInt() );
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}
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}
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n = n.nextSibling();
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}
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m_currentAlbumTracksList.append( currentTrack );
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}
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#include "magnatunexmlparser.moc"
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