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267 lines
8.3 KiB
267 lines
8.3 KiB
/*
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* (c) 2005 Alexandre Oliveira <aleprj@gmail.com>
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* (c) 2003 Frerich Raabe <raabe@kde.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#define DEBUG_PREFIX "TagGuesser"
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#include "amarok.h"
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#include "debug.h"
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#include "tagguesser.h"
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#include <kapplication.h>
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#include <kconfig.h>
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#include <kglobal.h>
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#include <kmacroexpander.h>
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FileNameScheme::FileNameScheme( const QString &s )
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: m_cod( s )
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, m_titleField( -1 )
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, m_artistField( -1 )
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, m_albumField( -1 )
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, m_trackField( -1 )
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, m_commentField( -1 )
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, m_yearField( -1 )
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, m_composerField( -1 )
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, m_genreField( -1 )
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{
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int artist = s.find( "%artist" );
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int title = s.find( "%title" );
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int track = s.find( "%track" );
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int album = s.find( "%album" );
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int comment = s.find( "%comment" );
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int year = s.find( "%year" );
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int composer = s.find( "%composer" );
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int genre = s.find( "%genre" );
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int fieldNumber = 1;
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int i = s.find( '%' );
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while ( i > -1 ) {
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if ( title == i )
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m_titleField = fieldNumber++;
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if ( artist == i )
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m_artistField = fieldNumber++;
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if ( album == i )
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m_albumField = fieldNumber++;
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if ( track == i )
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m_trackField = fieldNumber++;
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if ( comment == i )
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m_commentField = fieldNumber++;
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if ( year == i )
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m_yearField = fieldNumber++;
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if ( composer == i )
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m_composerField = fieldNumber++;
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if ( genre == i )
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m_genreField = fieldNumber++;
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i = s.find('%', i + 1);
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}
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m_regExp.setPattern( composeRegExp( s ) );
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}
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bool FileNameScheme::matches( const QString &fileName ) const
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{
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/* Strip extension ('.mp3') because '.' may be part of a title, and thus
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* does not work as a separator.
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*/
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QString stripped = fileName;
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stripped.truncate( stripped.findRev( '.' ) );
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return m_regExp.exactMatch( stripped );
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}
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QString FileNameScheme::title() const
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{
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if( m_titleField == -1 )
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return QString();
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return m_regExp.capturedTexts()[ m_titleField ];
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}
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QString FileNameScheme::artist() const
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{
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if( m_artistField == -1 )
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return QString();
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return m_regExp.capturedTexts()[ m_artistField ];
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}
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QString FileNameScheme::album() const
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{
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if( m_albumField == -1 )
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return QString();
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return m_regExp.capturedTexts()[ m_albumField ];
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}
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QString FileNameScheme::track() const
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{
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if( m_trackField == -1 )
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return QString();
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return m_regExp.capturedTexts()[ m_trackField ];
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}
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QString FileNameScheme::comment() const
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{
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if( m_commentField == -1 )
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return QString();
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return m_regExp.capturedTexts()[ m_commentField ];
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}
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QString FileNameScheme::year() const
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{
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if( m_yearField == -1 )
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return QString();
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return m_regExp.capturedTexts()[ m_yearField ];
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}
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QString FileNameScheme::composer() const
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{
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if( m_composerField == -1 )
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return QString();
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return m_regExp.capturedTexts()[ m_composerField ];
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}
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QString FileNameScheme::genre() const
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{
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if( m_genreField == -1 )
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return QString();
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return m_regExp.capturedTexts()[ m_genreField ];
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}
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QString FileNameScheme::composeRegExp( const QString &s ) const
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{
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QMap<QString, QString> substitutions;
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KConfigGroup config(KGlobal::config(), "TagGuesser");
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substitutions[ "title" ] = config.readEntry( "Title regexp", "([\\w\\s'&_,\\.]+)" );
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substitutions[ "artist" ] = config.readEntry( "Artist regexp", "([\\w\\s'&_,\\.]+)" );
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substitutions[ "album" ] = config.readEntry( "Album regexp", "([\\w\\s'&_,\\.]+)" );
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substitutions[ "track" ] = config.readEntry( "Track regexp", "(\\d+)" );
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substitutions[ "comment" ] = config.readEntry( "Comment regexp", "([\\w\\s_]+)" );
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substitutions[ "year" ] = config.readEntry( "Year regexp", "(\\d+)" );
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substitutions[ "composer" ] = config.readEntry( "Composer regexp", "([\\w\\s'&_,\\.]+)" );
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substitutions[ "genre" ] = config.readEntry( "Genre regexp", "([\\w\\s'&_,\\.]+)" );
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QString regExp = QRegExp::escape( s.simplifyWhiteSpace() );
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regExp = ".*" + regExp;
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regExp.replace( ' ', "\\s+" );
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regExp = KMacroExpander::expandMacros( regExp, substitutions );
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regExp += "[^/]*$";
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return regExp;
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}
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QStringList TagGuesser::schemeStrings()
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{
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QStringList schemes;
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schemes = Amarok::config( "TagGuesser" )->readListEntry( "Filename schemes" );
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if ( schemes.isEmpty() ) {
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schemes += "%track - %title";
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schemes += "%artist - (%track) - %title [%comment]";
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schemes += "%artist - (%track) - %title (%comment)";
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schemes += "%artist - (%track) - %title";
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schemes += "%artist - [%track] - %title [%comment]";
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schemes += "%artist - [%track] - %title (%comment)";
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schemes += "%artist - [%track] - %title";
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schemes += "%artist - %track - %title [%comment]";
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schemes += "%artist - %track - %title (%comment)";
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schemes += "%artist - %track - %title";
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schemes += "(%track) %artist - %title [%comment]";
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schemes += "(%track) %artist - %title (%comment)";
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schemes += "(%track) %artist - %title";
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schemes += "[%track] %artist - %title [%comment]";
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schemes += "[%track] %artist - %title (%comment)";
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schemes += "[%track] %artist - %title";
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schemes += "%track %artist - %title [%comment]";
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schemes += "%track %artist - %title (%comment)";
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schemes += "%track %artist - %title";
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schemes += "(%artist) %title [%comment]";
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schemes += "(%artist) %title (%comment)";
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schemes += "(%artist) %title";
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schemes += "%artist - %title [%comment]";
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schemes += "%artist - %title (%comment)";
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schemes += "%artist - %title";
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schemes += "%artist/%album/[%track] %title [%comment]";
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schemes += "%artist/%album/[%track] %title (%comment)";
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schemes += "%artist/%album/[%track] %title";
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}
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return schemes;
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}
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void TagGuesser::setSchemeStrings( const QStringList &schemes )
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{
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KConfig *cfg = KGlobal::config();
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{
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KConfigGroupSaver saver( cfg, "TagGuesser" );
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cfg->writeEntry( "Filename schemes", schemes );
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}
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cfg->sync();
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}
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TagGuesser::TagGuesser()
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{
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loadSchemes();
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}
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TagGuesser::TagGuesser( const QString &absFileName )
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{
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loadSchemes();
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guess( absFileName );
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}
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void TagGuesser::loadSchemes()
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{
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const QStringList schemes = schemeStrings();
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QStringList::ConstIterator it = schemes.begin();
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QStringList::ConstIterator end = schemes.end();
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for ( ; it != end; ++it )
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m_schemes += FileNameScheme( *it );
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}
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void TagGuesser::guess( const QString &absFileName )
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{
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m_title = m_artist = m_album = m_track = m_comment = m_year = m_composer = m_genre = QString::null;
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FileNameScheme::List::ConstIterator it = m_schemes.begin();
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FileNameScheme::List::ConstIterator end = m_schemes.end();
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for ( ; it != end; ++it ) {
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const FileNameScheme schema( *it );
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if( schema.matches( absFileName ) ) {
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debug() <<"Schema used: " << " " << schema.pattern() <<endl;
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m_title = capitalizeWords( schema.title().replace( '_', " " ) ).stripWhiteSpace();
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m_artist = capitalizeWords( schema.artist().replace( '_', " " ) ).stripWhiteSpace();
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m_album = capitalizeWords( schema.album().replace( '_', " " ) ).stripWhiteSpace();
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m_track = schema.track().stripWhiteSpace();
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m_comment = schema.comment().replace( '_', " " ).stripWhiteSpace();
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m_year = schema.year().stripWhiteSpace();
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m_composer = capitalizeWords( schema.composer().replace( '_', " " ) ).stripWhiteSpace();
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m_genre = capitalizeWords( schema.genre().replace( '_', " " ) ).stripWhiteSpace();
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break;
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}
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}
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}
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QString TagGuesser::capitalizeWords( const QString &s )
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{
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if( s.isEmpty() )
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return s;
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QString result = s;
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result[ 0 ] = result[ 0 ].upper();
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const QRegExp wordRegExp( "\\s\\w" );
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int i = result.find( wordRegExp );
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while ( i > -1 ) {
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result[ i + 1 ] = result[ i + 1 ].upper();
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i = result.find( wordRegExp, ++i );
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}
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return result;
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}
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