C++ query_ptr::album方法代码示例

void
ScriptEngine::resolve( const Tomahawk::query_ptr& query )
{
    qDebug() << Q_FUNC_INFO << query->toString();
    QString eval = QString( "resolve( '%1', '%2', '%3', '%4' );" )
                      .arg( query->id().replace( "'", "\\'" ) )
                      .arg( query->artist().replace( "'", "\\'" ) )
                      .arg( query->album().replace( "'", "\\'" ) )
                      .arg( query->track().replace( "'", "\\'" ) );

    QList< Tomahawk::result_ptr > results;

    QVariantMap m = mainFrame()->evaluateJavaScript( eval ).toMap();
    qDebug() << "JavaScript Result:" << m;

    const QString qid = query->id();
    const QVariantList reslist = m.value( "results" ).toList();

    foreach( const QVariant& rv, reslist )
    {
        QVariantMap m = rv.toMap();
        qDebug() << "RES" << m;

        Tomahawk::result_ptr rp( new Tomahawk::Result() );
        Tomahawk::artist_ptr ap = Tomahawk::Artist::get( 0, m.value( "artist" ).toString() );
        rp->setArtist( ap );
        rp->setAlbum( Tomahawk::Album::get( 0, m.value( "album" ).toString(), ap ) );
        rp->setTrack( m.value( "track" ).toString() );
        rp->setBitrate( m.value( "bitrate" ).toUInt() );
        rp->setUrl( m.value( "url" ).toString() );
        rp->setSize( m.value( "size" ).toUInt() );
        rp->setScore( m.value( "score" ).toFloat() * ( (float)m_parent->weight() / 100.0 ) );
        rp->setRID( uuid() );
        rp->setFriendlySource( m_parent->name() );

        if ( m.contains( "year" ) )
        {
            QVariantMap attr;
            attr[ "releaseyear" ] = m.value( "year" );
            rp->setAttributes( attr );
        }

        rp->setDuration( m.value( "duration", 0 ).toUInt() );
        if ( rp->duration() <= 0 && m.contains( "durationString" ) )
        {
            QTime time = QTime::fromString( m.value( "durationString" ).toString(), "hh:mm:ss" );
            rp->setDuration( time.secsTo( QTime( 0, 0 ) ) * -1 );
        }

        rp->setMimetype( m.value( "mimetype" ).toString() );
        if ( rp->mimetype().isEmpty() )
        {
            rp->setMimetype( TomahawkUtils::extensionToMimetype( m.value( "extension" ).toString() ) );
            Q_ASSERT( !rp->mimetype().isEmpty() );
        }

        results << rp;
    }

void
QtScriptResolver::resolve( const Tomahawk::query_ptr& query )
{
    if ( QThread::currentThread() != thread() )
    {
        QMetaObject::invokeMethod( this, "resolve", Qt::QueuedConnection, Q_ARG(Tomahawk::query_ptr, query) );
        return;
    }

    QString eval;
    if ( !query->isFullTextQuery() )
    {
        eval = QString( RESOLVER_LEGACY_CODE2 "resolver.resolve( '%1', '%2', '%3', '%4' );" )
               .arg( query->id().replace( "'", "\\'" ) )
               .arg( query->artist().replace( "'", "\\'" ) )
               .arg( query->album().replace( "'", "\\'" ) )
               .arg( query->track().replace( "'", "\\'" ) );
    }
    else
    {
        eval = QString( "if(Tomahawk.resolver.instance !== undefined) {"
                        "   resolver.search( '%1', '%2' );"
                        "} else {"
                        "   resolve( '%1', '', '', '%2' );"
                        "}"
                      )
               .arg( query->id().replace( "'", "\\'" ) )
               .arg( query->fullTextQuery().replace( "'", "\\'" ) );
    }

    QVariantMap m = m_engine->mainFrame()->evaluateJavaScript( eval ).toMap();

    if( m.isEmpty() )
    {
        // if the resolver doesn't return anything, async api is used
        return;
    }

    qDebug() << "JavaScript Result:" << m;

    const QString qid = query->id();
    const QVariantList reslist = m.value( "results" ).toList();

    QList< Tomahawk::result_ptr > results = parseResultVariantList( reslist );

    Tomahawk::Pipeline::instance()->reportResults( qid, results );
}

// TODO make clever (ft. featuring live (stuff) etc)
float
DatabaseCommand_Resolve::how_similar( const Tomahawk::query_ptr& q, const Tomahawk::result_ptr& r )
{
    // query values
    const QString qArtistname = DatabaseImpl::sortname( q->artist() );
    const QString qAlbumname  = DatabaseImpl::sortname( q->album() );
    const QString qTrackname  = DatabaseImpl::sortname( q->track() );

    // result values
    const QString rArtistname = DatabaseImpl::sortname( r->artist()->name() );
    const QString rAlbumname  = DatabaseImpl::sortname( r->album()->name() );
    const QString rTrackname  = DatabaseImpl::sortname( r->track() );

    // normal edit distance
    int artdist = levenshtein( qArtistname, rArtistname );
    int albdist = levenshtein( qAlbumname, rAlbumname );
    int trkdist = levenshtein( qTrackname, rTrackname );

    // max length of name
    int mlart = qMax( qArtistname.length(), rArtistname.length() );
    int mlalb = qMax( qAlbumname.length(), rAlbumname.length() );
    int mltrk = qMax( qTrackname.length(), rTrackname.length() );

    // distance scores
    float dcart = (float)( mlart - artdist ) / mlart;
    float dcalb = (float)( mlalb - albdist ) / mlalb;
    float dctrk = (float)( mltrk - trkdist ) / mltrk;

    // don't penalize for missing album name
    if( qAlbumname.length() == 0 )
        dcalb = 1.0;

    // weighted, so album match is worth less than track title
    float combined = ( dcart*4 + dcalb + dctrk*5 ) / 10;
    return combined;
}