File indexing completed on 2024-04-28 08:46:49

 /*
     SPDX-FileCopyrightText: 2002 Rik Hemsley (rikkus) <rik@kde.org>
     SPDX-FileCopyrightText: 2002 Benjamin Meyer <ben-devel@meyerhome.net>
     SPDX-FileCopyrightText: 2002 Nadeem Hasan <nhasan@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "cddb.h"
 
 #include "categories.h"
 #include "kcddbi18n.h"
 
 
 #include <QStringList>
 
 namespace KCDDB
 {
   CDDB::CDDB()
     : user_( QLatin1String( "libkcddb-user" ) ),
       localHostName_( QLatin1String( "localHost" ) ),
       readOnly_( false )
   {
 
   }
 
   CDDB::~CDDB()
   {
     // Empty.
   }
 
     QString
   CDDB::trackOffsetListToId()
   {
     return trackOffsetListToId( trackOffsetList_ );
   }
     QString
   CDDB::trackOffsetListToId( const TrackOffsetList & list )
   {
     // Taken from version by Michael Matz in kio_audiocd.
     unsigned int id = 0;
     if ( list.isEmpty() )
         return QString();
     int numTracks = list.count() - 1;
 
     // The last two in the list are disc begin and disc end.
     for ( int i = numTracks-1; i >= 0; i-- )
     {
       int n = list[ i ]/75;
       while ( n > 0 )
       {
         id += n % 10;
         n /= 10;
       }
     }
 
     unsigned int l = list[numTracks] / 75;
     l -= list[0] / 75;
 
     id = ( ( id % 255 ) << 24 ) | ( l << 8 ) | numTracks;
 
     return QString::number( id, 16 ).rightJustified( 8, QLatin1Char( '0' ) );
   }
 
     QString
   CDDB::trackOffsetListToString()
   {
     QString ret;
     uint numTracks = trackOffsetList_.count()-1;
 
     // Disc start.
     ret.append( QString::number( numTracks ) );
     ret.append( QLatin1String( " " ) );
 
     for ( uint i = 0; i < numTracks; i++ )
     {
       ret.append( QString::number( trackOffsetList_[ i ] ) );
       ret.append( QLatin1String( " " ) );
     }
 
     unsigned int discLengthInSec = ( trackOffsetList_[ numTracks ] ) / 75;
 
     ret.append( QString::number( discLengthInSec ) );
 
     return ret;
   }
 
     uint
   CDDB::statusCode( const QString & line )
   {
     const QStringList tokenList = line.split(QLatin1Char( ' ' ), Qt::SkipEmptyParts );
 
     if (tokenList.isEmpty())
         return 410;
 
     return tokenList[ 0 ].toUInt();
   }
 
     CDInfoList
   CDDB::cacheFiles(const TrackOffsetList &offsetList, const Config& config )
   {
     Categories c;
     QStringList categories = c.cddbList();
     // Also load user-created entries
     categories << QLatin1String( "user" );
 
     CDInfoList infoList;
     QStringList cddbCacheDirs = config.cacheLocations();
 
     for (QStringList::const_iterator cddbCacheDir = cddbCacheDirs.constBegin();
         cddbCacheDir != cddbCacheDirs.constEnd(); ++cddbCacheDir)
     {
       for (const QString &category : qAsConst(categories)) {
         QFile f( *cddbCacheDir + QLatin1Char( '/' ) + category + QLatin1Char( '/' ) + trackOffsetListToId(offsetList) );
         if ( f.exists() && f.open(QIODevice::ReadOnly) )
         {
             QTextStream ts(&f);
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
             ts.setCodec("UTF-8");
 #endif
             QString cddbData = ts.readAll();
             f.close();
             CDInfo info;
             info.load(cddbData);
             if (category != QLatin1String( "user" ))
             {
               info.set(Category,category);
               info.set(QLatin1String( "source" ), QLatin1String( "freedb" ));
             }
             else
             {
               info.set(QLatin1String( "source" ), QLatin1String( "user" ));
             }
 
             infoList.append( info );
         }
       }
     }
 
     return infoList;
   }
 }
 
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