1 files changed, 131 insertions, 0 deletions
diff --git a/libkcddb/cache.cpp b/libkcddb/cache.cpp
new file mode 100644
index 00000000..1dda49e4
--- /dev/null
+++ b/libkcddb/cache.cpp
@@ -0,0 +1,131 @@
+/*
+  Copyright (C) 2002 Rik Hemsley (rikkus) <rik@kde.org>
+  Copyright (C) 2002 Benjamin Meyer <ben-devel@meyerhome.net>
+  Copyright (C) 2002 Nadeem Hasan <nhasan@kde.org>
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Library General Public
+  License as published by the Free Software Foundation; either
+  version 2 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Library General Public License for more details.
+
+  You should have received a copy of the GNU Library General Public License
+  along with this library; see the file COPYING.LIB.  If not, write to
+  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+  Boston, MA 02111-1307, USA.
+*/
+
+#include <kdebug.h>
+#include <kstandarddirs.h>
+
+#include <qfile.h>
+#include <qdir.h>
+
+#include "cache.h"
+#include "config.h"
+
+namespace KCDDB
+{
+    QString
+  Cache::fileName( const QString &category, const QString &discid, const QString &cacheDir )
+  {
+    QDir dir( cacheDir );
+    if ( !dir.exists( category ) )
+      dir.mkdir( category );
+
+    return cacheDir + "/" + category + "/" + discid;
+  }
+
+    CDInfoList
+  Cache::lookup( const QString &cddbId )
+  {
+    kdDebug(60010) << "Looking up " << cddbId << " in CDDB cache" << endl;
+
+    CDInfoList infoList;
+    Config c;
+    c.readConfig();
+    QStringList cddbCacheDirs = c.cacheLocations();
+
+    for (QStringList::Iterator cddbCacheDir = cddbCacheDirs.begin();
+        cddbCacheDir != cddbCacheDirs.end(); ++cddbCacheDir)
+    {
+      QDir dir( *cddbCacheDir );
+      QStringList dirList = dir.entryList( QDir::Dirs );
+
+      QStringList::ConstIterator it = dirList.begin();
+
+      while ( it != dirList.end() )
+      {
+        QString category( *it );
+        if ( category[ 0 ] != '.' )
+        {
+          QFile f( *cddbCacheDir + "/" + category + "/" + cddbId );
+          if ( f.exists() && f.open(IO_ReadOnly) )
+          {
+              QTextStream ts(&f);
+              ts.setEncoding(QTextStream::UnicodeUTF8);
+              QString cddbData = ts.read();
+              f.close();
+              CDInfo info;
+              info.load(cddbData);
+              info.category = category;
+
+              infoList.append( info );
+          }
+        }
+        ++it;
+      }
+    }
+
+    return infoList;
+  }
+
+    void
+  Cache::store(const CDInfoList& list)
+  {
+    CDInfoList::ConstIterator it=list.begin(); 
+    while (it!=list.end())
+    {
+      CDInfo info( *it );
+      store(info);
+      ++it;
+    }
+  }
+
+    void
+  Cache::store(const CDInfo& info)
+  {
+    Config c;
+    c.readConfig();
+
+    QString cacheDir = c.cacheLocations().first();
+    QDir d(cacheDir);
+    if (!d.exists())
+      d.mkdir(cacheDir);
+
+    // The same entry can contain several discids (separated by a ','),
+    // so we save the entry to all of them
+    QStringList discids = QStringList::split(',', info.id);
+    for (QStringList::Iterator it = discids.begin(); it != discids.end(); ++it)
+    {
+      QString cacheFile = fileName(info.category, *it, cacheDir);
+
+      kdDebug(60010) << "Storing " << cacheFile << " in CDDB cache" << endl;
+
+      QFile f(cacheFile);
+      if ( f.open(IO_WriteOnly) )
+      {
+        QTextStream ts(&f);
+        ts.setEncoding(QTextStream::UnicodeUTF8);
+        ts << info.toString();
+        f.close();
+      }
+    }
+  }
+}
+
+// vim:tabstop=2:shiftwidth=2:expandtab:cinoptions=(s,U1,m1