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diff --git a/extra/kde301/ksycocafactory.h b/extra/kde301/ksycocafactory.h
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+++ b/extra/kde301/ksycocafactory.h
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+/*  This file is part of the KDE libraries
+ *  Copyright (C) 1999 Waldo Bastian <bastian@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 version 2 as published by the Free Software Foundation;
+ *
+ *  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., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+ **/
+
+#ifndef __ksycocafactory_h__
+#define __ksycocafactory_h__ "$Id: ksycocafactory.h,v 1.12 2002/03/03 21:20:26 lunakl Exp $"
+
+#include "ksycocatype.h"
+#include "ksycocaentry.h"
+
+#include <qdict.h>
+#include <qptrlist.h>
+class KSycoca;
+class QStringList;
+class QString;
+class KSycocaDict;
+class KSycocaResourceList;
+
+typedef QDict<KSycocaEntry::Ptr> KSycocaEntryDict;
+
+/**
+ * @internal
+ * Base class for sycoca factories
+ */
+class KSycocaFactory
+{
+public:
+   virtual KSycocaFactoryId factoryId() const = 0;
+ 
+protected: // virtual class
+   /**
+    * Create a factory which can be used to lookup from/create a database
+    * (depending on KSycoca::isBuilding())
+    */
+   KSycocaFactory( KSycocaFactoryId factory_id );
+
+public:
+   virtual ~KSycocaFactory();
+
+   /**
+    * @return the position of the factory in the sycoca file
+    */
+   int offset() { return mOffset; }
+
+   /**
+    * @return the dict, for special use by KBuildSycoca
+    */
+   KSycocaEntryDict * entryDict() { return m_entryDict; }
+
+   /**
+    * Construct an entry from a config file.
+    * To be implemented in the real factories.
+    */
+   virtual KSycocaEntry *createEntry(const QString &file, const char *resource) = 0;
+
+   /**
+    * Add an entry
+    */
+   virtual void addEntry(KSycocaEntry *newEntry, const char *resource);
+
+   /**
+    * Read an entry from the database
+    */
+   virtual KSycocaEntry *createEntry(int offset)=0;
+
+   /**
+    * Get a list of all entries from the database.
+    */
+   KSycocaEntry::List allEntries();
+
+   /**
+    * Saves all entries it maintains as well as index files
+    * for these entries to the stream 'str'.
+    *
+    * Also sets mOffset to the starting position.
+    *
+    * The stream is positioned at the end of the last index.
+    *
+    * Don't forget to call the parent first when you override 
+    * this function.
+    */
+   virtual void save(QDataStream &str);
+
+   /**
+    * Writes out a header to the stream 'str'.
+    * The baseclass positions the stream correctly.
+    *
+    * Don't forget to call the parent first when you override 
+    * this function.
+    */
+   virtual void saveHeader(QDataStream &str);
+
+   /**
+    * @return the resources for which this factory is responsible.
+    */
+   virtual const KSycocaResourceList * resourceList() const { return m_resourceList; }
+
+private:
+   int mOffset;
+
+protected:
+   int m_sycocaDictOffset;
+   int m_beginEntryOffset;
+   int m_endEntryOffset;
+   QDataStream *m_str;
+
+   KSycocaResourceList *m_resourceList;
+   KSycocaEntryDict *m_entryDict;
+   KSycocaDict *m_sycocaDict;
+protected:
+   virtual void virtual_hook( int id, void* data );
+};
+
+// This, instead of a typedef, allows to declare "class ..." in header files
+class KSycocaFactoryList : public QPtrList<KSycocaFactory>
+{
+public:
+   KSycocaFactoryList() { }
+};
+
+#endif