--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/cache/inc/HttpCacheLookupTable.h	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,267 @@
+/*
+* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Definition of CHttpCacheLookupTable
+*
+*/
+
+#ifndef CHTTPCACHELOOKUPTABLE_H
+#define CHTTPCACHELOOKUPTABLE_H
+
+//  INCLUDES
+#include <e32base.h>
+#include <s32file.h>
+
+// CONSTANTS
+
+// MACROS
+
+// DATA TYPES
+
+// FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+class CHttpCacheEntry;
+class RFileWriteStream;
+class RFileReadStream;
+class CHttpCacheEvictionHandler;
+class CHttpCacheStreamHandler;
+
+// CLASS DECLARATION
+
+/**
+*
+*  @lib
+*  @since 3.1
+*/
+class CHttpCacheLookupTable : public CBase
+    {
+    public:  // Constructors and destructor
+        
+        /**
+        * Two-phased constructor.
+        * @since 3.1
+        * @param
+        * @param
+        * @return CHttpCacheLookupTable object.
+        */
+        static CHttpCacheLookupTable* NewL( CHttpCacheEvictionHandler& aEvictionHandler, CHttpCacheStreamHandler& aStreamHandler );
+        
+        /**
+        * Destructor.
+        */
+        virtual ~CHttpCacheLookupTable();
+        
+    public: // new functions
+    
+        /**
+        *
+        * @since 3.1
+        * @param
+        * @return
+        */
+        CHttpCacheEntry* InsertL( const TDesC8& aUrl );
+        
+        /**
+        *
+        * @since 3.1
+        * @param
+        * @return
+        */
+        CHttpCacheEntry* Find( const TDesC8& aUrl );
+        
+        /**
+        *
+        * @since 3.1
+        * @param
+        * @return
+        */
+        TInt Remove( const TDesC8& aUrl );
+        
+        /**
+        *
+        * @since 3.1
+        * @param
+        * @return
+        */
+        TInt RemoveAll();
+        
+        /**
+        *
+        * @since 7.1
+        * @param
+        * @return
+        */
+        TInt CHttpCacheLookupTable::ListFiles( RPointerArray<TDesC>& aFilenameList );
+        
+        /**
+        *
+        * @since 3.1
+        * @param
+        * @return
+        */
+        const CArrayPtrFlat<CHttpCacheEntry>& Entries() const { return *iEntries; }
+        
+        /**
+        *
+        * @since 3.1
+        * @param
+        * @return
+        */
+        void EraseCorruptEntry( const TDesC8& aUrl );
+        
+        /**
+        *
+        * @since 3.1
+        * @param
+        * @return
+        */
+        void InternalizeL( RFileReadStream& aReadStream, const TDesC& aDirectory );
+        
+        /**
+        *
+        * @since 3.1
+        * @param
+        * @return
+        */
+        void ExternalizeL( RFileWriteStream& aWriteStream );
+        
+        /**
+        *
+        * @since 3.1
+        * @param
+        * @return
+        */
+        void MergeL( CHttpCacheLookupTable* aHttpCacheLookupTable, RFs aRfs  );
+        
+    private:
+        
+        /**
+        * Construct.
+        * @since 3.1
+        * @param
+        * @param
+        * @return CHttpCacheLookupTable object.
+        */
+        CHttpCacheLookupTable( CHttpCacheEvictionHandler& aEvictionHandler, CHttpCacheStreamHandler& aStreamHandler );
+        
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+        void ConstructL();
+        
+    private: //
+        
+        /**
+        *
+        * @since 3.1
+        * @param
+        * @return
+        */
+        TInt InsertL( CHttpCacheEntry* aCacheEntry );
+        
+        /**
+        *
+        * @since 3.1
+        * @param
+        * @return
+        */
+        TInt Probe( const TDesC8& aKey, TBool aInsert );
+        
+        /**
+        *
+        * @since 3.1
+        * @param
+        * @return
+        */
+        TInt HashUrl( const TDesC8& aUrl );
+        
+        /**
+        *
+        * @since 3.1
+        * @param
+        * @return
+        */
+        void ReHashL();
+        
+        /**
+        *
+        * @since 3.1
+        * @param
+        * @return
+        */
+        TUint NextPrime( TUint aNum );
+        
+        /**
+        *
+        * @since 3.1
+        * @param
+        * @return
+        */
+        void Erase( TInt aPos );
+        
+        /**
+        *
+        * @since 3.1
+        * @param
+        * @return
+        */
+        TBool Valid( TInt aPos );
+        
+        /**
+        *
+        * @since 3.1
+        * @param
+        * @return
+        */
+        TBool Empty( TInt aPos );
+        
+        /**
+        *
+        * @since 3.1
+        * @param
+        * @return
+        */
+        TBool Deleted( TInt aPos );
+        
+        /**
+        *
+        * @since 3.1
+        * @param
+        * @return
+        */
+        void SetDeleted( TInt aPos );
+        
+        /**
+        *
+        * @since 3.1
+        * @param
+        * @return
+        */
+        TBool BoundaryCheck( TInt aPos );
+        
+    private:    // Data
+        
+        // hash table for cache entries
+        CArrayPtrFlat<CHttpCacheEntry>* iEntries;
+        // number of entries in the hashtable
+        TInt                            iCount;
+        //
+        CHttpCacheEvictionHandler*      iEvictionHandler;         // not owned
+        //
+        CHttpCacheStreamHandler*        iStreamHandler;           // not owned
+    };
+    
+#endif      // CHTTPCACHELOOKUPTABLE_H
+    
+    // End of File