--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/metadataengine/server/inc/mdsclausebuffer.h Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,118 @@
+/*
+* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "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: A unicode des buffer with automatic memory*
+*/
+
+#ifndef __MDSCLAUSEBUFFER_H__
+#define __MDSCLAUSEBUFFER_H__
+
+// INCLUDE FILES
+#include <e32base.h>
+
+
+/**
+ * An automatic clause buffer class. The class provides Descriptor
+ * functionality, plus automatic memory handling so that it reserves
+ * the required space automatically as the size grows.
+ */
+class CMdsClauseBuffer: public CBase
+ {
+ public: // public definitions
+
+ /**
+ * Static constructor
+ * @param aInitialSize size of the buffer
+ * @return buffer instance
+ */
+ IMPORT_C static CMdsClauseBuffer* NewL( TInt aInitialSize );
+
+ /**
+ * Static constructor
+ * @param aInitialSize size of the buffer
+ * @return buffer instance
+ */
+ IMPORT_C static CMdsClauseBuffer* NewLC( TInt aInitialSize );
+
+ virtual ~CMdsClauseBuffer();
+
+ private:
+
+ /**
+ * Default constructor
+ */
+ CMdsClauseBuffer();
+
+ /**
+ * 2nd phase constructor
+ * @param aInitialSize size of the buffer
+ */
+ void ConstructL( TInt aInitialSize );
+
+ public:
+
+ /**
+ * Appends a descriptor at the end of this descriptor.
+ * Increases the size of the descriptor if needed.
+ * @param aDes descriptor which is appended
+ */
+ void AppendL( const TDesC16& aDes );
+
+ /**
+ * Appends a descriptor at the end of this descriptor.
+ * Increases the size of the descriptor if needed.
+ * @param aDes descriptor which is appended
+ * @param aAdditionl
+ */
+ void AppendL( const TDesC16& aDes, const TInt aAdditional );
+
+ /**
+ * Makes sure the buffer max size is AT LEAST given required bytes.
+ * @param aRequired required buffer total size
+ * @return ETrue if the buffer was re-allocated
+ */
+ TBool ReserveSpaceL( TInt aRequired );
+
+ /**
+ * Return buffer.
+ *
+ * @return buffer
+ *
+ * @leave KErrNotFound Buffer is NULL.
+ */
+ TPtr BufferL() const;
+
+ /**
+ * Return const reference to buffer.
+ *
+ * @return const reference to buffer
+ *
+ * @leave KErrNotFound Buffer is NULL.
+ */
+ const TDesC& ConstBufferL() const;
+
+ private:
+
+ /**
+ * The heap buffer
+ */
+ HBufC* iBuffer;
+
+ /**
+ * Current size of the buffer
+ */
+ TInt iCurrentBufSize;
+ };
+
+
+#endif // __MDSCLAUSEBUFFER_H__