contentstorage/cautils/inc/cautils.h
changeset 60 f62f87b200ec
child 119 50e220be30d1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/contentstorage/cautils/inc/cautils.h	Fri Mar 19 09:35:23 2010 +0200
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2008 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:  ?Description
+ *
+ */
+
+#include <e32base.h>
+#include <s32mem.h>
+
+#include "casrvdef.h"
+
+class RWriteStream;
+class RReadStream;
+class CCaInnerEntry;
+class RIdsArray;
+
+NONSHARABLE_CLASS( MenuUtils )
+    {
+public:
+    /**
+     * Gets TUint from a aStr - HEX or Decimal
+     *
+     * @return error code
+     */
+    IMPORT_C static TInt GetTUint( const TDesC& aStr, TUint& aInt );
+
+    /**
+     * Template method for marshaling data.
+     * @param aObject object supporting ExternalizeL method
+     * @param aExpandSize granularity of the buffer
+     * @return descriptor containing serialized object
+     */
+    template<typename SerializableObject>
+    static HBufC8* MarshalDataL( const SerializableObject& aObject,
+            TInt aExpandSize )
+        {
+        TIpcArgs args;
+        CBufFlat* buf = CBufFlat::NewL( aExpandSize );
+        CleanupStack::PushL( buf );
+        RBufWriteStream stream( *buf );
+        CleanupClosePushL( stream );
+        aObject.ExternalizeL( stream );
+        stream.CommitL();
+        CleanupStack::PopAndDestroy( &stream );
+        HBufC8* des = HBufC8::NewL( buf->Size() );
+        TPtr8 ptr( des->Des() );
+        buf->Read( 0, ptr, buf->Size() );
+        CleanupStack::PopAndDestroy( buf );
+        return des;
+        }
+
+    /**
+     * Internalizes object from descriptor which is stored in aMessage
+     * @param aMessage message containing descriptor with serialized object
+     * @param aObject an object supporting InternalizeL method
+     */
+    template<typename SerializableObject>
+    static void InternalizeObjectL( const RMessage2& aMessage,
+            SerializableObject& aObject )
+        {
+        TInt deslen = aMessage.GetDesLength( KInputPosition1 );
+        HBufC8* buffer = HBufC8::NewLC( deslen );
+        TPtr8 tempDes = buffer->Des();
+        aMessage.Read( KInputPosition1, tempDes );
+        RDesReadStream datastrm( *buffer );
+        CleanupClosePushL( datastrm );
+        aObject.InternalizeL( datastrm );
+        CleanupStack::PopAndDestroy( &datastrm );
+        CleanupStack::PopAndDestroy( buffer );
+        }
+    };