--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/upnpframework/upnpcommand/src/upnpfilepipe.cpp	Thu Dec 17 08:52:00 2009 +0200
@@ -0,0 +1,194 @@
+/*
+* Copyright (c) 2007 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:  Source file for CUpnpFilePipe class.
+*
+*/
+
+
+// INCLUDE FILES
+#include "upnpfilepipe.h"
+
+_LIT( KComponentLogfile, "upnpcommand.log");
+#include "upnplog.h"
+
+// --------------------------------------------------------------------------
+// CUpnpFilePipe::NewL
+// Creates a new file pipe with unlimited length.
+// --------------------------------------------------------------------------
+//
+CUpnpFilePipe* CUpnpFilePipe::NewL()
+    {
+    __LOG( "[UpnpCommand]\t CUpnpFilePipe::NewL" );
+
+    // Create a new file pipe with unlimited length (0).
+    return new (ELeave) CUpnpFilePipe( 0 );
+    }
+
+// --------------------------------------------------------------------------
+// CUpnpFilePipe::NewL
+// Creates a new file pipe with a set length.
+// --------------------------------------------------------------------------
+//
+CUpnpFilePipe* CUpnpFilePipe::NewL( TInt aMaxSize )
+    {
+    __LOG( "[UpnpCommand]\t CUpnpFilePipe::NewL" );
+
+    // Check param
+    if( aMaxSize <= 0 )
+        {
+        User::Leave( KErrArgument );
+        }
+
+    // Create a new file pipe with the given length.
+    return new (ELeave) CUpnpFilePipe( aMaxSize );
+    }
+
+// --------------------------------------------------------------------------
+// CUpnpFilePipe::CUpnpFilePipe
+// First phase construction.
+// --------------------------------------------------------------------------
+//
+CUpnpFilePipe::CUpnpFilePipe( TInt aMaxSize )
+    : iMaxSize( aMaxSize )
+    {
+    // No implementation
+    }
+
+// --------------------------------------------------------------------------
+// Destructor.
+// --------------------------------------------------------------------------
+//
+CUpnpFilePipe::~CUpnpFilePipe()
+    {
+    __LOG( "[UpnpCommand]\t CUpnpFilePipe::Destructor" );
+
+    // Reset the content of the array
+    Reset();
+
+    // Close the array
+    iValues.Close();
+    }
+
+// --------------------------------------------------------------------------
+// CUpnpFilePipe::PushL
+// Pushes one file into the pipe.
+// --------------------------------------------------------------------------
+//
+void CUpnpFilePipe::PushL( const TDesC& aParam )
+    {
+    __LOG( "[UpnpCommand]\t CUpnpFilePipe::PushL" );
+
+    // Parameter check
+    if( aParam == KNullDesC )
+        {
+        User::Leave( KErrArgument );
+        }
+
+    // If we are using a pipe with a limited size
+    if( iMaxSize > 0 )
+        {
+        // If the pipe is already full (max size reached) remove the newest
+        // file from the pipe
+        if( iValues.Count() >= iMaxSize )
+            {
+            RemoveNewestFileFromPipe();
+            }
+        }
+
+    // Create a new parameter value
+    HBufC* temp = aParam.AllocL();
+    CleanupStack::PushL( temp );
+
+    // Append the new parameter value to the array
+    iValues.AppendL( temp );
+
+    // Just pop, ownership transfered to iValues array
+    CleanupStack::Pop( temp ); 
+    }
+
+// --------------------------------------------------------------------------
+// CUpnpFilePipe::FileAt
+// --------------------------------------------------------------------------
+//
+const TDesC& CUpnpFilePipe::FileAt( TInt aIndex )
+    {
+    __ASSERTD( aIndex >= 0 && aIndex < iValues.Count(),
+        __FILE__, __LINE__ );
+    TDesC* file = iValues[aIndex];
+    return *file;
+    }
+
+// --------------------------------------------------------------------------
+// CUpnpFilePipe::Reset
+// Resets the pipe.
+// --------------------------------------------------------------------------
+//
+void CUpnpFilePipe::Reset()
+    {
+    __LOG( "[UpnpCommand]\t CUpnpFilePipe::Reset" );
+
+    // Simply reset the array
+    iValues.ResetAndDestroy();
+    }
+
+// --------------------------------------------------------------------------
+// CUpnpFilePipe::Count
+// Returns the count of the items in the pipe.
+// --------------------------------------------------------------------------
+//
+TInt CUpnpFilePipe::Count()
+    {
+    __LOG( "[UpnpCommand]\t CUpnpFilePipe::Count" );
+
+    // Simply retun the array's item count
+    return iValues.Count();
+    }
+
+// --------------------------------------------------------------------------
+// CUpnpFilePipe::AsArray
+// returns the entire pipe as an array
+// --------------------------------------------------------------------------
+//
+RPointerArray<TDesC>& CUpnpFilePipe::AsArray()
+    {
+    return iValues;
+    }
+
+// --------------------------------------------------------------------------
+// CUpnpFilePipe::RemoveNewestFileFromPipe
+// Removes the newest file from the pipe.
+// --------------------------------------------------------------------------
+//
+void CUpnpFilePipe::RemoveNewestFileFromPipe()
+    {
+    __LOG( "[UpnpCommand]\t CUpnpFilePipe::RemoveNewestFileFromPipe" );
+
+    // Remove item only if there are items in the pipe
+    if( iValues.Count() > 0 )
+        {
+        // Get the index of the newest item (last item in the array)
+        TInt newestIndex = iValues.Count() - 1; // indexing starts from 0
+
+        // Get the pointer to the data, and delete it
+        HBufC* temp = static_cast<HBufC*>( iValues[newestIndex] );
+        delete temp;
+        temp = NULL;
+
+        // Remove the pointer from the array, this will also compress the
+        // array
+        iValues.Remove( newestIndex );
+        }
+    }
+
+// End of file