/*+
−
* 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+
−