/*

* Copyright (c) 2009-2010 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:

* MSRP Implementation

*

*/

// INCLUDES

#include <Uri8.h> 

// CLASS HEADER

#include "TMSRPUtil.h"

// INTERNAL INCLUDES

#include "MsrpCommon.h"

// -----------------------------------------------------------------------------

// TMSRPUtil::ConvertToNumberL

// -----------------------------------------------------------------------------

//

TInt TMSRPUtil::ConvertToNumber( const TDesC8& aString )

    {

	// checking for special characters:

	// Unknown byte range end

	if ( aString == KAsterisk )

		{

		// Range unknown

		return KUnknownRange;

		}

	TLex8 numberToConvert( aString );

	TUint convertedNumber( 0 );

	numberToConvert.Val( convertedNumber, EDecimal );

	return convertedNumber;

	}

// -----------------------------------------------------------------------------

// CMSRPListeners::ExractSesssionIdFromToPath

// -----------------------------------------------------------------------------

//

HBufC8* TMSRPUtil::ExtractSessionIdFromPathLC( TDesC8& aMsrpPath )

	{

	// parsing the descriptor URL

	// first is the scheme

	TUriParser8 parser;

    User::LeaveIfError( parser.Parse( aMsrpPath ) ); 

	if(!parser.IsPresent(EUriPort))

		{

		User::Leave(KErrArgument);

		}

    const TDesC8& remPort = parser.Extract( EUriPort );

	TUint portNum;

    TLex8 portLex(remPort);

    User::LeaveIfError( portLex.Val( portNum ) ); //Just validation.Port number is not used

    if(!parser.IsPresent(EUriPath))

		{

		User::Leave(KErrArgument);

		}

    const TDesC8& remotePath = parser.Extract( EUriPath );

    TInt loc = remotePath.Find( KSemicolon );

	if(loc == KErrNotFound)

		{

		User::Leave(KErrArgument);

		}

    TPtrC8 sessionIDPtr;

	sessionIDPtr.Set( remotePath.Mid( 1, loc-1) );

	User::LeaveIfError(!sessionIDPtr.Length()?KErrArgument:KErrNone); //No Session ID. ; at the beginning.

	TInt loc2 = remotePath.LocateReverse(KSemiColonCharacter);

	User::LeaveIfError(loc2!=loc?KErrArgument:KErrNone); //Two ; in Path

	HBufC8* sessionId = HBufC8::NewLC( sessionIDPtr.Length());

	*sessionId = sessionIDPtr;

	return sessionId;

	}

// End of File