diff -r 000000000000 -r f5a58ecadc66 upnp/upnpstack/serviceframework/src/upnpargumentcontenthandler.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/upnp/upnpstack/serviceframework/src/upnpargumentcontenthandler.cpp Tue Feb 02 01:12:20 2010 +0200 @@ -0,0 +1,197 @@ +/** @file +* 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: Implements the CUpnpArgumentContentHandler class + * +*/ + + +#include "upnpargumentcontenthandler.h" +#include "upnpcontenthandlerscontroller.h" +#include "upnpignorecontenthandler.h" +#include "upnpargument.h" +#include "upnpserviceliterals.h" + +//const TUint8 KReqiuredTagsBoundary(7) //first three bits when +//relatedStateVariable, and direction is required +const TUint8 KReqiuredTagsBoundary(1); +enum TFlagsPositions + { + ENamePos = 0, + EDirectionPos, + ERelatedStateVariablePos //reqired, but optional for now +// ERetvalPos + }; + +// ----------------------------------------------------------------------------- +// CUpnpArgumentContentHandler::NewL +// Two-phased constructor +// ----------------------------------------------------------------------------- +// +CUpnpArgumentContentHandler* CUpnpArgumentContentHandler::NewL( + CUpnpContentHandlersController& aController, CUpnpArgument& aResultArgument ) + { + CUpnpArgumentContentHandler* argumentContentHandler = + CUpnpArgumentContentHandler::NewLC( aController, aResultArgument ); + CleanupStack::Pop( argumentContentHandler ); + return argumentContentHandler; + } + +// ----------------------------------------------------------------------------- +// CUpnpArgumentContentHandler::NewLC +// Two-phased constructor. Leaves teh object on the CleanupStack +// ----------------------------------------------------------------------------- +// +CUpnpArgumentContentHandler* CUpnpArgumentContentHandler::NewLC( + CUpnpContentHandlersController& aController, CUpnpArgument& aResultArgument ) + { + CUpnpArgumentContentHandler* argumentContentHandler = + new (ELeave) CUpnpArgumentContentHandler( aController, aResultArgument ); + CleanupStack::PushL( argumentContentHandler ); + return argumentContentHandler; + } + +// ----------------------------------------------------------------------------- +// CUpnpArgumentContentHandler::~CUpnpArgumentContentHandler +// Destructor of CUpnpArgumentContentHandler class +// ----------------------------------------------------------------------------- +// +CUpnpArgumentContentHandler::~CUpnpArgumentContentHandler() + { + } + +// ----------------------------------------------------------------------------- +// CUpnpArgumentContentHandler::CUpnpArgumentContentHandler +// Constructor +// ----------------------------------------------------------------------------- +// +CUpnpArgumentContentHandler::CUpnpArgumentContentHandler( + CUpnpContentHandlersController& aController, CUpnpArgument& aResultArgument ) : + CUpnpContentHandler( aController ), iResultArgument( aResultArgument ), + iCurrentState( EInitial ) + { + } + +// ----------------------------------------------------------------------------- +// CUpnpArgumentContentHandler::OnStartElementL +// This method is a callback to indicate an element has been parsed. +// ----------------------------------------------------------------------------- +// +void CUpnpArgumentContentHandler::OnStartElementL( const RTagInfo& aElement, + const RAttributeArray& /*aAttributes*/ ) + { + if ( iCurrentState == EInitial ) + { + const TDesC8& elementName( aElement.LocalName().DesC() ); + if ( elementName.Compare( KUpnpName ) == 0 ) + { + RepeatedTagCheckL( ENamePos, iFoundTags ); + iCurrentState = EName; + } + else if ( elementName.Compare(KUpnpDirection) == 0 ) + { + RepeatedTagCheckL( EDirectionPos, iFoundTags ); + iCurrentState = EDirection; + } + else if ( elementName.Compare(KUpnpRelatedStateVariable) == 0 ) + { + RepeatedTagCheckL( ERelatedStateVariablePos, iFoundTags ); + iCurrentState = ERelatedStateVariable; + } +// else if ( elementName.Compare(KUpnpRetval) == 0 ) +// { +// RepeatedTagCheckL( ERetvalPos, iFoundTags ) +// iController.SetCurrentContentHandlerL( +// CUpnpRetvalContentHandler::NewL( iController ) +// ) +// } + else + { + iController.SetCurrentContentHandlerL( + CUpnpIgnoreContentHandler::NewL( iController ) ); + } + } + else + { + iController.SetCurrentContentHandlerL( + CUpnpIgnoreContentHandler::NewL( iController ) ); + //User::Leave( KErrArgument ) + } + } + +// ----------------------------------------------------------------------------- +// CUpnpArgumentContentHandler::OnEndElementL +// This method is a callback to indicate the end of the element has been reached. +// ----------------------------------------------------------------------------- +// +void CUpnpArgumentContentHandler::OnEndElementL( const RTagInfo& aElement ) + { + switch ( iCurrentState ) + { + case EInitial: + ASSERT( aElement.LocalName().DesC().Compare(KUpnpArgument) == 0 ); + if ( ( iFoundTags.iFlags & KReqiuredTagsBoundary ) == + KReqiuredTagsBoundary ) + { + iController.SetPreviousContentHandler(); + } + else + { + User::Leave( KErrArgument ); //required tag not found + } + break; + default: + iCurrentState = EInitial; + } + } + +// ----------------------------------------------------------------------------- +// CUpnpArgumentContentHandler::OnContentL +// This method is a callback that sends the content of the element. +// aErrorCode must be KErrNone, and that aBytes should contains complete +// content (one chunk). +// ----------------------------------------------------------------------------- +// +void CUpnpArgumentContentHandler::OnContentL( const TDesC8& aBytes ) + { + switch ( iCurrentState ) + { + case EName: + iResultArgument.SetNameL( aBytes ); + break; + case EDirection: + if ( aBytes.Compare( KUpnpIn ) == 0 ) + { + iResultArgument.SetDirectionL( EIn ); + } + else //if ( aBytes.Compare( KUpnpOut ) == 0 ) + { + iResultArgument.SetDirectionL( EOut ); + } +// else +// { +// User::Leave( KErrArgument ) +// } + + break; + case ERelatedStateVariable: + iResultArgument.SetRelatedStateVarL( aBytes ); + break; + default: + ASSERT( EInitial == iCurrentState ); + //User::Leave( KErrArgument ) + break; + } + } + +// End of File