diff -r 000000000000 -r f5a58ecadc66 upnp/upnpstack/serviceframework/src/upnpstatevariablecontenthandler.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/upnp/upnpstack/serviceframework/src/upnpstatevariablecontenthandler.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 CUpnpActionContentHandler class + * +*/ + + +#include "upnpstatevariablecontenthandler.h" +#include "upnpcontenthandlerscontroller.h" +#include "upnpignorecontenthandler.h" +#include "upnpallowedvaluerangecontenthandler.h" +#include "upnpallowedvaluelistcontenthandler.h" +#include "upnpstatevariable.h" +#include "upnpserviceliterals.h" + +const TUint8 KReqiuredTagsBoundary(3); //first two bits +enum TFlagsPositions + { + ENamePos = 0, + EDataTypePos, + EDefaultValuePos, //optional + EAllowedValuePos //optional, AllowedValueList or AllowedValueRange + }; + +// ----------------------------------------------------------------------------- +// CUpnpStateVariableContentHandler::NewL +// Two-phased constructor +// ----------------------------------------------------------------------------- +// +CUpnpStateVariableContentHandler* CUpnpStateVariableContentHandler::NewL( + CUpnpContentHandlersController& aController, + CUpnpStateVariable& aResultStateVariable ) + { + CUpnpStateVariableContentHandler* actionContentHandler = + CUpnpStateVariableContentHandler::NewLC( aController, aResultStateVariable ); + CleanupStack::Pop( actionContentHandler ); + return actionContentHandler; + } + +// ----------------------------------------------------------------------------- +// CUpnpStateVariableContentHandler::NewLC +// Two-phased constructor. Leaves teh object on the CleanupStack +// ----------------------------------------------------------------------------- +// +CUpnpStateVariableContentHandler* CUpnpStateVariableContentHandler::NewLC( + CUpnpContentHandlersController& aController, + CUpnpStateVariable& aResultStateVariable ) + { + CUpnpStateVariableContentHandler* actionContentHandler = + new (ELeave) CUpnpStateVariableContentHandler( aController, + aResultStateVariable ); + CleanupStack::PushL( actionContentHandler ); + return actionContentHandler; + } + +// ----------------------------------------------------------------------------- +// CUpnpStateVariableContentHandler::~CUpnpStateVariableContentHandler +// Destructor of CUpnpStateVariableContentHandler class +// ----------------------------------------------------------------------------- +// +CUpnpStateVariableContentHandler::~CUpnpStateVariableContentHandler() + { + } + +// ----------------------------------------------------------------------------- +// CUpnpStateVariableContentHandler::CUpnpStateVariableContentHandler +// Constructor +// ----------------------------------------------------------------------------- +// +CUpnpStateVariableContentHandler::CUpnpStateVariableContentHandler( + CUpnpContentHandlersController& aController, + CUpnpStateVariable& aResultStateVariable ) : + CUpnpContentHandler( aController ), + iResultStateVariable( aResultStateVariable ), + iCurrentState( EInitial ) + { + } + +// ----------------------------------------------------------------------------- +// CUpnpStateVariableContentHandler::OnStartElementL +// This method is a callback to indicate an element has been parsed. +// ----------------------------------------------------------------------------- +// +void CUpnpStateVariableContentHandler::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( KUpnpDataType ) == 0 ) + { + RepeatedTagCheckL( EDataTypePos, iFoundTags ); + iCurrentState = EDataType; + } + else if ( elementName.Compare( KUpnpDefaultValue ) == 0 ) + { + RepeatedTagCheckL( EDefaultValuePos, iFoundTags ); + iCurrentState = EDefaultValue; + } + else if ( elementName.Compare( KUpnpAllowedValueList ) == 0 ) + { + RepeatedTagCheckL( EAllowedValuePos, iFoundTags ); + iController.SetCurrentContentHandlerL( + CUpnpAllowedValueListContentHandler::NewL( + iController, iResultStateVariable ) ); + } + else if ( elementName.Compare( KUpnpAllowedValueRange ) == 0 ) + { + RepeatedTagCheckL( EAllowedValuePos, iFoundTags ); + iController.SetCurrentContentHandlerL( + CUpnpAllowedValueRangeContentHandler::NewL( + iController, iResultStateVariable ) ); + } + else + { + iController.SetCurrentContentHandlerL( + CUpnpIgnoreContentHandler::NewL( iController ) ); + } + } + else + { + //User::Leave( KErrArgument ) //content="textOnly" not checked now + iController.SetCurrentContentHandlerL( + CUpnpIgnoreContentHandler::NewL( iController ) ); + } + } + +// ----------------------------------------------------------------------------- +// CUpnpStateVariableContentHandler::OnEndElementL +// This method is a callback to indicate the end of the element has been reached. +// ----------------------------------------------------------------------------- +// +void CUpnpStateVariableContentHandler::OnEndElementL( const RTagInfo& aElement ) + { + switch ( iCurrentState ) + { + case EInitial: + ASSERT( aElement.LocalName().DesC().Compare(KUpnpStateVariable)==0 ); + if ( (iFoundTags.iFlags & KReqiuredTagsBoundary) == + KReqiuredTagsBoundary ) + { + iController.SetPreviousContentHandler(); + } + else + { + //User::Leave( KErrArgument ) //required tag not found + iController.SetPreviousContentHandler(); + } + break; + default: + iCurrentState = EInitial; + } + } + +// ----------------------------------------------------------------------------- +// CUpnpStateVariableContentHandler::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 CUpnpStateVariableContentHandler::OnContentL( const TDesC8& aBytes ) + { + switch ( iCurrentState ) + { + case EName: + iResultStateVariable.SetNameL( aBytes ); + break; + case EDataType: + iResultStateVariable.SetTypeL( aBytes ); + break; + case EDefaultValue: + iResultStateVariable.SetDefaultValueL( aBytes ); + break; + default: + //User::Leave( KErrArgument ) //eltOnly not checked now + break; + } + } + +// End of File