syncmlfw/common/xml/src/syncml/XMLSyncMLParser.cpp
changeset 0 b497e44ab2fc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/syncmlfw/common/xml/src/syncml/XMLSyncMLParser.cpp	Thu Dec 17 09:07:52 2009 +0200
@@ -0,0 +1,231 @@
+/*
+* Copyright (c) 2002 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:  XML syncml DTD parser
+*
+*/
+
+
+// ------------------------------------------------------------------------------------------------
+// Includes
+// ------------------------------------------------------------------------------------------------
+#include "XMLSyncMLParser.h"
+#include "WBXMLParserError.h"
+
+#include "smlsyncmltags.h"
+#include "xmlelement.h"
+#include "smlmetinfdtd.h"
+#include "smldevinfdtd.h"
+
+// ------------------------------------------------------------------------------------------------
+// CXMLSyncMLDocHandler
+// ------------------------------------------------------------------------------------------------
+EXPORT_C CXMLSyncMLDocHandler* CXMLSyncMLDocHandler::NewL( MWBXMLSyncMLCallbacks* aCallbacks )
+	{
+	CXMLSyncMLDocHandler* self = new (ELeave) CXMLSyncMLDocHandler(aCallbacks);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(); // self
+	return self;
+	}
+
+// ------------------------------------------------------------------------------------------------
+EXPORT_C CXMLSyncMLDocHandler::~CXMLSyncMLDocHandler()
+	{
+	if(iCmdStack)
+		{
+		iCmdStack->Reset();
+		}
+	delete iCmdStack;
+
+	if(iCleanupStack)
+		{
+		iCleanupStack->Reset();
+		}
+	delete iCleanupStack;
+	}
+
+// ------------------------------------------------------------------------------------------------
+void CXMLSyncMLDocHandler::StartDocumentL( TUint8 /*aVersion*/, TInt32 /*aPublicId*/, TUint32 /*aCharset*/ )
+	{
+	}
+
+// ------------------------------------------------------------------------------------------------
+void CXMLSyncMLDocHandler::StartDocumentL( TUint8 /*aVersion*/, const TDesC8& /*aPublicIdStr*/, TUint32 /*aCharset*/ )
+	{
+	}
+
+// ------------------------------------------------------------------------------------------------
+void CXMLSyncMLDocHandler::EndDocumentL()
+	{
+	}
+
+// ------------------------------------------------------------------------------------------------
+void CXMLSyncMLDocHandler::StartElementL( TWBXMLTag aTag, const CWBXMLAttributes& /*aAttributes*/ )
+	{
+	if( iCmdStack->Top() != 0 )
+		{
+		AddElementL(iCmdStack->Top()->BeginElementL(aTag, TXMLElementParams(iCallbacks)));
+		}
+	else
+		{
+		if( aTag == ESyncML )
+			{
+			AddElementL(new (ELeave) SmlSyncML_t());
+			}
+		else
+			{
+			User::Leave(KWBXMLParserErrorInvalidTag);
+			}
+		}
+	}
+
+// ------------------------------------------------------------------------------------------------
+void CXMLSyncMLDocHandler::AddElementL( CXMLElement* aElement )
+	{
+	if( aElement )
+		{
+		iCmdStack->Push(aElement);
+		if( aElement->NeedsCleanup() )
+			{
+			iCleanupStack->Push(aElement);
+			}
+		}
+	}
+
+// ------------------------------------------------------------------------------------------------
+void CXMLSyncMLDocHandler::EndElementL( TWBXMLTag aTag )
+	{
+	if( iCmdStack->Top() != 0 )
+		{
+		CXMLElement::TAction action = iCmdStack->Top()->EndElementL(iCallbacks, aTag);
+		if( action != CXMLElement::ENone )
+			{
+			CXMLElement* elem = iCmdStack->Pop();
+			if( iCleanupStack->Top() == elem )
+				{
+				iCleanupStack->Pop();
+				}
+			if( action == CXMLElement::EPopAndDestroy )
+				{
+				delete elem;
+				}
+			}
+		}
+	}
+
+// ------------------------------------------------------------------------------------------------
+void CXMLSyncMLDocHandler::CodePageSwitchL( TUint8 aPage )
+	{
+	switch( aPage )
+		{
+		case 0x00:
+            {
+			iCmdStack->Pop();
+			break;
+            }
+		case 0x01:
+            {
+			SmlPcdataPtr_t top = (SmlPcdataPtr_t)iCmdStack->Top();
+			// If top element already contains content then push it into
+			// command stack, create new otherwise.
+			if( !top->content )
+				{
+				top->length = 0;
+				top->contentType = SML_PCDATA_EXTENSION;
+				top->extension = SML_EXT_METINF;
+				top->content = new (ELeave) SmlMetInfMetInf_t();
+				iCmdStack->Push(SmlMetInfMetInfPtr_t(top->content));
+				}
+			else
+				{
+				iCmdStack->Push(SmlMetInfMetInfPtr_t(top->content));
+				}
+			break;
+            }
+        case 0x02:
+            {
+			SmlPcdataPtr_t top = (SmlPcdataPtr_t)iCmdStack->Top();
+			// If top element already contains content then push it into
+			// command stack, create new otherwise.
+			if( !top->content )
+				{
+				top->length = 0;
+				top->contentType = SML_PCDATA_EXTENSION;
+				top->extension = SML_EXT_DEVINFPROP;
+				top->content = new (ELeave) SmlDevInfCtCap_t();
+				iCmdStack->Push((SmlDevInfCtCapPtr_t) top->content);
+				}
+			else
+				{
+				iCmdStack->Push((SmlDevInfCtCapPtr_t) top->content);
+				}
+			break;
+            }
+		default:
+			User::Leave( KWBXMLParserErrorInvalidTag );
+		}
+	}
+
+// ------------------------------------------------------------------------------------------------
+void CXMLSyncMLDocHandler::CharactersL( const TDesC8& aBuffer )
+	{
+	if( iCmdStack->Top() != 0 )
+		{
+		iCmdStack->Top()->SetDataL(aBuffer);
+		}
+	else
+		{
+		User::Leave(KWBXMLParserErrorInvalidTag);
+		}
+	}
+
+// ------------------------------------------------------------------------------------------------
+void CXMLSyncMLDocHandler::DocumentChangedL()
+	{
+	iCmdStack->Reset();
+	}
+
+// ------------------------------------------------------------------------------------------------
+void CXMLSyncMLDocHandler::Ext_IL( TWBXMLTag /*aTag*/, const TDesC8& /*aData*/ )
+	{
+	}
+
+// ------------------------------------------------------------------------------------------------
+void CXMLSyncMLDocHandler::Ext_TL( TWBXMLTag /*aTag*/, TUint32 /*aData*/ )
+	{
+	}
+
+// ------------------------------------------------------------------------------------------------
+void CXMLSyncMLDocHandler::ExtL( TWBXMLTag /*aTag*/ )
+	{
+	}
+
+// ------------------------------------------------------------------------------------------------
+void CXMLSyncMLDocHandler::OpaqueL( const TDesC8& aData )
+	{
+	CharactersL(aData);
+	}
+
+// ------------------------------------------------------------------------------------------------
+void CXMLSyncMLDocHandler::ConstructL()
+	{
+	iCmdStack = CNSmlStack<CXMLElement>::NewL();
+	iCleanupStack = CNSmlStack<CXMLElement>::NewL();
+	}
+
+// ------------------------------------------------------------------------------------------------
+CXMLSyncMLDocHandler::CXMLSyncMLDocHandler( MWBXMLSyncMLCallbacks* aCallbacks ) : iCallbacks(aCallbacks)
+	{
+	}
+