/*

* Copyright (c) 2004 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 device information DTD parser

*

*/

#include "XMLDevInfParser.h"

#include "WBXMLParserError.h"

#include "smlmetinfdtd.h"

#include "xmlelement.h"

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

// CXMLDevInfDocHandler

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

EXPORT_C CXMLDevInfDocHandler* CXMLDevInfDocHandler::NewL( MWBXMLDevInfCallbacks* aCallbacks )

	{

	CXMLDevInfDocHandler* self = new (ELeave) CXMLDevInfDocHandler(aCallbacks);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(); // self

	return self;

	}

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

EXPORT_C CXMLDevInfDocHandler::~CXMLDevInfDocHandler()

	{

	if(iCmdStack)

		{

		iCmdStack->Reset();

		}

	delete iCmdStack;

	delete iCleanupStack;

	}

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

void CXMLDevInfDocHandler::StartDocumentL( TUint8 /*aVersion*/, TInt32 /*aPublicId*/, TUint32 /*aCharset*/ )

	{

	}

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

void CXMLDevInfDocHandler::StartDocumentL( TUint8 /*aVersion*/, const TDesC8& /*aPublicIdStr*/, TUint32 /*aCharset*/ )

	{

	}

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

void CXMLDevInfDocHandler::EndDocumentL()

	{

	}

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

void CXMLDevInfDocHandler::StartElementL( TWBXMLTag aTag, const CWBXMLAttributes& /*aAttributes*/ )

	{

	if( iCmdStack->Top() != 0 )

		{

		AddElementL(iCmdStack->Top()->BeginElementL(aTag, TXMLElementParams(iCallbacks, iCmdStack, iCleanupStack)));

		}

	else

		{

		if( aTag == EDevDevInf )

			{

			AddElementL(new (ELeave) SmlDevInfDevInf_t());

			}

		else

			{

			User::Leave(KWBXMLParserErrorInvalidTag);

			}

		}

	}

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

void CXMLDevInfDocHandler::AddElementL( CXMLElement* aElement )

	{

	if( aElement )

		{

		iCmdStack->Push(aElement);

		if( aElement->NeedsCleanup() )

			{

			iCleanupStack->Push(aElement);

			}

		}

	}

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

void CXMLDevInfDocHandler::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 CXMLDevInfDocHandler::CodePageSwitchL( TUint8 /*aPage*/ )

	{

	}

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

void CXMLDevInfDocHandler::CharactersL( const TDesC8& aBuffer )

	{

	if( iCmdStack->Top() != 0 )

		{

		iCmdStack->Top()->SetDataL(aBuffer);

		}

	else

		{

		User::Leave(KWBXMLParserErrorInvalidTag);

		}

	}

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

void CXMLDevInfDocHandler::DocumentChangedL()

	{

	iCmdStack->Reset();

	}

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

void CXMLDevInfDocHandler::Ext_IL( TWBXMLTag /*aTag*/, const TDesC8& /*aData*/ )

	{

	}

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

void CXMLDevInfDocHandler::Ext_TL( TWBXMLTag /*aTag*/, TUint32 /*aData*/ )

	{

	}

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

void CXMLDevInfDocHandler::ExtL( TWBXMLTag /*aTag*/ )

	{

	}

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

void CXMLDevInfDocHandler::OpaqueL( const TDesC8& aData )

	{

	CharactersL(aData);

	}

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

void CXMLDevInfDocHandler::ConstructL()

	{

	iCmdStack = CNSmlStack<CXMLElement>::NewL();

	iCleanupStack = CNSmlStack<CXMLElement>::NewL();

	}

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

CXMLDevInfDocHandler::CXMLDevInfDocHandler( MWBXMLDevInfCallbacks* aCallbacks ) : iCallbacks(aCallbacks)

	{

	}