// Copyright (c) 2005-2009 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:

//

#include <e32std.h>

#include <ecom/implementationproxy.h>

#include <xml/attribute.h>

#include <xml/contenthandler.h>

#include <xml/documentparameters.h>

#include <xml/stringdictionarycollection.h>

#include <xml/taginfo.h>

#include <xml/wbxmlextensionhandler.h>

#include <xml/xmlframeworkerrors.h>

#include <xml/plugins/parserinterface.h>

#include <xml/plugins/parserinitparams.h>

#include "t_testconstants.h"

using namespace Xml;

class CXmlParser : public CBase, public MParser

	{

public:

	static MParser* NewL(TAny* aInitParams);

	virtual ~CXmlParser();

	// From MParser

	TInt EnableFeature(TInt /*aParserFeature*/)

		{

		return KErrNotSupported;

		}

	TInt DisableFeature(TInt /*aParserFeature*/)

		{

		return KErrNone;

		}

	TBool IsFeatureEnabled(TInt /*aParserFeature*/) const

		{

		return EFalse;

		}

	void Release();

	void ParseChunkL (const TDesC8& aDescriptor);

	void ParseLastChunkL(const TDesC8& aDescriptor);

	// From MContentSouce

	void SetContentSink (MContentHandler& aContentHandler);

	RStringPool& StringPool();

private:

	CXmlParser(TParserInitParams* aInitParams);

	void ConstructL();

	void DoParseL();

	inline void OnStartDocumentL();

	inline void OnEndDocumentL();

	inline void OnStartElementL();

	inline void OnEndElementL();

	inline void OnContentL();

	inline void OnStartPrefixMappingL();

	inline void OnEndPrefixMappingL();

	inline void OnIgnorableWhiteSpaceL();

	inline void OnSkippedEntityL();

	inline void OnProcessingInstructionL();

	inline void OnExtensionL();

	inline void OnError(TInt aError);

private:

	MContentHandler*	iContentHandler;

	RStringDictionaryCollection*		iStringDictionaryCollection;

	CCharSetConverter* iCharSetConverter;

	RElementStack* iElementStack;

	};

MParser* CXmlParser::NewL(TAny* aInitParams)

	{

	CXmlParser* self = new(ELeave) CXmlParser(reinterpret_cast<TParserInitParams*>(aInitParams));

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return (static_cast<MParser*>(self));

	}

CXmlParser::CXmlParser(TParserInitParams* aInitParams)

:	iContentHandler (reinterpret_cast<MContentHandler*>(aInitParams->iContentHandler)),

	iStringDictionaryCollection (reinterpret_cast<RStringDictionaryCollection*>(aInitParams->iStringDictionaryCollection)),

	iCharSetConverter (reinterpret_cast<CCharSetConverter*>(aInitParams->iCharSetConverter)),

	iElementStack (reinterpret_cast<RElementStack*>(aInitParams->iElementStack))

	{

	}

void CXmlParser::ConstructL()

	{

	// do nothing;   

	}

void CXmlParser::Release()

	{

	delete (this);

	}

CXmlParser::~CXmlParser()

	{

	// We don't own this

	iContentHandler = NULL;

	iStringDictionaryCollection = NULL;

	iCharSetConverter = NULL;

	iElementStack = NULL;

	}

void CXmlParser::ParseChunkL (const TDesC8& /*aDescriptor*/)

	{

	DoParseL();

	}

void CXmlParser::ParseLastChunkL(const TDesC8& /*aDescriptor*/)

	{

	DoParseL();

	}

RStringPool& CXmlParser::StringPool()

	{

	return iStringDictionaryCollection->StringPool();

	}

void CXmlParser::SetContentSink (MContentHandler& aContentHandler)

/**

This method allows for the correct streaming of data to another plugin in the chain.

@post				the next plugin in the chain is set to receive our callbacks.

*/

	{

	iContentHandler = &aContentHandler;

	}

void CXmlParser::DoParseL()

/**

This method gets executed when a request to parse a file is issued. 

This function generates just one element event. 

*/

	{

	OnStartDocumentL();

	OnStartElementL();

	OnEndElementL();

	OnEndDocumentL();	

	}

void CXmlParser::OnStartDocumentL()

	{

	RDocumentParameters documentParameters;

	iContentHandler->OnStartDocumentL(documentParameters, KErrorCodeOnStartDocument);

	}

void CXmlParser::OnEndDocumentL()

	{

	iContentHandler->OnEndDocumentL(KErrorCodeOnEndDocument);

	}

void CXmlParser::OnStartElementL()

	{

	RTagInfo element;

	RAttributeArray attributes;

	iContentHandler->OnStartElementL(element, attributes, KErrorCodeOnStartElement);

	}

void CXmlParser::OnEndElementL()

	{

	RTagInfo element;

	iContentHandler->OnEndElementL(element, KErrorCodeOnEndElement);

	}

void CXmlParser::OnContentL()

	{

	const TBuf8<2> bytes;

	iContentHandler->OnContentL(bytes, KErrorCodeOnContent);

	}

void CXmlParser::OnStartPrefixMappingL()

	{

	RString prefix;

	RString uri;

	iContentHandler->OnStartPrefixMappingL(prefix, uri, KErrorCodeOnStartPrefixMapping);

	}

void CXmlParser::OnEndPrefixMappingL()

	{

	RString prefix;

	iContentHandler->OnEndPrefixMappingL(prefix, KErrorCodeOnEndPrefixMapping);

	}

void CXmlParser::OnIgnorableWhiteSpaceL()

	{

	const TBuf8<2> bytes;

	iContentHandler->OnIgnorableWhiteSpaceL(bytes, KErrorCodeOnIgnorableWhiteSpace);

	}

void CXmlParser::OnSkippedEntityL()

	{

	RString name;

	iContentHandler->OnSkippedEntityL(name, KErrorCodeOnSkippedEntity);

	}

void CXmlParser::OnProcessingInstructionL()

	{

	TBuf8<2> target;

	TBuf8<2> data;

	iContentHandler->OnProcessingInstructionL(target, data, KErrorCodeOnProcessingInstruction);

	}

void CXmlParser::OnExtensionL()

	{

	RString data;

	TInt token = 0;

	MWbxmlExtensionHandler* ptr = 

		static_cast<MWbxmlExtensionHandler*>

			(iContentHandler->GetExtendedInterface(MWbxmlExtensionHandler::EExtInterfaceUid));

	if (!ptr)

		{

		User::Leave(KErrXmlUnsupportedExtInterface);

		}

	ptr->OnExtensionL(data, token, KErrorCodeOnExtension);	

	}

void CXmlParser::OnError(TInt aError)

	{

	iContentHandler->OnError(aError);

	}

// __________________________________________________________________________

// Exported proxy for instantiation method resolution

// Define the interface UIDs

const TImplementationProxy ImplementationTable[] = {

	IMPLEMENTATION_PROXY_ENTRY(0x10273870,CXmlParser::NewL),

	IMPLEMENTATION_PROXY_ENTRY(0x10273871,CXmlParser::NewL),

	IMPLEMENTATION_PROXY_ENTRY(0x10273872,CXmlParser::NewL),

	IMPLEMENTATION_PROXY_ENTRY(0x10273873,CXmlParser::NewL),

	IMPLEMENTATION_PROXY_ENTRY(0x10273874,CXmlParser::NewL),	

	IMPLEMENTATION_PROXY_ENTRY(0x60000000,CXmlParser::NewL), 

	IMPLEMENTATION_PROXY_ENTRY(0x8FFFFFFF,CXmlParser::NewL),	

};

EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

	{

	aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);

	return ImplementationTable;

	}