// Copyright (c) 2000-2009 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:

//

#ifndef __CMSGPARSER_H

#define __CMSGPARSER_H

#include <e32base.h>

#include <xml/contenthandler.h>

#include <xml/parser.h>

#include <push/pushmessage.h>

class MWAPElementHandler

	{

	public:

	virtual void HandleElementL ( const RString& aTag, const RString& aAttributeName, const RString& aAttributeValue ) = 0;

	virtual void HandleContentL ( const TDesC8& aBytes ) = 0;

	};

 /**

 TODO

 */

//##ModelId=3B659EE90381

class CMessageParser : public CBase, public Xml::MContentHandler

/**

@internalTechnology

@released

*/

	{

public:

	//##ModelId=3B659EEA0032

	static CMessageParser* NewL ( CPushMessage& aPushMsg, 

								MWAPElementHandler& aElementHandler,

								const TStringTable* aTagsTable,

								const TStringTable* aAttributeTable,

								const TStringTable* aAttributeValueTable );	

	/** parses and validates and returns error code */

	//##ModelId=3B659EEA0028

	TInt ParseMessageL ();	

	//##ModelId=3B659EEA0027

	~CMessageParser ();

	RStringPool& StringPool ();

	// Methods from Xml::MContentHandler

	void OnStartDocumentL ( const Xml::RDocumentParameters &aDocParam, TInt aErrorCode );

	void OnEndDocumentL ( TInt aErrorCode );	

	void OnStartElementL ( const Xml::RTagInfo &aElement, const Xml::RAttributeArray &aAttributes, TInt aErrorCode );

	void OnEndElementL ( const Xml::RTagInfo &aElement, TInt aErrorCode );

	void OnContentL ( const TDesC8 &aBytes, TInt aErrorCode );

	void OnStartPrefixMappingL ( const RString &aPrefix, const RString &aUri, TInt aErrorCode );

	void OnEndPrefixMappingL ( const RString &aPrefix, TInt aErrorCode );

	void OnIgnorableWhiteSpaceL ( const TDesC8 &aBytes, TInt aErrorCode );

	void OnSkippedEntityL ( const RString &aName, TInt aErrorCode );

	void OnProcessingInstructionL ( const TDesC8 &aTarget, const TDesC8 &aData, TInt aErrorCode );

	void OnError ( TInt aErrorCode );

	TAny* GetExtendedInterface ( const TInt32 aUid );

	TInt LastError ();	

private:

	//##ModelId=3B659EE903D3

	CMessageParser( CPushMessage& aPushMsg, 

					MWAPElementHandler& aElementHandler,

					const TStringTable* aTagsTable,

					const TStringTable* aAttributeTable,

					const TStringTable* aAttributeValueTable );

	//##ModelId=3B659EE903D2

	void ConstructL ();

	//##ModelId=3B659EE903D1	

	void LoadPluginL ();

	void CheckTagInTableL ( const RString& aTag );

	void CheckAttributeValuePairL ( const RString& aAttribute, const RString& aAttributeValue );

	TInt MapToWapXMLError ( TInt aXmlErrorCode );

private:

	//##ModelId=3B659EE9038F

	CPushMessage&				iPushMessage;	// reference

	MWAPElementHandler&			iElementHandler;

	Xml::CParser*				iParser;

	// Pointer to the static string pool table for tags, attribute and attribute value

	// We don't own this

	const TStringTable*			iTagsTable;

	const TStringTable*			iAttributeTable;

	const TStringTable*			iAttributeValueTable;

	// Tag position in the XML document and the mapping in the tags string table.

	TInt 						iTagPosition; 

	TInt iLastError;

	};

#endif // __CMSGPARSER_H