/*

* Copyright (c) 2005 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 MLATTRIBUTESPARSE_H

#define MLATTRIBUTESPARSE_H

// disable "identifier was truncated to '255' characters in the browser information" warning

#pragma warning (disable:4786)

#include "LayoutCompilerErr.h"

#include "MLAttributes.h"

#include <avkon.hrh> // for logical font ids

#include "SaxErrorHandler.h"

#include <vector>

#include <string>

#include <iosfwd>

#include <stack>

using namespace std;

//

// defines

//

/**

 * this is the interface to the SAX handler

 */

class MSaxLayoutAttributesHandler

	{

public:

	typedef Arabica::SAX::Attributes<std::string> TAttribs; // this is XML Attribs, not to be confused with layout attibutes!

	virtual MSaxLayoutAttributesHandler* HandleSax(const std::string& aElement, const TAttribs& aAttribs) { return this; };

	virtual void HandleSaxEnd(const std::string& aElement) { };

	};

/**

 * this corresponds to an attribute set in the xml

 */

class TMLAttributeSetParse : public TMLAttributeSet, public MSaxLayoutAttributesHandler

	{

public:

	TMLAttributeSetParse(TMLAttributes* aAttributes);

public: // from MSaxLayoutHandler

	MSaxLayoutAttributesHandler* HandleSax(const std::string& aElement, const TAttribs& aAttribs);

	void HandleSaxEnd(const std::string& aElement);

public: // new methods

	int CompId() const;

	string Name() const;

private:

	void HandleSaxAttribute(const TAttribs& aAttribs);

	void HandleSaxCalc(const TAttribs& aAttribs);

private:

	int iId;

	int iCompId;

	string iName;

	TMLAttributeZoomLevels* iSaxZoomLevels;

	};

/**

 *  this corresponds to attributes in the xml

 */

class TMLAttributesParse : public TMLAttributes, public MSaxLayoutAttributesHandler

	{

public:

	static auto_ptr<TMLAttributesParse> Parse(const string& aLayName);

	TMLAttributesParse();

public: // from MSaxLayoutHandler

	MSaxLayoutAttributesHandler* HandleSax(const std::string& aElement, const TAttribs& aAttribs);

	void HandleSaxEnd(const std::string& aElement);

private: // owned

	TMLAttributeSetParse* iSaxAttributeSet;

	};

/**

 * this is the main SAX parser implementation

 */

class TLayoutAttributesSaxParser : private Arabica::SAX::DefaultHandler<std::string>

	{

private:

	typedef stack<MSaxLayoutAttributesHandler*> TSaxAttributesHandlerStack;

	typedef Arabica::SAX::ErrorHandler<std::string>::SAXParseExceptionT TException;

public:

	TLayoutAttributesSaxParser(MSaxLayoutAttributesHandler* aHandler);

	void Parse(const std::string& aFileName);

private: // from basic_DefaultHandler

	void startElement(const std::string& namespaceURI, const std::string& localName, const std::string& qName, const Arabica::SAX::Attributes<std::string>& atts);

	void endElement(const std::string& namespaceURI, const std::string& localName, const std::string& qName);

	void warning(const TException& aException);

	void error(const TException& aException);

	void fatalError(const TException& aException);

private:

	TSaxAttributesHandlerStack iStack;	// stack content not owned

	};

#endif // MLATTRIBUTESPARSE_H

// End of File