/*

* Copyright (c) 2002-2006 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 MLCOMPDATAPARSE_H

#define MLCOMPDATAPARSE_H

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

#pragma warning (disable:4786)

#include "LayoutCompilerErr.h"

#include "MLCompData.h"

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

#include "SaxErrorHandler.h"

#include <vector>

#include <string>

#include <iosfwd>

#include <stack>

using namespace std;

//

// defines

//

#define ELayoutCompilerFontCategoryUndefined KAknFontCategoryUndefined /* 0 */

#define ELayoutCompilerFontCategoryPrimary KAknFontCategoryPrimary /* 1*/

#define ELayoutCompilerFontCategorySecondary KAknFontCategorySecondary /* 2 */

#define ELayoutCompilerFontCategoryTitle KAknFontCategoryTitle /* 3 */

#define ELayoutCompilerFontCategoryPrimarySmall KAknFontCategoryPrimarySmall /* 4 */

#define ELayoutCompilerFontCategoryDigital KAknFontCategoryDigital /* 5 */

class MSaxLayoutHandler

	{

public:

	typedef SAX::basic_Attributes<std::string> TAttribs;

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

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

	};

// this corresponds to a "param" in the xml

class TMLCompDataParseValues : public TMLCompDataValues, public MSaxLayoutHandler

	{

public:

	TMLCompDataParseValues(TMLCompDataLine* aLine);

	static int ConvertZoomStr(const std::string& aValueStr);

public: // from MSaxLayoutHandler

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

private:

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

	void HandleSaxVariety(const std::string& aElement, const TAttribs& aAttribs);

	void HandleSaxCalc(const std::string& aElement, const TAttribs& aAttribs);

private:

	void ConvertValueStr(std::string& aValueStr);

private:

	TMLCompDataZoomLevels* iSaxZoomLevels;

	int iSaxVariety;

	};

// this corresponds to the contents of "ParentInfo" in the xml

class TMLCompDataParseParentInfo : public TMLCompDataParentInfo, public MSaxLayoutHandler

	{

public:

	TMLCompDataParseParentInfo(TMLCompDataLine* aLine);

public: // from MSaxLayoutHandler

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

private:

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

	void HandleSaxParent(const std::string& aElement, const TAttribs& aAttribs);

	void HandleSaxVariety(const std::string& aElement, const TAttribs& aAttribs);

private:

	TMLCompDataParentInfoSelector* iSaxParentInfoSelector;

	int iSaxVariety;

	};

class TMLCompDataParseAttributeInfo;

// this corresponds to a "component" in the xml

class TMLCompDataParseLayoutLine : public TMLCompDataLine, public MSaxLayoutHandler

	{

public:

	TMLCompDataParseLayoutLine();

	string ShortParamName(string& aName);

public: // from MSaxLayoutHandler

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

private:

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

	void HandleSaxAttributes(const TAttribs& aAttribs);

	MSaxLayoutHandler* HandleSaxParent(const std::string& aElement, const TAttribs& aAttribs);

	MSaxLayoutHandler* HandleSaxParam(const std::string& aElement, const TAttribs& aAttribs);

	MSaxLayoutHandler* HandleSaxAttributeInfo(const std::string& aElement, const TAttribs& aAttribs);

private:

	TMLCompDataParseValues* iSaxValues;

	TMLCompDataParseParentInfo* iSaxParentInfo;

	TMLCompDataParseAttributeInfo* iSaxAttributeInfo;

	};

// this corresponds to the contents of "AttributeInfo" in the xml

class TMLCompDataParseAttributeInfo : public TMLCompDataAttributeInfo, public MSaxLayoutHandler

	{

public:

	TMLCompDataParseAttributeInfo(TMLCompDataLine* aLine);

public: // from MSaxLayoutHandler

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

private:

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

	void HandleSaxVariety(const std::string& aElement, const TAttribs& aAttribs);

	void HandleSaxAttributeSet(const std::string& aElement, const TAttribs& aAttribs);

private:

	TMLCompDataAttributeInfoSelector* iSaxAttributeInfoSelector;

	int iSaxVariety;

	};

// this corresponds to a common parent component, and therefore does

// not correspond directly to a structure in the xml, although in general

// there is one per non-leaf component

class TMLCompDataParseLayoutTable : public TMLCompDataTable, public MSaxLayoutHandler

	{

public:

	TMLCompDataParseLayoutTable(TMLCompData* aTables);

public: // from MSaxLayoutHandler

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

	};

// this corresponds to a layout in the xml

class TMLCompDataParseLayout : public TMLCompData, public MSaxLayoutHandler

	{

public:

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

public: // from MSaxLayoutHandler

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

	};

class TLayoutSaxParser : private SAX::basic_DefaultHandler<std::string>

	{

private:

	typedef stack<MSaxLayoutHandler*> TSaxHandlerStack;

	typedef SAX::basic_ErrorHandler<std::string>::SAXParseExceptionT TException;

public:

	TLayoutSaxParser(MSaxLayoutHandler* 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 SAX::basic_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:

	TSaxHandlerStack iStack;	// stack content not owned

	};

#endif // MLCOMPDATAPARSE_H

// End of File