/*

* Copyright (c) 2007 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: Parser implementation for KML format.

*

*

*/

#ifndef CPOSLMKMLPARSER_H

#define CPOSLMKMLPARSER_H

//  INCLUDES

#include <f32file.h>

#include "EPos_CPosLmXmlParser.h"

/**

 *  Parser implementation for KML format.

 */

class CPosLmKmlParser : public CPosLmXmlParser

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        * @returns A new instance of this class.

        * @param aMimeType Mime type of the file.

        */

        static CPosLmKmlParser* NewL( TAny* aMimeType);

        /**

        * Destructor.

        */

        virtual ~CPosLmKmlParser();

     protected: // From Xml::MContentHandler   

        void OnStartElementL(

            const Xml::RTagInfo& aElement,

            const Xml::RAttributeArray& aAttributes,

            TInt aErrorCode );

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

        /**

        * @param aDocParam Document parameters.

        * @param aErrorCode A error code.

        */

        void OnStartDocumentL(

            const Xml::RDocumentParameters& aDocParam,

            TInt aErrorCode

        );

         /** Determines type of attribute */

        TPosXmlTagType AttributeTypeL( 

            TPosXmlTagType aParent, 

            const Xml::RTagInfo& aElement );

    protected: //From CposXmlParser

        /**

        * Parses next part of either buffer or from file.

        *

        * @param[out] aProgress The progress of the parsing after the function

        *   is finished.

        * @return KErrNone if parsing is ready, otherwise

        * KPosLmOperationNotComplete.

        */

        virtual TInt ParseNextPartL( TReal32& aProgress );

        /**

        * @param aFile The file containing the landmark content.

        */

        void SetInputFileL( const TDesC&  aFile );

        /**

        * @param aFileHandle The handle to the file which should be parsed.

        */

        void SetInputFileHandleL( RFile&  aFileHandle );

        void OnAttributesL( TPosXmlTagType aTag, const Xml::RAttributeArray& aAttributes );

        void RemoveTagsL( TPosXmlTagType aTag );

        void GetNextAllowedTagsL( RArray<TPosXmlTagType>& aChildTags );

        void CheckMandatoryTagsL( TPosXmlTagType aTag );

        TBool IsLandmarkStarted( TPosXmlTagType aTag );

        TBool IsCategoryStarted( TPosXmlTagType aTag );

        void SetContentL( TPosXmlTagType aTag, const TDesC& aContent );

        TPosXmlTagType TagTypeL( const Xml::RTagInfo& aElement );

        TBool IsTreeTag( TPosXmlTagType aTag );

        virtual TBool EqualsTagL( const TDesC8& aTag, const TDesC& aDefinedTag );

    protected:

    		/** 

    		*Clear data, after all the parsing done, if Required 

    		*/

        virtual void ClearParserData();

    private:

        /**

        * C++ default constructor.

        */

        CPosLmKmlParser(TAny* aMimeType);

        /** 

        *check that given string contains only numbers

        *@param aStr input string

        */

		TBool IsNumber( const TDesC& aStr);

		/** 

		* Calculate and returns the number of KML file packed inside KMZ file 

		*

		*/

		TInt GetKmlFileCountL(const TDesC& aFileName);

        // By default, prohibit copy constructor

        CPosLmKmlParser( const CPosLmKmlParser& );

        // Prohibit assigment operator

        CPosLmKmlParser& operator= ( const CPosLmKmlParser& );

    private: //data   

    		//Holds category name

        RPointerArray<HBufC> iCategoryArray;

        RArray<TBool> iCategoryAdded;

        TInt iFolderCount;

        TBool iIsKmzFile;

        CDir* iKmlFileList;

        TInt iCurrentProssedFile;

        TBool iPreviousFileCompleted;

    };

#endif      // CPosLmKmlParser_H

// End of File