/*

* Copyright (c) 2003 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:  SVG Implementation header file

 *

*/

#ifndef _INC_CSVGATTRIBUTEVERIFIER_

#define _INC_CSVGATTRIBUTEVERIFIER_

#if !defined(__E32BASE_H__)

#include <e32base.h>

#endif

#include <badesca.h>

#define KSVG_COORDINATE_TYPE 2

#define KSVG_LENGTH_TYPE 1

const TInt KMax16BitValue = 32765;

/**

 * This class provides methods to verify attributes values, to reorder

 * the attributes and to check for required attributes for specific elements,

 *

 *  @lib SVGEngine.lib

 *  @since 1.0

 */

class CSvgAttributeVerifier : public CBase

{

    public:

		 /**

         * Parse the given string for a decimal value.

         *

         * @since 1.0

         * @param aNumberString : decimal value string

         * @param aValueStorage : value storage

         * @return ETrue if string is a valid decimal value.

		 */

		static TBool ParseForDecimalValue( const TDesC& aNum2Str, TReal32& aValue, const TDesC& aAttrValue, TBool isSvgElement );

		/**

		 * Verify the range of the value of an attribute based on its type

		 * The string value is converted into the required type and passed back to

		 * the calling function

		 * @since 1.0

		 * @param aValues   : value of the attribute

		 * @param aConvVal  : reference parameter to return the converted value

		 * @param aDatatype : flag to determine the type of datatype

		 * @return ETrue if string is a valid decimal value and lies in a valid range.

		 */

		static TBool ValidAttrValue	(

		    const TDesC& aValue,

			TReal32& aConvVal,

			TUint8 aDatatype,

			const TDesC& aAttrValue,

			TBool isSvgElement

            );

};

#endif