/*

* Copyright (c) 2008 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:  Represent single xmluiml attribute

*

*/

#ifndef hsps_DOM_ATTRIBUTE_H

#define hsps_DOM_ATTRIBUTE_H

//  INCLUDES

#include    <e32base.h>

#include    <s32strm.h>

#include    "mhspsdomlistitem.h"

//CLASS FORWARD

class ChspsDomStringPool;

// CLASS DECLARATION

/**

 * Represent attribute name and value as strings. 

 *

 * @lib hspsdomdocument.lib

 * @since S60 5.0

 * @ingroup group_group_hspsdom

 */

class ChspsDomAttribute : public CBase, public MhspsDomListItem

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor 8 bit.

        * 

        * @since S60 5.0

        * @param aName          Name of attribute.

        * @param aStringPool    Attached string pool.

        */

        IMPORT_C static ChspsDomAttribute* NewL( 

            const TDesC8& aName, 

            ChspsDomStringPool& aStringPool );

        /**

        * Two-phased stream constructor.

        * 

        * @since S60 5.0

        * @param aStream        Source stream.

        * @param aStringPool    Attached string pool.

        */

        static ChspsDomAttribute* NewL( 

            RReadStream& aStream, 

            ChspsDomStringPool& aStringPool );

        /**

        * Destructor.

        */

        IMPORT_C virtual ~ChspsDomAttribute();

    public: // New functions

        /**

        * Makes a copy from original attribute.

        * 

        * @since S60 5.0

        * @return Pointer to attribute. Attribute ownership is transferred to a caller.

        */

        IMPORT_C ChspsDomAttribute* CloneL();        

        /**

        * Makes a copy from original property.

        * 

        * @since S60 5.0

        * @param aStringPool Original string pool clone.

        * @return Pointer to an attribute. Ownership is transferred to a caller.

        */

        ChspsDomAttribute* CloneL( ChspsDomStringPool& aStringPool );        

        /**

        * Get the attribute value.

        * 

        * @since S60 5.0

        * @return Pointer to a attribute value string. If value is not set KNullDesC8 is returned. 

        */

        IMPORT_C const TDesC8& Value();

        /**

        * Set attribute value.

        * 

        * @since S60 5.0

        * @param aValue Attribute string value.

        */

        IMPORT_C void SetValueL( const TDesC8& aValue );

        /**

        * Get the attributes name string pool index.

        *  

        * @since S60 5.0

        * @return String pool index.

        */

        IMPORT_C TInt16 NameStringPoolIndex()const;

        /**

        * Get the attributes value string pool index.

        *  

        * @since S60 5.0

        * @return String pool index.

        */

        IMPORT_C TInt16 ValueStringPoolIndex()const;

    public: //From ChspsDomListItem

        /**

        * Documented in ChspsDomListItem::Size

        * 

        * @since S60 5.0

        * @return Name.

        */

        IMPORT_C const TDesC8& Name();

        /**

        * Documented in ChspsDomListItem::Size.

        */

        TInt Size() const;

        /**

        * Documented in ChspsDomListItem::Size.

        */

        void ExternalizeL( RWriteStream& aStream ) const;

        /**

        * Internalize property.

        * 

        * @since S60 5.0

        * @param aStream Input stream.

        */

        void InternalizeL( RReadStream& aStream );    

    private:

        /**

        * C++ default constructor.

        */

        ChspsDomAttribute( ChspsDomStringPool& aStringPool );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL( const TDesC8& aName );

    private:    // Data

        //String pool to get string for references, not owned.

        ChspsDomStringPool& iStringPool;

        //Attribute name reference.

        TInt16         iNameRef;

        //Attribute value reference.

        TInt16         iValueRef;

    };

#endif      // hsps_DOM_ATTRIBUTE_H   

// End of File