/*

* Copyright (c) 2006-2007 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:      Generates XML from an UPNP Item

*

*/

#ifndef C_UPNPITEMTOXML_H

#define C_UPNPITEMTOXML_H

// INCLUDES

#include <e32base.h>

#include <s32mem.h>

// CONSTANTS

// None

// MACROS

// None

// FORWARD DECLARATIONS

class CUpnpItem;

/**

 * Converts an UPnP item to xml document

 *

 * @since Series 60 3.2

 * @lib upnpxmlparser.lib

 */

NONSHARABLE_CLASS( CUpnpItemToXML ) : public CBase

    {

public:  // Constructors and destructor

    /**

     * Two-phased constructor.

     *

     * @param aItem

     * @return new instance

     */

    static CUpnpItemToXML* NewL( const CUpnpItem& aItem );

    /**

     * Two-phased constructor.

     *

     * @param aItem

     * @return new instance

     */

    static CUpnpItemToXML* NewLC( const CUpnpItem& aItem );

    /**

     * Destructor.

     */

    virtual ~CUpnpItemToXML();

public: // Functions from CUPnPObject

    /**

     * Returns object's XML description

     * Leaves in case of errors.

     * @since Series 60 3.1

     * @param none

     * @return HBufC8 pointer to buffer containing XML data

     */

    HBufC8* AsXmlL( const TBool aIncludeChilds = ETrue );

    /**

     * Returns object's XML description. This version of the method

     * is used to create the XML with empty <res> tag

     * Leaves in case of errors.

     * @since Series 60 3.1

     * @param None

     * @return HBufC8 pointer to buffer containing XML data

     */

    HBufC8* AsXmlEmptyL();

    /**

     * CUpnpItemToXML::AsResultArgumentL

     * Returns object's XML description that is embedded inside a

     * DIDL-LITE tag. The <res> tag of xml description is empty.

     * The returned value is xml encoded can therefore be used

     * for example when creating a CreateObject action.

     * @since Series 60 3.1

     * @param none

     * @return TDesC8& the date string

     */

    HBufC8* AsResultArgumentL();

    /**

     * Creates valid XML headers to source data. Do not decode the XML.

     *

     * @since Series 60 3.1

     * @param TDesC8 reference to source data

     * @return HBufC8 buffer to valid XML

     */

    HBufC8* CreateUnDecodedXmlL( const TDesC8& aData );

private:

    /**

     * Return value from an element

     *

     * @param aElemenName (const TDesC8&) name of the element

     * @return (const TDesC8&) value of the element

     */

    const TDesC8& GetValueFromElement(

                                const TDesC8& aElementName );

    /**

     * Validates format of dc:date

     *

     * @param aDate dc:date string

     * @return ETrue if format of dc:date is valid

     */

    TBool ValidateDateL( const TDesC8& aDate );

    /**

     * Validates format of res@duration

     *

     * @param aDuration res@duration string

     * @return ETrue if format of res@duration is valid

     */

    TBool ValidateDurationL( const TDesC8& aDuration );

    /**

     * Parse to a delimeter

     *

     * @param aLexer lexer

     * @param aDelimeter delimeter character

     */

    void ParseToDelimeter( TLex8& aLex, TChar aDelimeter );    

    void FillMetaDataL(RBufWriteStream& aStream);

private:

    /**

     * C++ default constructor.

     */

    CUpnpItemToXML( const CUpnpItem& aItem );

    /**

     * By default Symbian 2nd phase constructor is private.

     */

    void ConstructL();

private:    // Data

    CUpnpItem*  iItem; // Not own

    };

#endif      // C_UPNPITEMTOXML_H

// End of File