/*

* Copyright (c) 2004-2006 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: Implementation of PnPMS components

*

*/

#ifndef NHEADWRAPPER_PARSER_H

#define NHEADWRAPPER_PARSER_H

// INCLUDES

#include <e32base.h>

#include "HttpProvStates.h"

class CHttpProvHeaders;

class CHttpProvContentType;

enum TProvisioningActivation

    {

    EProvisioningActivationUser = 0,

    EProvisioningActivationOn,

    EProvisioningActivationOff

    };

class CNHeadWrapperParser : public CBase

    {

public:

    IMPORT_C ~CNHeadWrapperParser();

    /*!

    Constructor

    Does not make an own copy of the data, so aWrapperData should remain

    in the scope during the lifetime of the CNHeadWrapperParser object.

    @param aWrapperData Pointer to a buffer containing HeadWrapper data. 

    */

    IMPORT_C static CNHeadWrapperParser* NewL( const TPtrC8& aWrapperData );

    /*!

    Parses Oma Content provisioning data from wrapper

    */

    IMPORT_C THttpProvStates::TProvisioningStatus Parse();

    /*!

    @return headers

    Leaves with KErrNotFound if there was no headers in the HeadWrapper.

    */

    IMPORT_C const TDesC8& GetHeadersL() const;

    /*!

    @return  content type

    Leaves with KErrNotFound if there was no content type in the HeadWrapper.

    */

    IMPORT_C const TDesC8& GetContentTypeL() const;

    /*!

    @return content data

    */

    IMPORT_C const TDesC8& GetContentL() const;

    /*!

    @return report URL from the provisioned data

    */

    IMPORT_C const TDesC8& GetReportUrlL() const;

    /*!

    @return 

    ETrue if there was no "Provisioning Activation" header

    in the provisioned head wrapper or if the header was set to value "1"

    */

    IMPORT_C TProvisioningActivation GetProvisioningActivation() const;

    /*!

    @return ETrue if there was "User Interaction" header in the

    provisioned head wrapper and it was set to value "1". EFalse

    otherwise.

    */

    IMPORT_C TBool GetUserInteraction() const;

private:

    CNHeadWrapperParser();

    void ConstructL(const TPtrC8& aWrapperData);

    void DoParseL();

    void CheckHeadWrapperL();

    /*

    * Parses Uintvar from beginning of descriptor

    */

    TInt ParseUintVar(const TDesC8& aVarDes, TUint32& aVar, TUint &aVarLength);

    TBool GetBoolParamValueL( const TDesC8& aParam ) const;

private:

    // Wrapper data

    TPtrC8  iWrapperData;

    CHttpProvHeaders*       iHttpProvHeaders;

    CHttpProvContentType*   iHttpProvContentType;

    // headers

    TPtrC8  iHeaders;

    // Content type

    TPtrC8  iContentTypeField;

    // Content of wrapper

    TPtrC8  iContent;            

    };

#endif // NHEADWRAPPER_PARSER_H