/*

* Copyright (c) 2002 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:  Principal parsing process is defined by the CPhoneGsmParser

*                class.

*

*/

// INCLUDE FILES

#include    <bldvariant.hrh>

// CONSTANTS

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// CPhoneGsmParser::NewL

// -----------------------------------------------------------------------------

//

CPhoneGsmParser* CPhoneGsmParser::NewL( 

        CPhoneGsmParserBase* aSsProcedure,

        CPhoneGsmParserBase* aSimControlProcedure,

        CPhoneGsmParserBase* aPhoneNumber,

        CPhoneGsmParserBase* aManufacturerSpecific,

        CPhoneGsmParserBase* aEmergencyNumberParser,

    {

    // Ownership of these instances is transferred, thus

    // creation of the instance must not leave. 

    CPhoneGsmParser* self = 

        new CPhoneGsmParser(

            aSsProcedure,

            aSimControlProcedure,

            aPhoneNumber,

            aManufacturerSpecific,

            aEmergencyNumberParser,

    if ( !self )

        {

        delete aSsProcedure;

        delete aSimControlProcedure;

        delete aPhoneNumber;

        delete aManufacturerSpecific;

        delete aEmergencyNumberParser;

        delete aVoipNumber;

        User::Leave( KErrNoMemory );

        }

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

// -----------------------------------------------------------------------------

// CPhoneGsmParser::~CPhoneGsmParser

// -----------------------------------------------------------------------------

//

CPhoneGsmParser::~CPhoneGsmParser()

    {

    delete iGsmSsProcedure;

    delete iGsmSimControlProcedure;

    delete iGsmPhoneNumber;

    delete iGsmManufacturerProcedure;

    delete iGsmEmergencyNumber;

    delete iVoipNumber;

    CPhoneParserFeatures::Free();

    }

// -----------------------------------------------------------------------------

// CPhoneGsmParser::CPhoneGsmParser

// -----------------------------------------------------------------------------

//

CPhoneGsmParser::CPhoneGsmParser( 

        CPhoneGsmParserBase* aSsProcedure,

        CPhoneGsmParserBase* aSimControlProcedure,

        CPhoneGsmParserBase* aPhoneNumber,

        CPhoneGsmParserBase* aManufacturerSpecific,

        CPhoneGsmParserBase* aEmergencyNumberParser,

    : iGsmSsProcedure( aSsProcedure ), 

      iGsmSimControlProcedure( aSimControlProcedure ),

      iGsmPhoneNumber( aPhoneNumber ),

      iGsmManufacturerProcedure( aManufacturerSpecific ),

      iGsmEmergencyNumber( aEmergencyNumberParser ),

    {

    }

// -----------------------------------------------------------------------------

// CPhoneGsmParser::ConstructL

// -----------------------------------------------------------------------------

//

void CPhoneGsmParser::ConstructL()

    {

    // If we didn't receive a parser for something, then create dummy.

    if ( !iGsmSsProcedure )

        {

        iGsmSsProcedure = CPhoneGsmDummyParser::NewL();

        }

    if ( !iGsmSimControlProcedure )

        {

        iGsmSimControlProcedure = CPhoneGsmDummyParser::NewL();

        }

    if ( !iGsmPhoneNumber )

        {

        iGsmPhoneNumber = CPhoneGsmDummyParser::NewL();

        }

    if ( !iGsmManufacturerProcedure )

        {

        iGsmManufacturerProcedure = CPhoneGsmDummyParser::NewL();

        }

    if ( !iGsmEmergencyNumber )

        {

        iGsmEmergencyNumber = CPhoneGsmDummyParser::NewL();

        }

    if ( !iVoipNumber )

        {

        iVoipNumber = CPhoneGsmDummyParser::NewL();

        }

    }

// -----------------------------------------------------------------------------

// CPhoneGsmParser::ParseL

// -----------------------------------------------------------------------------

//

TBool CPhoneGsmParser::ParseL( 

        const TDesC& aString, 

        CPhoneGsmParserResult& aResult,

        CPhoneGsmOptionContainerBase& aOptions )

    {

    TBool result = EFalse;

    result = DoParseL(

            aString,

            aResult, 

            static_cast<CPhoneGsmOptionContainer&>( aOptions ) );

    if ( !result )

        {

        aResult.ClearL();

        }

    return result;

    }

// -----------------------------------------------------------------------------

// CPhoneGsmParser::DoParseL

// -----------------------------------------------------------------------------

//

TBool CPhoneGsmParser::DoParseL( 

        const TDesC& aString,

        CPhoneGsmParserResult& aResult,

        CPhoneGsmOptionContainer& aOptions )

    {

    TBool result = EFalse;

    aResult.ClearL();

    // We do not handle empty strings.

    if ( !aString.Length() )

        {

        return EFalse;

        }

    TBool sendOperation = aOptions.FindOptionStatus( KPhoneOptionSend );

    // Check if emergency number.

    // First check if string is GSM ss procedure supported by MS.

    if ( !result )

        {

        result = iGsmSsProcedure->ParseL( aString, aResult, aOptions );

        }

    if ( !result )

        {

        // Check if it is sim control procedure.

        result = iGsmSimControlProcedure->ParseL( aString, aResult, aOptions );

        }

    if ( !result )

        {

        // Check if it is manufacturer specific procedure.

        result = 

            iGsmManufacturerProcedure->ParseL( aString, aResult, aOptions );

        }

    if ( !result )

        {

        // Check if it voip call.

        result = iVoipNumber->ParseL( aString, aResult, aOptions );

        }

    if ( !result )

        {

        result = iGsmPhoneNumber->ParseL( aString, aResult, aOptions );

        }

    if ( !result )

        {

        result = DefineAsUssdL( aString, aResult, aOptions );

        } 

    return result;

    }

// -----------------------------------------------------------------------------

// CPhoneGsmParser::DefineAsUssd

// -----------------------------------------------------------------------------

//

TBool CPhoneGsmParser::DefineAsUssdL( 

        const TDesC& aString,

        CPhoneGsmParserResult& aResult,

        CPhoneGsmOptionContainer& aOptions )

    {

    aResult.ClearL();

    TBool result = aOptions.FindOptionStatus( KPhoneOptionSend );

    if ( result )

        {

        aResult.SetUid( KPhoneUidUnstructuredService );

        aResult.AddParameterL( aString );

        }

    return result;

    }

//  End of File