/*

* 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:  Parser for call concerned SS procedures.

*

*/

// INCLUDE FILES

// CONSTANTS

const TInt KPhoneCommandLength = 1;

// The length of the following are expected to be KPhoneCommandLength.

_LIT( KPhoneCommand0, "0" );

_LIT( KPhoneCommand1, "1" );

_LIT( KPhoneCommand2, "2" );

_LIT( KPhoneCommand3, "3" );

_LIT( KPhoneCommand4, "4" );

// 2 character commands.

const TInt KPhoneCommandXLength = 2;

_LIT( KPhoneCommand2X, "2" );

_LIT( KPhoneCommand1X, "1" );

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

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

// CPhoneGsmSsCallParser::CPhoneGsmSsCallParser

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

//

CPhoneGsmSsCallParser::CPhoneGsmSsCallParser()

    {

    }

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

// CPhoneGsmSsCallParser::NewLC

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

//

CPhoneGsmSsCallParser* CPhoneGsmSsCallParser::NewLC()

    {

    CPhoneGsmSsCallParser* self = 

        new ( ELeave ) CPhoneGsmSsCallParser;

    CleanupStack::PushL( self );

    return self;

    }

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

// CPhoneGsmSsCallParser::ParseL

//

// Parse call concerned ss strings.

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

//

TBool CPhoneGsmSsCallParser::ParseL( 

        const TDesC& aString,

        CPhoneGsmParserResult& aResult,

        CPhoneGsmOptionContainerBase& aOptions )

    {

    aResult.ClearL();

    if ( !aOptions.FindOptionStatus( KPhoneOptionInCall ) ||

         !aOptions.FindOptionStatus( KPhoneOptionSend ) )

        {

        return EFalse;

        }

    TInt length = aString.Length();

    if ( length == KPhoneCommandXLength )

        {

        // Check one character from the beginning.

        TPtrC prefix( aString.Left( 1 ) );

        if ( prefix == KPhoneCommand1X )

            {

            TLex lex( aString.Right(1) );

            TUint32 value;

            if ( lex.Val( value, EDecimal ) == KErrNone )

                {

                aResult.SetUid( KPhoneUidCommand1 );

                aResult.SetAuxInformation( value + 1 );

                }           

            }

        else if ( prefix == KPhoneCommand2X )

            {

            TLex lex( aString.Right(1) );

            TUint32 value;

            if ( lex.Val( value, EDecimal ) == KErrNone )

                {

                aResult.SetUid( KPhoneUidCommand2 );

                aResult.SetAuxInformation( value + 1 );

                }

            }

        }

    else

        {

        if ( length == KPhoneCommandLength )

            {

            if ( aString == KPhoneCommand0 )

                {

                aResult.SetUid( KPhoneUidCommand0 );

                }

            else if ( aString == KPhoneCommand1 )

                {

                aResult.SetUid( KPhoneUidCommand1 );

                }

            else if ( aString == KPhoneCommand2 )

                {

                aResult.SetUid( KPhoneUidCommand2 );

                }

            else if ( aString == KPhoneCommand3 )

                {

                aResult.SetUid( KPhoneUidCommand3 );

                }

            else if ( aString == KPhoneCommand4 )

                {

                aResult.SetUid( KPhoneUidCommand4 );

                }

            }

        }

    return ( aResult.Uid() != KPhoneGsmUidInvalid );

    }

//  End of File