/*

* Copyright (c) 2003 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:  SVG Implementation source file

 *

*/

#include "SVGStringTokenizer.h"

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

//

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

TStringTokenizer::TStringTokenizer( const TDesC& aSrc, const TDesC& aDelim ) : iSrc( aSrc ),

                                                                               iDelim( aDelim )

    {

    SkipDeliminator( iDelim );

    }

//

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

//

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

TPtrC TStringTokenizer::NextToken()

    {

    return NextToken( iDelim );

    }

//

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

//

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

TPtrC TStringTokenizer::NextToken( const TDesC& aDelim )

    {

    iSrc.Mark();

    TChar tmpchar = iSrc.Peek();

    while ( !isDeliminator( tmpchar, aDelim ) && !iSrc.Eos() )

        {

        iSrc.Inc();

        tmpchar = iSrc.Peek();

        }

    TPtrC token = iSrc.MarkedToken();

    SkipDeliminator( aDelim );

    return token;

    }

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

//

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

TBool TStringTokenizer::HasMoreTokens()

    {

    return !iSrc.Eos();

    }

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

//

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

TBool TStringTokenizer::isDeliminator( TChar aChar, const TDesC& aDelim )

    {

    TUint16 ch = ( TUint16 ) ( TUint ) aChar;

    TInt32 delimLength = aDelim.Length();

    for ( TInt32 i = 0; i < delimLength; i++ )

        {

        if ( ch == aDelim[i] )

            return ETrue;

        }

    return EFalse;

    }

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

//

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

void TStringTokenizer::SkipDeliminator( const TDesC& aDelim )

    {

    TChar tmpchar = iSrc.Peek();

    while ( isDeliminator( tmpchar, aDelim ) && !iSrc.Eos() )

        {

        iSrc.Inc();

        tmpchar = iSrc.Peek();

        }

    }