1 /*

     2 * Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  SVG Engine header file

    15  *

    16 */

    17 

    18 

    19 #ifndef __INC_TTokenizer__

    20 #define __INC_TTokenizer__

    21 

    22 #if !defined(__E32BASE_H__)

    23 #include <e32base.h>

    24 #endif

    25 

    26 class TTokenizer

    27 {

    28 public:

    29     TTokenizer( const TPtrC& aString );

    30 

    31     TBool IsAtEnd();

    32     TInt EndIndex();

    33 

    34     TUint16 NextChar();

    35     void Advance( TInt count = 1 );

    36 

    37     TBool SkipWhiteSpace();

    38     TBool SkipInteger();

    39     TBool SkipDecimal();

    40     TBool SkipHex();

    41 

    42     TBool SkipUntilEnd( );

    43     TBool SkipUntil( TUint16 aChar );

    44 

    45     TBool StartsWith( const TDesC& aString );

    46 

    47     TPtrC SkippedString();

    48 

    49     TPtrC Remainder();

    50 

    51     static TBool IsWhiteSpace( TUint16 aChar );

    52     static TBool IsDigit( TUint16 aChar );

    53     static TBool IsHexDigit( TUint16 aChar );

    54 

    55     static TInt IndexOf( const TDesC& aString, TUint16 aChar );

    56 

    57     // return a trim string at both ends

    58     static TPtrC Trim( const TDesC& aString );

    59     

    60     static TBool ParseDecimal( const TDesC& aString, TReal32& aValue, TPtrC& aRemainder );

    61 

    62 

    63 

    64 private:

    65     TPtrC iString;

    66     TInt iCurrentIndex;

    67     TInt iPreviousIndex;

    68 

    69 };

    70 

    71 

    72 #endif //__INC_TTokenizer__