1 /*

     2  *

     3  * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved

     4  *

     5  */

     6 

     7 #ifndef __CONTEXTUALGLYPHSUBSTITUTIONPROCESSOR_H

     8 #define __CONTEXTUALGLYPHSUBSTITUTIONPROCESSOR_H

     9 

    10 /**

    11  * \file

    12  * \internal

    13  */

    14 

    15 #include "LETypes.h"

    16 #include "MorphTables.h"

    17 #include "SubtableProcessor.h"

    18 #include "StateTableProcessor.h"

    19 #include "ContextualGlyphSubstitution.h"

    20 

    21 U_NAMESPACE_BEGIN

    22 

    23 class LEGlyphStorage;

    24 

    25 class ContextualGlyphSubstitutionProcessor : public StateTableProcessor

    26 {

    27 public:

    28     virtual void beginStateTable();

    29 

    30     virtual ByteOffset processStateEntry(LEGlyphStorage &glyphStorage, le_int32 &currGlyph, EntryTableIndex index);

    31 

    32     virtual void endStateTable();

    33 

    34     ContextualGlyphSubstitutionProcessor(const MorphSubtableHeader *morphSubtableHeader);

    35     virtual ~ContextualGlyphSubstitutionProcessor();

    36 

    37     /**

    38      * ICU "poor man's RTTI", returns a UClassID for the actual class.

    39      *

    40      * @stable ICU 2.8

    41      */

    42     virtual UClassID getDynamicClassID() const;

    43 

    44     /**

    45      * ICU "poor man's RTTI", returns a UClassID for this class.

    46      *

    47      * @stable ICU 2.8

    48      */

    49     static UClassID getStaticClassID();

    50 

    51 private:

    52     ContextualGlyphSubstitutionProcessor();

    53 

    54 protected:

    55     ByteOffset substitutionTableOffset;

    56     const ContextualGlyphSubstitutionStateEntry *entryTable;

    57 

    58     le_int32 markGlyph;

    59 

    60     const ContextualGlyphSubstitutionHeader *contextualGlyphSubstitutionHeader;

    61 

    62 };

    63 

    64 U_NAMESPACE_END

    65 #endif