/*

  *

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

  *

  */

 #ifndef __CONTEXTUALGLYPHSUBSTITUTIONPROCESSOR_H

 #define __CONTEXTUALGLYPHSUBSTITUTIONPROCESSOR_H

 /**

  * \file

  * \internal

  */

 #include "LETypes.h"

 #include "MorphTables.h"

 #include "SubtableProcessor.h"

 #include "StateTableProcessor.h"

 #include "ContextualGlyphSubstitution.h"

 U_NAMESPACE_BEGIN

 class LEGlyphStorage;

 class ContextualGlyphSubstitutionProcessor : public StateTableProcessor

 {

 public:

     virtual void beginStateTable();

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

     virtual void endStateTable();

     ContextualGlyphSubstitutionProcessor(const MorphSubtableHeader *morphSubtableHeader);

     virtual ~ContextualGlyphSubstitutionProcessor();

     /**

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

      *

      * @stable ICU 2.8

      */

     virtual UClassID getDynamicClassID() const;

     /**

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

      *

      * @stable ICU 2.8

      */

     static UClassID getStaticClassID();

 private:

     ContextualGlyphSubstitutionProcessor();

 protected:

     ByteOffset substitutionTableOffset;

     const ContextualGlyphSubstitutionStateEntry *entryTable;

     le_int32 markGlyph;

     const ContextualGlyphSubstitutionHeader *contextualGlyphSubstitutionHeader;

 };

 U_NAMESPACE_END

 #endif