/*

  *

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

  *

  */

 #ifndef __LIGATURESUBSTITUTIONPROCESSOR_H

 #define __LIGATURESUBSTITUTIONPROCESSOR_H

 /**

  * \file

  * \internal

  */

 #include "LETypes.h"

 #include "MorphTables.h"

 #include "SubtableProcessor.h"

 #include "StateTableProcessor.h"

 #include "LigatureSubstitution.h"

 U_NAMESPACE_BEGIN

 class LEGlyphStorage;

 #define nComponents 16

 class LigatureSubstitutionProcessor : public StateTableProcessor

 {

 public:

     virtual void beginStateTable();

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

     virtual void endStateTable();

     LigatureSubstitutionProcessor(const MorphSubtableHeader *morphSubtableHeader);

     virtual ~LigatureSubstitutionProcessor();

     /**

      * 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:

     LigatureSubstitutionProcessor();

 protected:

     ByteOffset ligatureActionTableOffset;

     ByteOffset componentTableOffset;

     ByteOffset ligatureTableOffset;

     const LigatureSubstitutionStateEntry *entryTable;

     le_int32 componentStack[nComponents];

     le_int16 m;

     const LigatureSubstitutionHeader *ligatureSubstitutionHeader;

 };

 U_NAMESPACE_END

 #endif