icuSources/layout/StateTableProcessor.h

   1 /*
   2  * @(#)StateTableProcessor.h    1.6 00/03/15
   3  *
   4  * (C) Copyright IBM Corp. 1998-2003 - All Rights Reserved
   5  *
   6  */
   7
   8 #ifndef __STATETABLEPROCESSOR_H
   9 #define __STATETABLEPROCESSOR_H
  10
  11 /**
  12  * \file
  13  * \internal
  14  */
  15
  16 #include "LETypes.h"
  17 #include "MorphTables.h"
  18 #include "MorphStateTables.h"
  19 #include "SubtableProcessor.h"
  20
  21 U_NAMESPACE_BEGIN
  22
  23 class StateTableProcessor : public SubtableProcessor
  24 {
  25 public:
  26     void process(LEGlyphID *glyphs, le_int32 *charIndices, le_int32 glyph);
  27
  28     virtual void beginStateTable() = 0;
  29
  30     virtual ByteOffset processStateEntry(LEGlyphID *glyphs, le_int32 *charIndices, le_int32 &currGlyph,
  31         le_int32 glyphCount, EntryTableIndex index) = 0;
  32
  33     virtual void endStateTable() = 0;
  34
  35 protected:
  36     StateTableProcessor(const MorphSubtableHeader *morphSubtableHeader);
  37     virtual ~StateTableProcessor();
  38
  39     StateTableProcessor();
  40
  41     le_int16 stateSize;
  42     ByteOffset classTableOffset;
  43     ByteOffset stateArrayOffset;
  44     ByteOffset entryTableOffset;
  45
  46     const ClassTable *classTable;
  47     TTGlyphID firstGlyph;
  48     TTGlyphID lastGlyph;
  49
  50     const MorphStateTableHeader *stateTableHeader;
  51
  52 private:
  53     StateTableProcessor(const StateTableProcessor &other); // forbid copying of this class
  54     StateTableProcessor &operator=(const StateTableProcessor &other); // forbid copying of this class
  55 };
  56
  57 U_NAMESPACE_END
  58 #endif