icuSources/layout/LigatureSubstProc2.h

   1 /*
   2  *
   3  * (C) Copyright IBM Corp.  and others 1998-2014 - All Rights Reserved
   4  *
   5  */
   6
   7 #ifndef __LIGATURESUBSTITUTIONPROCESSOR2_H
   8 #define __LIGATURESUBSTITUTIONPROCESSOR2_H
   9
  10 /**
  11  * \file
  12  * \internal
  13  */
  14
  15 #include "LETypes.h"
  16 #include "MorphTables.h"
  17 #include "SubtableProcessor2.h"
  18 #include "StateTableProcessor2.h"
  19 #include "LigatureSubstitution.h"
  20
  21 U_NAMESPACE_BEGIN
  22
  23 class LEGlyphStorage;
  24
  25 #define nComponents 16
  26
  27 class LigatureSubstitutionProcessor2 : public StateTableProcessor2
  28 {
  29 public:
  30     virtual void beginStateTable();
  31
  32     virtual le_uint16 processStateEntry(LEGlyphStorage &glyphStorage, le_int32 &currGlyph,
  33                                         EntryTableIndex2 index, LEErrorCode &success);
  34
  35     virtual void endStateTable();
  36
  37     LigatureSubstitutionProcessor2(const LEReferenceTo<MorphSubtableHeader2> &morphSubtableHeader, LEErrorCode &success);
  38     virtual ~LigatureSubstitutionProcessor2();
  39
  40     /**
  41      * ICU "poor man's RTTI", returns a UClassID for the actual class.
  42      *
  43      * @deprecated ICU 54. See {@link icu::LayoutEngine}
  44      */
  45     virtual UClassID getDynamicClassID() const;
  46
  47     /**
  48      * ICU "poor man's RTTI", returns a UClassID for this class.
  49      *
  50      * @deprecated ICU 54. See {@link icu::LayoutEngine}
  51      */
  52     static UClassID getStaticClassID();
  53
  54 private:
  55     LigatureSubstitutionProcessor2();
  56
  57 protected:
  58     le_uint32 ligActionOffset;
  59     le_uint32 componentOffset;
  60     le_uint32 ligatureOffset;
  61
  62     LEReferenceToArrayOf<LigatureSubstitutionStateEntry2> entryTable;
  63
  64     le_int32 componentStack[nComponents];
  65     le_int16 m;
  66
  67     const LEReferenceTo<LigatureSubstitutionHeader2> ligatureSubstitutionHeader;
  68
  69 };
  70
  71 U_NAMESPACE_END
  72 #endif