icuSources/layout/StateTables.h

   1 /*
   2  *
   3  * (C) Copyright IBM Corp. and others 1998-2013 - All Rights Reserved
   4  *
   5  */
   6
   7 #ifndef __STATETABLES_H
   8 #define __STATETABLES_H
   9
  10 /**
  11  * \file
  12  * \internal
  13  */
  14
  15 #include "LETypes.h"
  16 #include "LayoutTables.h"
  17
  18 U_NAMESPACE_BEGIN
  19
  20 struct StateTableHeader
  21 {
  22     le_int16 stateSize;
  23     ByteOffset classTableOffset;
  24     ByteOffset stateArrayOffset;
  25     ByteOffset entryTableOffset;
  26 };
  27
  28 struct StateTableHeader2
  29 {
  30     le_uint32 nClasses;
  31     le_uint32 classTableOffset;
  32     le_uint32 stateArrayOffset;
  33     le_uint32 entryTableOffset;
  34 };
  35
  36 enum ClassCodes
  37 {
  38     classCodeEOT = 0,
  39     classCodeOOB = 1,
  40     classCodeDEL = 2,
  41     classCodeEOL = 3,
  42     classCodeFirstFree = 4,
  43     classCodeMAX = 0xFF
  44 };
  45
  46 typedef le_uint8 ClassCode;
  47
  48 struct ClassTable
  49 {
  50     TTGlyphID firstGlyph;
  51     le_uint16 nGlyphs;
  52     ClassCode classArray[ANY_NUMBER];
  53 };
  54
  55 enum StateNumber
  56 {
  57     stateSOT        = 0,
  58     stateSOL        = 1,
  59     stateFirstFree  = 2,
  60     stateMAX        = 0xFF
  61 };
  62
  63 typedef le_uint8 EntryTableIndex;
  64
  65 struct StateEntry
  66 {
  67     ByteOffset  newStateOffset;
  68     le_int16    flags;
  69 };
  70
  71 typedef le_uint16 EntryTableIndex2;
  72
  73 struct StateEntry2 // same struct different interpretation
  74 {
  75     le_uint16    newStateIndex;
  76     le_uint16    flags;
  77 };
  78
  79 U_NAMESPACE_END
  80 #endif
  81