intl/uconv/util/umap.h

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  37  * ***** END LICENSE BLOCK ***** */
  38 #ifndef __UMAP__
  39 #define __UMAP__
  40
  41 #define NOMAPPING 0xfffd
  42
  43 enum {
  44         uFormat0Tag = 0,
  45         uFormat1Tag,
  46         uFormat2Tag,
  47         uNumFormatTag
  48 };
  49
  50 typedef struct {
  51                 PRUint16 srcBegin;              /* 2 byte       */
  52                 PRUint16 srcEnd;                        /* 2 byte       */
  53                 PRUint16 destBegin;             /* 2 byte       */
  54 } uFormat0;
  55
  56 typedef struct {
  57                 PRUint16 srcBegin;              /* 2 byte       */
  58                 PRUint16 srcEnd;                        /* 2 byte       */
  59                 PRUint16        mappingOffset;  /* 2 byte       */
  60 } uFormat1;
  61
  62 typedef struct {
  63                 PRUint16 srcBegin;              /* 2 byte       */
  64                 PRUint16 srcEnd;                        /* 2 byte       -waste  */
  65                 PRUint16 destBegin;             /* 2 byte       */
  66 } uFormat2;
  67
  68 typedef struct  {
  69         union {
  70                 uFormat0        format0;
  71                 uFormat1        format1;
  72                 uFormat2        format2;
  73         } fmt;
  74 } uMapCell;
  75
  76 #define UMAPCELL_SIZE (3*sizeof(PRUint16))
  77
  78 typedef struct  {
  79         PRUint16                itemOfList;
  80         PRUint16                offsetToFormatArray;
  81         PRUint16                offsetToMapCellArray;
  82         PRUint16                offsetToMappingTable;
  83         PRUint16                data[1];
  84 } uTable;
  85
  86 #endif