icuSources/i18n/ucol_elm.h

   1 /*
   2 *******************************************************************************
   3 *
   4 *   Copyright (C) 2000-2011, International Business Machines
   5 *   Corporation and others.  All Rights Reserved.
   6 *
   7 *******************************************************************************
   8 *   file name:  ucol_elm.h
   9 *   encoding:   US-ASCII
  10 *   tab size:   8 (not used)
  11 *   indentation:4
  12 *
  13 *   created 02/22/2001
  14 *   created by: Vladimir Weinstein
  15 *
  16 *   This program reads the Franctional UCA table and generates
  17 *   internal format for UCA table as well as inverse UCA table.
  18 *   It then writes binary files containing the data: ucadata.dat
  19 *   & invuca.dat
  20 */
  21 #ifndef UCOL_UCAELEMS_H
  22 #define UCOL_UCAELEMS_H
  23
  24 #include "unicode/utypes.h"
  25 #include "unicode/uniset.h"
  26 #include "ucol_tok.h"
  27
  28 #if !UCONFIG_NO_COLLATION
  29
  30 #include "ucol_imp.h"
  31
  32 #ifdef UCOL_DEBUG
  33 #include "cmemory.h"
  34 #include <stdio.h>
  35 #endif
  36
  37 U_CDECL_BEGIN
  38
  39 /* This is the maximum trie capacity for the mapping trie.
  40 Due to current limitations in genuca and the design of UTrie,
  41 this number can't be more than 256K.
  42 As of Unicode 5, it currently could safely go to 128K without
  43 a problem. Normally, less than 32K are tailored.
  44 */
  45 #define UCOL_ELM_TRIE_CAPACITY 0x40000
  46
  47 /* This is the maxmun capacity for temparay combining class
  48  * table.  The table will be compacted after scanning all the
  49  * Unicode codepoints.
  50 */
  51 #define UCOL_MAX_CM_TAB  0x10000
  52
  53
  54 typedef struct {
  55     uint32_t *CEs;
  56     int32_t position;
  57     int32_t size;
  58 } ExpansionTable;
  59
  60 typedef struct {
  61     UChar prefixChars[128];
  62     UChar *prefix;
  63     uint32_t prefixSize;
  64     UChar uchars[128];
  65     UChar *cPoints;
  66     uint32_t cSize;          /* Number of characters in sequence - for contraction */
  67     uint32_t noOfCEs;        /* Number of collation elements                       */
  68     uint32_t CEs[128];      /* These are collation elements - there could be more than one - in case of expansion */
  69     uint32_t mapCE;         /* This is the value element maps in original table   */
  70     uint32_t sizePrim[128];
  71     uint32_t sizeSec[128];
  72     uint32_t sizeTer[128];
  73     UBool caseBit;
  74     UBool isThai;
  75 } UCAElements;
  76
  77 typedef struct {
  78   uint32_t *endExpansionCE;
  79   UBool    *isV;
  80   int32_t   position;
  81   int32_t   size;
  82   uint8_t   maxLSize;
  83   uint8_t   maxVSize;
  84   uint8_t   maxTSize;
  85 } MaxJamoExpansionTable;
  86
  87 typedef struct {
  88   uint32_t *endExpansionCE;
  89   uint8_t  *expansionCESize;
  90   int32_t   position;
  91   int32_t   size;
  92 } MaxExpansionTable;
  93
  94 typedef struct {
  95     uint16_t   index[256];  /* index of cPoints by combining class 0-255. */
  96     UChar      *cPoints;    /* code point array of all combining marks */
  97     uint32_t   size;        /* total number of combining marks */
  98 } CombinClassTable;
  99
 100 typedef struct {
 101   /*CompactEIntArray      *mapping; */
 102   UNewTrie                 *mapping;
 103   ExpansionTable        *expansions;
 104   struct CntTable       *contractions;
 105   UCATableHeader        *image;
 106   UColOptionSet         *options;
 107   MaxExpansionTable     *maxExpansions;
 108   MaxJamoExpansionTable *maxJamoExpansions;
 109   uint8_t               *unsafeCP;
 110   uint8_t               *contrEndCP;
 111   const UCollator       *UCA;
 112   UHashtable      *prefixLookup;
 113   CombinClassTable      *cmLookup;  /* combining class lookup for tailoring. */
 114 } tempUCATable;
 115
 116 typedef struct {
 117     UChar cp;
 118     uint16_t cClass;   // combining class
 119 }CompData;
 120
 121 typedef struct {
 122     CompData *precomp;
 123     int32_t precompLen;
 124     UChar *decomp;
 125     int32_t decompLen;
 126     UChar *comp;
 127     int32_t compLen;
 128     uint16_t curClass;
 129     uint16_t tailoringCM;
 130     int32_t  cmPos;
 131 }tempTailorContext;
 132
 133 U_CAPI tempUCATable * U_EXPORT2 uprv_uca_initTempTable(UCATableHeader *image, UColOptionSet *opts, const UCollator *UCA, UColCETags initTag, UColCETags supplementaryInitTag, UErrorCode *status);
 134 U_CAPI void U_EXPORT2 uprv_uca_closeTempTable(tempUCATable *t);
 135 U_CAPI uint32_t U_EXPORT2 uprv_uca_addAnElement(tempUCATable *t, UCAElements *element, UErrorCode *status);
 136 U_CAPI UCATableHeader * U_EXPORT2 uprv_uca_assembleTable(tempUCATable *t, UErrorCode *status);
 137
 138 U_CAPI int32_t U_EXPORT2
 139 uprv_uca_canonicalClosure(tempUCATable *t, UColTokenParser *src,
 140                           icu::UnicodeSet *closed, UErrorCode *status);
 141
 142 U_CDECL_END
 143
 144 #endif /* #if !UCONFIG_NO_COLLATION */
 145
 146 #endif