icuSources/i18n/ucol_cnt.h

   1 /*
   2 *******************************************************************************
   3 *
   4 *   Copyright (C) 2001-2008, International Business Machines
   5 *   Corporation and others.  All Rights Reserved.
   6 *
   7 *******************************************************************************
   8 *   file name:  ucol_tok.cpp
   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 module maintains a contraction table structure in expanded form
  17 * and provides means to flatten this structure
  18 *
  19 */
  20
  21 #ifndef UCOL_CNTTABLE_H
  22 #define UCOL_CNTTABLE_H
  23
  24 #include "unicode/utypes.h"
  25
  26 #if !UCONFIG_NO_COLLATION
  27
  28 #include "utrie.h"
  29 #include "ucol_imp.h"
  30
  31 U_CDECL_BEGIN
  32
  33 #define UPRV_CNTTAB_NEWELEMENT 0xFFFFFF
  34
  35 #define isCntTableElement(CE) (isSpecial((CE)) && \
  36 ((getCETag((CE)) == CONTRACTION_TAG)||(getCETag((CE)) == SPEC_PROC_TAG)))
  37
  38 typedef struct ContractionTable ContractionTable;
  39 struct ContractionTable {
  40     UChar *codePoints;
  41     uint32_t *CEs;
  42     uint32_t position;
  43     uint32_t size;
  44 };
  45
  46 struct CntTable {
  47     ContractionTable **elements;
  48     /*CompactEIntArray *mapping;*/
  49     UNewTrie *mapping;
  50     UChar *codePoints;
  51     uint32_t *CEs;
  52     int32_t *offsets;
  53     int32_t position;
  54     int32_t size;
  55     int32_t capacity;
  56     UColCETags currentTag;
  57 };
  58
  59 U_CAPI CntTable* U_EXPORT2
  60 /*uprv_cnttab_open(CompactEIntArray *mapping, UErrorCode *status);*/
  61 uprv_cnttab_open(UNewTrie *mapping, UErrorCode *status);
  62 U_CAPI CntTable* U_EXPORT2
  63 uprv_cnttab_clone(CntTable *table, UErrorCode *status);
  64 U_CAPI void U_EXPORT2
  65 uprv_cnttab_close(CntTable *table);
  66
  67 /* construct the table for output */
  68 U_CAPI int32_t U_EXPORT2
  69 uprv_cnttab_constructTable(CntTable *table, uint32_t mainOffset, UErrorCode *status);
  70 /* adds more contractions in table. If element is non existant, it creates on. Returns element handle */
  71 U_CAPI uint32_t U_EXPORT2
  72 uprv_cnttab_addContraction(CntTable *table, uint32_t element, UChar codePoint, uint32_t value, UErrorCode *status);
  73 /* sets a part of contraction sequence in table. If element is non existant, it creates on. Returns element handle */
  74 U_CAPI uint32_t U_EXPORT2
  75 uprv_cnttab_setContraction(CntTable *table, uint32_t element, uint32_t offset, UChar codePoint, uint32_t value, UErrorCode *status);
  76 /* inserts a part of contraction sequence in table. Sequences behind the offset are moved back. If element is non existant, it creates on. Returns element handle */
  77 U_CAPI uint32_t U_EXPORT2
  78 uprv_cnttab_insertContraction(CntTable *table, uint32_t element, UChar codePoint, uint32_t value, UErrorCode *status);
  79 /* this is for adding non contractions */
  80 U_CAPI uint32_t U_EXPORT2
  81 uprv_cnttab_changeLastCE(CntTable *table, uint32_t element, uint32_t value, UErrorCode *status);
  82
  83 U_CAPI int32_t U_EXPORT2
  84 uprv_cnttab_findCP(CntTable *table, uint32_t element, UChar codePoint, UErrorCode *status);
  85
  86 U_CAPI uint32_t U_EXPORT2
  87 uprv_cnttab_getCE(CntTable *table, uint32_t element, uint32_t position, UErrorCode *status);
  88
  89 U_CAPI uint32_t U_EXPORT2
  90 uprv_cnttab_changeContraction(CntTable *table, uint32_t element, UChar codePoint, uint32_t newCE, UErrorCode *status);
  91
  92 U_CAPI uint32_t U_EXPORT2
  93 uprv_cnttab_findCE(CntTable *table, uint32_t element, UChar codePoint, UErrorCode *status);
  94
  95 U_CAPI UBool U_EXPORT2
  96 uprv_cnttab_isTailored(CntTable *table, uint32_t element, UChar *ztString, UErrorCode *status);
  97
  98 U_CDECL_END
  99
 100 #endif /* #if !UCONFIG_NO_COLLATION */
 101
 102 #endif