icuSources/i18n/ucol_cnt.h

   1 /*
   2 *******************************************************************************
   3 *
   4 *   Copyright (C) 2001, 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 "ucmpe32.h"*/
  29 #include "utrie.h"
  30 #include "uhash.h"
  31 #include "ucol_elm.h"
  32 #include "ucol_imp.h"
  33
  34 U_NAMESPACE_BEGIN
  35
  36 #define UPRV_CNTTAB_NEWELEMENT 0xFFFFFF
  37
  38 #define isCntTableElement(CE) (isSpecial((CE)) && \
  39 ((getCETag((CE)) == CONTRACTION_TAG)||(getCETag((CE)) == SPEC_PROC_TAG)))
  40
  41 typedef struct ContractionTable ContractionTable;
  42 struct ContractionTable {
  43     UChar *codePoints;
  44     uint32_t *CEs;
  45     uint32_t position;
  46     uint32_t size;
  47 };
  48
  49 struct CntTable {
  50     ContractionTable **elements;
  51     /*CompactEIntArray *mapping;*/
  52     UNewTrie *mapping;
  53     UChar *codePoints;
  54     uint32_t *CEs;
  55     int32_t *offsets;
  56     int32_t position;
  57     int32_t size;
  58     int32_t capacity;
  59     UColCETags currentTag;
  60 };
  61
  62 U_CAPI CntTable* U_EXPORT2
  63 /*uprv_cnttab_open(CompactEIntArray *mapping, UErrorCode *status);*/
  64 uprv_cnttab_open(UNewTrie *mapping, UErrorCode *status);
  65 U_CAPI CntTable* U_EXPORT2
  66 uprv_cnttab_clone(CntTable *table, UErrorCode *status);
  67 U_CAPI void U_EXPORT2
  68 uprv_cnttab_close(CntTable *table);
  69
  70 /* construct the table for output */
  71 U_CAPI int32_t U_EXPORT2
  72 uprv_cnttab_constructTable(CntTable *table, uint32_t mainOffset, UErrorCode *status);
  73 /* adds more contractions in table. If element is non existant, it creates on. Returns element handle */
  74 U_CAPI uint32_t U_EXPORT2
  75 uprv_cnttab_addContraction(CntTable *table, uint32_t element, UChar codePoint, uint32_t value, UErrorCode *status);
  76 /* sets a part of contraction sequence in table. If element is non existant, it creates on. Returns element handle */
  77 U_CAPI uint32_t U_EXPORT2
  78 uprv_cnttab_setContraction(CntTable *table, uint32_t element, uint32_t offset, UChar codePoint, uint32_t value, UErrorCode *status);
  79 /* 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 */
  80 U_CAPI uint32_t U_EXPORT2
  81 uprv_cnttab_insertContraction(CntTable *table, uint32_t element, UChar codePoint, uint32_t value, UErrorCode *status);
  82 /* this is for adding non contractions */
  83 U_CAPI uint32_t U_EXPORT2
  84 uprv_cnttab_changeLastCE(CntTable *table, uint32_t element, uint32_t value, UErrorCode *status);
  85
  86 U_CAPI int32_t U_EXPORT2
  87 uprv_cnttab_findCP(CntTable *table, uint32_t element, UChar codePoint, UErrorCode *status);
  88
  89 U_CAPI uint32_t U_EXPORT2
  90 uprv_cnttab_getCE(CntTable *table, uint32_t element, uint32_t position, UErrorCode *status);
  91
  92 U_CAPI uint32_t U_EXPORT2
  93 uprv_cnttab_changeContraction(CntTable *table, uint32_t element, UChar codePoint, uint32_t newCE, UErrorCode *status);
  94
  95 U_CAPI uint32_t U_EXPORT2
  96 uprv_cnttab_findCE(CntTable *table, uint32_t element, UChar codePoint, UErrorCode *status);
  97
  98 U_CAPI UBool U_EXPORT2
  99 uprv_cnttab_isTailored(CntTable *table, uint32_t element, UChar *ztString, UErrorCode *status);
 100
 101 U_NAMESPACE_END
 102
 103 #endif /* #if !UCONFIG_NO_COLLATION */
 104
 105 #endif