icuSources/common/sprpimpl.h

   1 /*
   2  *******************************************************************************
   3  *
   4  *   Copyright (C) 2003-2004, International Business Machines
   5  *   Corporation and others.  All Rights Reserved.
   6  *
   7  *******************************************************************************
   8  *   file name:  sprpimpl.h
   9  *   encoding:   US-ASCII
  10  *   tab size:   8 (not used)
  11  *   indentation:4
  12  *
  13  *   created on: 2003feb1
  14  *   created by: Ram Viswanadha
  15  */
  16
  17 #ifndef SPRPIMPL_H
  18 #define SPRPIMPL_H
  19
  20 #include "unicode/utypes.h"
  21
  22 #if !UCONFIG_NO_IDNA
  23
  24 #include "unicode/ustring.h"
  25 #include "unicode/parseerr.h"
  26 #include "unicode/usprep.h"
  27 #include "unicode/udata.h"
  28 #include "utrie.h"
  29 #include "udataswp.h"
  30
  31 #define _SPREP_DATA_TYPE "spp"
  32
  33 enum UStringPrepType{
  34     USPREP_UNASSIGNED           = 0x0000 ,
  35     USPREP_MAP                  = 0x0001 ,
  36     USPREP_PROHIBITED           = 0x0002 ,
  37     USPREP_DELETE               = 0x0003 ,
  38     USPREP_TYPE_LIMIT           = 0x0004
  39 };
  40
  41 typedef enum UStringPrepType UStringPrepType;
  42
  43 #ifdef USPREP_TYPE_NAMES_ARRAY
  44 static const char* usprepTypeNames[] ={
  45     "UNASSIGNED" ,
  46     "MAP" ,
  47     "PROHIBITED" ,
  48     "DELETE",
  49     "TYPE_LIMIT"
  50 };
  51 #endif
  52
  53 enum{
  54     _SPREP_NORMALIZATION_ON = 0x0001,
  55     _SPREP_CHECK_BIDI_ON    = 0x0002
  56 };
  57
  58 enum{
  59     _SPREP_TYPE_THRESHOLD       = 0xFFF0,
  60     _SPREP_MAX_INDEX_VALUE      = 0x3FBF,   /*16139*/
  61     _SPREP_MAX_INDEX_TOP_LENGTH = 0x0003
  62 };
  63
  64 /* indexes[] value names */
  65 enum {
  66     _SPREP_INDEX_TRIE_SIZE                  = 0, /* number of bytes in StringPrep trie */
  67     _SPREP_INDEX_MAPPING_DATA_SIZE          = 1, /* The array that contains the mapping   */
  68     _SPREP_NORM_CORRECTNS_LAST_UNI_VERSION  = 2, /* The index of Unicode version of last entry in NormalizationCorrections.txt */
  69     _SPREP_ONE_UCHAR_MAPPING_INDEX_START    = 3, /* The starting index of 1 UChar mapping index in the mapping data array */
  70     _SPREP_TWO_UCHARS_MAPPING_INDEX_START   = 4, /* The starting index of 2 UChars mapping index in the mapping data array */
  71     _SPREP_THREE_UCHARS_MAPPING_INDEX_START = 5, /* The starting index of 3 UChars mapping index in the mapping data array */
  72     _SPREP_FOUR_UCHARS_MAPPING_INDEX_START  = 6, /* The starting index of 4 UChars mapping index in the mapping data array */
  73     _SPREP_OPTIONS                          = 7, /* Bit set of options to turn on in the profile */
  74     _SPREP_INDEX_TOP=16                          /* changing this requires a new formatVersion */
  75 };
  76
  77 typedef struct UStringPrepKey UStringPrepKey;
  78
  79
  80 struct UStringPrepKey{
  81     char* name;
  82     char* path;
  83 };
  84
  85 struct UStringPrepProfile{
  86     int32_t indexes[_SPREP_INDEX_TOP];
  87     UTrie sprepTrie;
  88     const uint16_t* mappingData;
  89     UDataMemory* sprepData;
  90     UBool isDataLoaded;
  91     int32_t refCount;
  92     UBool doNFKC;
  93     UBool checkBiDi;
  94 };
  95
  96 /**
  97  * Helper function for populating the UParseError struct
  98  * @internal
  99  */
 100 U_CAPI void U_EXPORT2
 101 uprv_syntaxError(const UChar* rules,
 102                  int32_t pos,
 103                  int32_t rulesLen,
 104                  UParseError* parseError);
 105
 106
 107 /**
 108  * Swap StringPrep .spp profile data. See udataswp.h.
 109  * @internal
 110  */
 111 U_CAPI int32_t U_EXPORT2
 112 usprep_swap(const UDataSwapper *ds,
 113             const void *inData, int32_t length, void *outData,
 114             UErrorCode *pErrorCode);
 115
 116 #endif /* #if !UCONFIG_NO_IDNA */
 117
 118 #endif
 119
 120 /*
 121  * Hey, Emacs, please set the following:
 122  *
 123  * Local Variables:
 124  * indent-tabs-mode: nil
 125  * End:
 126  *
 127  */