Home | History | Annotate | Download | only in common 
      1 //  2016 and later: Unicode, Inc. and others.
      2 // License & terms of use: http://www.unicode.org/copyright.html
      3 /*
      4  *******************************************************************************
      5  *
      6  *   Copyright (C) 2003-2006, International Business Machines
      7  *   Corporation and others.  All Rights Reserved.
      8  *
      9  *******************************************************************************
     10  *   file name:  sprpimpl.h
     11  *   encoding:   UTF-8
     12  *   tab size:   8 (not used)
     13  *   indentation:4
     14  *
     15  *   created on: 2003feb1
     16  *   created by: Ram Viswanadha
     17  */
     18 
     19 #ifndef SPRPIMPL_H
     20 #define SPRPIMPL_H
     21 
     22 #include "unicode/utypes.h"
     23 
     24 #if !UCONFIG_NO_IDNA
     25 
     26 #include "unicode/ustring.h"
     27 #include "unicode/parseerr.h"
     28 #include "unicode/usprep.h"
     29 #include "unicode/udata.h"
     30 #include "utrie.h"
     31 #include "udataswp.h"
     32 #include "ubidi_props.h"
     33 
     34 #define _SPREP_DATA_TYPE "spp"
     35 
     36 enum UStringPrepType{
     37     USPREP_UNASSIGNED           = 0x0000 ,
     38     USPREP_MAP                  = 0x0001 ,
     39     USPREP_PROHIBITED           = 0x0002 ,
     40     USPREP_DELETE               = 0x0003 ,
     41     USPREP_TYPE_LIMIT           = 0x0004
     42 };
     43 
     44 typedef enum UStringPrepType UStringPrepType;
     45 
     46 #ifdef USPREP_TYPE_NAMES_ARRAY
     47 static const char* usprepTypeNames[] ={
     48     "UNASSIGNED" ,
     49     "MAP" ,
     50     "PROHIBITED" ,
     51     "DELETE",
     52     "TYPE_LIMIT"
     53 };
     54 #endif
     55 
     56 enum{
     57     _SPREP_NORMALIZATION_ON = 0x0001,
     58     _SPREP_CHECK_BIDI_ON    = 0x0002
     59 };
     60 
     61 enum{
     62     _SPREP_TYPE_THRESHOLD       = 0xFFF0,
     63     _SPREP_MAX_INDEX_VALUE      = 0x3FBF,   /*16139*/
     64     _SPREP_MAX_INDEX_TOP_LENGTH = 0x0003
     65 };
     66 
     67 /* indexes[] value names */
     68 enum {
     69     _SPREP_INDEX_TRIE_SIZE                  = 0, /* number of bytes in StringPrep trie */
     70     _SPREP_INDEX_MAPPING_DATA_SIZE          = 1, /* The array that contains the mapping   */
     71     _SPREP_NORM_CORRECTNS_LAST_UNI_VERSION  = 2, /* The index of Unicode version of last entry in NormalizationCorrections.txt */
     72     _SPREP_ONE_UCHAR_MAPPING_INDEX_START    = 3, /* The starting index of 1 UChar mapping index in the mapping data array */
     73     _SPREP_TWO_UCHARS_MAPPING_INDEX_START   = 4, /* The starting index of 2 UChars mapping index in the mapping data array */
     74     _SPREP_THREE_UCHARS_MAPPING_INDEX_START = 5, /* The starting index of 3 UChars mapping index in the mapping data array */
     75     _SPREP_FOUR_UCHARS_MAPPING_INDEX_START  = 6, /* The starting index of 4 UChars mapping index in the mapping data array */
     76     _SPREP_OPTIONS                          = 7, /* Bit set of options to turn on in the profile */
     77     _SPREP_INDEX_TOP=16                          /* changing this requires a new formatVersion */
     78 };
     79 
     80 typedef struct UStringPrepKey UStringPrepKey;
     81 
     82 
     83 struct UStringPrepKey{
     84     char* name;
     85     char* path;
     86 };
     87 
     88 struct UStringPrepProfile{
     89     int32_t indexes[_SPREP_INDEX_TOP];
     90     UTrie sprepTrie;
     91     const uint16_t* mappingData;
     92     UDataMemory* sprepData;
     93     const UBiDiProps *bdp; /* used only if checkBiDi is set */
     94     int32_t refCount;
     95     UBool isDataLoaded;
     96     UBool doNFKC;
     97     UBool checkBiDi;
     98 };
     99 
    100 /**
    101  * Helper function for populating the UParseError struct
    102  * @internal
    103  */
    104 U_CAPI void U_EXPORT2
    105 uprv_syntaxError(const UChar* rules,
    106                  int32_t pos,
    107                  int32_t rulesLen,
    108                  UParseError* parseError);
    109 
    110 
    111 /**
    112  * Swap StringPrep .spp profile data. See udataswp.h.
    113  * @internal
    114  */
    115 U_CAPI int32_t U_EXPORT2
    116 usprep_swap(const UDataSwapper *ds,
    117             const void *inData, int32_t length, void *outData,
    118             UErrorCode *pErrorCode);
    119 
    120 #endif /* #if !UCONFIG_NO_IDNA */
    121 
    122 #endif
    123 
    124 /*
    125  * Hey, Emacs, please set the following:
    126  *
    127  * Local Variables:
    128  * indent-tabs-mode: nil
    129  * End:
    130  *
    131  */
    132