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      1 /*
      2  *******************************************************************************
      3  *
      4  *   Copyright (C) 2003-2006, 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 #include "ubidi_props.h"
     31 
     32 #define _SPREP_DATA_TYPE "spp"
     33 
     34 enum UStringPrepType{
     35     USPREP_UNASSIGNED           = 0x0000 ,
     36     USPREP_MAP                  = 0x0001 ,
     37     USPREP_PROHIBITED           = 0x0002 ,
     38     USPREP_DELETE               = 0x0003 ,
     39     USPREP_TYPE_LIMIT           = 0x0004
     40 };
     41 
     42 typedef enum UStringPrepType UStringPrepType;
     43 
     44 #ifdef USPREP_TYPE_NAMES_ARRAY
     45 static const char* usprepTypeNames[] ={
     46     "UNASSIGNED" ,
     47     "MAP" ,
     48     "PROHIBITED" ,
     49     "DELETE",
     50     "TYPE_LIMIT"
     51 };
     52 #endif
     53 
     54 enum{
     55     _SPREP_NORMALIZATION_ON = 0x0001,
     56     _SPREP_CHECK_BIDI_ON    = 0x0002
     57 };
     58 
     59 enum{
     60     _SPREP_TYPE_THRESHOLD       = 0xFFF0,
     61     _SPREP_MAX_INDEX_VALUE      = 0x3FBF,   /*16139*/
     62     _SPREP_MAX_INDEX_TOP_LENGTH = 0x0003
     63 };
     64 
     65 /* indexes[] value names */
     66 enum {
     67     _SPREP_INDEX_TRIE_SIZE                  = 0, /* number of bytes in StringPrep trie */
     68     _SPREP_INDEX_MAPPING_DATA_SIZE          = 1, /* The array that contains the mapping   */
     69     _SPREP_NORM_CORRECTNS_LAST_UNI_VERSION  = 2, /* The index of Unicode version of last entry in NormalizationCorrections.txt */
     70     _SPREP_ONE_UCHAR_MAPPING_INDEX_START    = 3, /* The starting index of 1 UChar mapping index in the mapping data array */
     71     _SPREP_TWO_UCHARS_MAPPING_INDEX_START   = 4, /* The starting index of 2 UChars mapping index in the mapping data array */
     72     _SPREP_THREE_UCHARS_MAPPING_INDEX_START = 5, /* The starting index of 3 UChars mapping index in the mapping data array */
     73     _SPREP_FOUR_UCHARS_MAPPING_INDEX_START  = 6, /* The starting index of 4 UChars mapping index in the mapping data array */
     74     _SPREP_OPTIONS                          = 7, /* Bit set of options to turn on in the profile */
     75     _SPREP_INDEX_TOP=16                          /* changing this requires a new formatVersion */
     76 };
     77 
     78 typedef struct UStringPrepKey UStringPrepKey;
     79 
     80 
     81 struct UStringPrepKey{
     82     char* name;
     83     char* path;
     84 };
     85 
     86 struct UStringPrepProfile{
     87     int32_t indexes[_SPREP_INDEX_TOP];
     88     UTrie sprepTrie;
     89     const uint16_t* mappingData;
     90     UDataMemory* sprepData;
     91     const UBiDiProps *bdp; /* used only if checkBiDi is set */
     92     int32_t refCount;
     93     UBool isDataLoaded;
     94     UBool doNFKC;
     95     UBool checkBiDi;
     96 };
     97 
     98 /**
     99  * Helper function for populating the UParseError struct
    100  * @internal
    101  */
    102 U_CAPI void U_EXPORT2
    103 uprv_syntaxError(const UChar* rules,
    104                  int32_t pos,
    105                  int32_t rulesLen,
    106                  UParseError* parseError);
    107 
    108 
    109 /**
    110  * Swap StringPrep .spp profile data. See udataswp.h.
    111  * @internal
    112  */
    113 U_CAPI int32_t U_EXPORT2
    114 usprep_swap(const UDataSwapper *ds,
    115             const void *inData, int32_t length, void *outData,
    116             UErrorCode *pErrorCode);
    117 
    118 #endif /* #if !UCONFIG_NO_IDNA */
    119 
    120 #endif
    121 
    122 /*
    123  * Hey, Emacs, please set the following:
    124  *
    125  * Local Variables:
    126  * indent-tabs-mode: nil
    127  * End:
    128  *
    129  */
    130