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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     int32_t refCount;
94     UBool isDataLoaded;
95     UBool doNFKC;
96     UBool checkBiDi;
97 };
98 
99 /**
100  * Helper function for populating the UParseError struct
101  * @internal
102  */
103 U_CAPI void U_EXPORT2
104 uprv_syntaxError(const UChar* rules,
105                  int32_t pos,
106                  int32_t rulesLen,
107                  UParseError* parseError);
108 
109 
110 /**
111  * Swap StringPrep .spp profile data. See udataswp.h.
112  * @internal
113  */
114 U_CAPI int32_t U_EXPORT2
115 usprep_swap(const UDataSwapper *ds,
116             const void *inData, int32_t length, void *outData,
117             UErrorCode *pErrorCode);
118 
119 #endif /* #if !UCONFIG_NO_IDNA */
120 
121 #endif
122 
123 /*
124  * Hey, Emacs, please set the following:
125  *
126  * Local Variables:
127  * indent-tabs-mode: nil
128  * End:
129  *
130  */
131