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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