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
34enum UStringPrepType{
35    USPREP_UNASSIGNED           = 0x0000 ,
36    USPREP_MAP                  = 0x0001 ,
37    USPREP_PROHIBITED           = 0x0002 ,
38    USPREP_DELETE               = 0x0003 ,
39    USPREP_TYPE_LIMIT           = 0x0004
40};
41
42typedef enum UStringPrepType UStringPrepType;
43
44#ifdef USPREP_TYPE_NAMES_ARRAY
45static const char* usprepTypeNames[] ={
46    "UNASSIGNED" ,
47    "MAP" ,
48    "PROHIBITED" ,
49    "DELETE",
50    "TYPE_LIMIT"
51};
52#endif
53
54enum{
55    _SPREP_NORMALIZATION_ON = 0x0001,
56    _SPREP_CHECK_BIDI_ON    = 0x0002
57};
58
59enum{
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 */
66enum {
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
78typedef struct UStringPrepKey UStringPrepKey;
79
80
81struct UStringPrepKey{
82    char* name;
83    char* path;
84};
85
86struct 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 */
102U_CAPI void U_EXPORT2
103uprv_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 */
113U_CAPI int32_t U_EXPORT2
114usprep_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