aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/icu/common/ulocimp.h
blob: b9e2eb4bfeb003ddc5de1cfe2265c8e515d8a7e1 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
**********************************************************************
*   Copyright (C) 2004-2016, International Business Machines
*   Corporation and others.  All Rights Reserved.
**********************************************************************
*/

#ifndef ULOCIMP_H
#define ULOCIMP_H

#include "unicode/bytestream.h"
#include "unicode/uloc.h"

/**
 * Create an iterator over the specified keywords list
 * @param keywordList double-null terminated list. Will be copied.
 * @param keywordListSize size in bytes of keywordList
 * @param status err code
 * @return enumeration (owned by caller) of the keyword list.
 * @internal ICU 3.0
 */
U_CAPI UEnumeration* U_EXPORT2
uloc_openKeywordList(const char *keywordList, int32_t keywordListSize, UErrorCode* status);

/**
 * Look up a resource bundle table item with fallback on the table level.
 * This is accessible so it can be called by C++ code.
 */
U_CAPI const UChar * U_EXPORT2
uloc_getTableStringWithFallback(
    const char *path,
    const char *locale,
    const char *tableKey,
    const char *subTableKey,
    const char *itemKey,
    int32_t *pLength,
    UErrorCode *pErrorCode);

/*returns TRUE if a is an ID separator FALSE otherwise*/
#define _isIDSeparator(a) (a == '_' || a == '-')

U_CFUNC const char* 
uloc_getCurrentCountryID(const char* oldID);

U_CFUNC const char* 
uloc_getCurrentLanguageID(const char* oldID);

U_CFUNC int32_t
ulocimp_getLanguage(const char *localeID,
                    char *language, int32_t languageCapacity,
                    const char **pEnd);

U_CFUNC int32_t
ulocimp_getScript(const char *localeID,
                   char *script, int32_t scriptCapacity,
                   const char **pEnd);

U_CFUNC int32_t
ulocimp_getCountry(const char *localeID,
                   char *country, int32_t countryCapacity,
                   const char **pEnd);

U_STABLE void U_EXPORT2
ulocimp_getName(const char* localeID,
                icu::ByteSink& sink,
                UErrorCode* err);

U_STABLE void U_EXPORT2
ulocimp_getBaseName(const char* localeID,
                    icu::ByteSink& sink,
                    UErrorCode* err);

U_STABLE void U_EXPORT2
ulocimp_canonicalize(const char* localeID,
                     icu::ByteSink& sink,
                     UErrorCode* err);

/**
 * Writes a well-formed language tag for this locale ID.
 *
 * **Note**: When `strict` is FALSE, any locale fields which do not satisfy the
 * BCP47 syntax requirement will be omitted from the result.  When `strict` is
 * TRUE, this function sets U_ILLEGAL_ARGUMENT_ERROR to the `err` if any locale
 * fields do not satisfy the BCP47 syntax requirement.
 *
 * @param localeID  the input locale ID
 * @param sink      the output sink receiving the BCP47 language
 *                  tag for this Locale.
 * @param strict    boolean value indicating if the function returns
 *                  an error for an ill-formed input locale ID.
 * @param err       error information if receiving the language
 *                  tag failed.
 * @return          The length of the BCP47 language tag.
 *
 * @internal ICU 64
 */
U_STABLE void U_EXPORT2
ulocimp_toLanguageTag(const char* localeID,
                      icu::ByteSink& sink,
                      UBool strict,
                      UErrorCode* err);

/**
 * Returns a locale ID for the specified BCP47 language tag string.
 * If the specified language tag contains any ill-formed subtags,
 * the first such subtag and all following subtags are ignored.
 * <p>
 * This implements the 'Language-Tag' production of BCP47, and so
 * supports grandfathered (regular and irregular) as well as private
 * use language tags.  Private use tags are represented as 'x-whatever',
 * and grandfathered tags are converted to their canonical replacements
 * where they exist.  Note that a few grandfathered tags have no modern
 * replacement, these will be converted using the fallback described in
 * the first paragraph, so some information might be lost.
 * @param langtag   the input BCP47 language tag.
 * @param tagLen    the length of langtag, or -1 to call uprv_strlen().
 * @param sink      the output sink receiving a locale ID for the
 *                  specified BCP47 language tag.
 * @param parsedLength  if not NULL, successfully parsed length
 *                      for the input language tag is set.
 * @param err       error information if receiving the locald ID
 *                  failed.
 * @internal ICU 63
 */
U_CAPI void U_EXPORT2
ulocimp_forLanguageTag(const char* langtag,
                       int32_t tagLen,
                       icu::ByteSink& sink,
                       int32_t* parsedLength,
                       UErrorCode* err);

/**
 * Get the region to use for supplemental data lookup. Uses
 * (1) any region specified by locale tag "rg"; if none then
 * (2) any unicode_region_tag in the locale ID; if none then
 * (3) if inferRegion is TRUE, the region suggested by
 * getLikelySubtags on the localeID.
 * If no region is found, returns length 0.
 * 
 * @param localeID
 *     The complete locale ID (with keywords) from which
 *     to get the region to use for supplemental data.
 * @param inferRegion
 *     If TRUE, will try to infer region from localeID if
 *     no other region is found.
 * @param region
 *     Buffer in which to put the region ID found; should
 *     have a capacity at least ULOC_COUNTRY_CAPACITY. 
 * @param regionCapacity
 *     The actual capacity of the region buffer.
 * @param status
 *     Pointer to in/out UErrorCode value for latest status.
 * @return
 *     The length of any region code found, or 0 if none.
 * @internal ICU 57
 */
U_CAPI int32_t U_EXPORT2
ulocimp_getRegionForSupplementalData(const char *localeID, UBool inferRegion,
                                     char *region, int32_t regionCapacity, UErrorCode* status);

/**
 * Add the likely subtags for a provided locale ID, per the algorithm described
 * in the following CLDR technical report:
 *
 *   http://www.unicode.org/reports/tr35/#Likely_Subtags
 *
 * If localeID is already in the maximal form, or there is no data available
 * for maximization, it will be copied to the output buffer.  For example,
 * "und-Zzzz" cannot be maximized, since there is no reasonable maximization.
 *
 * Examples:
 *
 * "en" maximizes to "en_Latn_US"
 *
 * "de" maximizes to "de_Latn_US"
 *
 * "sr" maximizes to "sr_Cyrl_RS"
 *
 * "sh" maximizes to "sr_Latn_RS" (Note this will not reverse.)
 *
 * "zh_Hani" maximizes to "zh_Hans_CN" (Note this will not reverse.)
 *
 * @param localeID The locale to maximize
 * @param sink The output sink receiving the maximized locale
 * @param err Error information if maximizing the locale failed.  If the length
 * of the localeID and the null-terminator is greater than the maximum allowed size,
 * or the localeId is not well-formed, the error code is U_ILLEGAL_ARGUMENT_ERROR.
 * @internal ICU 64
 */
U_STABLE void U_EXPORT2
ulocimp_addLikelySubtags(const char* localeID,
                         icu::ByteSink& sink,
                         UErrorCode* err);

/**
 * Minimize the subtags for a provided locale ID, per the algorithm described
 * in the following CLDR technical report:
 *
 *   http://www.unicode.org/reports/tr35/#Likely_Subtags
 *
 * If localeID is already in the minimal form, or there is no data available
 * for minimization, it will be copied to the output buffer.  Since the
 * minimization algorithm relies on proper maximization, see the comments
 * for ulocimp_addLikelySubtags for reasons why there might not be any data.
 *
 * Examples:
 *
 * "en_Latn_US" minimizes to "en"
 *
 * "de_Latn_US" minimizes to "de"
 *
 * "sr_Cyrl_RS" minimizes to "sr"
 *
 * "zh_Hant_TW" minimizes to "zh_TW" (The region is preferred to the
 * script, and minimizing to "zh" would imply "zh_Hans_CN".)
 *
 * @param localeID The locale to minimize
 * @param sink The output sink receiving the maximized locale
 * @param err Error information if minimizing the locale failed.  If the length
 * of the localeID and the null-terminator is greater than the maximum allowed size,
 * or the localeId is not well-formed, the error code is U_ILLEGAL_ARGUMENT_ERROR.
 * @internal ICU 64
 */
U_STABLE void U_EXPORT2
ulocimp_minimizeSubtags(const char* localeID,
                        icu::ByteSink& sink,
                        UErrorCode* err);

U_CAPI const char * U_EXPORT2
locale_getKeywordsStart(const char *localeID);

U_CFUNC UBool
ultag_isExtensionSubtags(const char* s, int32_t len);

U_CFUNC UBool
ultag_isLanguageSubtag(const char* s, int32_t len);

U_CFUNC UBool
ultag_isPrivateuseValueSubtags(const char* s, int32_t len);

U_CFUNC UBool
ultag_isRegionSubtag(const char* s, int32_t len);

U_CFUNC UBool
ultag_isScriptSubtag(const char* s, int32_t len);

U_CFUNC UBool
ultag_isTransformedExtensionSubtags(const char* s, int32_t len);

U_CFUNC UBool
ultag_isUnicodeExtensionSubtags(const char* s, int32_t len);

U_CFUNC UBool
ultag_isUnicodeLocaleAttribute(const char* s, int32_t len);

U_CFUNC UBool
ultag_isUnicodeLocaleAttributes(const char* s, int32_t len);

U_CFUNC UBool
ultag_isUnicodeLocaleKey(const char* s, int32_t len);

U_CFUNC UBool
ultag_isUnicodeLocaleType(const char* s, int32_t len);

U_CFUNC UBool
ultag_isVariantSubtags(const char* s, int32_t len);

U_CFUNC const char*
ulocimp_toBcpKey(const char* key);

U_CFUNC const char*
ulocimp_toLegacyKey(const char* key);

U_CFUNC const char*
ulocimp_toBcpType(const char* key, const char* type, UBool* isKnownKey, UBool* isSpecialType);

U_CFUNC const char*
ulocimp_toLegacyType(const char* key, const char* type, UBool* isKnownKey, UBool* isSpecialType);

#endif