/src/skia/third_party/externals/icu/source/common/servls.cpp
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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 | | * Copyright (C) 2001-2014, International Business Machines Corporation and * |
6 | | * others. All Rights Reserved. * |
7 | | ******************************************************************************* |
8 | | * |
9 | | ******************************************************************************* |
10 | | */ |
11 | | #include "unicode/utypes.h" |
12 | | |
13 | | #if !UCONFIG_NO_SERVICE |
14 | | |
15 | | #include "unicode/resbund.h" |
16 | | #include "uresimp.h" |
17 | | #include "cmemory.h" |
18 | | #include "servloc.h" |
19 | | #include "ustrfmt.h" |
20 | | #include "charstr.h" |
21 | | #include "uassert.h" |
22 | | |
23 | | #define UNDERSCORE_CHAR ((UChar)0x005f) |
24 | | #define AT_SIGN_CHAR ((UChar)64) |
25 | | #define PERIOD_CHAR ((UChar)46) |
26 | | |
27 | | U_NAMESPACE_BEGIN |
28 | | |
29 | | ICULocaleService::ICULocaleService() |
30 | | : fallbackLocale(Locale::getDefault()) |
31 | 0 | { |
32 | 0 | } |
33 | | |
34 | | ICULocaleService::ICULocaleService(const UnicodeString& dname) |
35 | | : ICUService(dname) |
36 | | , fallbackLocale(Locale::getDefault()) |
37 | 0 | { |
38 | 0 | } |
39 | | |
40 | | ICULocaleService::~ICULocaleService() |
41 | 0 | { |
42 | 0 | } |
43 | | |
44 | | UObject* |
45 | | ICULocaleService::get(const Locale& locale, UErrorCode& status) const |
46 | 0 | { |
47 | 0 | return get(locale, LocaleKey::KIND_ANY, NULL, status); |
48 | 0 | } |
49 | | |
50 | | UObject* |
51 | | ICULocaleService::get(const Locale& locale, int32_t kind, UErrorCode& status) const |
52 | 0 | { |
53 | 0 | return get(locale, kind, NULL, status); |
54 | 0 | } |
55 | | |
56 | | UObject* |
57 | | ICULocaleService::get(const Locale& locale, Locale* actualReturn, UErrorCode& status) const |
58 | 0 | { |
59 | 0 | return get(locale, LocaleKey::KIND_ANY, actualReturn, status); |
60 | 0 | } |
61 | | |
62 | | UObject* |
63 | | ICULocaleService::get(const Locale& locale, int32_t kind, Locale* actualReturn, UErrorCode& status) const |
64 | 0 | { |
65 | 0 | UObject* result = NULL; |
66 | 0 | if (U_FAILURE(status)) { |
67 | 0 | return result; |
68 | 0 | } |
69 | | |
70 | 0 | UnicodeString locName(locale.getName(), -1, US_INV); |
71 | 0 | if (locName.isBogus()) { |
72 | 0 | status = U_MEMORY_ALLOCATION_ERROR; |
73 | 0 | } else { |
74 | 0 | ICUServiceKey* key = createKey(&locName, kind, status); |
75 | 0 | if (key) { |
76 | 0 | if (actualReturn == NULL) { |
77 | 0 | result = getKey(*key, status); |
78 | 0 | } else { |
79 | 0 | UnicodeString temp; |
80 | 0 | result = getKey(*key, &temp, status); |
81 | |
|
82 | 0 | if (result != NULL) { |
83 | 0 | key->parseSuffix(temp); |
84 | 0 | LocaleUtility::initLocaleFromName(temp, *actualReturn); |
85 | 0 | } |
86 | 0 | } |
87 | 0 | delete key; |
88 | 0 | } |
89 | 0 | } |
90 | 0 | return result; |
91 | 0 | } |
92 | | |
93 | | |
94 | | URegistryKey |
95 | | ICULocaleService::registerInstance(UObject* objToAdopt, const UnicodeString& locale, |
96 | | UBool visible, UErrorCode& status) |
97 | 0 | { |
98 | 0 | Locale loc; |
99 | 0 | LocaleUtility::initLocaleFromName(locale, loc); |
100 | 0 | return registerInstance(objToAdopt, loc, LocaleKey::KIND_ANY, |
101 | 0 | visible ? LocaleKeyFactory::VISIBLE : LocaleKeyFactory::INVISIBLE, status); |
102 | 0 | } |
103 | | |
104 | | URegistryKey |
105 | | ICULocaleService::registerInstance(UObject* objToAdopt, const Locale& locale, UErrorCode& status) |
106 | 0 | { |
107 | 0 | return registerInstance(objToAdopt, locale, LocaleKey::KIND_ANY, LocaleKeyFactory::VISIBLE, status); |
108 | 0 | } |
109 | | |
110 | | URegistryKey |
111 | | ICULocaleService::registerInstance(UObject* objToAdopt, const Locale& locale, int32_t kind, UErrorCode& status) |
112 | 0 | { |
113 | 0 | return registerInstance(objToAdopt, locale, kind, LocaleKeyFactory::VISIBLE, status); |
114 | 0 | } |
115 | | |
116 | | URegistryKey |
117 | | ICULocaleService::registerInstance(UObject* objToAdopt, const Locale& locale, int32_t kind, int32_t coverage, UErrorCode& status) |
118 | 0 | { |
119 | 0 | ICUServiceFactory * factory = new SimpleLocaleKeyFactory(objToAdopt, locale, kind, coverage); |
120 | 0 | if (factory != NULL) { |
121 | 0 | return registerFactory(factory, status); |
122 | 0 | } |
123 | 0 | delete objToAdopt; |
124 | 0 | return NULL; |
125 | 0 | } |
126 | | |
127 | | #if 0 |
128 | | URegistryKey |
129 | | ICULocaleService::registerInstance(UObject* objToAdopt, const UnicodeString& locale, UErrorCode& status) |
130 | | { |
131 | | return registerInstance(objToAdopt, locale, LocaleKey::KIND_ANY, LocaleKeyFactory::VISIBLE, status); |
132 | | } |
133 | | |
134 | | URegistryKey |
135 | | ICULocaleService::registerInstance(UObject* objToAdopt, const UnicodeString& locale, UBool visible, UErrorCode& status) |
136 | | { |
137 | | return registerInstance(objToAdopt, locale, LocaleKey::KIND_ANY, |
138 | | visible ? LocaleKeyFactory::VISIBLE : LocaleKeyFactory::INVISIBLE, |
139 | | status); |
140 | | } |
141 | | |
142 | | URegistryKey |
143 | | ICULocaleService::registerInstance(UObject* objToAdopt, const UnicodeString& locale, int32_t kind, int32_t coverage, UErrorCode& status) |
144 | | { |
145 | | ICUServiceFactory * factory = new SimpleLocaleKeyFactory(objToAdopt, locale, kind, coverage); |
146 | | if (factory != NULL) { |
147 | | return registerFactory(factory, status); |
148 | | } |
149 | | delete objToAdopt; |
150 | | return NULL; |
151 | | } |
152 | | #endif |
153 | | |
154 | | class ServiceEnumeration : public StringEnumeration { |
155 | | private: |
156 | | const ICULocaleService* _service; |
157 | | int32_t _timestamp; |
158 | | UVector _ids; |
159 | | int32_t _pos; |
160 | | |
161 | | private: |
162 | | ServiceEnumeration(const ICULocaleService* service, UErrorCode &status) |
163 | | : _service(service) |
164 | | , _timestamp(service->getTimestamp()) |
165 | | , _ids(uprv_deleteUObject, NULL, status) |
166 | | , _pos(0) |
167 | 0 | { |
168 | 0 | _service->getVisibleIDs(_ids, status); |
169 | 0 | } |
170 | | |
171 | | ServiceEnumeration(const ServiceEnumeration &other, UErrorCode &status) |
172 | | : _service(other._service) |
173 | | , _timestamp(other._timestamp) |
174 | | , _ids(uprv_deleteUObject, NULL, status) |
175 | | , _pos(0) |
176 | 0 | { |
177 | 0 | if(U_SUCCESS(status)) { |
178 | 0 | int32_t i, length; |
179 | |
|
180 | 0 | length = other._ids.size(); |
181 | 0 | for(i = 0; i < length; ++i) { |
182 | 0 | _ids.addElement(((UnicodeString *)other._ids.elementAt(i))->clone(), status); |
183 | 0 | } |
184 | |
|
185 | 0 | if(U_SUCCESS(status)) { |
186 | 0 | _pos = other._pos; |
187 | 0 | } |
188 | 0 | } |
189 | 0 | } |
190 | | |
191 | | public: |
192 | 0 | static ServiceEnumeration* create(const ICULocaleService* service) { |
193 | 0 | UErrorCode status = U_ZERO_ERROR; |
194 | 0 | ServiceEnumeration* result = new ServiceEnumeration(service, status); |
195 | 0 | if (U_SUCCESS(status)) { |
196 | 0 | return result; |
197 | 0 | } |
198 | 0 | delete result; |
199 | 0 | return NULL; |
200 | 0 | } |
201 | | |
202 | | virtual ~ServiceEnumeration(); |
203 | | |
204 | 0 | virtual StringEnumeration *clone() const { |
205 | 0 | UErrorCode status = U_ZERO_ERROR; |
206 | 0 | ServiceEnumeration *cl = new ServiceEnumeration(*this, status); |
207 | 0 | if(U_FAILURE(status)) { |
208 | 0 | delete cl; |
209 | 0 | cl = NULL; |
210 | 0 | } |
211 | 0 | return cl; |
212 | 0 | } |
213 | | |
214 | 0 | UBool upToDate(UErrorCode& status) const { |
215 | 0 | if (U_SUCCESS(status)) { |
216 | 0 | if (_timestamp == _service->getTimestamp()) { |
217 | 0 | return TRUE; |
218 | 0 | } |
219 | 0 | status = U_ENUM_OUT_OF_SYNC_ERROR; |
220 | 0 | } |
221 | 0 | return FALSE; |
222 | 0 | } |
223 | | |
224 | 0 | virtual int32_t count(UErrorCode& status) const { |
225 | 0 | return upToDate(status) ? _ids.size() : 0; |
226 | 0 | } |
227 | | |
228 | 0 | virtual const UnicodeString* snext(UErrorCode& status) { |
229 | 0 | if (upToDate(status) && (_pos < _ids.size())) { |
230 | 0 | return (const UnicodeString*)_ids[_pos++]; |
231 | 0 | } |
232 | 0 | return NULL; |
233 | 0 | } |
234 | | |
235 | 0 | virtual void reset(UErrorCode& status) { |
236 | 0 | if (status == U_ENUM_OUT_OF_SYNC_ERROR) { |
237 | 0 | status = U_ZERO_ERROR; |
238 | 0 | } |
239 | 0 | if (U_SUCCESS(status)) { |
240 | 0 | _timestamp = _service->getTimestamp(); |
241 | 0 | _pos = 0; |
242 | 0 | _service->getVisibleIDs(_ids, status); |
243 | 0 | } |
244 | 0 | } |
245 | | |
246 | | public: |
247 | | static UClassID U_EXPORT2 getStaticClassID(void); |
248 | | virtual UClassID getDynamicClassID(void) const; |
249 | | }; |
250 | | |
251 | 0 | ServiceEnumeration::~ServiceEnumeration() {} |
252 | | |
253 | | UOBJECT_DEFINE_RTTI_IMPLEMENTATION(ServiceEnumeration) |
254 | | |
255 | | StringEnumeration* |
256 | | ICULocaleService::getAvailableLocales(void) const |
257 | 0 | { |
258 | 0 | return ServiceEnumeration::create(this); |
259 | 0 | } |
260 | | |
261 | | const UnicodeString& |
262 | | ICULocaleService::validateFallbackLocale() const |
263 | 0 | { |
264 | 0 | const Locale& loc = Locale::getDefault(); |
265 | 0 | ICULocaleService* ncThis = (ICULocaleService*)this; |
266 | 0 | static UMutex llock; |
267 | 0 | { |
268 | 0 | Mutex mutex(&llock); |
269 | 0 | if (loc != fallbackLocale) { |
270 | 0 | ncThis->fallbackLocale = loc; |
271 | 0 | LocaleUtility::initNameFromLocale(loc, ncThis->fallbackLocaleName); |
272 | 0 | ncThis->clearServiceCache(); |
273 | 0 | } |
274 | 0 | } |
275 | 0 | return fallbackLocaleName; |
276 | 0 | } |
277 | | |
278 | | ICUServiceKey* |
279 | | ICULocaleService::createKey(const UnicodeString* id, UErrorCode& status) const |
280 | 0 | { |
281 | 0 | return LocaleKey::createWithCanonicalFallback(id, &validateFallbackLocale(), status); |
282 | 0 | } |
283 | | |
284 | | ICUServiceKey* |
285 | | ICULocaleService::createKey(const UnicodeString* id, int32_t kind, UErrorCode& status) const |
286 | 0 | { |
287 | 0 | return LocaleKey::createWithCanonicalFallback(id, &validateFallbackLocale(), kind, status); |
288 | 0 | } |
289 | | |
290 | | U_NAMESPACE_END |
291 | | |
292 | | /* !UCONFIG_NO_SERVICE */ |
293 | | #endif |
294 | | |
295 | | |