• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  * Copyright (C) 2008 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #define LOG_TAG "ICU"
18 
19 #include "IcuUtilities.h"
20 #include "JNIHelp.h"
21 #include "JniConstants.h"
22 #include "JniException.h"
23 #include "ScopedFd.h"
24 #include "ScopedJavaUnicodeString.h"
25 #include "ScopedLocalRef.h"
26 #include "ScopedUtfChars.h"
27 #include "UniquePtr.h"
28 #include "cutils/log.h"
29 #include "toStringArray.h"
30 #include "unicode/calendar.h"
31 #include "unicode/datefmt.h"
32 #include "unicode/dcfmtsym.h"
33 #include "unicode/decimfmt.h"
34 #include "unicode/dtfmtsym.h"
35 #include "unicode/dtptngen.h"
36 #include "unicode/gregocal.h"
37 #include "unicode/locid.h"
38 #include "unicode/numfmt.h"
39 #include "unicode/strenum.h"
40 #include "unicode/ubrk.h"
41 #include "unicode/ucal.h"
42 #include "unicode/uclean.h"
43 #include "unicode/ucol.h"
44 #include "unicode/ucurr.h"
45 #include "unicode/udat.h"
46 #include "unicode/uloc.h"
47 #include "unicode/ulocdata.h"
48 #include "unicode/ustring.h"
49 #include "ureslocs.h"
50 #include "valueOf.h"
51 
52 #include <errno.h>
53 #include <fcntl.h>
54 #include <stdlib.h>
55 #include <string.h>
56 #include <string>
57 #include <sys/mman.h>
58 #include <sys/stat.h>
59 #include <sys/time.h>
60 #include <sys/types.h>
61 #include <time.h>
62 #include <unistd.h>
63 
64 // TODO: put this in a header file and use it everywhere!
65 // DISALLOW_COPY_AND_ASSIGN disallows the copy and operator= functions.
66 // It goes in the private: declarations in a class.
67 #define DISALLOW_COPY_AND_ASSIGN(TypeName) \
68     TypeName(const TypeName&); \
69     void operator=(const TypeName&)
70 
71 class ScopedResourceBundle {
72  public:
ScopedResourceBundle(UResourceBundle * bundle)73   ScopedResourceBundle(UResourceBundle* bundle) : bundle_(bundle) {
74   }
75 
~ScopedResourceBundle()76   ~ScopedResourceBundle() {
77     if (bundle_ != NULL) {
78       ures_close(bundle_);
79     }
80   }
81 
get()82   UResourceBundle* get() {
83     return bundle_;
84   }
85 
hasKey(const char * key)86   bool hasKey(const char* key) {
87     UErrorCode status = U_ZERO_ERROR;
88     ures_getStringByKey(bundle_, key, NULL, &status);
89     return U_SUCCESS(status);
90   }
91 
92  private:
93   UResourceBundle* bundle_;
94   DISALLOW_COPY_AND_ASSIGN(ScopedResourceBundle);
95 };
96 
ICU_addLikelySubtags(JNIEnv * env,jclass,jstring javaLocale)97 static jstring ICU_addLikelySubtags(JNIEnv* env, jclass, jstring javaLocale) {
98     UErrorCode status = U_ZERO_ERROR;
99     ScopedUtfChars localeID(env, javaLocale);
100     char maximizedLocaleID[ULOC_FULLNAME_CAPACITY];
101     uloc_addLikelySubtags(localeID.c_str(), maximizedLocaleID, sizeof(maximizedLocaleID), &status);
102     if (U_FAILURE(status)) {
103         return javaLocale;
104     }
105     return env->NewStringUTF(maximizedLocaleID);
106 }
107 
ICU_getScript(JNIEnv * env,jclass,jstring javaLocale)108 static jstring ICU_getScript(JNIEnv* env, jclass, jstring javaLocale) {
109     UErrorCode status = U_ZERO_ERROR;
110     ScopedUtfChars localeID(env, javaLocale);
111     char script[ULOC_SCRIPT_CAPACITY];
112     uloc_getScript(localeID.c_str(), script, sizeof(script), &status);
113     if (U_FAILURE(status)) {
114         return NULL;
115     }
116     return env->NewStringUTF(script);
117 }
118 
ICU_getCurrencyFractionDigits(JNIEnv * env,jclass,jstring javaCurrencyCode)119 static jint ICU_getCurrencyFractionDigits(JNIEnv* env, jclass, jstring javaCurrencyCode) {
120   ScopedJavaUnicodeString currencyCode(env, javaCurrencyCode);
121   if (!currencyCode.valid()) {
122     return 0;
123   }
124   UnicodeString icuCurrencyCode(currencyCode.unicodeString());
125   UErrorCode status = U_ZERO_ERROR;
126   return ucurr_getDefaultFractionDigits(icuCurrencyCode.getTerminatedBuffer(), &status);
127 }
128 
129 // TODO: rewrite this with int32_t ucurr_forLocale(const char* locale, UChar* buff, int32_t buffCapacity, UErrorCode* ec)...
ICU_getCurrencyCode(JNIEnv * env,jclass,jstring javaCountryCode)130 static jstring ICU_getCurrencyCode(JNIEnv* env, jclass, jstring javaCountryCode) {
131     UErrorCode status = U_ZERO_ERROR;
132     ScopedResourceBundle supplData(ures_openDirect(U_ICUDATA_CURR, "supplementalData", &status));
133     if (U_FAILURE(status)) {
134         return NULL;
135     }
136 
137     ScopedResourceBundle currencyMap(ures_getByKey(supplData.get(), "CurrencyMap", NULL, &status));
138     if (U_FAILURE(status)) {
139         return NULL;
140     }
141 
142     ScopedUtfChars countryCode(env, javaCountryCode);
143     ScopedResourceBundle currency(ures_getByKey(currencyMap.get(), countryCode.c_str(), NULL, &status));
144     if (U_FAILURE(status)) {
145         return NULL;
146     }
147 
148     ScopedResourceBundle currencyElem(ures_getByIndex(currency.get(), 0, NULL, &status));
149     if (U_FAILURE(status)) {
150         return env->NewStringUTF("XXX");
151     }
152 
153     // Check if there's a 'to' date. If there is, the currency isn't used anymore.
154     ScopedResourceBundle currencyTo(ures_getByKey(currencyElem.get(), "to", NULL, &status));
155     if (!U_FAILURE(status)) {
156         return NULL;
157     }
158     // Ignore the failure to find a 'to' date.
159     status = U_ZERO_ERROR;
160 
161     ScopedResourceBundle currencyId(ures_getByKey(currencyElem.get(), "id", NULL, &status));
162     if (U_FAILURE(status)) {
163         // No id defined for this country
164         return env->NewStringUTF("XXX");
165     }
166 
167     int32_t charCount;
168     const jchar* chars = ures_getString(currencyId.get(), &charCount, &status);
169     return (charCount == 0) ? env->NewStringUTF("XXX") : env->NewString(chars, charCount);
170 }
171 
getCurrencyName(JNIEnv * env,jstring javaLocaleName,jstring javaCurrencyCode,UCurrNameStyle nameStyle)172 static jstring getCurrencyName(JNIEnv* env, jstring javaLocaleName, jstring javaCurrencyCode, UCurrNameStyle nameStyle) {
173   ScopedUtfChars localeName(env, javaLocaleName);
174   if (localeName.c_str() == NULL) {
175     return NULL;
176   }
177   ScopedJavaUnicodeString currencyCode(env, javaCurrencyCode);
178   if (!currencyCode.valid()) {
179     return NULL;
180   }
181   UnicodeString icuCurrencyCode(currencyCode.unicodeString());
182   UErrorCode status = U_ZERO_ERROR;
183   UBool isChoiceFormat = false;
184   int32_t charCount;
185   const UChar* chars = ucurr_getName(icuCurrencyCode.getTerminatedBuffer(), localeName.c_str(),
186                                      nameStyle, &isChoiceFormat, &charCount, &status);
187   if (status == U_USING_DEFAULT_WARNING) {
188     if (nameStyle == UCURR_SYMBOL_NAME) {
189       // ICU doesn't distinguish between falling back to the root locale and meeting a genuinely
190       // unknown currency. The Currency class does.
191       if (!ucurr_isAvailable(icuCurrencyCode.getTerminatedBuffer(), U_DATE_MIN, U_DATE_MAX, &status)) {
192         return NULL;
193       }
194     }
195     if (nameStyle == UCURR_LONG_NAME) {
196       // ICU's default is English. We want the ISO 4217 currency code instead.
197       chars = icuCurrencyCode.getBuffer();
198       charCount = icuCurrencyCode.length();
199     }
200   }
201   return (charCount == 0) ? NULL : env->NewString(chars, charCount);
202 }
203 
ICU_getCurrencyDisplayName(JNIEnv * env,jclass,jstring javaLocaleName,jstring javaCurrencyCode)204 static jstring ICU_getCurrencyDisplayName(JNIEnv* env, jclass, jstring javaLocaleName, jstring javaCurrencyCode) {
205   return getCurrencyName(env, javaLocaleName, javaCurrencyCode, UCURR_LONG_NAME);
206 }
207 
ICU_getCurrencySymbol(JNIEnv * env,jclass,jstring javaLocaleName,jstring javaCurrencyCode)208 static jstring ICU_getCurrencySymbol(JNIEnv* env, jclass, jstring javaLocaleName, jstring javaCurrencyCode) {
209   return getCurrencyName(env, javaLocaleName, javaCurrencyCode, UCURR_SYMBOL_NAME);
210 }
211 
ICU_getDisplayCountryNative(JNIEnv * env,jclass,jstring targetLocale,jstring locale)212 static jstring ICU_getDisplayCountryNative(JNIEnv* env, jclass, jstring targetLocale, jstring locale) {
213     Locale loc = getLocale(env, locale);
214     Locale targetLoc = getLocale(env, targetLocale);
215     UnicodeString str;
216     targetLoc.getDisplayCountry(loc, str);
217     return env->NewString(str.getBuffer(), str.length());
218 }
219 
ICU_getDisplayLanguageNative(JNIEnv * env,jclass,jstring targetLocale,jstring locale)220 static jstring ICU_getDisplayLanguageNative(JNIEnv* env, jclass, jstring targetLocale, jstring locale) {
221     Locale loc = getLocale(env, locale);
222     Locale targetLoc = getLocale(env, targetLocale);
223     UnicodeString str;
224     targetLoc.getDisplayLanguage(loc, str);
225     return env->NewString(str.getBuffer(), str.length());
226 }
227 
ICU_getDisplayVariantNative(JNIEnv * env,jclass,jstring targetLocale,jstring locale)228 static jstring ICU_getDisplayVariantNative(JNIEnv* env, jclass, jstring targetLocale, jstring locale) {
229     Locale loc = getLocale(env, locale);
230     Locale targetLoc = getLocale(env, targetLocale);
231     UnicodeString str;
232     targetLoc.getDisplayVariant(loc, str);
233     return env->NewString(str.getBuffer(), str.length());
234 }
235 
ICU_getISO3CountryNative(JNIEnv * env,jclass,jstring locale)236 static jstring ICU_getISO3CountryNative(JNIEnv* env, jclass, jstring locale) {
237     Locale loc = getLocale(env, locale);
238     return env->NewStringUTF(loc.getISO3Country());
239 }
240 
ICU_getISO3LanguageNative(JNIEnv * env,jclass,jstring locale)241 static jstring ICU_getISO3LanguageNative(JNIEnv* env, jclass, jstring locale) {
242     Locale loc = getLocale(env, locale);
243     return env->NewStringUTF(loc.getISO3Language());
244 }
245 
ICU_getISOCountriesNative(JNIEnv * env,jclass)246 static jobjectArray ICU_getISOCountriesNative(JNIEnv* env, jclass) {
247     return toStringArray(env, Locale::getISOCountries());
248 }
249 
ICU_getISOLanguagesNative(JNIEnv * env,jclass)250 static jobjectArray ICU_getISOLanguagesNative(JNIEnv* env, jclass) {
251     return toStringArray(env, Locale::getISOLanguages());
252 }
253 
ICU_getAvailableLocalesNative(JNIEnv * env,jclass)254 static jobjectArray ICU_getAvailableLocalesNative(JNIEnv* env, jclass) {
255     return toStringArray(env, uloc_countAvailable, uloc_getAvailable);
256 }
257 
ICU_getAvailableBreakIteratorLocalesNative(JNIEnv * env,jclass)258 static jobjectArray ICU_getAvailableBreakIteratorLocalesNative(JNIEnv* env, jclass) {
259     return toStringArray(env, ubrk_countAvailable, ubrk_getAvailable);
260 }
261 
ICU_getAvailableCalendarLocalesNative(JNIEnv * env,jclass)262 static jobjectArray ICU_getAvailableCalendarLocalesNative(JNIEnv* env, jclass) {
263     return toStringArray(env, ucal_countAvailable, ucal_getAvailable);
264 }
265 
ICU_getAvailableCollatorLocalesNative(JNIEnv * env,jclass)266 static jobjectArray ICU_getAvailableCollatorLocalesNative(JNIEnv* env, jclass) {
267     return toStringArray(env, ucol_countAvailable, ucol_getAvailable);
268 }
269 
ICU_getAvailableDateFormatLocalesNative(JNIEnv * env,jclass)270 static jobjectArray ICU_getAvailableDateFormatLocalesNative(JNIEnv* env, jclass) {
271     return toStringArray(env, udat_countAvailable, udat_getAvailable);
272 }
273 
ICU_getAvailableNumberFormatLocalesNative(JNIEnv * env,jclass)274 static jobjectArray ICU_getAvailableNumberFormatLocalesNative(JNIEnv* env, jclass) {
275     return toStringArray(env, unum_countAvailable, unum_getAvailable);
276 }
277 
setIntegerField(JNIEnv * env,jobject obj,const char * fieldName,int value)278 static void setIntegerField(JNIEnv* env, jobject obj, const char* fieldName, int value) {
279     ScopedLocalRef<jobject> integerValue(env, integerValueOf(env, value));
280     jfieldID fid = env->GetFieldID(JniConstants::localeDataClass, fieldName, "Ljava/lang/Integer;");
281     env->SetObjectField(obj, fid, integerValue.get());
282 }
283 
setStringField(JNIEnv * env,jobject obj,const char * fieldName,jstring value)284 static void setStringField(JNIEnv* env, jobject obj, const char* fieldName, jstring value) {
285     jfieldID fid = env->GetFieldID(JniConstants::localeDataClass, fieldName, "Ljava/lang/String;");
286     env->SetObjectField(obj, fid, value);
287     env->DeleteLocalRef(value);
288 }
289 
setStringArrayField(JNIEnv * env,jobject obj,const char * fieldName,jobjectArray value)290 static void setStringArrayField(JNIEnv* env, jobject obj, const char* fieldName, jobjectArray value) {
291     jfieldID fid = env->GetFieldID(JniConstants::localeDataClass, fieldName, "[Ljava/lang/String;");
292     env->SetObjectField(obj, fid, value);
293 }
294 
setStringArrayField(JNIEnv * env,jobject obj,const char * fieldName,const UnicodeString * valueArray,int32_t size)295 static void setStringArrayField(JNIEnv* env, jobject obj, const char* fieldName, const UnicodeString* valueArray, int32_t size) {
296     ScopedLocalRef<jobjectArray> result(env, env->NewObjectArray(size, JniConstants::stringClass, NULL));
297     for (int32_t i = 0; i < size ; i++) {
298         ScopedLocalRef<jstring> s(env, env->NewString(valueArray[i].getBuffer(),valueArray[i].length()));
299         if (env->ExceptionCheck()) {
300             return;
301         }
302         env->SetObjectArrayElement(result.get(), i, s.get());
303         if (env->ExceptionCheck()) {
304             return;
305         }
306     }
307     setStringArrayField(env, obj, fieldName, result.get());
308 }
309 
setStringField(JNIEnv * env,jobject obj,const char * fieldName,UResourceBundle * bundle,int index)310 static void setStringField(JNIEnv* env, jobject obj, const char* fieldName, UResourceBundle* bundle, int index) {
311   UErrorCode status = U_ZERO_ERROR;
312   int charCount;
313   const UChar* chars = ures_getStringByIndex(bundle, index, &charCount, &status);
314   if (U_SUCCESS(status)) {
315     setStringField(env, obj, fieldName, env->NewString(chars, charCount));
316   } else {
317     ALOGE("Error setting String field %s from ICU resource (index %d): %s", fieldName, index, u_errorName(status));
318   }
319 }
320 
setStringField(JNIEnv * env,jobject obj,const char * fieldName,UResourceBundle * bundle,const char * key)321 static void setStringField(JNIEnv* env, jobject obj, const char* fieldName, UResourceBundle* bundle, const char* key) {
322   UErrorCode status = U_ZERO_ERROR;
323   int charCount;
324   const UChar* chars = ures_getStringByKey(bundle, key, &charCount, &status);
325   if (U_SUCCESS(status)) {
326     setStringField(env, obj, fieldName, env->NewString(chars, charCount));
327   } else {
328     ALOGE("Error setting String field %s from ICU resource (key %s): %s", fieldName, key, u_errorName(status));
329   }
330 }
331 
setCharField(JNIEnv * env,jobject obj,const char * fieldName,const UnicodeString & value)332 static void setCharField(JNIEnv* env, jobject obj, const char* fieldName, const UnicodeString& value) {
333     if (value.length() == 0) {
334         return;
335     }
336     jfieldID fid = env->GetFieldID(JniConstants::localeDataClass, fieldName, "C");
337     env->SetCharField(obj, fid, value.charAt(0));
338 }
339 
setStringField(JNIEnv * env,jobject obj,const char * fieldName,const UnicodeString & value)340 static void setStringField(JNIEnv* env, jobject obj, const char* fieldName, const UnicodeString& value) {
341     const UChar* chars = value.getBuffer();
342     setStringField(env, obj, fieldName, env->NewString(chars, value.length()));
343 }
344 
setNumberPatterns(JNIEnv * env,jobject obj,Locale & locale)345 static void setNumberPatterns(JNIEnv* env, jobject obj, Locale& locale) {
346     UErrorCode status = U_ZERO_ERROR;
347 
348     UnicodeString pattern;
349     UniquePtr<DecimalFormat> fmt(static_cast<DecimalFormat*>(NumberFormat::createInstance(locale, UNUM_CURRENCY, status)));
350     pattern = fmt->toPattern(pattern.remove());
351     setStringField(env, obj, "currencyPattern", pattern);
352 
353     fmt.reset(static_cast<DecimalFormat*>(NumberFormat::createInstance(locale, UNUM_DECIMAL, status)));
354     pattern = fmt->toPattern(pattern.remove());
355     setStringField(env, obj, "numberPattern", pattern);
356 
357     fmt.reset(static_cast<DecimalFormat*>(NumberFormat::createInstance(locale, UNUM_PERCENT, status)));
358     pattern = fmt->toPattern(pattern.remove());
359     setStringField(env, obj, "percentPattern", pattern);
360 }
361 
setDecimalFormatSymbolsData(JNIEnv * env,jobject obj,Locale & locale)362 static void setDecimalFormatSymbolsData(JNIEnv* env, jobject obj, Locale& locale) {
363     UErrorCode status = U_ZERO_ERROR;
364     DecimalFormatSymbols dfs(locale, status);
365 
366     setCharField(env, obj, "decimalSeparator", dfs.getSymbol(DecimalFormatSymbols::kDecimalSeparatorSymbol));
367     setCharField(env, obj, "groupingSeparator", dfs.getSymbol(DecimalFormatSymbols::kGroupingSeparatorSymbol));
368     setCharField(env, obj, "patternSeparator", dfs.getSymbol(DecimalFormatSymbols::kPatternSeparatorSymbol));
369     setCharField(env, obj, "percent", dfs.getSymbol(DecimalFormatSymbols::kPercentSymbol));
370     setCharField(env, obj, "perMill", dfs.getSymbol(DecimalFormatSymbols::kPerMillSymbol));
371     setCharField(env, obj, "monetarySeparator", dfs.getSymbol(DecimalFormatSymbols::kMonetarySeparatorSymbol));
372     setCharField(env, obj, "minusSign", dfs.getSymbol(DecimalFormatSymbols:: kMinusSignSymbol));
373     setStringField(env, obj, "exponentSeparator", dfs.getSymbol(DecimalFormatSymbols::kExponentialSymbol));
374     setStringField(env, obj, "infinity", dfs.getSymbol(DecimalFormatSymbols::kInfinitySymbol));
375     setStringField(env, obj, "NaN", dfs.getSymbol(DecimalFormatSymbols::kNaNSymbol));
376     setCharField(env, obj, "zeroDigit", dfs.getSymbol(DecimalFormatSymbols::kZeroDigitSymbol));
377 }
378 
379 
380 // Iterates up through the locale hierarchy. So "en_US" would return "en_US", "en", "".
381 class LocaleNameIterator {
382  public:
LocaleNameIterator(const char * locale_name,UErrorCode & status)383   LocaleNameIterator(const char* locale_name, UErrorCode& status) : status_(status), has_next_(true) {
384     strcpy(locale_name_, locale_name);
385     locale_name_length_ = strlen(locale_name_);
386   }
387 
Get()388   const char* Get() {
389       return locale_name_;
390   }
391 
HasNext()392   bool HasNext() {
393     return has_next_;
394   }
395 
Up()396   void Up() {
397     locale_name_length_ = uloc_getParent(locale_name_, locale_name_, sizeof(locale_name_), &status_);
398     if (locale_name_length_ == 0) {
399       has_next_ = false;
400     }
401   }
402 
403  private:
404   UErrorCode& status_;
405   bool has_next_;
406   char locale_name_[ULOC_FULLNAME_CAPACITY];
407   int32_t locale_name_length_;
408 
409   DISALLOW_COPY_AND_ASSIGN(LocaleNameIterator);
410 };
411 
getDateTimePatterns(JNIEnv * env,jobject localeData,const char * locale_name)412 static bool getDateTimePatterns(JNIEnv* env, jobject localeData, const char* locale_name) {
413   UErrorCode status = U_ZERO_ERROR;
414   ScopedResourceBundle root(ures_open(NULL, locale_name, &status));
415   if (U_FAILURE(status)) {
416     return false;
417   }
418   ScopedResourceBundle calendar(ures_getByKey(root.get(), "calendar", NULL, &status));
419   if (U_FAILURE(status)) {
420     return false;
421   }
422   ScopedResourceBundle gregorian(ures_getByKey(calendar.get(), "gregorian", NULL, &status));
423   if (U_FAILURE(status)) {
424     return false;
425   }
426   ScopedResourceBundle dateTimePatterns(ures_getByKey(gregorian.get(), "DateTimePatterns", NULL, &status));
427   if (U_FAILURE(status)) {
428     return false;
429   }
430   setStringField(env, localeData, "fullTimeFormat", dateTimePatterns.get(), 0);
431   setStringField(env, localeData, "longTimeFormat", dateTimePatterns.get(), 1);
432   setStringField(env, localeData, "mediumTimeFormat", dateTimePatterns.get(), 2);
433   setStringField(env, localeData, "shortTimeFormat", dateTimePatterns.get(), 3);
434   setStringField(env, localeData, "fullDateFormat", dateTimePatterns.get(), 4);
435   setStringField(env, localeData, "longDateFormat", dateTimePatterns.get(), 5);
436   setStringField(env, localeData, "mediumDateFormat", dateTimePatterns.get(), 6);
437   setStringField(env, localeData, "shortDateFormat", dateTimePatterns.get(), 7);
438   return true;
439 }
440 
getTimeFormats12And24(JNIEnv * env,jobject localeData,Locale & locale)441 static bool getTimeFormats12And24(JNIEnv* env, jobject localeData, Locale& locale) {
442   UErrorCode status = U_ZERO_ERROR;
443   DateTimePatternGenerator* generator = DateTimePatternGenerator::createInstance(locale, status);
444   if (U_FAILURE(status)) {
445     return false;
446   }
447 
448   UnicodeString pattern_Hm(generator->getBestPattern(UnicodeString("Hm", 2, US_INV), status));
449   if (U_FAILURE(status)) {
450     return false;
451   }
452 
453   UnicodeString pattern_hm(generator->getBestPattern(UnicodeString("hm", 2, US_INV), status));
454   if (U_FAILURE(status)) {
455     return false;
456   }
457 
458   setStringField(env, localeData, "timeFormat12", pattern_hm);
459   setStringField(env, localeData, "timeFormat24", pattern_Hm);
460   return true;
461 }
462 
getYesterdayTodayAndTomorrow(JNIEnv * env,jobject localeData,const char * locale_name)463 static bool getYesterdayTodayAndTomorrow(JNIEnv* env, jobject localeData, const char* locale_name) {
464   UErrorCode status = U_ZERO_ERROR;
465   ScopedResourceBundle root(ures_open(NULL, locale_name, &status));
466   if (U_FAILURE(status)) {
467     return false;
468   }
469   ScopedResourceBundle calendar(ures_getByKey(root.get(), "calendar", NULL, &status));
470   if (U_FAILURE(status)) {
471     return false;
472   }
473   ScopedResourceBundle gregorian(ures_getByKey(calendar.get(), "gregorian", NULL, &status));
474   if (U_FAILURE(status)) {
475     return false;
476   }
477   ScopedResourceBundle fields(ures_getByKey(gregorian.get(), "fields", NULL, &status));
478   if (U_FAILURE(status)) {
479     return false;
480   }
481   ScopedResourceBundle day(ures_getByKey(fields.get(), "day", NULL, &status));
482   if (U_FAILURE(status)) {
483     return false;
484   }
485   ScopedResourceBundle relative(ures_getByKey(day.get(), "relative", NULL, &status));
486   if (U_FAILURE(status)) {
487     return false;
488   }
489   // bn_BD only has a "-2" entry.
490   if (relative.hasKey("-1") && relative.hasKey("0") && relative.hasKey("1")) {
491     setStringField(env, localeData, "yesterday", relative.get(), "-1");
492     setStringField(env, localeData, "today", relative.get(), "0");
493     setStringField(env, localeData, "tomorrow", relative.get(), "1");
494     return true;
495   }
496   return false;
497 }
498 
ICU_initLocaleDataImpl(JNIEnv * env,jclass,jstring javaLocaleName,jobject localeData)499 static jboolean ICU_initLocaleDataImpl(JNIEnv* env, jclass, jstring javaLocaleName, jobject localeData) {
500     ScopedUtfChars localeName(env, javaLocaleName);
501     if (localeName.c_str() == NULL) {
502         return JNI_FALSE;
503     }
504     if (localeName.size() >= ULOC_FULLNAME_CAPACITY) {
505         return JNI_FALSE; // ICU has a fixed-length limit.
506     }
507 
508     // Get the DateTimePatterns.
509     UErrorCode status = U_ZERO_ERROR;
510     bool foundDateTimePatterns = false;
511     for (LocaleNameIterator it(localeName.c_str(), status); it.HasNext(); it.Up()) {
512       if (getDateTimePatterns(env, localeData, it.Get())) {
513           foundDateTimePatterns = true;
514           break;
515       }
516     }
517     if (!foundDateTimePatterns) {
518         ALOGE("Couldn't find ICU DateTimePatterns for %s", localeName.c_str());
519         return JNI_FALSE;
520     }
521 
522     // Get the "h:mm a" and "HH:mm" 12- and 24-hour time format strings.
523     Locale locale = getLocale(env, javaLocaleName);
524     if (!getTimeFormats12And24(env, localeData, locale)) {
525         ALOGE("Couldn't find ICU 12- and 24-hour time formats for %s", localeName.c_str());
526         return JNI_FALSE;
527     }
528 
529     // Get the "Yesterday", "Today", and "Tomorrow" strings.
530     bool foundYesterdayTodayAndTomorrow = false;
531     for (LocaleNameIterator it(localeName.c_str(), status); it.HasNext(); it.Up()) {
532       if (getYesterdayTodayAndTomorrow(env, localeData, it.Get())) {
533         foundYesterdayTodayAndTomorrow = true;
534         break;
535       }
536     }
537     if (!foundYesterdayTodayAndTomorrow) {
538       ALOGE("Couldn't find ICU yesterday/today/tomorrow for %s", localeName.c_str());
539       return JNI_FALSE;
540     }
541 
542     status = U_ZERO_ERROR;
543     UniquePtr<Calendar> cal(Calendar::createInstance(locale, status));
544     if (U_FAILURE(status)) {
545         return JNI_FALSE;
546     }
547 
548     setIntegerField(env, localeData, "firstDayOfWeek", cal->getFirstDayOfWeek());
549     setIntegerField(env, localeData, "minimalDaysInFirstWeek", cal->getMinimalDaysInFirstWeek());
550 
551     // Get DateFormatSymbols.
552     status = U_ZERO_ERROR;
553     DateFormatSymbols dateFormatSym(locale, status);
554     if (U_FAILURE(status)) {
555         return JNI_FALSE;
556     }
557 
558     // Get AM/PM and BC/AD.
559     int32_t count = 0;
560     const UnicodeString* amPmStrs = dateFormatSym.getAmPmStrings(count);
561     setStringArrayField(env, localeData, "amPm", amPmStrs, count);
562     const UnicodeString* erasStrs = dateFormatSym.getEras(count);
563     setStringArrayField(env, localeData, "eras", erasStrs, count);
564 
565     const UnicodeString* longMonthNames =
566        dateFormatSym.getMonths(count, DateFormatSymbols::FORMAT, DateFormatSymbols::WIDE);
567     setStringArrayField(env, localeData, "longMonthNames", longMonthNames, count);
568     const UnicodeString* shortMonthNames =
569         dateFormatSym.getMonths(count, DateFormatSymbols::FORMAT, DateFormatSymbols::ABBREVIATED);
570     setStringArrayField(env, localeData, "shortMonthNames", shortMonthNames, count);
571     const UnicodeString* tinyMonthNames =
572         dateFormatSym.getMonths(count, DateFormatSymbols::FORMAT, DateFormatSymbols::NARROW);
573     setStringArrayField(env, localeData, "tinyMonthNames", tinyMonthNames, count);
574     const UnicodeString* longWeekdayNames =
575         dateFormatSym.getWeekdays(count, DateFormatSymbols::FORMAT, DateFormatSymbols::WIDE);
576     setStringArrayField(env, localeData, "longWeekdayNames", longWeekdayNames, count);
577     const UnicodeString* shortWeekdayNames =
578         dateFormatSym.getWeekdays(count, DateFormatSymbols::FORMAT, DateFormatSymbols::ABBREVIATED);
579     setStringArrayField(env, localeData, "shortWeekdayNames", shortWeekdayNames, count);
580     const UnicodeString* tinyWeekdayNames =
581         dateFormatSym.getWeekdays(count, DateFormatSymbols::FORMAT, DateFormatSymbols::NARROW);
582     setStringArrayField(env, localeData, "tinyWeekdayNames", tinyWeekdayNames, count);
583 
584     const UnicodeString* longStandAloneMonthNames =
585         dateFormatSym.getMonths(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::WIDE);
586     setStringArrayField(env, localeData, "longStandAloneMonthNames", longStandAloneMonthNames, count);
587     const UnicodeString* shortStandAloneMonthNames =
588         dateFormatSym.getMonths(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::ABBREVIATED);
589     setStringArrayField(env, localeData, "shortStandAloneMonthNames", shortStandAloneMonthNames, count);
590     const UnicodeString* tinyStandAloneMonthNames =
591         dateFormatSym.getMonths(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::NARROW);
592     setStringArrayField(env, localeData, "tinyStandAloneMonthNames", tinyStandAloneMonthNames, count);
593     const UnicodeString* longStandAloneWeekdayNames =
594         dateFormatSym.getWeekdays(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::WIDE);
595     setStringArrayField(env, localeData, "longStandAloneWeekdayNames", longStandAloneWeekdayNames, count);
596     const UnicodeString* shortStandAloneWeekdayNames =
597         dateFormatSym.getWeekdays(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::ABBREVIATED);
598     setStringArrayField(env, localeData, "shortStandAloneWeekdayNames", shortStandAloneWeekdayNames, count);
599     const UnicodeString* tinyStandAloneWeekdayNames =
600         dateFormatSym.getWeekdays(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::NARROW);
601     setStringArrayField(env, localeData, "tinyStandAloneWeekdayNames", tinyStandAloneWeekdayNames, count);
602 
603     status = U_ZERO_ERROR;
604 
605     // For numberPatterns and symbols.
606     setNumberPatterns(env, localeData, locale);
607     setDecimalFormatSymbolsData(env, localeData, locale);
608 
609     jstring countryCode = env->NewStringUTF(Locale::createFromName(localeName.c_str()).getCountry());
610     jstring internationalCurrencySymbol = ICU_getCurrencyCode(env, NULL, countryCode);
611     env->DeleteLocalRef(countryCode);
612     countryCode = NULL;
613 
614     jstring currencySymbol = NULL;
615     if (internationalCurrencySymbol != NULL) {
616         currencySymbol = ICU_getCurrencySymbol(env, NULL, javaLocaleName, internationalCurrencySymbol);
617     } else {
618         internationalCurrencySymbol = env->NewStringUTF("XXX");
619     }
620     if (currencySymbol == NULL) {
621         // This is the UTF-8 encoding of U+00A4 (CURRENCY SIGN).
622         currencySymbol = env->NewStringUTF("\xc2\xa4");
623     }
624     setStringField(env, localeData, "currencySymbol", currencySymbol);
625     setStringField(env, localeData, "internationalCurrencySymbol", internationalCurrencySymbol);
626 
627     return JNI_TRUE;
628 }
629 
ICU_toLowerCase(JNIEnv * env,jclass,jstring javaString,jstring localeName)630 static jstring ICU_toLowerCase(JNIEnv* env, jclass, jstring javaString, jstring localeName) {
631   ScopedJavaUnicodeString scopedString(env, javaString);
632   if (!scopedString.valid()) {
633     return NULL;
634   }
635   UnicodeString& s(scopedString.unicodeString());
636   UnicodeString original(s);
637   s.toLower(Locale::createFromName(ScopedUtfChars(env, localeName).c_str()));
638   return s == original ? javaString : env->NewString(s.getBuffer(), s.length());
639 }
640 
ICU_toUpperCase(JNIEnv * env,jclass,jstring javaString,jstring localeName)641 static jstring ICU_toUpperCase(JNIEnv* env, jclass, jstring javaString, jstring localeName) {
642   ScopedJavaUnicodeString scopedString(env, javaString);
643   if (!scopedString.valid()) {
644     return NULL;
645   }
646   UnicodeString& s(scopedString.unicodeString());
647   UnicodeString original(s);
648   s.toUpper(Locale::createFromName(ScopedUtfChars(env, localeName).c_str()));
649   return s == original ? javaString : env->NewString(s.getBuffer(), s.length());
650 }
651 
versionString(JNIEnv * env,const UVersionInfo & version)652 static jstring versionString(JNIEnv* env, const UVersionInfo& version) {
653     char versionString[U_MAX_VERSION_STRING_LENGTH];
654     u_versionToString(const_cast<UVersionInfo&>(version), &versionString[0]);
655     return env->NewStringUTF(versionString);
656 }
657 
ICU_getCldrVersion(JNIEnv * env,jclass)658 static jstring ICU_getCldrVersion(JNIEnv* env, jclass) {
659   UErrorCode status = U_ZERO_ERROR;
660   UVersionInfo cldrVersion;
661   ulocdata_getCLDRVersion(cldrVersion, &status);
662   return versionString(env, cldrVersion);
663 }
664 
ICU_getIcuVersion(JNIEnv * env,jclass)665 static jstring ICU_getIcuVersion(JNIEnv* env, jclass) {
666     UVersionInfo icuVersion;
667     u_getVersion(icuVersion);
668     return versionString(env, icuVersion);
669 }
670 
ICU_getUnicodeVersion(JNIEnv * env,jclass)671 static jstring ICU_getUnicodeVersion(JNIEnv* env, jclass) {
672     UVersionInfo unicodeVersion;
673     u_getUnicodeVersion(unicodeVersion);
674     return versionString(env, unicodeVersion);
675 }
676 
677 struct EnumerationCounter {
678     const size_t count;
EnumerationCounterEnumerationCounter679     EnumerationCounter(size_t count) : count(count) {}
operator ()EnumerationCounter680     size_t operator()() { return count; }
681 };
682 struct EnumerationGetter {
683     UEnumeration* e;
684     UErrorCode* status;
EnumerationGetterEnumerationGetter685     EnumerationGetter(UEnumeration* e, UErrorCode* status) : e(e), status(status) {}
operator ()EnumerationGetter686     const UChar* operator()(int32_t* charCount) { return uenum_unext(e, charCount, status); }
687 };
ICU_getAvailableCurrencyCodes(JNIEnv * env,jclass)688 static jobject ICU_getAvailableCurrencyCodes(JNIEnv* env, jclass) {
689     UErrorCode status = U_ZERO_ERROR;
690     UEnumeration* e(ucurr_openISOCurrencies(UCURR_COMMON|UCURR_NON_DEPRECATED, &status));
691     EnumerationCounter counter(uenum_count(e, &status));
692     if (maybeThrowIcuException(env, "uenum_count", status)) {
693         return NULL;
694     }
695     EnumerationGetter getter(e, &status);
696     jobject result = toStringArray16(env, &counter, &getter);
697     maybeThrowIcuException(env, "uenum_unext", status);
698     uenum_close(e);
699     return result;
700 }
701 
ICU_getBestDateTimePattern(JNIEnv * env,jclass,jstring javaPattern,jstring javaLocaleName)702 static jstring ICU_getBestDateTimePattern(JNIEnv* env, jclass, jstring javaPattern, jstring javaLocaleName) {
703   Locale locale = getLocale(env, javaLocaleName);
704   UErrorCode status = U_ZERO_ERROR;
705   DateTimePatternGenerator* generator = DateTimePatternGenerator::createInstance(locale, status);
706   if (maybeThrowIcuException(env, "DateTimePatternGenerator::createInstance", status)) {
707     return NULL;
708   }
709 
710   ScopedJavaUnicodeString patternHolder(env, javaPattern);
711   if (!patternHolder.valid()) {
712     return NULL;
713   }
714   UnicodeString result(generator->getBestPattern(patternHolder.unicodeString(), status));
715   if (maybeThrowIcuException(env, "DateTimePatternGenerator::getBestPattern", status)) {
716     return NULL;
717   }
718 
719   return env->NewString(result.getBuffer(), result.length());
720 }
721 
722 static JNINativeMethod gMethods[] = {
723     NATIVE_METHOD(ICU, addLikelySubtags, "(Ljava/lang/String;)Ljava/lang/String;"),
724     NATIVE_METHOD(ICU, getAvailableBreakIteratorLocalesNative, "()[Ljava/lang/String;"),
725     NATIVE_METHOD(ICU, getAvailableCalendarLocalesNative, "()[Ljava/lang/String;"),
726     NATIVE_METHOD(ICU, getAvailableCollatorLocalesNative, "()[Ljava/lang/String;"),
727     NATIVE_METHOD(ICU, getAvailableCurrencyCodes, "()[Ljava/lang/String;"),
728     NATIVE_METHOD(ICU, getAvailableDateFormatLocalesNative, "()[Ljava/lang/String;"),
729     NATIVE_METHOD(ICU, getAvailableLocalesNative, "()[Ljava/lang/String;"),
730     NATIVE_METHOD(ICU, getAvailableNumberFormatLocalesNative, "()[Ljava/lang/String;"),
731     NATIVE_METHOD(ICU, getBestDateTimePattern, "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;"),
732     NATIVE_METHOD(ICU, getCldrVersion, "()Ljava/lang/String;"),
733     NATIVE_METHOD(ICU, getCurrencyCode, "(Ljava/lang/String;)Ljava/lang/String;"),
734     NATIVE_METHOD(ICU, getCurrencyDisplayName, "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;"),
735     NATIVE_METHOD(ICU, getCurrencyFractionDigits, "(Ljava/lang/String;)I"),
736     NATIVE_METHOD(ICU, getCurrencySymbol, "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;"),
737     NATIVE_METHOD(ICU, getDisplayCountryNative, "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;"),
738     NATIVE_METHOD(ICU, getDisplayLanguageNative, "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;"),
739     NATIVE_METHOD(ICU, getDisplayVariantNative, "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;"),
740     NATIVE_METHOD(ICU, getISO3CountryNative, "(Ljava/lang/String;)Ljava/lang/String;"),
741     NATIVE_METHOD(ICU, getISO3LanguageNative, "(Ljava/lang/String;)Ljava/lang/String;"),
742     NATIVE_METHOD(ICU, getISOCountriesNative, "()[Ljava/lang/String;"),
743     NATIVE_METHOD(ICU, getISOLanguagesNative, "()[Ljava/lang/String;"),
744     NATIVE_METHOD(ICU, getIcuVersion, "()Ljava/lang/String;"),
745     NATIVE_METHOD(ICU, getScript, "(Ljava/lang/String;)Ljava/lang/String;"),
746     NATIVE_METHOD(ICU, getUnicodeVersion, "()Ljava/lang/String;"),
747     NATIVE_METHOD(ICU, initLocaleDataImpl, "(Ljava/lang/String;Llibcore/icu/LocaleData;)Z"),
748     NATIVE_METHOD(ICU, toLowerCase, "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;"),
749     NATIVE_METHOD(ICU, toUpperCase, "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;"),
750 };
register_libcore_icu_ICU(JNIEnv * env)751 void register_libcore_icu_ICU(JNIEnv* env) {
752     std::string path;
753     path = u_getDataDirectory();
754     path += "/";
755     path += U_ICUDATA_NAME;
756     path += ".dat";
757 
758     #define FAIL_WITH_STRERROR(s) \
759         ALOGE("Couldn't " s " '%s': %s", path.c_str(), strerror(errno)); \
760         abort();
761     #define MAYBE_FAIL_WITH_ICU_ERROR(s) \
762         if (status != U_ZERO_ERROR) {\
763             ALOGE("Couldn't initialize ICU (" s "): %s (%s)", u_errorName(status), path.c_str()); \
764             abort(); \
765         }
766 
767     // Open the file and get its length.
768     ScopedFd fd(open(path.c_str(), O_RDONLY));
769     if (fd.get() == -1) {
770         FAIL_WITH_STRERROR("open");
771     }
772     struct stat sb;
773     if (fstat(fd.get(), &sb) == -1) {
774         FAIL_WITH_STRERROR("stat");
775     }
776 
777     // Map it.
778     void* data = mmap(NULL, sb.st_size, PROT_READ, MAP_SHARED, fd.get(), 0);
779     if (data == MAP_FAILED) {
780         FAIL_WITH_STRERROR("mmap");
781     }
782 
783     // Tell the kernel that accesses are likely to be random rather than sequential.
784     if (madvise(data, sb.st_size, MADV_RANDOM) == -1) {
785         FAIL_WITH_STRERROR("madvise(MADV_RANDOM)");
786     }
787 
788     // Tell ICU to use our memory-mapped data.
789     UErrorCode status = U_ZERO_ERROR;
790     udata_setCommonData(data, &status);
791     MAYBE_FAIL_WITH_ICU_ERROR("udata_setCommonData");
792     // Tell ICU it can *only* use our memory-mapped data.
793     udata_setFileAccess(UDATA_NO_FILES, &status);
794     MAYBE_FAIL_WITH_ICU_ERROR("udata_setFileAccess");
795 
796     // Failures to find the ICU data tend to be somewhat obscure because ICU loads its data on first
797     // use, which can be anywhere. Force initialization up front so we can report a nice clear error
798     // and bail.
799     u_init(&status);
800     MAYBE_FAIL_WITH_ICU_ERROR("u_init");
801     jniRegisterNativeMethods(env, "libcore/icu/ICU", gMethods, NELEM(gMethods));
802 }
803