1 // Copyright 2013 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 // limitations under the License.
5
6 #include "src/i18n.h"
7
8 #include <memory>
9
10 #include "src/api.h"
11 #include "src/factory.h"
12 #include "src/isolate.h"
13 #include "src/objects-inl.h"
14 #include "unicode/brkiter.h"
15 #include "unicode/calendar.h"
16 #include "unicode/coll.h"
17 #include "unicode/curramt.h"
18 #include "unicode/dcfmtsym.h"
19 #include "unicode/decimfmt.h"
20 #include "unicode/dtfmtsym.h"
21 #include "unicode/dtptngen.h"
22 #include "unicode/gregocal.h"
23 #include "unicode/locid.h"
24 #include "unicode/numfmt.h"
25 #include "unicode/numsys.h"
26 #include "unicode/rbbi.h"
27 #include "unicode/smpdtfmt.h"
28 #include "unicode/timezone.h"
29 #include "unicode/uchar.h"
30 #include "unicode/ucol.h"
31 #include "unicode/ucurr.h"
32 #include "unicode/unum.h"
33 #include "unicode/uvernum.h"
34 #include "unicode/uversion.h"
35
36 #if U_ICU_VERSION_MAJOR_NUM >= 59
37 #include "unicode/char16ptr.h"
38 #endif
39
40 namespace v8 {
41 namespace internal {
42
43 namespace {
44
ExtractStringSetting(Isolate * isolate,Handle<JSObject> options,const char * key,icu::UnicodeString * setting)45 bool ExtractStringSetting(Isolate* isolate,
46 Handle<JSObject> options,
47 const char* key,
48 icu::UnicodeString* setting) {
49 Handle<String> str = isolate->factory()->NewStringFromAsciiChecked(key);
50 Handle<Object> object =
51 JSReceiver::GetProperty(options, str).ToHandleChecked();
52 if (object->IsString()) {
53 v8::String::Utf8Value utf8_string(
54 v8::Utils::ToLocal(Handle<String>::cast(object)));
55 *setting = icu::UnicodeString::fromUTF8(*utf8_string);
56 return true;
57 }
58 return false;
59 }
60
61
ExtractIntegerSetting(Isolate * isolate,Handle<JSObject> options,const char * key,int32_t * value)62 bool ExtractIntegerSetting(Isolate* isolate,
63 Handle<JSObject> options,
64 const char* key,
65 int32_t* value) {
66 Handle<String> str = isolate->factory()->NewStringFromAsciiChecked(key);
67 Handle<Object> object =
68 JSReceiver::GetProperty(options, str).ToHandleChecked();
69 if (object->IsNumber()) {
70 object->ToInt32(value);
71 return true;
72 }
73 return false;
74 }
75
76
ExtractBooleanSetting(Isolate * isolate,Handle<JSObject> options,const char * key,bool * value)77 bool ExtractBooleanSetting(Isolate* isolate,
78 Handle<JSObject> options,
79 const char* key,
80 bool* value) {
81 Handle<String> str = isolate->factory()->NewStringFromAsciiChecked(key);
82 Handle<Object> object =
83 JSReceiver::GetProperty(options, str).ToHandleChecked();
84 if (object->IsBoolean()) {
85 *value = object->BooleanValue();
86 return true;
87 }
88 return false;
89 }
90
91
CreateICUDateFormat(Isolate * isolate,const icu::Locale & icu_locale,Handle<JSObject> options)92 icu::SimpleDateFormat* CreateICUDateFormat(
93 Isolate* isolate,
94 const icu::Locale& icu_locale,
95 Handle<JSObject> options) {
96 // Create time zone as specified by the user. We have to re-create time zone
97 // since calendar takes ownership.
98 icu::TimeZone* tz = NULL;
99 icu::UnicodeString timezone;
100 if (ExtractStringSetting(isolate, options, "timeZone", &timezone)) {
101 tz = icu::TimeZone::createTimeZone(timezone);
102 } else {
103 tz = icu::TimeZone::createDefault();
104 }
105
106 // Create a calendar using locale, and apply time zone to it.
107 UErrorCode status = U_ZERO_ERROR;
108 icu::Calendar* calendar =
109 icu::Calendar::createInstance(tz, icu_locale, status);
110
111 if (calendar->getDynamicClassID() ==
112 icu::GregorianCalendar::getStaticClassID()) {
113 icu::GregorianCalendar* gc = (icu::GregorianCalendar*)calendar;
114 UErrorCode status = U_ZERO_ERROR;
115 // The beginning of ECMAScript time, namely -(2**53)
116 const double start_of_time = -9007199254740992;
117 gc->setGregorianChange(start_of_time, status);
118 DCHECK(U_SUCCESS(status));
119 }
120
121 // Make formatter from skeleton. Calendar and numbering system are added
122 // to the locale as Unicode extension (if they were specified at all).
123 icu::SimpleDateFormat* date_format = NULL;
124 icu::UnicodeString skeleton;
125 if (ExtractStringSetting(isolate, options, "skeleton", &skeleton)) {
126 std::unique_ptr<icu::DateTimePatternGenerator> generator(
127 icu::DateTimePatternGenerator::createInstance(icu_locale, status));
128 icu::UnicodeString pattern;
129 if (U_SUCCESS(status))
130 pattern = generator->getBestPattern(skeleton, status);
131
132 date_format = new icu::SimpleDateFormat(pattern, icu_locale, status);
133 if (U_SUCCESS(status)) {
134 date_format->adoptCalendar(calendar);
135 }
136 }
137
138 if (U_FAILURE(status)) {
139 delete calendar;
140 delete date_format;
141 date_format = nullptr;
142 }
143
144 return date_format;
145 }
146
147
SetResolvedDateSettings(Isolate * isolate,const icu::Locale & icu_locale,icu::SimpleDateFormat * date_format,Handle<JSObject> resolved)148 void SetResolvedDateSettings(Isolate* isolate,
149 const icu::Locale& icu_locale,
150 icu::SimpleDateFormat* date_format,
151 Handle<JSObject> resolved) {
152 Factory* factory = isolate->factory();
153 UErrorCode status = U_ZERO_ERROR;
154 icu::UnicodeString pattern;
155 date_format->toPattern(pattern);
156 JSObject::SetProperty(
157 resolved, factory->intl_pattern_symbol(),
158 factory->NewStringFromTwoByte(
159 Vector<const uint16_t>(
160 reinterpret_cast<const uint16_t*>(pattern.getBuffer()),
161 pattern.length())).ToHandleChecked(),
162 SLOPPY).Assert();
163
164 // Set time zone and calendar.
165 const icu::Calendar* calendar = date_format->getCalendar();
166 // getType() returns legacy calendar type name instead of LDML/BCP47 calendar
167 // key values. i18n.js maps them to BCP47 values for key "ca".
168 // TODO(jshin): Consider doing it here, instead.
169 const char* calendar_name = calendar->getType();
170 JSObject::SetProperty(resolved, factory->NewStringFromStaticChars("calendar"),
171 factory->NewStringFromAsciiChecked(calendar_name),
172 SLOPPY).Assert();
173
174 const icu::TimeZone& tz = calendar->getTimeZone();
175 icu::UnicodeString time_zone;
176 tz.getID(time_zone);
177
178 icu::UnicodeString canonical_time_zone;
179 icu::TimeZone::getCanonicalID(time_zone, canonical_time_zone, status);
180 if (U_SUCCESS(status)) {
181 if (canonical_time_zone == UNICODE_STRING_SIMPLE("Etc/GMT")) {
182 JSObject::SetProperty(
183 resolved, factory->NewStringFromStaticChars("timeZone"),
184 factory->NewStringFromStaticChars("UTC"), SLOPPY).Assert();
185 } else {
186 JSObject::SetProperty(
187 resolved, factory->NewStringFromStaticChars("timeZone"),
188 factory->NewStringFromTwoByte(
189 Vector<const uint16_t>(
190 reinterpret_cast<const uint16_t*>(
191 canonical_time_zone.getBuffer()),
192 canonical_time_zone.length())).ToHandleChecked(),
193 SLOPPY).Assert();
194 }
195 }
196
197 // Ugly hack. ICU doesn't expose numbering system in any way, so we have
198 // to assume that for given locale NumberingSystem constructor produces the
199 // same digits as NumberFormat/Calendar would.
200 status = U_ZERO_ERROR;
201 icu::NumberingSystem* numbering_system =
202 icu::NumberingSystem::createInstance(icu_locale, status);
203 if (U_SUCCESS(status)) {
204 const char* ns = numbering_system->getName();
205 JSObject::SetProperty(
206 resolved, factory->NewStringFromStaticChars("numberingSystem"),
207 factory->NewStringFromAsciiChecked(ns), SLOPPY).Assert();
208 } else {
209 JSObject::SetProperty(resolved,
210 factory->NewStringFromStaticChars("numberingSystem"),
211 factory->undefined_value(), SLOPPY).Assert();
212 }
213 delete numbering_system;
214
215 // Set the locale
216 char result[ULOC_FULLNAME_CAPACITY];
217 status = U_ZERO_ERROR;
218 uloc_toLanguageTag(
219 icu_locale.getName(), result, ULOC_FULLNAME_CAPACITY, FALSE, &status);
220 if (U_SUCCESS(status)) {
221 JSObject::SetProperty(resolved, factory->NewStringFromStaticChars("locale"),
222 factory->NewStringFromAsciiChecked(result),
223 SLOPPY).Assert();
224 } else {
225 // This would never happen, since we got the locale from ICU.
226 JSObject::SetProperty(resolved, factory->NewStringFromStaticChars("locale"),
227 factory->NewStringFromStaticChars("und"),
228 SLOPPY).Assert();
229 }
230 }
231
232
CreateICUNumberFormat(Isolate * isolate,const icu::Locale & icu_locale,Handle<JSObject> options)233 icu::DecimalFormat* CreateICUNumberFormat(
234 Isolate* isolate,
235 const icu::Locale& icu_locale,
236 Handle<JSObject> options) {
237 // Make formatter from options. Numbering system is added
238 // to the locale as Unicode extension (if it was specified at all).
239 UErrorCode status = U_ZERO_ERROR;
240 icu::DecimalFormat* number_format = NULL;
241 icu::UnicodeString style;
242 icu::UnicodeString currency;
243 if (ExtractStringSetting(isolate, options, "style", &style)) {
244 if (style == UNICODE_STRING_SIMPLE("currency")) {
245 icu::UnicodeString display;
246 ExtractStringSetting(isolate, options, "currency", ¤cy);
247 ExtractStringSetting(isolate, options, "currencyDisplay", &display);
248
249 #if (U_ICU_VERSION_MAJOR_NUM == 4) && (U_ICU_VERSION_MINOR_NUM <= 6)
250 icu::NumberFormat::EStyles format_style;
251 if (display == UNICODE_STRING_SIMPLE("code")) {
252 format_style = icu::NumberFormat::kIsoCurrencyStyle;
253 } else if (display == UNICODE_STRING_SIMPLE("name")) {
254 format_style = icu::NumberFormat::kPluralCurrencyStyle;
255 } else {
256 format_style = icu::NumberFormat::kCurrencyStyle;
257 }
258 #else // ICU version is 4.8 or above (we ignore versions below 4.0).
259 UNumberFormatStyle format_style;
260 if (display == UNICODE_STRING_SIMPLE("code")) {
261 format_style = UNUM_CURRENCY_ISO;
262 } else if (display == UNICODE_STRING_SIMPLE("name")) {
263 format_style = UNUM_CURRENCY_PLURAL;
264 } else {
265 format_style = UNUM_CURRENCY;
266 }
267 #endif
268
269 number_format = static_cast<icu::DecimalFormat*>(
270 icu::NumberFormat::createInstance(icu_locale, format_style, status));
271
272 if (U_FAILURE(status)) {
273 delete number_format;
274 return NULL;
275 }
276
277 UErrorCode status_digits = U_ZERO_ERROR;
278 #if U_ICU_VERSION_MAJOR_NUM >= 59
279 uint32_t fraction_digits = ucurr_getDefaultFractionDigits(
280 icu::toUCharPtr(currency.getTerminatedBuffer()), &status_digits);
281 #else
282 uint32_t fraction_digits = ucurr_getDefaultFractionDigits(
283 currency.getTerminatedBuffer(), &status_digits);
284 #endif
285 if (U_SUCCESS(status_digits)) {
286 number_format->setMinimumFractionDigits(fraction_digits);
287 number_format->setMaximumFractionDigits(fraction_digits);
288 } else {
289 // Set min & max to default values (previously in i18n.js)
290 number_format->setMinimumFractionDigits(0);
291 number_format->setMaximumFractionDigits(3);
292 }
293 } else if (style == UNICODE_STRING_SIMPLE("percent")) {
294 number_format = static_cast<icu::DecimalFormat*>(
295 icu::NumberFormat::createPercentInstance(icu_locale, status));
296 if (U_FAILURE(status)) {
297 delete number_format;
298 return NULL;
299 }
300 // Make sure 1.1% doesn't go into 2%.
301 number_format->setMinimumFractionDigits(1);
302 } else {
303 // Make a decimal instance by default.
304 number_format = static_cast<icu::DecimalFormat*>(
305 icu::NumberFormat::createInstance(icu_locale, status));
306 }
307 }
308
309 if (U_FAILURE(status)) {
310 delete number_format;
311 return NULL;
312 }
313
314 // Set all options.
315 if (!currency.isEmpty()) {
316 number_format->setCurrency(currency.getBuffer(), status);
317 }
318
319 int32_t digits;
320 if (ExtractIntegerSetting(
321 isolate, options, "minimumIntegerDigits", &digits)) {
322 number_format->setMinimumIntegerDigits(digits);
323 }
324
325 if (ExtractIntegerSetting(
326 isolate, options, "minimumFractionDigits", &digits)) {
327 number_format->setMinimumFractionDigits(digits);
328 }
329
330 if (ExtractIntegerSetting(
331 isolate, options, "maximumFractionDigits", &digits)) {
332 number_format->setMaximumFractionDigits(digits);
333 }
334
335 bool significant_digits_used = false;
336 if (ExtractIntegerSetting(
337 isolate, options, "minimumSignificantDigits", &digits)) {
338 number_format->setMinimumSignificantDigits(digits);
339 significant_digits_used = true;
340 }
341
342 if (ExtractIntegerSetting(
343 isolate, options, "maximumSignificantDigits", &digits)) {
344 number_format->setMaximumSignificantDigits(digits);
345 significant_digits_used = true;
346 }
347
348 number_format->setSignificantDigitsUsed(significant_digits_used);
349
350 bool grouping;
351 if (ExtractBooleanSetting(isolate, options, "useGrouping", &grouping)) {
352 number_format->setGroupingUsed(grouping);
353 }
354
355 // Set rounding mode.
356 number_format->setRoundingMode(icu::DecimalFormat::kRoundHalfUp);
357
358 return number_format;
359 }
360
361
SetResolvedNumberSettings(Isolate * isolate,const icu::Locale & icu_locale,icu::DecimalFormat * number_format,Handle<JSObject> resolved)362 void SetResolvedNumberSettings(Isolate* isolate,
363 const icu::Locale& icu_locale,
364 icu::DecimalFormat* number_format,
365 Handle<JSObject> resolved) {
366 Factory* factory = isolate->factory();
367 icu::UnicodeString pattern;
368 number_format->toPattern(pattern);
369 JSObject::SetProperty(
370 resolved, factory->intl_pattern_symbol(),
371 factory->NewStringFromTwoByte(
372 Vector<const uint16_t>(
373 reinterpret_cast<const uint16_t*>(pattern.getBuffer()),
374 pattern.length())).ToHandleChecked(),
375 SLOPPY).Assert();
376
377 // Set resolved currency code in options.currency if not empty.
378 icu::UnicodeString currency(number_format->getCurrency());
379 if (!currency.isEmpty()) {
380 JSObject::SetProperty(
381 resolved, factory->NewStringFromStaticChars("currency"),
382 factory->NewStringFromTwoByte(Vector<const uint16_t>(
383 reinterpret_cast<const uint16_t*>(
384 currency.getBuffer()),
385 currency.length())).ToHandleChecked(),
386 SLOPPY).Assert();
387 }
388
389 // Ugly hack. ICU doesn't expose numbering system in any way, so we have
390 // to assume that for given locale NumberingSystem constructor produces the
391 // same digits as NumberFormat/Calendar would.
392 UErrorCode status = U_ZERO_ERROR;
393 icu::NumberingSystem* numbering_system =
394 icu::NumberingSystem::createInstance(icu_locale, status);
395 if (U_SUCCESS(status)) {
396 const char* ns = numbering_system->getName();
397 JSObject::SetProperty(
398 resolved, factory->NewStringFromStaticChars("numberingSystem"),
399 factory->NewStringFromAsciiChecked(ns), SLOPPY).Assert();
400 } else {
401 JSObject::SetProperty(resolved,
402 factory->NewStringFromStaticChars("numberingSystem"),
403 factory->undefined_value(), SLOPPY).Assert();
404 }
405 delete numbering_system;
406
407 JSObject::SetProperty(
408 resolved, factory->NewStringFromStaticChars("useGrouping"),
409 factory->ToBoolean(number_format->isGroupingUsed()), SLOPPY).Assert();
410
411 JSObject::SetProperty(
412 resolved, factory->NewStringFromStaticChars("minimumIntegerDigits"),
413 factory->NewNumberFromInt(number_format->getMinimumIntegerDigits()),
414 SLOPPY).Assert();
415
416 JSObject::SetProperty(
417 resolved, factory->NewStringFromStaticChars("minimumFractionDigits"),
418 factory->NewNumberFromInt(number_format->getMinimumFractionDigits()),
419 SLOPPY).Assert();
420
421 JSObject::SetProperty(
422 resolved, factory->NewStringFromStaticChars("maximumFractionDigits"),
423 factory->NewNumberFromInt(number_format->getMaximumFractionDigits()),
424 SLOPPY).Assert();
425
426 Handle<String> key =
427 factory->NewStringFromStaticChars("minimumSignificantDigits");
428 Maybe<bool> maybe = JSReceiver::HasOwnProperty(resolved, key);
429 CHECK(maybe.IsJust());
430 if (maybe.FromJust()) {
431 JSObject::SetProperty(
432 resolved, factory->NewStringFromStaticChars("minimumSignificantDigits"),
433 factory->NewNumberFromInt(number_format->getMinimumSignificantDigits()),
434 SLOPPY).Assert();
435 }
436
437 key = factory->NewStringFromStaticChars("maximumSignificantDigits");
438 maybe = JSReceiver::HasOwnProperty(resolved, key);
439 CHECK(maybe.IsJust());
440 if (maybe.FromJust()) {
441 JSObject::SetProperty(
442 resolved, factory->NewStringFromStaticChars("maximumSignificantDigits"),
443 factory->NewNumberFromInt(number_format->getMaximumSignificantDigits()),
444 SLOPPY).Assert();
445 }
446
447 // Set the locale
448 char result[ULOC_FULLNAME_CAPACITY];
449 status = U_ZERO_ERROR;
450 uloc_toLanguageTag(
451 icu_locale.getName(), result, ULOC_FULLNAME_CAPACITY, FALSE, &status);
452 if (U_SUCCESS(status)) {
453 JSObject::SetProperty(resolved, factory->NewStringFromStaticChars("locale"),
454 factory->NewStringFromAsciiChecked(result),
455 SLOPPY).Assert();
456 } else {
457 // This would never happen, since we got the locale from ICU.
458 JSObject::SetProperty(resolved, factory->NewStringFromStaticChars("locale"),
459 factory->NewStringFromStaticChars("und"),
460 SLOPPY).Assert();
461 }
462 }
463
464
CreateICUCollator(Isolate * isolate,const icu::Locale & icu_locale,Handle<JSObject> options)465 icu::Collator* CreateICUCollator(
466 Isolate* isolate,
467 const icu::Locale& icu_locale,
468 Handle<JSObject> options) {
469 // Make collator from options.
470 icu::Collator* collator = NULL;
471 UErrorCode status = U_ZERO_ERROR;
472 collator = icu::Collator::createInstance(icu_locale, status);
473
474 if (U_FAILURE(status)) {
475 delete collator;
476 return NULL;
477 }
478
479 // Set flags first, and then override them with sensitivity if necessary.
480 bool numeric;
481 if (ExtractBooleanSetting(isolate, options, "numeric", &numeric)) {
482 collator->setAttribute(
483 UCOL_NUMERIC_COLLATION, numeric ? UCOL_ON : UCOL_OFF, status);
484 }
485
486 // Normalization is always on, by the spec. We are free to optimize
487 // if the strings are already normalized (but we don't have a way to tell
488 // that right now).
489 collator->setAttribute(UCOL_NORMALIZATION_MODE, UCOL_ON, status);
490
491 icu::UnicodeString case_first;
492 if (ExtractStringSetting(isolate, options, "caseFirst", &case_first)) {
493 if (case_first == UNICODE_STRING_SIMPLE("upper")) {
494 collator->setAttribute(UCOL_CASE_FIRST, UCOL_UPPER_FIRST, status);
495 } else if (case_first == UNICODE_STRING_SIMPLE("lower")) {
496 collator->setAttribute(UCOL_CASE_FIRST, UCOL_LOWER_FIRST, status);
497 } else {
498 // Default (false/off).
499 collator->setAttribute(UCOL_CASE_FIRST, UCOL_OFF, status);
500 }
501 }
502
503 icu::UnicodeString sensitivity;
504 if (ExtractStringSetting(isolate, options, "sensitivity", &sensitivity)) {
505 if (sensitivity == UNICODE_STRING_SIMPLE("base")) {
506 collator->setStrength(icu::Collator::PRIMARY);
507 } else if (sensitivity == UNICODE_STRING_SIMPLE("accent")) {
508 collator->setStrength(icu::Collator::SECONDARY);
509 } else if (sensitivity == UNICODE_STRING_SIMPLE("case")) {
510 collator->setStrength(icu::Collator::PRIMARY);
511 collator->setAttribute(UCOL_CASE_LEVEL, UCOL_ON, status);
512 } else {
513 // variant (default)
514 collator->setStrength(icu::Collator::TERTIARY);
515 }
516 }
517
518 bool ignore;
519 if (ExtractBooleanSetting(isolate, options, "ignorePunctuation", &ignore)) {
520 if (ignore) {
521 collator->setAttribute(UCOL_ALTERNATE_HANDLING, UCOL_SHIFTED, status);
522 }
523 }
524
525 return collator;
526 }
527
528
SetResolvedCollatorSettings(Isolate * isolate,const icu::Locale & icu_locale,icu::Collator * collator,Handle<JSObject> resolved)529 void SetResolvedCollatorSettings(Isolate* isolate,
530 const icu::Locale& icu_locale,
531 icu::Collator* collator,
532 Handle<JSObject> resolved) {
533 Factory* factory = isolate->factory();
534 UErrorCode status = U_ZERO_ERROR;
535
536 JSObject::SetProperty(
537 resolved, factory->NewStringFromStaticChars("numeric"),
538 factory->ToBoolean(
539 collator->getAttribute(UCOL_NUMERIC_COLLATION, status) == UCOL_ON),
540 SLOPPY).Assert();
541
542 switch (collator->getAttribute(UCOL_CASE_FIRST, status)) {
543 case UCOL_LOWER_FIRST:
544 JSObject::SetProperty(
545 resolved, factory->NewStringFromStaticChars("caseFirst"),
546 factory->NewStringFromStaticChars("lower"), SLOPPY).Assert();
547 break;
548 case UCOL_UPPER_FIRST:
549 JSObject::SetProperty(
550 resolved, factory->NewStringFromStaticChars("caseFirst"),
551 factory->NewStringFromStaticChars("upper"), SLOPPY).Assert();
552 break;
553 default:
554 JSObject::SetProperty(
555 resolved, factory->NewStringFromStaticChars("caseFirst"),
556 factory->NewStringFromStaticChars("false"), SLOPPY).Assert();
557 }
558
559 switch (collator->getAttribute(UCOL_STRENGTH, status)) {
560 case UCOL_PRIMARY: {
561 JSObject::SetProperty(
562 resolved, factory->NewStringFromStaticChars("strength"),
563 factory->NewStringFromStaticChars("primary"), SLOPPY).Assert();
564
565 // case level: true + s1 -> case, s1 -> base.
566 if (UCOL_ON == collator->getAttribute(UCOL_CASE_LEVEL, status)) {
567 JSObject::SetProperty(
568 resolved, factory->NewStringFromStaticChars("sensitivity"),
569 factory->NewStringFromStaticChars("case"), SLOPPY).Assert();
570 } else {
571 JSObject::SetProperty(
572 resolved, factory->NewStringFromStaticChars("sensitivity"),
573 factory->NewStringFromStaticChars("base"), SLOPPY).Assert();
574 }
575 break;
576 }
577 case UCOL_SECONDARY:
578 JSObject::SetProperty(
579 resolved, factory->NewStringFromStaticChars("strength"),
580 factory->NewStringFromStaticChars("secondary"), SLOPPY).Assert();
581 JSObject::SetProperty(
582 resolved, factory->NewStringFromStaticChars("sensitivity"),
583 factory->NewStringFromStaticChars("accent"), SLOPPY).Assert();
584 break;
585 case UCOL_TERTIARY:
586 JSObject::SetProperty(
587 resolved, factory->NewStringFromStaticChars("strength"),
588 factory->NewStringFromStaticChars("tertiary"), SLOPPY).Assert();
589 JSObject::SetProperty(
590 resolved, factory->NewStringFromStaticChars("sensitivity"),
591 factory->NewStringFromStaticChars("variant"), SLOPPY).Assert();
592 break;
593 case UCOL_QUATERNARY:
594 // We shouldn't get quaternary and identical from ICU, but if we do
595 // put them into variant.
596 JSObject::SetProperty(
597 resolved, factory->NewStringFromStaticChars("strength"),
598 factory->NewStringFromStaticChars("quaternary"), SLOPPY).Assert();
599 JSObject::SetProperty(
600 resolved, factory->NewStringFromStaticChars("sensitivity"),
601 factory->NewStringFromStaticChars("variant"), SLOPPY).Assert();
602 break;
603 default:
604 JSObject::SetProperty(
605 resolved, factory->NewStringFromStaticChars("strength"),
606 factory->NewStringFromStaticChars("identical"), SLOPPY).Assert();
607 JSObject::SetProperty(
608 resolved, factory->NewStringFromStaticChars("sensitivity"),
609 factory->NewStringFromStaticChars("variant"), SLOPPY).Assert();
610 }
611
612 JSObject::SetProperty(
613 resolved, factory->NewStringFromStaticChars("ignorePunctuation"),
614 factory->ToBoolean(collator->getAttribute(UCOL_ALTERNATE_HANDLING,
615 status) == UCOL_SHIFTED),
616 SLOPPY).Assert();
617
618 // Set the locale
619 char result[ULOC_FULLNAME_CAPACITY];
620 status = U_ZERO_ERROR;
621 uloc_toLanguageTag(
622 icu_locale.getName(), result, ULOC_FULLNAME_CAPACITY, FALSE, &status);
623 if (U_SUCCESS(status)) {
624 JSObject::SetProperty(resolved, factory->NewStringFromStaticChars("locale"),
625 factory->NewStringFromAsciiChecked(result),
626 SLOPPY).Assert();
627 } else {
628 // This would never happen, since we got the locale from ICU.
629 JSObject::SetProperty(resolved, factory->NewStringFromStaticChars("locale"),
630 factory->NewStringFromStaticChars("und"),
631 SLOPPY).Assert();
632 }
633 }
634
635
CreateICUBreakIterator(Isolate * isolate,const icu::Locale & icu_locale,Handle<JSObject> options)636 icu::BreakIterator* CreateICUBreakIterator(
637 Isolate* isolate,
638 const icu::Locale& icu_locale,
639 Handle<JSObject> options) {
640 UErrorCode status = U_ZERO_ERROR;
641 icu::BreakIterator* break_iterator = NULL;
642 icu::UnicodeString type;
643 if (!ExtractStringSetting(isolate, options, "type", &type)) return NULL;
644
645 if (type == UNICODE_STRING_SIMPLE("character")) {
646 break_iterator =
647 icu::BreakIterator::createCharacterInstance(icu_locale, status);
648 } else if (type == UNICODE_STRING_SIMPLE("sentence")) {
649 break_iterator =
650 icu::BreakIterator::createSentenceInstance(icu_locale, status);
651 } else if (type == UNICODE_STRING_SIMPLE("line")) {
652 break_iterator =
653 icu::BreakIterator::createLineInstance(icu_locale, status);
654 } else {
655 // Defualt is word iterator.
656 break_iterator =
657 icu::BreakIterator::createWordInstance(icu_locale, status);
658 }
659
660 if (U_FAILURE(status)) {
661 delete break_iterator;
662 return NULL;
663 }
664
665 isolate->CountUsage(v8::Isolate::UseCounterFeature::kBreakIterator);
666
667 return break_iterator;
668 }
669
670
SetResolvedBreakIteratorSettings(Isolate * isolate,const icu::Locale & icu_locale,icu::BreakIterator * break_iterator,Handle<JSObject> resolved)671 void SetResolvedBreakIteratorSettings(Isolate* isolate,
672 const icu::Locale& icu_locale,
673 icu::BreakIterator* break_iterator,
674 Handle<JSObject> resolved) {
675 Factory* factory = isolate->factory();
676 UErrorCode status = U_ZERO_ERROR;
677
678 // Set the locale
679 char result[ULOC_FULLNAME_CAPACITY];
680 status = U_ZERO_ERROR;
681 uloc_toLanguageTag(
682 icu_locale.getName(), result, ULOC_FULLNAME_CAPACITY, FALSE, &status);
683 if (U_SUCCESS(status)) {
684 JSObject::SetProperty(resolved, factory->NewStringFromStaticChars("locale"),
685 factory->NewStringFromAsciiChecked(result),
686 SLOPPY).Assert();
687 } else {
688 // This would never happen, since we got the locale from ICU.
689 JSObject::SetProperty(resolved, factory->NewStringFromStaticChars("locale"),
690 factory->NewStringFromStaticChars("und"),
691 SLOPPY).Assert();
692 }
693 }
694
695 } // namespace
696
697
698 // static
InitializeDateTimeFormat(Isolate * isolate,Handle<String> locale,Handle<JSObject> options,Handle<JSObject> resolved)699 icu::SimpleDateFormat* DateFormat::InitializeDateTimeFormat(
700 Isolate* isolate,
701 Handle<String> locale,
702 Handle<JSObject> options,
703 Handle<JSObject> resolved) {
704 // Convert BCP47 into ICU locale format.
705 UErrorCode status = U_ZERO_ERROR;
706 icu::Locale icu_locale;
707 char icu_result[ULOC_FULLNAME_CAPACITY];
708 int icu_length = 0;
709 v8::String::Utf8Value bcp47_locale(v8::Utils::ToLocal(locale));
710 if (bcp47_locale.length() != 0) {
711 uloc_forLanguageTag(*bcp47_locale, icu_result, ULOC_FULLNAME_CAPACITY,
712 &icu_length, &status);
713 if (U_FAILURE(status) || icu_length == 0) {
714 return NULL;
715 }
716 icu_locale = icu::Locale(icu_result);
717 }
718
719 icu::SimpleDateFormat* date_format = CreateICUDateFormat(
720 isolate, icu_locale, options);
721 if (!date_format) {
722 // Remove extensions and try again.
723 icu::Locale no_extension_locale(icu_locale.getBaseName());
724 date_format = CreateICUDateFormat(isolate, no_extension_locale, options);
725
726 if (!date_format) {
727 FATAL("Failed to create ICU date format, are ICU data files missing?");
728 }
729
730 // Set resolved settings (pattern, numbering system, calendar).
731 SetResolvedDateSettings(
732 isolate, no_extension_locale, date_format, resolved);
733 } else {
734 SetResolvedDateSettings(isolate, icu_locale, date_format, resolved);
735 }
736
737 return date_format;
738 }
739
740
UnpackDateFormat(Isolate * isolate,Handle<JSObject> obj)741 icu::SimpleDateFormat* DateFormat::UnpackDateFormat(
742 Isolate* isolate,
743 Handle<JSObject> obj) {
744 return reinterpret_cast<icu::SimpleDateFormat*>(obj->GetInternalField(0));
745 }
746
DeleteDateFormat(const v8::WeakCallbackInfo<void> & data)747 void DateFormat::DeleteDateFormat(const v8::WeakCallbackInfo<void>& data) {
748 delete reinterpret_cast<icu::SimpleDateFormat*>(data.GetInternalField(0));
749 GlobalHandles::Destroy(reinterpret_cast<Object**>(data.GetParameter()));
750 }
751
752
InitializeNumberFormat(Isolate * isolate,Handle<String> locale,Handle<JSObject> options,Handle<JSObject> resolved)753 icu::DecimalFormat* NumberFormat::InitializeNumberFormat(
754 Isolate* isolate,
755 Handle<String> locale,
756 Handle<JSObject> options,
757 Handle<JSObject> resolved) {
758 // Convert BCP47 into ICU locale format.
759 UErrorCode status = U_ZERO_ERROR;
760 icu::Locale icu_locale;
761 char icu_result[ULOC_FULLNAME_CAPACITY];
762 int icu_length = 0;
763 v8::String::Utf8Value bcp47_locale(v8::Utils::ToLocal(locale));
764 if (bcp47_locale.length() != 0) {
765 uloc_forLanguageTag(*bcp47_locale, icu_result, ULOC_FULLNAME_CAPACITY,
766 &icu_length, &status);
767 if (U_FAILURE(status) || icu_length == 0) {
768 return NULL;
769 }
770 icu_locale = icu::Locale(icu_result);
771 }
772
773 icu::DecimalFormat* number_format =
774 CreateICUNumberFormat(isolate, icu_locale, options);
775 if (!number_format) {
776 // Remove extensions and try again.
777 icu::Locale no_extension_locale(icu_locale.getBaseName());
778 number_format = CreateICUNumberFormat(
779 isolate, no_extension_locale, options);
780
781 if (!number_format) {
782 FATAL("Failed to create ICU number format, are ICU data files missing?");
783 }
784
785 // Set resolved settings (pattern, numbering system).
786 SetResolvedNumberSettings(
787 isolate, no_extension_locale, number_format, resolved);
788 } else {
789 SetResolvedNumberSettings(isolate, icu_locale, number_format, resolved);
790 }
791
792 return number_format;
793 }
794
795
UnpackNumberFormat(Isolate * isolate,Handle<JSObject> obj)796 icu::DecimalFormat* NumberFormat::UnpackNumberFormat(
797 Isolate* isolate,
798 Handle<JSObject> obj) {
799 return reinterpret_cast<icu::DecimalFormat*>(obj->GetInternalField(0));
800 }
801
DeleteNumberFormat(const v8::WeakCallbackInfo<void> & data)802 void NumberFormat::DeleteNumberFormat(const v8::WeakCallbackInfo<void>& data) {
803 delete reinterpret_cast<icu::DecimalFormat*>(data.GetInternalField(0));
804 GlobalHandles::Destroy(reinterpret_cast<Object**>(data.GetParameter()));
805 }
806
807
InitializeCollator(Isolate * isolate,Handle<String> locale,Handle<JSObject> options,Handle<JSObject> resolved)808 icu::Collator* Collator::InitializeCollator(
809 Isolate* isolate,
810 Handle<String> locale,
811 Handle<JSObject> options,
812 Handle<JSObject> resolved) {
813 // Convert BCP47 into ICU locale format.
814 UErrorCode status = U_ZERO_ERROR;
815 icu::Locale icu_locale;
816 char icu_result[ULOC_FULLNAME_CAPACITY];
817 int icu_length = 0;
818 v8::String::Utf8Value bcp47_locale(v8::Utils::ToLocal(locale));
819 if (bcp47_locale.length() != 0) {
820 uloc_forLanguageTag(*bcp47_locale, icu_result, ULOC_FULLNAME_CAPACITY,
821 &icu_length, &status);
822 if (U_FAILURE(status) || icu_length == 0) {
823 return NULL;
824 }
825 icu_locale = icu::Locale(icu_result);
826 }
827
828 icu::Collator* collator = CreateICUCollator(isolate, icu_locale, options);
829 if (!collator) {
830 // Remove extensions and try again.
831 icu::Locale no_extension_locale(icu_locale.getBaseName());
832 collator = CreateICUCollator(isolate, no_extension_locale, options);
833
834 if (!collator) {
835 FATAL("Failed to create ICU collator, are ICU data files missing?");
836 }
837
838 // Set resolved settings (pattern, numbering system).
839 SetResolvedCollatorSettings(
840 isolate, no_extension_locale, collator, resolved);
841 } else {
842 SetResolvedCollatorSettings(isolate, icu_locale, collator, resolved);
843 }
844
845 return collator;
846 }
847
848
UnpackCollator(Isolate * isolate,Handle<JSObject> obj)849 icu::Collator* Collator::UnpackCollator(Isolate* isolate,
850 Handle<JSObject> obj) {
851 return reinterpret_cast<icu::Collator*>(obj->GetInternalField(0));
852 }
853
DeleteCollator(const v8::WeakCallbackInfo<void> & data)854 void Collator::DeleteCollator(const v8::WeakCallbackInfo<void>& data) {
855 delete reinterpret_cast<icu::Collator*>(data.GetInternalField(0));
856 GlobalHandles::Destroy(reinterpret_cast<Object**>(data.GetParameter()));
857 }
858
InitializeBreakIterator(Isolate * isolate,Handle<String> locale,Handle<JSObject> options,Handle<JSObject> resolved)859 icu::BreakIterator* V8BreakIterator::InitializeBreakIterator(
860 Isolate* isolate, Handle<String> locale, Handle<JSObject> options,
861 Handle<JSObject> resolved) {
862 // Convert BCP47 into ICU locale format.
863 UErrorCode status = U_ZERO_ERROR;
864 icu::Locale icu_locale;
865 char icu_result[ULOC_FULLNAME_CAPACITY];
866 int icu_length = 0;
867 v8::String::Utf8Value bcp47_locale(v8::Utils::ToLocal(locale));
868 if (bcp47_locale.length() != 0) {
869 uloc_forLanguageTag(*bcp47_locale, icu_result, ULOC_FULLNAME_CAPACITY,
870 &icu_length, &status);
871 if (U_FAILURE(status) || icu_length == 0) {
872 return NULL;
873 }
874 icu_locale = icu::Locale(icu_result);
875 }
876
877 icu::BreakIterator* break_iterator = CreateICUBreakIterator(
878 isolate, icu_locale, options);
879 if (!break_iterator) {
880 // Remove extensions and try again.
881 icu::Locale no_extension_locale(icu_locale.getBaseName());
882 break_iterator = CreateICUBreakIterator(
883 isolate, no_extension_locale, options);
884
885 if (!break_iterator) {
886 FATAL("Failed to create ICU break iterator, are ICU data files missing?");
887 }
888
889 // Set resolved settings (locale).
890 SetResolvedBreakIteratorSettings(
891 isolate, no_extension_locale, break_iterator, resolved);
892 } else {
893 SetResolvedBreakIteratorSettings(
894 isolate, icu_locale, break_iterator, resolved);
895 }
896
897 return break_iterator;
898 }
899
UnpackBreakIterator(Isolate * isolate,Handle<JSObject> obj)900 icu::BreakIterator* V8BreakIterator::UnpackBreakIterator(Isolate* isolate,
901 Handle<JSObject> obj) {
902 return reinterpret_cast<icu::BreakIterator*>(obj->GetInternalField(0));
903 }
904
DeleteBreakIterator(const v8::WeakCallbackInfo<void> & data)905 void V8BreakIterator::DeleteBreakIterator(
906 const v8::WeakCallbackInfo<void>& data) {
907 delete reinterpret_cast<icu::BreakIterator*>(data.GetInternalField(0));
908 delete reinterpret_cast<icu::UnicodeString*>(data.GetInternalField(1));
909 GlobalHandles::Destroy(reinterpret_cast<Object**>(data.GetParameter()));
910 }
911
912 } // namespace internal
913 } // namespace v8
914