Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 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 "unicode/brkiter.h" |
| 9 | #include "unicode/calendar.h" |
| 10 | #include "unicode/coll.h" |
| 11 | #include "unicode/curramt.h" |
| 12 | #include "unicode/dcfmtsym.h" |
| 13 | #include "unicode/decimfmt.h" |
| 14 | #include "unicode/dtfmtsym.h" |
| 15 | #include "unicode/dtptngen.h" |
| 16 | #include "unicode/locid.h" |
| 17 | #include "unicode/numfmt.h" |
| 18 | #include "unicode/numsys.h" |
| 19 | #include "unicode/rbbi.h" |
| 20 | #include "unicode/smpdtfmt.h" |
| 21 | #include "unicode/timezone.h" |
| 22 | #include "unicode/uchar.h" |
| 23 | #include "unicode/ucol.h" |
| 24 | #include "unicode/ucurr.h" |
| 25 | #include "unicode/unum.h" |
| 26 | #include "unicode/uversion.h" |
| 27 | |
| 28 | namespace v8 { |
| 29 | namespace internal { |
| 30 | |
| 31 | namespace { |
| 32 | |
| 33 | bool ExtractStringSetting(Isolate* isolate, |
| 34 | Handle<JSObject> options, |
| 35 | const char* key, |
| 36 | icu::UnicodeString* setting) { |
| 37 | Handle<String> str = isolate->factory()->NewStringFromAsciiChecked(key); |
| 38 | Handle<Object> object = Object::GetProperty(options, str).ToHandleChecked(); |
| 39 | if (object->IsString()) { |
| 40 | v8::String::Utf8Value utf8_string( |
| 41 | v8::Utils::ToLocal(Handle<String>::cast(object))); |
| 42 | *setting = icu::UnicodeString::fromUTF8(*utf8_string); |
| 43 | return true; |
| 44 | } |
| 45 | return false; |
| 46 | } |
| 47 | |
| 48 | |
| 49 | bool ExtractIntegerSetting(Isolate* isolate, |
| 50 | Handle<JSObject> options, |
| 51 | const char* key, |
| 52 | int32_t* value) { |
| 53 | Handle<String> str = isolate->factory()->NewStringFromAsciiChecked(key); |
| 54 | Handle<Object> object = Object::GetProperty(options, str).ToHandleChecked(); |
| 55 | if (object->IsNumber()) { |
| 56 | object->ToInt32(value); |
| 57 | return true; |
| 58 | } |
| 59 | return false; |
| 60 | } |
| 61 | |
| 62 | |
| 63 | bool ExtractBooleanSetting(Isolate* isolate, |
| 64 | Handle<JSObject> options, |
| 65 | const char* key, |
| 66 | bool* value) { |
| 67 | Handle<String> str = isolate->factory()->NewStringFromAsciiChecked(key); |
| 68 | Handle<Object> object = Object::GetProperty(options, str).ToHandleChecked(); |
| 69 | if (object->IsBoolean()) { |
| 70 | *value = object->BooleanValue(); |
| 71 | return true; |
| 72 | } |
| 73 | return false; |
| 74 | } |
| 75 | |
| 76 | |
| 77 | icu::SimpleDateFormat* CreateICUDateFormat( |
| 78 | Isolate* isolate, |
| 79 | const icu::Locale& icu_locale, |
| 80 | Handle<JSObject> options) { |
| 81 | // Create time zone as specified by the user. We have to re-create time zone |
| 82 | // since calendar takes ownership. |
| 83 | icu::TimeZone* tz = NULL; |
| 84 | icu::UnicodeString timezone; |
| 85 | if (ExtractStringSetting(isolate, options, "timeZone", &timezone)) { |
| 86 | tz = icu::TimeZone::createTimeZone(timezone); |
| 87 | } else { |
| 88 | tz = icu::TimeZone::createDefault(); |
| 89 | } |
| 90 | |
| 91 | // Create a calendar using locale, and apply time zone to it. |
| 92 | UErrorCode status = U_ZERO_ERROR; |
| 93 | icu::Calendar* calendar = |
| 94 | icu::Calendar::createInstance(tz, icu_locale, status); |
| 95 | |
| 96 | // Make formatter from skeleton. Calendar and numbering system are added |
| 97 | // to the locale as Unicode extension (if they were specified at all). |
| 98 | icu::SimpleDateFormat* date_format = NULL; |
| 99 | icu::UnicodeString skeleton; |
| 100 | if (ExtractStringSetting(isolate, options, "skeleton", &skeleton)) { |
| 101 | icu::DateTimePatternGenerator* generator = |
| 102 | icu::DateTimePatternGenerator::createInstance(icu_locale, status); |
| 103 | icu::UnicodeString pattern; |
| 104 | if (U_SUCCESS(status)) { |
| 105 | pattern = generator->getBestPattern(skeleton, status); |
| 106 | delete generator; |
| 107 | } |
| 108 | |
| 109 | date_format = new icu::SimpleDateFormat(pattern, icu_locale, status); |
| 110 | if (U_SUCCESS(status)) { |
| 111 | date_format->adoptCalendar(calendar); |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | if (U_FAILURE(status)) { |
| 116 | delete calendar; |
| 117 | delete date_format; |
| 118 | date_format = NULL; |
| 119 | } |
| 120 | |
| 121 | return date_format; |
| 122 | } |
| 123 | |
| 124 | |
| 125 | void SetResolvedDateSettings(Isolate* isolate, |
| 126 | const icu::Locale& icu_locale, |
| 127 | icu::SimpleDateFormat* date_format, |
| 128 | Handle<JSObject> resolved) { |
| 129 | Factory* factory = isolate->factory(); |
| 130 | UErrorCode status = U_ZERO_ERROR; |
| 131 | icu::UnicodeString pattern; |
| 132 | date_format->toPattern(pattern); |
| 133 | JSObject::SetProperty( |
| 134 | resolved, factory->NewStringFromStaticChars("pattern"), |
| 135 | factory->NewStringFromTwoByte( |
| 136 | Vector<const uint16_t>( |
| 137 | reinterpret_cast<const uint16_t*>(pattern.getBuffer()), |
| 138 | pattern.length())).ToHandleChecked(), |
| 139 | SLOPPY).Assert(); |
| 140 | |
| 141 | // Set time zone and calendar. |
| 142 | const icu::Calendar* calendar = date_format->getCalendar(); |
| 143 | const char* calendar_name = calendar->getType(); |
| 144 | JSObject::SetProperty(resolved, factory->NewStringFromStaticChars("calendar"), |
| 145 | factory->NewStringFromAsciiChecked(calendar_name), |
| 146 | SLOPPY).Assert(); |
| 147 | |
| 148 | const icu::TimeZone& tz = calendar->getTimeZone(); |
| 149 | icu::UnicodeString time_zone; |
| 150 | tz.getID(time_zone); |
| 151 | |
| 152 | icu::UnicodeString canonical_time_zone; |
| 153 | icu::TimeZone::getCanonicalID(time_zone, canonical_time_zone, status); |
| 154 | if (U_SUCCESS(status)) { |
| 155 | if (canonical_time_zone == UNICODE_STRING_SIMPLE("Etc/GMT")) { |
| 156 | JSObject::SetProperty( |
| 157 | resolved, factory->NewStringFromStaticChars("timeZone"), |
| 158 | factory->NewStringFromStaticChars("UTC"), SLOPPY).Assert(); |
| 159 | } else { |
| 160 | JSObject::SetProperty( |
| 161 | resolved, factory->NewStringFromStaticChars("timeZone"), |
| 162 | factory->NewStringFromTwoByte( |
| 163 | Vector<const uint16_t>( |
| 164 | reinterpret_cast<const uint16_t*>( |
| 165 | canonical_time_zone.getBuffer()), |
| 166 | canonical_time_zone.length())).ToHandleChecked(), |
| 167 | SLOPPY).Assert(); |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | // Ugly hack. ICU doesn't expose numbering system in any way, so we have |
| 172 | // to assume that for given locale NumberingSystem constructor produces the |
| 173 | // same digits as NumberFormat/Calendar would. |
| 174 | status = U_ZERO_ERROR; |
| 175 | icu::NumberingSystem* numbering_system = |
| 176 | icu::NumberingSystem::createInstance(icu_locale, status); |
| 177 | if (U_SUCCESS(status)) { |
| 178 | const char* ns = numbering_system->getName(); |
| 179 | JSObject::SetProperty( |
| 180 | resolved, factory->NewStringFromStaticChars("numberingSystem"), |
| 181 | factory->NewStringFromAsciiChecked(ns), SLOPPY).Assert(); |
| 182 | } else { |
| 183 | JSObject::SetProperty(resolved, |
| 184 | factory->NewStringFromStaticChars("numberingSystem"), |
| 185 | factory->undefined_value(), SLOPPY).Assert(); |
| 186 | } |
| 187 | delete numbering_system; |
| 188 | |
| 189 | // Set the locale |
| 190 | char result[ULOC_FULLNAME_CAPACITY]; |
| 191 | status = U_ZERO_ERROR; |
| 192 | uloc_toLanguageTag( |
| 193 | icu_locale.getName(), result, ULOC_FULLNAME_CAPACITY, FALSE, &status); |
| 194 | if (U_SUCCESS(status)) { |
| 195 | JSObject::SetProperty(resolved, factory->NewStringFromStaticChars("locale"), |
| 196 | factory->NewStringFromAsciiChecked(result), |
| 197 | SLOPPY).Assert(); |
| 198 | } else { |
| 199 | // This would never happen, since we got the locale from ICU. |
| 200 | JSObject::SetProperty(resolved, factory->NewStringFromStaticChars("locale"), |
| 201 | factory->NewStringFromStaticChars("und"), |
| 202 | SLOPPY).Assert(); |
| 203 | } |
| 204 | } |
| 205 | |
| 206 | |
| 207 | template<int internal_fields, EternalHandles::SingletonHandle field> |
| 208 | Handle<ObjectTemplateInfo> GetEternal(Isolate* isolate) { |
| 209 | if (isolate->eternal_handles()->Exists(field)) { |
| 210 | return Handle<ObjectTemplateInfo>::cast( |
| 211 | isolate->eternal_handles()->GetSingleton(field)); |
| 212 | } |
| 213 | v8::Local<v8::ObjectTemplate> raw_template = |
| 214 | v8::ObjectTemplate::New(reinterpret_cast<v8::Isolate*>(isolate)); |
| 215 | raw_template->SetInternalFieldCount(internal_fields); |
| 216 | return Handle<ObjectTemplateInfo>::cast( |
| 217 | isolate->eternal_handles()->CreateSingleton( |
| 218 | isolate, |
| 219 | *v8::Utils::OpenHandle(*raw_template), |
| 220 | field)); |
| 221 | } |
| 222 | |
| 223 | |
| 224 | icu::DecimalFormat* CreateICUNumberFormat( |
| 225 | Isolate* isolate, |
| 226 | const icu::Locale& icu_locale, |
| 227 | Handle<JSObject> options) { |
| 228 | // Make formatter from options. Numbering system is added |
| 229 | // to the locale as Unicode extension (if it was specified at all). |
| 230 | UErrorCode status = U_ZERO_ERROR; |
| 231 | icu::DecimalFormat* number_format = NULL; |
| 232 | icu::UnicodeString style; |
| 233 | icu::UnicodeString currency; |
| 234 | if (ExtractStringSetting(isolate, options, "style", &style)) { |
| 235 | if (style == UNICODE_STRING_SIMPLE("currency")) { |
| 236 | icu::UnicodeString display; |
| 237 | ExtractStringSetting(isolate, options, "currency", ¤cy); |
| 238 | ExtractStringSetting(isolate, options, "currencyDisplay", &display); |
| 239 | |
| 240 | #if (U_ICU_VERSION_MAJOR_NUM == 4) && (U_ICU_VERSION_MINOR_NUM <= 6) |
| 241 | icu::NumberFormat::EStyles format_style; |
| 242 | if (display == UNICODE_STRING_SIMPLE("code")) { |
| 243 | format_style = icu::NumberFormat::kIsoCurrencyStyle; |
| 244 | } else if (display == UNICODE_STRING_SIMPLE("name")) { |
| 245 | format_style = icu::NumberFormat::kPluralCurrencyStyle; |
| 246 | } else { |
| 247 | format_style = icu::NumberFormat::kCurrencyStyle; |
| 248 | } |
| 249 | #else // ICU version is 4.8 or above (we ignore versions below 4.0). |
| 250 | UNumberFormatStyle format_style; |
| 251 | if (display == UNICODE_STRING_SIMPLE("code")) { |
| 252 | format_style = UNUM_CURRENCY_ISO; |
| 253 | } else if (display == UNICODE_STRING_SIMPLE("name")) { |
| 254 | format_style = UNUM_CURRENCY_PLURAL; |
| 255 | } else { |
| 256 | format_style = UNUM_CURRENCY; |
| 257 | } |
| 258 | #endif |
| 259 | |
| 260 | number_format = static_cast<icu::DecimalFormat*>( |
| 261 | icu::NumberFormat::createInstance(icu_locale, format_style, status)); |
| 262 | } else if (style == UNICODE_STRING_SIMPLE("percent")) { |
| 263 | number_format = static_cast<icu::DecimalFormat*>( |
| 264 | icu::NumberFormat::createPercentInstance(icu_locale, status)); |
| 265 | if (U_FAILURE(status)) { |
| 266 | delete number_format; |
| 267 | return NULL; |
| 268 | } |
| 269 | // Make sure 1.1% doesn't go into 2%. |
| 270 | number_format->setMinimumFractionDigits(1); |
| 271 | } else { |
| 272 | // Make a decimal instance by default. |
| 273 | number_format = static_cast<icu::DecimalFormat*>( |
| 274 | icu::NumberFormat::createInstance(icu_locale, status)); |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | if (U_FAILURE(status)) { |
| 279 | delete number_format; |
| 280 | return NULL; |
| 281 | } |
| 282 | |
| 283 | // Set all options. |
| 284 | if (!currency.isEmpty()) { |
| 285 | number_format->setCurrency(currency.getBuffer(), status); |
| 286 | } |
| 287 | |
| 288 | int32_t digits; |
| 289 | if (ExtractIntegerSetting( |
| 290 | isolate, options, "minimumIntegerDigits", &digits)) { |
| 291 | number_format->setMinimumIntegerDigits(digits); |
| 292 | } |
| 293 | |
| 294 | if (ExtractIntegerSetting( |
| 295 | isolate, options, "minimumFractionDigits", &digits)) { |
| 296 | number_format->setMinimumFractionDigits(digits); |
| 297 | } |
| 298 | |
| 299 | if (ExtractIntegerSetting( |
| 300 | isolate, options, "maximumFractionDigits", &digits)) { |
| 301 | number_format->setMaximumFractionDigits(digits); |
| 302 | } |
| 303 | |
| 304 | bool significant_digits_used = false; |
| 305 | if (ExtractIntegerSetting( |
| 306 | isolate, options, "minimumSignificantDigits", &digits)) { |
| 307 | number_format->setMinimumSignificantDigits(digits); |
| 308 | significant_digits_used = true; |
| 309 | } |
| 310 | |
| 311 | if (ExtractIntegerSetting( |
| 312 | isolate, options, "maximumSignificantDigits", &digits)) { |
| 313 | number_format->setMaximumSignificantDigits(digits); |
| 314 | significant_digits_used = true; |
| 315 | } |
| 316 | |
| 317 | number_format->setSignificantDigitsUsed(significant_digits_used); |
| 318 | |
| 319 | bool grouping; |
| 320 | if (ExtractBooleanSetting(isolate, options, "useGrouping", &grouping)) { |
| 321 | number_format->setGroupingUsed(grouping); |
| 322 | } |
| 323 | |
| 324 | // Set rounding mode. |
| 325 | number_format->setRoundingMode(icu::DecimalFormat::kRoundHalfUp); |
| 326 | |
| 327 | return number_format; |
| 328 | } |
| 329 | |
| 330 | |
| 331 | void SetResolvedNumberSettings(Isolate* isolate, |
| 332 | const icu::Locale& icu_locale, |
| 333 | icu::DecimalFormat* number_format, |
| 334 | Handle<JSObject> resolved) { |
| 335 | Factory* factory = isolate->factory(); |
| 336 | icu::UnicodeString pattern; |
| 337 | number_format->toPattern(pattern); |
| 338 | JSObject::SetProperty( |
| 339 | resolved, factory->NewStringFromStaticChars("pattern"), |
| 340 | factory->NewStringFromTwoByte( |
| 341 | Vector<const uint16_t>( |
| 342 | reinterpret_cast<const uint16_t*>(pattern.getBuffer()), |
| 343 | pattern.length())).ToHandleChecked(), |
| 344 | SLOPPY).Assert(); |
| 345 | |
| 346 | // Set resolved currency code in options.currency if not empty. |
| 347 | icu::UnicodeString currency(number_format->getCurrency()); |
| 348 | if (!currency.isEmpty()) { |
| 349 | JSObject::SetProperty( |
| 350 | resolved, factory->NewStringFromStaticChars("currency"), |
| 351 | factory->NewStringFromTwoByte(Vector<const uint16_t>( |
| 352 | reinterpret_cast<const uint16_t*>( |
| 353 | currency.getBuffer()), |
| 354 | currency.length())).ToHandleChecked(), |
| 355 | SLOPPY).Assert(); |
| 356 | } |
| 357 | |
| 358 | // Ugly hack. ICU doesn't expose numbering system in any way, so we have |
| 359 | // to assume that for given locale NumberingSystem constructor produces the |
| 360 | // same digits as NumberFormat/Calendar would. |
| 361 | UErrorCode status = U_ZERO_ERROR; |
| 362 | icu::NumberingSystem* numbering_system = |
| 363 | icu::NumberingSystem::createInstance(icu_locale, status); |
| 364 | if (U_SUCCESS(status)) { |
| 365 | const char* ns = numbering_system->getName(); |
| 366 | JSObject::SetProperty( |
| 367 | resolved, factory->NewStringFromStaticChars("numberingSystem"), |
| 368 | factory->NewStringFromAsciiChecked(ns), SLOPPY).Assert(); |
| 369 | } else { |
| 370 | JSObject::SetProperty(resolved, |
| 371 | factory->NewStringFromStaticChars("numberingSystem"), |
| 372 | factory->undefined_value(), SLOPPY).Assert(); |
| 373 | } |
| 374 | delete numbering_system; |
| 375 | |
| 376 | JSObject::SetProperty( |
| 377 | resolved, factory->NewStringFromStaticChars("useGrouping"), |
| 378 | factory->ToBoolean(number_format->isGroupingUsed()), SLOPPY).Assert(); |
| 379 | |
| 380 | JSObject::SetProperty( |
| 381 | resolved, factory->NewStringFromStaticChars("minimumIntegerDigits"), |
| 382 | factory->NewNumberFromInt(number_format->getMinimumIntegerDigits()), |
| 383 | SLOPPY).Assert(); |
| 384 | |
| 385 | JSObject::SetProperty( |
| 386 | resolved, factory->NewStringFromStaticChars("minimumFractionDigits"), |
| 387 | factory->NewNumberFromInt(number_format->getMinimumFractionDigits()), |
| 388 | SLOPPY).Assert(); |
| 389 | |
| 390 | JSObject::SetProperty( |
| 391 | resolved, factory->NewStringFromStaticChars("maximumFractionDigits"), |
| 392 | factory->NewNumberFromInt(number_format->getMaximumFractionDigits()), |
| 393 | SLOPPY).Assert(); |
| 394 | |
| 395 | Handle<String> key = |
| 396 | factory->NewStringFromStaticChars("minimumSignificantDigits"); |
| 397 | Maybe<bool> maybe = JSReceiver::HasOwnProperty(resolved, key); |
| 398 | CHECK(maybe.has_value); |
| 399 | if (maybe.value) { |
| 400 | JSObject::SetProperty( |
| 401 | resolved, factory->NewStringFromStaticChars("minimumSignificantDigits"), |
| 402 | factory->NewNumberFromInt(number_format->getMinimumSignificantDigits()), |
| 403 | SLOPPY).Assert(); |
| 404 | } |
| 405 | |
| 406 | key = factory->NewStringFromStaticChars("maximumSignificantDigits"); |
| 407 | maybe = JSReceiver::HasOwnProperty(resolved, key); |
| 408 | CHECK(maybe.has_value); |
| 409 | if (maybe.value) { |
| 410 | JSObject::SetProperty( |
| 411 | resolved, factory->NewStringFromStaticChars("maximumSignificantDigits"), |
| 412 | factory->NewNumberFromInt(number_format->getMaximumSignificantDigits()), |
| 413 | SLOPPY).Assert(); |
| 414 | } |
| 415 | |
| 416 | // Set the locale |
| 417 | char result[ULOC_FULLNAME_CAPACITY]; |
| 418 | status = U_ZERO_ERROR; |
| 419 | uloc_toLanguageTag( |
| 420 | icu_locale.getName(), result, ULOC_FULLNAME_CAPACITY, FALSE, &status); |
| 421 | if (U_SUCCESS(status)) { |
| 422 | JSObject::SetProperty(resolved, factory->NewStringFromStaticChars("locale"), |
| 423 | factory->NewStringFromAsciiChecked(result), |
| 424 | SLOPPY).Assert(); |
| 425 | } else { |
| 426 | // This would never happen, since we got the locale from ICU. |
| 427 | JSObject::SetProperty(resolved, factory->NewStringFromStaticChars("locale"), |
| 428 | factory->NewStringFromStaticChars("und"), |
| 429 | SLOPPY).Assert(); |
| 430 | } |
| 431 | } |
| 432 | |
| 433 | |
| 434 | icu::Collator* CreateICUCollator( |
| 435 | Isolate* isolate, |
| 436 | const icu::Locale& icu_locale, |
| 437 | Handle<JSObject> options) { |
| 438 | // Make collator from options. |
| 439 | icu::Collator* collator = NULL; |
| 440 | UErrorCode status = U_ZERO_ERROR; |
| 441 | collator = icu::Collator::createInstance(icu_locale, status); |
| 442 | |
| 443 | if (U_FAILURE(status)) { |
| 444 | delete collator; |
| 445 | return NULL; |
| 446 | } |
| 447 | |
| 448 | // Set flags first, and then override them with sensitivity if necessary. |
| 449 | bool numeric; |
| 450 | if (ExtractBooleanSetting(isolate, options, "numeric", &numeric)) { |
| 451 | collator->setAttribute( |
| 452 | UCOL_NUMERIC_COLLATION, numeric ? UCOL_ON : UCOL_OFF, status); |
| 453 | } |
| 454 | |
| 455 | // Normalization is always on, by the spec. We are free to optimize |
| 456 | // if the strings are already normalized (but we don't have a way to tell |
| 457 | // that right now). |
| 458 | collator->setAttribute(UCOL_NORMALIZATION_MODE, UCOL_ON, status); |
| 459 | |
| 460 | icu::UnicodeString case_first; |
| 461 | if (ExtractStringSetting(isolate, options, "caseFirst", &case_first)) { |
| 462 | if (case_first == UNICODE_STRING_SIMPLE("upper")) { |
| 463 | collator->setAttribute(UCOL_CASE_FIRST, UCOL_UPPER_FIRST, status); |
| 464 | } else if (case_first == UNICODE_STRING_SIMPLE("lower")) { |
| 465 | collator->setAttribute(UCOL_CASE_FIRST, UCOL_LOWER_FIRST, status); |
| 466 | } else { |
| 467 | // Default (false/off). |
| 468 | collator->setAttribute(UCOL_CASE_FIRST, UCOL_OFF, status); |
| 469 | } |
| 470 | } |
| 471 | |
| 472 | icu::UnicodeString sensitivity; |
| 473 | if (ExtractStringSetting(isolate, options, "sensitivity", &sensitivity)) { |
| 474 | if (sensitivity == UNICODE_STRING_SIMPLE("base")) { |
| 475 | collator->setStrength(icu::Collator::PRIMARY); |
| 476 | } else if (sensitivity == UNICODE_STRING_SIMPLE("accent")) { |
| 477 | collator->setStrength(icu::Collator::SECONDARY); |
| 478 | } else if (sensitivity == UNICODE_STRING_SIMPLE("case")) { |
| 479 | collator->setStrength(icu::Collator::PRIMARY); |
| 480 | collator->setAttribute(UCOL_CASE_LEVEL, UCOL_ON, status); |
| 481 | } else { |
| 482 | // variant (default) |
| 483 | collator->setStrength(icu::Collator::TERTIARY); |
| 484 | } |
| 485 | } |
| 486 | |
| 487 | bool ignore; |
| 488 | if (ExtractBooleanSetting(isolate, options, "ignorePunctuation", &ignore)) { |
| 489 | if (ignore) { |
| 490 | collator->setAttribute(UCOL_ALTERNATE_HANDLING, UCOL_SHIFTED, status); |
| 491 | } |
| 492 | } |
| 493 | |
| 494 | return collator; |
| 495 | } |
| 496 | |
| 497 | |
| 498 | void SetResolvedCollatorSettings(Isolate* isolate, |
| 499 | const icu::Locale& icu_locale, |
| 500 | icu::Collator* collator, |
| 501 | Handle<JSObject> resolved) { |
| 502 | Factory* factory = isolate->factory(); |
| 503 | UErrorCode status = U_ZERO_ERROR; |
| 504 | |
| 505 | JSObject::SetProperty( |
| 506 | resolved, factory->NewStringFromStaticChars("numeric"), |
| 507 | factory->ToBoolean( |
| 508 | collator->getAttribute(UCOL_NUMERIC_COLLATION, status) == UCOL_ON), |
| 509 | SLOPPY).Assert(); |
| 510 | |
| 511 | switch (collator->getAttribute(UCOL_CASE_FIRST, status)) { |
| 512 | case UCOL_LOWER_FIRST: |
| 513 | JSObject::SetProperty( |
| 514 | resolved, factory->NewStringFromStaticChars("caseFirst"), |
| 515 | factory->NewStringFromStaticChars("lower"), SLOPPY).Assert(); |
| 516 | break; |
| 517 | case UCOL_UPPER_FIRST: |
| 518 | JSObject::SetProperty( |
| 519 | resolved, factory->NewStringFromStaticChars("caseFirst"), |
| 520 | factory->NewStringFromStaticChars("upper"), SLOPPY).Assert(); |
| 521 | break; |
| 522 | default: |
| 523 | JSObject::SetProperty( |
| 524 | resolved, factory->NewStringFromStaticChars("caseFirst"), |
| 525 | factory->NewStringFromStaticChars("false"), SLOPPY).Assert(); |
| 526 | } |
| 527 | |
| 528 | switch (collator->getAttribute(UCOL_STRENGTH, status)) { |
| 529 | case UCOL_PRIMARY: { |
| 530 | JSObject::SetProperty( |
| 531 | resolved, factory->NewStringFromStaticChars("strength"), |
| 532 | factory->NewStringFromStaticChars("primary"), SLOPPY).Assert(); |
| 533 | |
| 534 | // case level: true + s1 -> case, s1 -> base. |
| 535 | if (UCOL_ON == collator->getAttribute(UCOL_CASE_LEVEL, status)) { |
| 536 | JSObject::SetProperty( |
| 537 | resolved, factory->NewStringFromStaticChars("sensitivity"), |
| 538 | factory->NewStringFromStaticChars("case"), SLOPPY).Assert(); |
| 539 | } else { |
| 540 | JSObject::SetProperty( |
| 541 | resolved, factory->NewStringFromStaticChars("sensitivity"), |
| 542 | factory->NewStringFromStaticChars("base"), SLOPPY).Assert(); |
| 543 | } |
| 544 | break; |
| 545 | } |
| 546 | case UCOL_SECONDARY: |
| 547 | JSObject::SetProperty( |
| 548 | resolved, factory->NewStringFromStaticChars("strength"), |
| 549 | factory->NewStringFromStaticChars("secondary"), SLOPPY).Assert(); |
| 550 | JSObject::SetProperty( |
| 551 | resolved, factory->NewStringFromStaticChars("sensitivity"), |
| 552 | factory->NewStringFromStaticChars("accent"), SLOPPY).Assert(); |
| 553 | break; |
| 554 | case UCOL_TERTIARY: |
| 555 | JSObject::SetProperty( |
| 556 | resolved, factory->NewStringFromStaticChars("strength"), |
| 557 | factory->NewStringFromStaticChars("tertiary"), SLOPPY).Assert(); |
| 558 | JSObject::SetProperty( |
| 559 | resolved, factory->NewStringFromStaticChars("sensitivity"), |
| 560 | factory->NewStringFromStaticChars("variant"), SLOPPY).Assert(); |
| 561 | break; |
| 562 | case UCOL_QUATERNARY: |
| 563 | // We shouldn't get quaternary and identical from ICU, but if we do |
| 564 | // put them into variant. |
| 565 | JSObject::SetProperty( |
| 566 | resolved, factory->NewStringFromStaticChars("strength"), |
| 567 | factory->NewStringFromStaticChars("quaternary"), SLOPPY).Assert(); |
| 568 | JSObject::SetProperty( |
| 569 | resolved, factory->NewStringFromStaticChars("sensitivity"), |
| 570 | factory->NewStringFromStaticChars("variant"), SLOPPY).Assert(); |
| 571 | break; |
| 572 | default: |
| 573 | JSObject::SetProperty( |
| 574 | resolved, factory->NewStringFromStaticChars("strength"), |
| 575 | factory->NewStringFromStaticChars("identical"), SLOPPY).Assert(); |
| 576 | JSObject::SetProperty( |
| 577 | resolved, factory->NewStringFromStaticChars("sensitivity"), |
| 578 | factory->NewStringFromStaticChars("variant"), SLOPPY).Assert(); |
| 579 | } |
| 580 | |
| 581 | JSObject::SetProperty( |
| 582 | resolved, factory->NewStringFromStaticChars("ignorePunctuation"), |
| 583 | factory->ToBoolean(collator->getAttribute(UCOL_ALTERNATE_HANDLING, |
| 584 | status) == UCOL_SHIFTED), |
| 585 | SLOPPY).Assert(); |
| 586 | |
| 587 | // Set the locale |
| 588 | char result[ULOC_FULLNAME_CAPACITY]; |
| 589 | status = U_ZERO_ERROR; |
| 590 | uloc_toLanguageTag( |
| 591 | icu_locale.getName(), result, ULOC_FULLNAME_CAPACITY, FALSE, &status); |
| 592 | if (U_SUCCESS(status)) { |
| 593 | JSObject::SetProperty(resolved, factory->NewStringFromStaticChars("locale"), |
| 594 | factory->NewStringFromAsciiChecked(result), |
| 595 | SLOPPY).Assert(); |
| 596 | } else { |
| 597 | // This would never happen, since we got the locale from ICU. |
| 598 | JSObject::SetProperty(resolved, factory->NewStringFromStaticChars("locale"), |
| 599 | factory->NewStringFromStaticChars("und"), |
| 600 | SLOPPY).Assert(); |
| 601 | } |
| 602 | } |
| 603 | |
| 604 | |
| 605 | icu::BreakIterator* CreateICUBreakIterator( |
| 606 | Isolate* isolate, |
| 607 | const icu::Locale& icu_locale, |
| 608 | Handle<JSObject> options) { |
| 609 | UErrorCode status = U_ZERO_ERROR; |
| 610 | icu::BreakIterator* break_iterator = NULL; |
| 611 | icu::UnicodeString type; |
| 612 | if (!ExtractStringSetting(isolate, options, "type", &type)) return NULL; |
| 613 | |
| 614 | if (type == UNICODE_STRING_SIMPLE("character")) { |
| 615 | break_iterator = |
| 616 | icu::BreakIterator::createCharacterInstance(icu_locale, status); |
| 617 | } else if (type == UNICODE_STRING_SIMPLE("sentence")) { |
| 618 | break_iterator = |
| 619 | icu::BreakIterator::createSentenceInstance(icu_locale, status); |
| 620 | } else if (type == UNICODE_STRING_SIMPLE("line")) { |
| 621 | break_iterator = |
| 622 | icu::BreakIterator::createLineInstance(icu_locale, status); |
| 623 | } else { |
| 624 | // Defualt is word iterator. |
| 625 | break_iterator = |
| 626 | icu::BreakIterator::createWordInstance(icu_locale, status); |
| 627 | } |
| 628 | |
| 629 | if (U_FAILURE(status)) { |
| 630 | delete break_iterator; |
| 631 | return NULL; |
| 632 | } |
| 633 | |
| 634 | return break_iterator; |
| 635 | } |
| 636 | |
| 637 | |
| 638 | void SetResolvedBreakIteratorSettings(Isolate* isolate, |
| 639 | const icu::Locale& icu_locale, |
| 640 | icu::BreakIterator* break_iterator, |
| 641 | Handle<JSObject> resolved) { |
| 642 | Factory* factory = isolate->factory(); |
| 643 | UErrorCode status = U_ZERO_ERROR; |
| 644 | |
| 645 | // Set the locale |
| 646 | char result[ULOC_FULLNAME_CAPACITY]; |
| 647 | status = U_ZERO_ERROR; |
| 648 | uloc_toLanguageTag( |
| 649 | icu_locale.getName(), result, ULOC_FULLNAME_CAPACITY, FALSE, &status); |
| 650 | if (U_SUCCESS(status)) { |
| 651 | JSObject::SetProperty(resolved, factory->NewStringFromStaticChars("locale"), |
| 652 | factory->NewStringFromAsciiChecked(result), |
| 653 | SLOPPY).Assert(); |
| 654 | } else { |
| 655 | // This would never happen, since we got the locale from ICU. |
| 656 | JSObject::SetProperty(resolved, factory->NewStringFromStaticChars("locale"), |
| 657 | factory->NewStringFromStaticChars("und"), |
| 658 | SLOPPY).Assert(); |
| 659 | } |
| 660 | } |
| 661 | |
| 662 | } // namespace |
| 663 | |
| 664 | |
| 665 | // static |
| 666 | Handle<ObjectTemplateInfo> I18N::GetTemplate(Isolate* isolate) { |
| 667 | return GetEternal<1, i::EternalHandles::I18N_TEMPLATE_ONE>(isolate); |
| 668 | } |
| 669 | |
| 670 | |
| 671 | // static |
| 672 | Handle<ObjectTemplateInfo> I18N::GetTemplate2(Isolate* isolate) { |
| 673 | return GetEternal<2, i::EternalHandles::I18N_TEMPLATE_TWO>(isolate); |
| 674 | } |
| 675 | |
| 676 | |
| 677 | // static |
| 678 | icu::SimpleDateFormat* DateFormat::InitializeDateTimeFormat( |
| 679 | Isolate* isolate, |
| 680 | Handle<String> locale, |
| 681 | Handle<JSObject> options, |
| 682 | Handle<JSObject> resolved) { |
| 683 | // Convert BCP47 into ICU locale format. |
| 684 | UErrorCode status = U_ZERO_ERROR; |
| 685 | icu::Locale icu_locale; |
| 686 | char icu_result[ULOC_FULLNAME_CAPACITY]; |
| 687 | int icu_length = 0; |
| 688 | v8::String::Utf8Value bcp47_locale(v8::Utils::ToLocal(locale)); |
| 689 | if (bcp47_locale.length() != 0) { |
| 690 | uloc_forLanguageTag(*bcp47_locale, icu_result, ULOC_FULLNAME_CAPACITY, |
| 691 | &icu_length, &status); |
| 692 | if (U_FAILURE(status) || icu_length == 0) { |
| 693 | return NULL; |
| 694 | } |
| 695 | icu_locale = icu::Locale(icu_result); |
| 696 | } |
| 697 | |
| 698 | icu::SimpleDateFormat* date_format = CreateICUDateFormat( |
| 699 | isolate, icu_locale, options); |
| 700 | if (!date_format) { |
| 701 | // Remove extensions and try again. |
| 702 | icu::Locale no_extension_locale(icu_locale.getBaseName()); |
| 703 | date_format = CreateICUDateFormat(isolate, no_extension_locale, options); |
| 704 | |
| 705 | // Set resolved settings (pattern, numbering system, calendar). |
| 706 | SetResolvedDateSettings( |
| 707 | isolate, no_extension_locale, date_format, resolved); |
| 708 | } else { |
| 709 | SetResolvedDateSettings(isolate, icu_locale, date_format, resolved); |
| 710 | } |
| 711 | |
| 712 | return date_format; |
| 713 | } |
| 714 | |
| 715 | |
| 716 | icu::SimpleDateFormat* DateFormat::UnpackDateFormat( |
| 717 | Isolate* isolate, |
| 718 | Handle<JSObject> obj) { |
| 719 | Handle<String> key = |
| 720 | isolate->factory()->NewStringFromStaticChars("dateFormat"); |
| 721 | Maybe<bool> maybe = JSReceiver::HasOwnProperty(obj, key); |
| 722 | CHECK(maybe.has_value); |
| 723 | if (maybe.value) { |
| 724 | return reinterpret_cast<icu::SimpleDateFormat*>( |
| 725 | obj->GetInternalField(0)); |
| 726 | } |
| 727 | |
| 728 | return NULL; |
| 729 | } |
| 730 | |
| 731 | |
| 732 | template<class T> |
| 733 | void DeleteNativeObjectAt(const v8::WeakCallbackData<v8::Value, void>& data, |
| 734 | int index) { |
| 735 | v8::Local<v8::Object> obj = v8::Handle<v8::Object>::Cast(data.GetValue()); |
| 736 | delete reinterpret_cast<T*>(obj->GetAlignedPointerFromInternalField(index)); |
| 737 | } |
| 738 | |
| 739 | |
| 740 | static void DestroyGlobalHandle( |
| 741 | const v8::WeakCallbackData<v8::Value, void>& data) { |
| 742 | GlobalHandles::Destroy(reinterpret_cast<Object**>(data.GetParameter())); |
| 743 | } |
| 744 | |
| 745 | |
| 746 | void DateFormat::DeleteDateFormat( |
| 747 | const v8::WeakCallbackData<v8::Value, void>& data) { |
| 748 | DeleteNativeObjectAt<icu::SimpleDateFormat>(data, 0); |
| 749 | DestroyGlobalHandle(data); |
| 750 | } |
| 751 | |
| 752 | |
| 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 | // Set resolved settings (pattern, numbering system). |
| 782 | SetResolvedNumberSettings( |
| 783 | isolate, no_extension_locale, number_format, resolved); |
| 784 | } else { |
| 785 | SetResolvedNumberSettings(isolate, icu_locale, number_format, resolved); |
| 786 | } |
| 787 | |
| 788 | return number_format; |
| 789 | } |
| 790 | |
| 791 | |
| 792 | icu::DecimalFormat* NumberFormat::UnpackNumberFormat( |
| 793 | Isolate* isolate, |
| 794 | Handle<JSObject> obj) { |
| 795 | Handle<String> key = |
| 796 | isolate->factory()->NewStringFromStaticChars("numberFormat"); |
| 797 | Maybe<bool> maybe = JSReceiver::HasOwnProperty(obj, key); |
| 798 | CHECK(maybe.has_value); |
| 799 | if (maybe.value) { |
| 800 | return reinterpret_cast<icu::DecimalFormat*>(obj->GetInternalField(0)); |
| 801 | } |
| 802 | |
| 803 | return NULL; |
| 804 | } |
| 805 | |
| 806 | |
| 807 | void NumberFormat::DeleteNumberFormat( |
| 808 | const v8::WeakCallbackData<v8::Value, void>& data) { |
| 809 | DeleteNativeObjectAt<icu::DecimalFormat>(data, 0); |
| 810 | DestroyGlobalHandle(data); |
| 811 | } |
| 812 | |
| 813 | |
| 814 | icu::Collator* Collator::InitializeCollator( |
| 815 | Isolate* isolate, |
| 816 | Handle<String> locale, |
| 817 | Handle<JSObject> options, |
| 818 | Handle<JSObject> resolved) { |
| 819 | // Convert BCP47 into ICU locale format. |
| 820 | UErrorCode status = U_ZERO_ERROR; |
| 821 | icu::Locale icu_locale; |
| 822 | char icu_result[ULOC_FULLNAME_CAPACITY]; |
| 823 | int icu_length = 0; |
| 824 | v8::String::Utf8Value bcp47_locale(v8::Utils::ToLocal(locale)); |
| 825 | if (bcp47_locale.length() != 0) { |
| 826 | uloc_forLanguageTag(*bcp47_locale, icu_result, ULOC_FULLNAME_CAPACITY, |
| 827 | &icu_length, &status); |
| 828 | if (U_FAILURE(status) || icu_length == 0) { |
| 829 | return NULL; |
| 830 | } |
| 831 | icu_locale = icu::Locale(icu_result); |
| 832 | } |
| 833 | |
| 834 | icu::Collator* collator = CreateICUCollator(isolate, icu_locale, options); |
| 835 | if (!collator) { |
| 836 | // Remove extensions and try again. |
| 837 | icu::Locale no_extension_locale(icu_locale.getBaseName()); |
| 838 | collator = CreateICUCollator(isolate, no_extension_locale, options); |
| 839 | |
| 840 | // Set resolved settings (pattern, numbering system). |
| 841 | SetResolvedCollatorSettings( |
| 842 | isolate, no_extension_locale, collator, resolved); |
| 843 | } else { |
| 844 | SetResolvedCollatorSettings(isolate, icu_locale, collator, resolved); |
| 845 | } |
| 846 | |
| 847 | return collator; |
| 848 | } |
| 849 | |
| 850 | |
| 851 | icu::Collator* Collator::UnpackCollator(Isolate* isolate, |
| 852 | Handle<JSObject> obj) { |
| 853 | Handle<String> key = isolate->factory()->NewStringFromStaticChars("collator"); |
| 854 | Maybe<bool> maybe = JSReceiver::HasOwnProperty(obj, key); |
| 855 | CHECK(maybe.has_value); |
| 856 | if (maybe.value) { |
| 857 | return reinterpret_cast<icu::Collator*>(obj->GetInternalField(0)); |
| 858 | } |
| 859 | |
| 860 | return NULL; |
| 861 | } |
| 862 | |
| 863 | |
| 864 | void Collator::DeleteCollator( |
| 865 | const v8::WeakCallbackData<v8::Value, void>& data) { |
| 866 | DeleteNativeObjectAt<icu::Collator>(data, 0); |
| 867 | DestroyGlobalHandle(data); |
| 868 | } |
| 869 | |
| 870 | |
| 871 | icu::BreakIterator* BreakIterator::InitializeBreakIterator( |
| 872 | Isolate* isolate, |
| 873 | Handle<String> locale, |
| 874 | Handle<JSObject> options, |
| 875 | Handle<JSObject> resolved) { |
| 876 | // Convert BCP47 into ICU locale format. |
| 877 | UErrorCode status = U_ZERO_ERROR; |
| 878 | icu::Locale icu_locale; |
| 879 | char icu_result[ULOC_FULLNAME_CAPACITY]; |
| 880 | int icu_length = 0; |
| 881 | v8::String::Utf8Value bcp47_locale(v8::Utils::ToLocal(locale)); |
| 882 | if (bcp47_locale.length() != 0) { |
| 883 | uloc_forLanguageTag(*bcp47_locale, icu_result, ULOC_FULLNAME_CAPACITY, |
| 884 | &icu_length, &status); |
| 885 | if (U_FAILURE(status) || icu_length == 0) { |
| 886 | return NULL; |
| 887 | } |
| 888 | icu_locale = icu::Locale(icu_result); |
| 889 | } |
| 890 | |
| 891 | icu::BreakIterator* break_iterator = CreateICUBreakIterator( |
| 892 | isolate, icu_locale, options); |
| 893 | if (!break_iterator) { |
| 894 | // Remove extensions and try again. |
| 895 | icu::Locale no_extension_locale(icu_locale.getBaseName()); |
| 896 | break_iterator = CreateICUBreakIterator( |
| 897 | isolate, no_extension_locale, options); |
| 898 | |
| 899 | // Set resolved settings (locale). |
| 900 | SetResolvedBreakIteratorSettings( |
| 901 | isolate, no_extension_locale, break_iterator, resolved); |
| 902 | } else { |
| 903 | SetResolvedBreakIteratorSettings( |
| 904 | isolate, icu_locale, break_iterator, resolved); |
| 905 | } |
| 906 | |
| 907 | return break_iterator; |
| 908 | } |
| 909 | |
| 910 | |
| 911 | icu::BreakIterator* BreakIterator::UnpackBreakIterator(Isolate* isolate, |
| 912 | Handle<JSObject> obj) { |
| 913 | Handle<String> key = |
| 914 | isolate->factory()->NewStringFromStaticChars("breakIterator"); |
| 915 | Maybe<bool> maybe = JSReceiver::HasOwnProperty(obj, key); |
| 916 | CHECK(maybe.has_value); |
| 917 | if (maybe.value) { |
| 918 | return reinterpret_cast<icu::BreakIterator*>(obj->GetInternalField(0)); |
| 919 | } |
| 920 | |
| 921 | return NULL; |
| 922 | } |
| 923 | |
| 924 | |
| 925 | void BreakIterator::DeleteBreakIterator( |
| 926 | const v8::WeakCallbackData<v8::Value, void>& data) { |
| 927 | DeleteNativeObjectAt<icu::BreakIterator>(data, 0); |
| 928 | DeleteNativeObjectAt<icu::UnicodeString>(data, 1); |
| 929 | DestroyGlobalHandle(data); |
| 930 | } |
| 931 | |
| 932 | } } // namespace v8::internal |