Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +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 | |
| 5 | // ECMAScript 402 API implementation. |
| 6 | |
| 7 | /** |
| 8 | * Intl object is a single object that has some named properties, |
| 9 | * all of which are constructors. |
| 10 | */ |
| 11 | (function(global, utils) { |
| 12 | |
| 13 | "use strict"; |
| 14 | |
| 15 | %CheckIsBootstrapping(); |
| 16 | |
| 17 | // ------------------------------------------------------------------- |
| 18 | // Imports |
| 19 | |
| 20 | var ArrayIndexOf; |
| 21 | var ArrayJoin; |
| 22 | var ArrayPush; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 23 | var FLAG_intl_extra; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 24 | var GlobalDate = global.Date; |
| 25 | var GlobalNumber = global.Number; |
| 26 | var GlobalRegExp = global.RegExp; |
| 27 | var GlobalString = global.String; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 28 | var InstallFunctions = utils.InstallFunctions; |
| 29 | var InstallGetter = utils.InstallGetter; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 30 | var InternalArray = utils.InternalArray; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 31 | var InternalRegExpMatch; |
| 32 | var InternalRegExpReplace |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 33 | var IsNaN; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 34 | var MakeError; |
| 35 | var MakeRangeError; |
| 36 | var MakeTypeError; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 37 | var ObjectHasOwnProperty = utils.ImportNow("ObjectHasOwnProperty"); |
| 38 | var OverrideFunction = utils.OverrideFunction; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 39 | var patternSymbol = utils.ImportNow("intl_pattern_symbol"); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 40 | var resolvedSymbol = utils.ImportNow("intl_resolved_symbol"); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 41 | var SetFunctionName = utils.SetFunctionName; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 42 | var StringIndexOf; |
| 43 | var StringLastIndexOf; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 44 | var StringSplit; |
| 45 | var StringSubstr; |
| 46 | var StringSubstring; |
| 47 | |
| 48 | utils.Import(function(from) { |
| 49 | ArrayIndexOf = from.ArrayIndexOf; |
| 50 | ArrayJoin = from.ArrayJoin; |
| 51 | ArrayPush = from.ArrayPush; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 52 | IsNaN = from.IsNaN; |
| 53 | MakeError = from.MakeError; |
| 54 | MakeRangeError = from.MakeRangeError; |
| 55 | MakeTypeError = from.MakeTypeError; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 56 | InternalRegExpMatch = from.InternalRegExpMatch; |
| 57 | InternalRegExpReplace = from.InternalRegExpReplace; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 58 | StringIndexOf = from.StringIndexOf; |
| 59 | StringLastIndexOf = from.StringLastIndexOf; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 60 | StringSplit = from.StringSplit; |
| 61 | StringSubstr = from.StringSubstr; |
| 62 | StringSubstring = from.StringSubstring; |
| 63 | }); |
| 64 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 65 | utils.ImportFromExperimental(function(from) { |
| 66 | FLAG_intl_extra = from.FLAG_intl_extra; |
| 67 | }); |
| 68 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 69 | // Utilities for definitions |
| 70 | |
| 71 | function InstallFunction(object, name, func) { |
| 72 | InstallFunctions(object, DONT_ENUM, [name, func]); |
| 73 | } |
| 74 | |
| 75 | |
| 76 | function InstallConstructor(object, name, func) { |
| 77 | %CheckIsBootstrapping(); |
| 78 | SetFunctionName(func, name); |
| 79 | %AddNamedProperty(object, name, func, DONT_ENUM); |
| 80 | %SetNativeFlag(func); |
| 81 | %ToFastProperties(object); |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * Adds bound method to the prototype of the given object. |
| 86 | */ |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 87 | function AddBoundMethod(obj, methodName, implementation, length, type) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 88 | %CheckIsBootstrapping(); |
| 89 | var internalName = %CreatePrivateSymbol(methodName); |
| 90 | var getter = function() { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 91 | if (!%IsInitializedIntlObjectOfType(this, type)) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 92 | throw MakeTypeError(kMethodCalledOnWrongObject, methodName); |
| 93 | } |
| 94 | if (IS_UNDEFINED(this[internalName])) { |
| 95 | var boundMethod; |
| 96 | if (IS_UNDEFINED(length) || length === 2) { |
| 97 | boundMethod = (x, y) => implementation(this, x, y); |
| 98 | } else if (length === 1) { |
| 99 | boundMethod = x => implementation(this, x); |
| 100 | } else { |
| 101 | boundMethod = (...args) => { |
| 102 | // DateTimeFormat.format needs to be 0 arg method, but can stil |
| 103 | // receive optional dateValue param. If one was provided, pass it |
| 104 | // along. |
| 105 | if (args.length > 0) { |
| 106 | return implementation(this, args[0]); |
| 107 | } else { |
| 108 | return implementation(this); |
| 109 | } |
| 110 | } |
| 111 | } |
| 112 | // TODO(littledan): Once function name reform is shipped, remove the |
| 113 | // following line and wrap the boundMethod definition in an anonymous |
| 114 | // function macro. |
| 115 | %FunctionSetName(boundMethod, '__bound' + methodName + '__'); |
| 116 | %FunctionRemovePrototype(boundMethod); |
| 117 | %SetNativeFlag(boundMethod); |
| 118 | this[internalName] = boundMethod; |
| 119 | } |
| 120 | return this[internalName]; |
| 121 | }; |
| 122 | |
| 123 | InstallGetter(obj.prototype, methodName, getter, DONT_ENUM); |
| 124 | } |
| 125 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 126 | // ------------------------------------------------------------------- |
| 127 | |
| 128 | var Intl = {}; |
| 129 | |
| 130 | %AddNamedProperty(global, "Intl", Intl, DONT_ENUM); |
| 131 | |
| 132 | /** |
| 133 | * Caches available locales for each service. |
| 134 | */ |
| 135 | var AVAILABLE_LOCALES = { |
| 136 | 'collator': UNDEFINED, |
| 137 | 'numberformat': UNDEFINED, |
| 138 | 'dateformat': UNDEFINED, |
| 139 | 'breakiterator': UNDEFINED |
| 140 | }; |
| 141 | |
| 142 | /** |
| 143 | * Caches default ICU locale. |
| 144 | */ |
| 145 | var DEFAULT_ICU_LOCALE = UNDEFINED; |
| 146 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 147 | function GetDefaultICULocaleJS() { |
| 148 | if (IS_UNDEFINED(DEFAULT_ICU_LOCALE)) { |
| 149 | DEFAULT_ICU_LOCALE = %GetDefaultICULocale(); |
| 150 | } |
| 151 | return DEFAULT_ICU_LOCALE; |
| 152 | } |
| 153 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 154 | /** |
| 155 | * Unicode extension regular expression. |
| 156 | */ |
| 157 | var UNICODE_EXTENSION_RE = UNDEFINED; |
| 158 | |
| 159 | function GetUnicodeExtensionRE() { |
| 160 | if (IS_UNDEFINED(UNDEFINED)) { |
| 161 | UNICODE_EXTENSION_RE = new GlobalRegExp('-u(-[a-z0-9]{2,8})+', 'g'); |
| 162 | } |
| 163 | return UNICODE_EXTENSION_RE; |
| 164 | } |
| 165 | |
| 166 | /** |
| 167 | * Matches any Unicode extension. |
| 168 | */ |
| 169 | var ANY_EXTENSION_RE = UNDEFINED; |
| 170 | |
| 171 | function GetAnyExtensionRE() { |
| 172 | if (IS_UNDEFINED(ANY_EXTENSION_RE)) { |
| 173 | ANY_EXTENSION_RE = new GlobalRegExp('-[a-z0-9]{1}-.*', 'g'); |
| 174 | } |
| 175 | return ANY_EXTENSION_RE; |
| 176 | } |
| 177 | |
| 178 | /** |
| 179 | * Replace quoted text (single quote, anything but the quote and quote again). |
| 180 | */ |
| 181 | var QUOTED_STRING_RE = UNDEFINED; |
| 182 | |
| 183 | function GetQuotedStringRE() { |
| 184 | if (IS_UNDEFINED(QUOTED_STRING_RE)) { |
| 185 | QUOTED_STRING_RE = new GlobalRegExp("'[^']+'", 'g'); |
| 186 | } |
| 187 | return QUOTED_STRING_RE; |
| 188 | } |
| 189 | |
| 190 | /** |
| 191 | * Matches valid service name. |
| 192 | */ |
| 193 | var SERVICE_RE = UNDEFINED; |
| 194 | |
| 195 | function GetServiceRE() { |
| 196 | if (IS_UNDEFINED(SERVICE_RE)) { |
| 197 | SERVICE_RE = |
| 198 | new GlobalRegExp('^(collator|numberformat|dateformat|breakiterator)$'); |
| 199 | } |
| 200 | return SERVICE_RE; |
| 201 | } |
| 202 | |
| 203 | /** |
| 204 | * Validates a language tag against bcp47 spec. |
| 205 | * Actual value is assigned on first run. |
| 206 | */ |
| 207 | var LANGUAGE_TAG_RE = UNDEFINED; |
| 208 | |
| 209 | function GetLanguageTagRE() { |
| 210 | if (IS_UNDEFINED(LANGUAGE_TAG_RE)) { |
| 211 | BuildLanguageTagREs(); |
| 212 | } |
| 213 | return LANGUAGE_TAG_RE; |
| 214 | } |
| 215 | |
| 216 | /** |
| 217 | * Helps find duplicate variants in the language tag. |
| 218 | */ |
| 219 | var LANGUAGE_VARIANT_RE = UNDEFINED; |
| 220 | |
| 221 | function GetLanguageVariantRE() { |
| 222 | if (IS_UNDEFINED(LANGUAGE_VARIANT_RE)) { |
| 223 | BuildLanguageTagREs(); |
| 224 | } |
| 225 | return LANGUAGE_VARIANT_RE; |
| 226 | } |
| 227 | |
| 228 | /** |
| 229 | * Helps find duplicate singletons in the language tag. |
| 230 | */ |
| 231 | var LANGUAGE_SINGLETON_RE = UNDEFINED; |
| 232 | |
| 233 | function GetLanguageSingletonRE() { |
| 234 | if (IS_UNDEFINED(LANGUAGE_SINGLETON_RE)) { |
| 235 | BuildLanguageTagREs(); |
| 236 | } |
| 237 | return LANGUAGE_SINGLETON_RE; |
| 238 | } |
| 239 | |
| 240 | /** |
| 241 | * Matches valid IANA time zone names. |
| 242 | */ |
| 243 | var TIMEZONE_NAME_CHECK_RE = UNDEFINED; |
| 244 | |
| 245 | function GetTimezoneNameCheckRE() { |
| 246 | if (IS_UNDEFINED(TIMEZONE_NAME_CHECK_RE)) { |
| 247 | TIMEZONE_NAME_CHECK_RE = new GlobalRegExp( |
| 248 | '^([A-Za-z]+)/([A-Za-z_-]+)((?:\/[A-Za-z_-]+)+)*$'); |
| 249 | } |
| 250 | return TIMEZONE_NAME_CHECK_RE; |
| 251 | } |
| 252 | |
| 253 | /** |
| 254 | * Matches valid location parts of IANA time zone names. |
| 255 | */ |
| 256 | var TIMEZONE_NAME_LOCATION_PART_RE = UNDEFINED; |
| 257 | |
| 258 | function GetTimezoneNameLocationPartRE() { |
| 259 | if (IS_UNDEFINED(TIMEZONE_NAME_LOCATION_PART_RE)) { |
| 260 | TIMEZONE_NAME_LOCATION_PART_RE = |
| 261 | new GlobalRegExp('^([A-Za-z]+)((?:[_-][A-Za-z]+)+)*$'); |
| 262 | } |
| 263 | return TIMEZONE_NAME_LOCATION_PART_RE; |
| 264 | } |
| 265 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 266 | |
| 267 | /** |
| 268 | * Returns an intersection of locales and service supported locales. |
| 269 | * Parameter locales is treated as a priority list. |
| 270 | */ |
| 271 | function supportedLocalesOf(service, locales, options) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 272 | if (IS_NULL(InternalRegExpMatch(GetServiceRE(), service))) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 273 | throw MakeError(kWrongServiceType, service); |
| 274 | } |
| 275 | |
| 276 | // Provide defaults if matcher was not specified. |
| 277 | if (IS_UNDEFINED(options)) { |
| 278 | options = {}; |
| 279 | } else { |
| 280 | options = TO_OBJECT(options); |
| 281 | } |
| 282 | |
| 283 | var matcher = options.localeMatcher; |
| 284 | if (!IS_UNDEFINED(matcher)) { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 285 | matcher = TO_STRING(matcher); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 286 | if (matcher !== 'lookup' && matcher !== 'best fit') { |
| 287 | throw MakeRangeError(kLocaleMatcher, matcher); |
| 288 | } |
| 289 | } else { |
| 290 | matcher = 'best fit'; |
| 291 | } |
| 292 | |
| 293 | var requestedLocales = initializeLocaleList(locales); |
| 294 | |
| 295 | // Cache these, they don't ever change per service. |
| 296 | if (IS_UNDEFINED(AVAILABLE_LOCALES[service])) { |
| 297 | AVAILABLE_LOCALES[service] = getAvailableLocalesOf(service); |
| 298 | } |
| 299 | |
| 300 | // Use either best fit or lookup algorithm to match locales. |
| 301 | if (matcher === 'best fit') { |
| 302 | return initializeLocaleList(bestFitSupportedLocalesOf( |
| 303 | requestedLocales, AVAILABLE_LOCALES[service])); |
| 304 | } |
| 305 | |
| 306 | return initializeLocaleList(lookupSupportedLocalesOf( |
| 307 | requestedLocales, AVAILABLE_LOCALES[service])); |
| 308 | } |
| 309 | |
| 310 | |
| 311 | /** |
| 312 | * Returns the subset of the provided BCP 47 language priority list for which |
| 313 | * this service has a matching locale when using the BCP 47 Lookup algorithm. |
| 314 | * Locales appear in the same order in the returned list as in the input list. |
| 315 | */ |
| 316 | function lookupSupportedLocalesOf(requestedLocales, availableLocales) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 317 | var matchedLocales = new InternalArray(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 318 | for (var i = 0; i < requestedLocales.length; ++i) { |
| 319 | // Remove -u- extension. |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 320 | var locale = InternalRegExpReplace( |
| 321 | GetUnicodeExtensionRE(), requestedLocales[i], ''); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 322 | do { |
| 323 | if (!IS_UNDEFINED(availableLocales[locale])) { |
| 324 | // Push requested locale not the resolved one. |
| 325 | %_Call(ArrayPush, matchedLocales, requestedLocales[i]); |
| 326 | break; |
| 327 | } |
| 328 | // Truncate locale if possible, if not break. |
| 329 | var pos = %_Call(StringLastIndexOf, locale, '-'); |
| 330 | if (pos === -1) { |
| 331 | break; |
| 332 | } |
| 333 | locale = %_Call(StringSubstring, locale, 0, pos); |
| 334 | } while (true); |
| 335 | } |
| 336 | |
| 337 | return matchedLocales; |
| 338 | } |
| 339 | |
| 340 | |
| 341 | /** |
| 342 | * Returns the subset of the provided BCP 47 language priority list for which |
| 343 | * this service has a matching locale when using the implementation |
| 344 | * dependent algorithm. |
| 345 | * Locales appear in the same order in the returned list as in the input list. |
| 346 | */ |
| 347 | function bestFitSupportedLocalesOf(requestedLocales, availableLocales) { |
| 348 | // TODO(cira): implement better best fit algorithm. |
| 349 | return lookupSupportedLocalesOf(requestedLocales, availableLocales); |
| 350 | } |
| 351 | |
| 352 | |
| 353 | /** |
| 354 | * Returns a getOption function that extracts property value for given |
| 355 | * options object. If property is missing it returns defaultValue. If value |
| 356 | * is out of range for that property it throws RangeError. |
| 357 | */ |
| 358 | function getGetOption(options, caller) { |
| 359 | if (IS_UNDEFINED(options)) throw MakeError(kDefaultOptionsMissing, caller); |
| 360 | |
| 361 | var getOption = function getOption(property, type, values, defaultValue) { |
| 362 | if (!IS_UNDEFINED(options[property])) { |
| 363 | var value = options[property]; |
| 364 | switch (type) { |
| 365 | case 'boolean': |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 366 | value = TO_BOOLEAN(value); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 367 | break; |
| 368 | case 'string': |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 369 | value = TO_STRING(value); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 370 | break; |
| 371 | case 'number': |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 372 | value = TO_NUMBER(value); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 373 | break; |
| 374 | default: |
| 375 | throw MakeError(kWrongValueType); |
| 376 | } |
| 377 | |
| 378 | if (!IS_UNDEFINED(values) && %_Call(ArrayIndexOf, values, value) === -1) { |
| 379 | throw MakeRangeError(kValueOutOfRange, value, caller, property); |
| 380 | } |
| 381 | |
| 382 | return value; |
| 383 | } |
| 384 | |
| 385 | return defaultValue; |
| 386 | } |
| 387 | |
| 388 | return getOption; |
| 389 | } |
| 390 | |
| 391 | |
| 392 | /** |
| 393 | * Compares a BCP 47 language priority list requestedLocales against the locales |
| 394 | * in availableLocales and determines the best available language to meet the |
| 395 | * request. Two algorithms are available to match the locales: the Lookup |
| 396 | * algorithm described in RFC 4647 section 3.4, and an implementation dependent |
| 397 | * best-fit algorithm. Independent of the locale matching algorithm, options |
| 398 | * specified through Unicode locale extension sequences are negotiated |
| 399 | * separately, taking the caller's relevant extension keys and locale data as |
| 400 | * well as client-provided options into consideration. Returns an object with |
| 401 | * a locale property whose value is the language tag of the selected locale, |
| 402 | * and properties for each key in relevantExtensionKeys providing the selected |
| 403 | * value for that key. |
| 404 | */ |
| 405 | function resolveLocale(service, requestedLocales, options) { |
| 406 | requestedLocales = initializeLocaleList(requestedLocales); |
| 407 | |
| 408 | var getOption = getGetOption(options, service); |
| 409 | var matcher = getOption('localeMatcher', 'string', |
| 410 | ['lookup', 'best fit'], 'best fit'); |
| 411 | var resolved; |
| 412 | if (matcher === 'lookup') { |
| 413 | resolved = lookupMatcher(service, requestedLocales); |
| 414 | } else { |
| 415 | resolved = bestFitMatcher(service, requestedLocales); |
| 416 | } |
| 417 | |
| 418 | return resolved; |
| 419 | } |
| 420 | |
| 421 | |
| 422 | /** |
| 423 | * Returns best matched supported locale and extension info using basic |
| 424 | * lookup algorithm. |
| 425 | */ |
| 426 | function lookupMatcher(service, requestedLocales) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 427 | if (IS_NULL(InternalRegExpMatch(GetServiceRE(), service))) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 428 | throw MakeError(kWrongServiceType, service); |
| 429 | } |
| 430 | |
| 431 | // Cache these, they don't ever change per service. |
| 432 | if (IS_UNDEFINED(AVAILABLE_LOCALES[service])) { |
| 433 | AVAILABLE_LOCALES[service] = getAvailableLocalesOf(service); |
| 434 | } |
| 435 | |
| 436 | for (var i = 0; i < requestedLocales.length; ++i) { |
| 437 | // Remove all extensions. |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 438 | var locale = InternalRegExpReplace( |
| 439 | GetAnyExtensionRE(), requestedLocales[i], ''); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 440 | do { |
| 441 | if (!IS_UNDEFINED(AVAILABLE_LOCALES[service][locale])) { |
| 442 | // Return the resolved locale and extension. |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 443 | var extensionMatch = InternalRegExpMatch( |
| 444 | GetUnicodeExtensionRE(), requestedLocales[i]); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 445 | var extension = IS_NULL(extensionMatch) ? '' : extensionMatch[0]; |
| 446 | return {'locale': locale, 'extension': extension, 'position': i}; |
| 447 | } |
| 448 | // Truncate locale if possible. |
| 449 | var pos = %_Call(StringLastIndexOf, locale, '-'); |
| 450 | if (pos === -1) { |
| 451 | break; |
| 452 | } |
| 453 | locale = %_Call(StringSubstring, locale, 0, pos); |
| 454 | } while (true); |
| 455 | } |
| 456 | |
| 457 | // Didn't find a match, return default. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 458 | return {'locale': GetDefaultICULocaleJS(), 'extension': '', 'position': -1}; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 459 | } |
| 460 | |
| 461 | |
| 462 | /** |
| 463 | * Returns best matched supported locale and extension info using |
| 464 | * implementation dependend algorithm. |
| 465 | */ |
| 466 | function bestFitMatcher(service, requestedLocales) { |
| 467 | // TODO(cira): implement better best fit algorithm. |
| 468 | return lookupMatcher(service, requestedLocales); |
| 469 | } |
| 470 | |
| 471 | |
| 472 | /** |
| 473 | * Parses Unicode extension into key - value map. |
| 474 | * Returns empty object if the extension string is invalid. |
| 475 | * We are not concerned with the validity of the values at this point. |
| 476 | */ |
| 477 | function parseExtension(extension) { |
| 478 | var extensionSplit = %_Call(StringSplit, extension, '-'); |
| 479 | |
| 480 | // Assume ['', 'u', ...] input, but don't throw. |
| 481 | if (extensionSplit.length <= 2 || |
| 482 | (extensionSplit[0] !== '' && extensionSplit[1] !== 'u')) { |
| 483 | return {}; |
| 484 | } |
| 485 | |
| 486 | // Key is {2}alphanum, value is {3,8}alphanum. |
| 487 | // Some keys may not have explicit values (booleans). |
| 488 | var extensionMap = {}; |
| 489 | var previousKey = UNDEFINED; |
| 490 | for (var i = 2; i < extensionSplit.length; ++i) { |
| 491 | var length = extensionSplit[i].length; |
| 492 | var element = extensionSplit[i]; |
| 493 | if (length === 2) { |
| 494 | extensionMap[element] = UNDEFINED; |
| 495 | previousKey = element; |
| 496 | } else if (length >= 3 && length <=8 && !IS_UNDEFINED(previousKey)) { |
| 497 | extensionMap[previousKey] = element; |
| 498 | previousKey = UNDEFINED; |
| 499 | } else { |
| 500 | // There is a value that's too long, or that doesn't have a key. |
| 501 | return {}; |
| 502 | } |
| 503 | } |
| 504 | |
| 505 | return extensionMap; |
| 506 | } |
| 507 | |
| 508 | |
| 509 | /** |
| 510 | * Populates internalOptions object with boolean key-value pairs |
| 511 | * from extensionMap and options. |
| 512 | * Returns filtered extension (number and date format constructors use |
| 513 | * Unicode extensions for passing parameters to ICU). |
| 514 | * It's used for extension-option pairs only, e.g. kn-normalization, but not |
| 515 | * for 'sensitivity' since it doesn't have extension equivalent. |
| 516 | * Extensions like nu and ca don't have options equivalent, so we place |
| 517 | * undefined in the map.property to denote that. |
| 518 | */ |
| 519 | function setOptions(inOptions, extensionMap, keyValues, getOption, outOptions) { |
| 520 | var extension = ''; |
| 521 | |
| 522 | var updateExtension = function updateExtension(key, value) { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 523 | return '-' + key + '-' + TO_STRING(value); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 524 | } |
| 525 | |
| 526 | var updateProperty = function updateProperty(property, type, value) { |
| 527 | if (type === 'boolean' && (typeof value === 'string')) { |
| 528 | value = (value === 'true') ? true : false; |
| 529 | } |
| 530 | |
| 531 | if (!IS_UNDEFINED(property)) { |
| 532 | defineWEProperty(outOptions, property, value); |
| 533 | } |
| 534 | } |
| 535 | |
| 536 | for (var key in keyValues) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 537 | if (HAS_OWN_PROPERTY(keyValues, key)) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 538 | var value = UNDEFINED; |
| 539 | var map = keyValues[key]; |
| 540 | if (!IS_UNDEFINED(map.property)) { |
| 541 | // This may return true if user specifies numeric: 'false', since |
| 542 | // Boolean('nonempty') === true. |
| 543 | value = getOption(map.property, map.type, map.values); |
| 544 | } |
| 545 | if (!IS_UNDEFINED(value)) { |
| 546 | updateProperty(map.property, map.type, value); |
| 547 | extension += updateExtension(key, value); |
| 548 | continue; |
| 549 | } |
| 550 | // User options didn't have it, check Unicode extension. |
| 551 | // Here we want to convert strings 'true', 'false' into proper Boolean |
| 552 | // values (not a user error). |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 553 | if (HAS_OWN_PROPERTY(extensionMap, key)) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 554 | value = extensionMap[key]; |
| 555 | if (!IS_UNDEFINED(value)) { |
| 556 | updateProperty(map.property, map.type, value); |
| 557 | extension += updateExtension(key, value); |
| 558 | } else if (map.type === 'boolean') { |
| 559 | // Boolean keys are allowed not to have values in Unicode extension. |
| 560 | // Those default to true. |
| 561 | updateProperty(map.property, map.type, true); |
| 562 | extension += updateExtension(key, true); |
| 563 | } |
| 564 | } |
| 565 | } |
| 566 | } |
| 567 | |
| 568 | return extension === ''? '' : '-u' + extension; |
| 569 | } |
| 570 | |
| 571 | |
| 572 | /** |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 573 | * Given an array-like, outputs an Array with the numbered |
| 574 | * properties copied over and defined |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 575 | * configurable: false, writable: false, enumerable: true. |
| 576 | */ |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 577 | function freezeArray(input) { |
| 578 | var array = []; |
| 579 | var l = input.length; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 580 | for (var i = 0; i < l; i++) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 581 | if (i in input) { |
| 582 | %object_define_property(array, i, {value: input[i], |
| 583 | configurable: false, |
| 584 | writable: false, |
| 585 | enumerable: true}); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 586 | } |
| 587 | } |
| 588 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 589 | %object_define_property(array, 'length', {value: l, writable: false}); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 590 | return array; |
| 591 | } |
| 592 | |
| 593 | |
| 594 | /** |
| 595 | * It's sometimes desireable to leave user requested locale instead of ICU |
| 596 | * supported one (zh-TW is equivalent to zh-Hant-TW, so we should keep shorter |
| 597 | * one, if that was what user requested). |
| 598 | * This function returns user specified tag if its maximized form matches ICU |
| 599 | * resolved locale. If not we return ICU result. |
| 600 | */ |
| 601 | function getOptimalLanguageTag(original, resolved) { |
| 602 | // Returns Array<Object>, where each object has maximized and base properties. |
| 603 | // Maximized: zh -> zh-Hans-CN |
| 604 | // Base: zh-CN-u-ca-gregory -> zh-CN |
| 605 | // Take care of grandfathered or simple cases. |
| 606 | if (original === resolved) { |
| 607 | return original; |
| 608 | } |
| 609 | |
| 610 | var locales = %GetLanguageTagVariants([original, resolved]); |
| 611 | if (locales[0].maximized !== locales[1].maximized) { |
| 612 | return resolved; |
| 613 | } |
| 614 | |
| 615 | // Preserve extensions of resolved locale, but swap base tags with original. |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 616 | var resolvedBase = new GlobalRegExp('^' + locales[1].base, 'g'); |
| 617 | return InternalRegExpReplace(resolvedBase, resolved, locales[0].base); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 618 | } |
| 619 | |
| 620 | |
| 621 | /** |
| 622 | * Returns an Object that contains all of supported locales for a given |
| 623 | * service. |
| 624 | * In addition to the supported locales we add xx-ZZ locale for each xx-Yyyy-ZZ |
| 625 | * that is supported. This is required by the spec. |
| 626 | */ |
| 627 | function getAvailableLocalesOf(service) { |
| 628 | var available = %AvailableLocalesOf(service); |
| 629 | |
| 630 | for (var i in available) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 631 | if (HAS_OWN_PROPERTY(available, i)) { |
| 632 | var parts = InternalRegExpMatch( |
| 633 | /^([a-z]{2,3})-([A-Z][a-z]{3})-([A-Z]{2})$/, i); |
| 634 | if (!IS_NULL(parts)) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 635 | // Build xx-ZZ. We don't care about the actual value, |
| 636 | // as long it's not undefined. |
| 637 | available[parts[1] + '-' + parts[3]] = null; |
| 638 | } |
| 639 | } |
| 640 | } |
| 641 | |
| 642 | return available; |
| 643 | } |
| 644 | |
| 645 | |
| 646 | /** |
| 647 | * Defines a property and sets writable and enumerable to true. |
| 648 | * Configurable is false by default. |
| 649 | */ |
| 650 | function defineWEProperty(object, property, value) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 651 | %object_define_property(object, property, |
| 652 | {value: value, writable: true, enumerable: true}); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 653 | } |
| 654 | |
| 655 | |
| 656 | /** |
| 657 | * Adds property to an object if the value is not undefined. |
| 658 | * Sets configurable descriptor to false. |
| 659 | */ |
| 660 | function addWEPropertyIfDefined(object, property, value) { |
| 661 | if (!IS_UNDEFINED(value)) { |
| 662 | defineWEProperty(object, property, value); |
| 663 | } |
| 664 | } |
| 665 | |
| 666 | |
| 667 | /** |
| 668 | * Defines a property and sets writable, enumerable and configurable to true. |
| 669 | */ |
| 670 | function defineWECProperty(object, property, value) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 671 | %object_define_property(object, property, {value: value, |
| 672 | writable: true, |
| 673 | enumerable: true, |
| 674 | configurable: true}); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 675 | } |
| 676 | |
| 677 | |
| 678 | /** |
| 679 | * Adds property to an object if the value is not undefined. |
| 680 | * Sets all descriptors to true. |
| 681 | */ |
| 682 | function addWECPropertyIfDefined(object, property, value) { |
| 683 | if (!IS_UNDEFINED(value)) { |
| 684 | defineWECProperty(object, property, value); |
| 685 | } |
| 686 | } |
| 687 | |
| 688 | |
| 689 | /** |
| 690 | * Returns titlecased word, aMeRricA -> America. |
| 691 | */ |
| 692 | function toTitleCaseWord(word) { |
| 693 | return %StringToUpperCase(%_Call(StringSubstr, word, 0, 1)) + |
| 694 | %StringToLowerCase(%_Call(StringSubstr, word, 1)); |
| 695 | } |
| 696 | |
| 697 | /** |
| 698 | * Returns titlecased location, bueNos_airES -> Buenos_Aires |
| 699 | * or ho_cHi_minH -> Ho_Chi_Minh. It is locale-agnostic and only |
| 700 | * deals with ASCII only characters. |
| 701 | * 'of', 'au' and 'es' are special-cased and lowercased. |
| 702 | */ |
| 703 | function toTitleCaseTimezoneLocation(location) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 704 | var match = InternalRegExpMatch(GetTimezoneNameLocationPartRE(), location) |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 705 | if (IS_NULL(match)) throw MakeRangeError(kExpectedLocation, location); |
| 706 | |
| 707 | var result = toTitleCaseWord(match[1]); |
| 708 | if (!IS_UNDEFINED(match[2]) && 2 < match.length) { |
| 709 | // The first character is a separator, '_' or '-'. |
| 710 | // None of IANA zone names has both '_' and '-'. |
| 711 | var separator = %_Call(StringSubstring, match[2], 0, 1); |
| 712 | var parts = %_Call(StringSplit, match[2], separator); |
| 713 | for (var i = 1; i < parts.length; i++) { |
| 714 | var part = parts[i] |
| 715 | var lowercasedPart = %StringToLowerCase(part); |
| 716 | result = result + separator + |
| 717 | ((lowercasedPart !== 'es' && |
| 718 | lowercasedPart !== 'of' && lowercasedPart !== 'au') ? |
| 719 | toTitleCaseWord(part) : lowercasedPart); |
| 720 | } |
| 721 | } |
| 722 | return result; |
| 723 | } |
| 724 | |
| 725 | /** |
| 726 | * Canonicalizes the language tag, or throws in case the tag is invalid. |
| 727 | */ |
| 728 | function canonicalizeLanguageTag(localeID) { |
| 729 | // null is typeof 'object' so we have to do extra check. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 730 | if ((!IS_STRING(localeID) && !IS_RECEIVER(localeID)) || |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 731 | IS_NULL(localeID)) { |
| 732 | throw MakeTypeError(kLanguageID); |
| 733 | } |
| 734 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 735 | // Optimize for the most common case; a language code alone in |
| 736 | // the canonical form/lowercase (e.g. "en", "fil"). |
| 737 | if (IS_STRING(localeID) && |
| 738 | !IS_NULL(InternalRegExpMatch(/^[a-z]{2,3}$/, localeID))) { |
| 739 | return localeID; |
| 740 | } |
| 741 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 742 | var localeString = TO_STRING(localeID); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 743 | |
| 744 | if (isValidLanguageTag(localeString) === false) { |
| 745 | throw MakeRangeError(kInvalidLanguageTag, localeString); |
| 746 | } |
| 747 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 748 | var tag = %CanonicalizeLanguageTag(localeString); |
| 749 | if (tag === 'invalid-tag') { |
| 750 | throw MakeRangeError(kInvalidLanguageTag, localeString); |
| 751 | } |
| 752 | |
| 753 | return tag; |
| 754 | } |
| 755 | |
| 756 | |
| 757 | /** |
| 758 | * Returns an array where all locales are canonicalized and duplicates removed. |
| 759 | * Throws on locales that are not well formed BCP47 tags. |
| 760 | */ |
| 761 | function initializeLocaleList(locales) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 762 | var seen = new InternalArray(); |
| 763 | if (!IS_UNDEFINED(locales)) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 764 | // We allow single string localeID. |
| 765 | if (typeof locales === 'string') { |
| 766 | %_Call(ArrayPush, seen, canonicalizeLanguageTag(locales)); |
| 767 | return freezeArray(seen); |
| 768 | } |
| 769 | |
| 770 | var o = TO_OBJECT(locales); |
| 771 | var len = TO_UINT32(o.length); |
| 772 | |
| 773 | for (var k = 0; k < len; k++) { |
| 774 | if (k in o) { |
| 775 | var value = o[k]; |
| 776 | |
| 777 | var tag = canonicalizeLanguageTag(value); |
| 778 | |
| 779 | if (%_Call(ArrayIndexOf, seen, tag) === -1) { |
| 780 | %_Call(ArrayPush, seen, tag); |
| 781 | } |
| 782 | } |
| 783 | } |
| 784 | } |
| 785 | |
| 786 | return freezeArray(seen); |
| 787 | } |
| 788 | |
| 789 | |
| 790 | /** |
| 791 | * Validates the language tag. Section 2.2.9 of the bcp47 spec |
| 792 | * defines a valid tag. |
| 793 | * |
| 794 | * ICU is too permissible and lets invalid tags, like |
| 795 | * hant-cmn-cn, through. |
| 796 | * |
| 797 | * Returns false if the language tag is invalid. |
| 798 | */ |
| 799 | function isValidLanguageTag(locale) { |
| 800 | // Check if it's well-formed, including grandfadered tags. |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 801 | if (IS_NULL(InternalRegExpMatch(GetLanguageTagRE(), locale))) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 802 | return false; |
| 803 | } |
| 804 | |
| 805 | // Just return if it's a x- form. It's all private. |
| 806 | if (%_Call(StringIndexOf, locale, 'x-') === 0) { |
| 807 | return true; |
| 808 | } |
| 809 | |
| 810 | // Check if there are any duplicate variants or singletons (extensions). |
| 811 | |
| 812 | // Remove private use section. |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 813 | locale = %_Call(StringSplit, locale, '-x-')[0]; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 814 | |
| 815 | // Skip language since it can match variant regex, so we start from 1. |
| 816 | // We are matching i-klingon here, but that's ok, since i-klingon-klingon |
| 817 | // is not valid and would fail LANGUAGE_TAG_RE test. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 818 | var variants = new InternalArray(); |
| 819 | var extensions = new InternalArray(); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 820 | var parts = %_Call(StringSplit, locale, '-'); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 821 | for (var i = 1; i < parts.length; i++) { |
| 822 | var value = parts[i]; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 823 | if (!IS_NULL(InternalRegExpMatch(GetLanguageVariantRE(), value)) && |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 824 | extensions.length === 0) { |
| 825 | if (%_Call(ArrayIndexOf, variants, value) === -1) { |
| 826 | %_Call(ArrayPush, variants, value); |
| 827 | } else { |
| 828 | return false; |
| 829 | } |
| 830 | } |
| 831 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 832 | if (!IS_NULL(InternalRegExpMatch(GetLanguageSingletonRE(), value))) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 833 | if (%_Call(ArrayIndexOf, extensions, value) === -1) { |
| 834 | %_Call(ArrayPush, extensions, value); |
| 835 | } else { |
| 836 | return false; |
| 837 | } |
| 838 | } |
| 839 | } |
| 840 | |
| 841 | return true; |
| 842 | } |
| 843 | |
| 844 | |
| 845 | /** |
| 846 | * Builds a regular expresion that validates the language tag |
| 847 | * against bcp47 spec. |
| 848 | * Uses http://tools.ietf.org/html/bcp47, section 2.1, ABNF. |
| 849 | * Runs on load and initializes the global REs. |
| 850 | */ |
| 851 | function BuildLanguageTagREs() { |
| 852 | var alpha = '[a-zA-Z]'; |
| 853 | var digit = '[0-9]'; |
| 854 | var alphanum = '(' + alpha + '|' + digit + ')'; |
| 855 | var regular = '(art-lojban|cel-gaulish|no-bok|no-nyn|zh-guoyu|zh-hakka|' + |
| 856 | 'zh-min|zh-min-nan|zh-xiang)'; |
| 857 | var irregular = '(en-GB-oed|i-ami|i-bnn|i-default|i-enochian|i-hak|' + |
| 858 | 'i-klingon|i-lux|i-mingo|i-navajo|i-pwn|i-tao|i-tay|' + |
| 859 | 'i-tsu|sgn-BE-FR|sgn-BE-NL|sgn-CH-DE)'; |
| 860 | var grandfathered = '(' + irregular + '|' + regular + ')'; |
| 861 | var privateUse = '(x(-' + alphanum + '{1,8})+)'; |
| 862 | |
| 863 | var singleton = '(' + digit + '|[A-WY-Za-wy-z])'; |
| 864 | LANGUAGE_SINGLETON_RE = new GlobalRegExp('^' + singleton + '$', 'i'); |
| 865 | |
| 866 | var extension = '(' + singleton + '(-' + alphanum + '{2,8})+)'; |
| 867 | |
| 868 | var variant = '(' + alphanum + '{5,8}|(' + digit + alphanum + '{3}))'; |
| 869 | LANGUAGE_VARIANT_RE = new GlobalRegExp('^' + variant + '$', 'i'); |
| 870 | |
| 871 | var region = '(' + alpha + '{2}|' + digit + '{3})'; |
| 872 | var script = '(' + alpha + '{4})'; |
| 873 | var extLang = '(' + alpha + '{3}(-' + alpha + '{3}){0,2})'; |
| 874 | var language = '(' + alpha + '{2,3}(-' + extLang + ')?|' + alpha + '{4}|' + |
| 875 | alpha + '{5,8})'; |
| 876 | var langTag = language + '(-' + script + ')?(-' + region + ')?(-' + |
| 877 | variant + ')*(-' + extension + ')*(-' + privateUse + ')?'; |
| 878 | |
| 879 | var languageTag = |
| 880 | '^(' + langTag + '|' + privateUse + '|' + grandfathered + ')$'; |
| 881 | LANGUAGE_TAG_RE = new GlobalRegExp(languageTag, 'i'); |
| 882 | } |
| 883 | |
| 884 | var resolvedAccessor = { |
| 885 | get() { |
| 886 | %IncrementUseCounter(kIntlResolved); |
| 887 | return this[resolvedSymbol]; |
| 888 | }, |
| 889 | set(value) { |
| 890 | this[resolvedSymbol] = value; |
| 891 | } |
| 892 | }; |
| 893 | |
| 894 | /** |
| 895 | * Initializes the given object so it's a valid Collator instance. |
| 896 | * Useful for subclassing. |
| 897 | */ |
| 898 | function initializeCollator(collator, locales, options) { |
| 899 | if (%IsInitializedIntlObject(collator)) { |
| 900 | throw MakeTypeError(kReinitializeIntl, "Collator"); |
| 901 | } |
| 902 | |
| 903 | if (IS_UNDEFINED(options)) { |
| 904 | options = {}; |
| 905 | } |
| 906 | |
| 907 | var getOption = getGetOption(options, 'collator'); |
| 908 | |
| 909 | var internalOptions = {}; |
| 910 | |
| 911 | defineWEProperty(internalOptions, 'usage', getOption( |
| 912 | 'usage', 'string', ['sort', 'search'], 'sort')); |
| 913 | |
| 914 | var sensitivity = getOption('sensitivity', 'string', |
| 915 | ['base', 'accent', 'case', 'variant']); |
| 916 | if (IS_UNDEFINED(sensitivity) && internalOptions.usage === 'sort') { |
| 917 | sensitivity = 'variant'; |
| 918 | } |
| 919 | defineWEProperty(internalOptions, 'sensitivity', sensitivity); |
| 920 | |
| 921 | defineWEProperty(internalOptions, 'ignorePunctuation', getOption( |
| 922 | 'ignorePunctuation', 'boolean', UNDEFINED, false)); |
| 923 | |
| 924 | var locale = resolveLocale('collator', locales, options); |
| 925 | |
| 926 | // ICU can't take kb, kc... parameters through localeID, so we need to pass |
| 927 | // them as options. |
| 928 | // One exception is -co- which has to be part of the extension, but only for |
| 929 | // usage: sort, and its value can't be 'standard' or 'search'. |
| 930 | var extensionMap = parseExtension(locale.extension); |
| 931 | |
| 932 | /** |
| 933 | * Map of Unicode extensions to option properties, and their values and types, |
| 934 | * for a collator. |
| 935 | */ |
| 936 | var COLLATOR_KEY_MAP = { |
| 937 | 'kn': {'property': 'numeric', 'type': 'boolean'}, |
| 938 | 'kf': {'property': 'caseFirst', 'type': 'string', |
| 939 | 'values': ['false', 'lower', 'upper']} |
| 940 | }; |
| 941 | |
| 942 | setOptions( |
| 943 | options, extensionMap, COLLATOR_KEY_MAP, getOption, internalOptions); |
| 944 | |
| 945 | var collation = 'default'; |
| 946 | var extension = ''; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 947 | if (HAS_OWN_PROPERTY(extensionMap, 'co') && internalOptions.usage === 'sort') { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 948 | |
| 949 | /** |
| 950 | * Allowed -u-co- values. List taken from: |
| 951 | * http://unicode.org/repos/cldr/trunk/common/bcp47/collation.xml |
| 952 | */ |
| 953 | var ALLOWED_CO_VALUES = [ |
| 954 | 'big5han', 'dict', 'direct', 'ducet', 'gb2312', 'phonebk', 'phonetic', |
| 955 | 'pinyin', 'reformed', 'searchjl', 'stroke', 'trad', 'unihan', 'zhuyin' |
| 956 | ]; |
| 957 | |
| 958 | if (%_Call(ArrayIndexOf, ALLOWED_CO_VALUES, extensionMap.co) !== -1) { |
| 959 | extension = '-u-co-' + extensionMap.co; |
| 960 | // ICU can't tell us what the collation is, so save user's input. |
| 961 | collation = extensionMap.co; |
| 962 | } |
| 963 | } else if (internalOptions.usage === 'search') { |
| 964 | extension = '-u-co-search'; |
| 965 | } |
| 966 | defineWEProperty(internalOptions, 'collation', collation); |
| 967 | |
| 968 | var requestedLocale = locale.locale + extension; |
| 969 | |
| 970 | // We define all properties C++ code may produce, to prevent security |
| 971 | // problems. If malicious user decides to redefine Object.prototype.locale |
| 972 | // we can't just use plain x.locale = 'us' or in C++ Set("locale", "us"). |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 973 | // %object_define_properties will either succeed defining or throw an error. |
| 974 | var resolved = %object_define_properties({}, { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 975 | caseFirst: {writable: true}, |
| 976 | collation: {value: internalOptions.collation, writable: true}, |
| 977 | ignorePunctuation: {writable: true}, |
| 978 | locale: {writable: true}, |
| 979 | numeric: {writable: true}, |
| 980 | requestedLocale: {value: requestedLocale, writable: true}, |
| 981 | sensitivity: {writable: true}, |
| 982 | strength: {writable: true}, |
| 983 | usage: {value: internalOptions.usage, writable: true} |
| 984 | }); |
| 985 | |
| 986 | var internalCollator = %CreateCollator(requestedLocale, |
| 987 | internalOptions, |
| 988 | resolved); |
| 989 | |
| 990 | // Writable, configurable and enumerable are set to false by default. |
| 991 | %MarkAsInitializedIntlObjectOfType(collator, 'collator', internalCollator); |
| 992 | collator[resolvedSymbol] = resolved; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 993 | if (FLAG_intl_extra) { |
| 994 | %object_define_property(collator, 'resolved', resolvedAccessor); |
| 995 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 996 | |
| 997 | return collator; |
| 998 | } |
| 999 | |
| 1000 | |
| 1001 | /** |
| 1002 | * Constructs Intl.Collator object given optional locales and options |
| 1003 | * parameters. |
| 1004 | * |
| 1005 | * @constructor |
| 1006 | */ |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1007 | InstallConstructor(Intl, 'Collator', function() { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1008 | var locales = arguments[0]; |
| 1009 | var options = arguments[1]; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1010 | |
| 1011 | if (!this || this === Intl) { |
| 1012 | // Constructor is called as a function. |
| 1013 | return new Intl.Collator(locales, options); |
| 1014 | } |
| 1015 | |
| 1016 | return initializeCollator(TO_OBJECT(this), locales, options); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1017 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1018 | ); |
| 1019 | |
| 1020 | |
| 1021 | /** |
| 1022 | * Collator resolvedOptions method. |
| 1023 | */ |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1024 | InstallFunction(Intl.Collator.prototype, 'resolvedOptions', function() { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1025 | if (!IS_UNDEFINED(new.target)) { |
| 1026 | throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| 1027 | } |
| 1028 | |
| 1029 | if (!%IsInitializedIntlObjectOfType(this, 'collator')) { |
| 1030 | throw MakeTypeError(kResolvedOptionsCalledOnNonObject, "Collator"); |
| 1031 | } |
| 1032 | |
| 1033 | var coll = this; |
| 1034 | var locale = getOptimalLanguageTag(coll[resolvedSymbol].requestedLocale, |
| 1035 | coll[resolvedSymbol].locale); |
| 1036 | |
| 1037 | return { |
| 1038 | locale: locale, |
| 1039 | usage: coll[resolvedSymbol].usage, |
| 1040 | sensitivity: coll[resolvedSymbol].sensitivity, |
| 1041 | ignorePunctuation: coll[resolvedSymbol].ignorePunctuation, |
| 1042 | numeric: coll[resolvedSymbol].numeric, |
| 1043 | caseFirst: coll[resolvedSymbol].caseFirst, |
| 1044 | collation: coll[resolvedSymbol].collation |
| 1045 | }; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1046 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1047 | ); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1048 | |
| 1049 | |
| 1050 | /** |
| 1051 | * Returns the subset of the given locale list for which this locale list |
| 1052 | * has a matching (possibly fallback) locale. Locales appear in the same |
| 1053 | * order in the returned list as in the input list. |
| 1054 | * Options are optional parameter. |
| 1055 | */ |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1056 | InstallFunction(Intl.Collator, 'supportedLocalesOf', function(locales) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1057 | if (!IS_UNDEFINED(new.target)) { |
| 1058 | throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| 1059 | } |
| 1060 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1061 | return supportedLocalesOf('collator', locales, arguments[1]); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1062 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1063 | ); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1064 | |
| 1065 | |
| 1066 | /** |
| 1067 | * When the compare method is called with two arguments x and y, it returns a |
| 1068 | * Number other than NaN that represents the result of a locale-sensitive |
| 1069 | * String comparison of x with y. |
| 1070 | * The result is intended to order String values in the sort order specified |
| 1071 | * by the effective locale and collation options computed during construction |
| 1072 | * of this Collator object, and will be negative, zero, or positive, depending |
| 1073 | * on whether x comes before y in the sort order, the Strings are equal under |
| 1074 | * the sort order, or x comes after y in the sort order, respectively. |
| 1075 | */ |
| 1076 | function compare(collator, x, y) { |
| 1077 | return %InternalCompare(%GetImplFromInitializedIntlObject(collator), |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1078 | TO_STRING(x), TO_STRING(y)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1079 | }; |
| 1080 | |
| 1081 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1082 | AddBoundMethod(Intl.Collator, 'compare', compare, 2, 'collator'); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1083 | |
| 1084 | /** |
| 1085 | * Verifies that the input is a well-formed ISO 4217 currency code. |
| 1086 | * Don't uppercase to test. It could convert invalid code into a valid one. |
| 1087 | * For example \u00DFP (Eszett+P) becomes SSP. |
| 1088 | */ |
| 1089 | function isWellFormedCurrencyCode(currency) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1090 | return typeof currency == "string" && currency.length == 3 && |
| 1091 | IS_NULL(InternalRegExpMatch(/[^A-Za-z]/, currency)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1092 | } |
| 1093 | |
| 1094 | |
| 1095 | /** |
| 1096 | * Returns the valid digit count for a property, or throws RangeError on |
| 1097 | * a value out of the range. |
| 1098 | */ |
| 1099 | function getNumberOption(options, property, min, max, fallback) { |
| 1100 | var value = options[property]; |
| 1101 | if (!IS_UNDEFINED(value)) { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1102 | value = TO_NUMBER(value); |
| 1103 | if (NUMBER_IS_NAN(value) || value < min || value > max) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1104 | throw MakeRangeError(kPropertyValueOutOfRange, property); |
| 1105 | } |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1106 | return %math_floor(value); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1107 | } |
| 1108 | |
| 1109 | return fallback; |
| 1110 | } |
| 1111 | |
| 1112 | var patternAccessor = { |
| 1113 | get() { |
| 1114 | %IncrementUseCounter(kIntlPattern); |
| 1115 | return this[patternSymbol]; |
| 1116 | }, |
| 1117 | set(value) { |
| 1118 | this[patternSymbol] = value; |
| 1119 | } |
| 1120 | }; |
| 1121 | |
| 1122 | /** |
| 1123 | * Initializes the given object so it's a valid NumberFormat instance. |
| 1124 | * Useful for subclassing. |
| 1125 | */ |
| 1126 | function initializeNumberFormat(numberFormat, locales, options) { |
| 1127 | if (%IsInitializedIntlObject(numberFormat)) { |
| 1128 | throw MakeTypeError(kReinitializeIntl, "NumberFormat"); |
| 1129 | } |
| 1130 | |
| 1131 | if (IS_UNDEFINED(options)) { |
| 1132 | options = {}; |
| 1133 | } |
| 1134 | |
| 1135 | var getOption = getGetOption(options, 'numberformat'); |
| 1136 | |
| 1137 | var locale = resolveLocale('numberformat', locales, options); |
| 1138 | |
| 1139 | var internalOptions = {}; |
| 1140 | defineWEProperty(internalOptions, 'style', getOption( |
| 1141 | 'style', 'string', ['decimal', 'percent', 'currency'], 'decimal')); |
| 1142 | |
| 1143 | var currency = getOption('currency', 'string'); |
| 1144 | if (!IS_UNDEFINED(currency) && !isWellFormedCurrencyCode(currency)) { |
| 1145 | throw MakeRangeError(kInvalidCurrencyCode, currency); |
| 1146 | } |
| 1147 | |
| 1148 | if (internalOptions.style === 'currency' && IS_UNDEFINED(currency)) { |
| 1149 | throw MakeTypeError(kCurrencyCode); |
| 1150 | } |
| 1151 | |
| 1152 | var currencyDisplay = getOption( |
| 1153 | 'currencyDisplay', 'string', ['code', 'symbol', 'name'], 'symbol'); |
| 1154 | if (internalOptions.style === 'currency') { |
| 1155 | defineWEProperty(internalOptions, 'currency', %StringToUpperCase(currency)); |
| 1156 | defineWEProperty(internalOptions, 'currencyDisplay', currencyDisplay); |
| 1157 | } |
| 1158 | |
| 1159 | // Digit ranges. |
| 1160 | var mnid = getNumberOption(options, 'minimumIntegerDigits', 1, 21, 1); |
| 1161 | defineWEProperty(internalOptions, 'minimumIntegerDigits', mnid); |
| 1162 | |
| 1163 | var mnfd = options['minimumFractionDigits']; |
| 1164 | var mxfd = options['maximumFractionDigits']; |
| 1165 | if (!IS_UNDEFINED(mnfd) || internalOptions.style !== 'currency') { |
| 1166 | mnfd = getNumberOption(options, 'minimumFractionDigits', 0, 20, 0); |
| 1167 | defineWEProperty(internalOptions, 'minimumFractionDigits', mnfd); |
| 1168 | } |
| 1169 | |
| 1170 | if (!IS_UNDEFINED(mxfd) || internalOptions.style !== 'currency') { |
| 1171 | var min_mxfd = internalOptions.style === 'percent' ? 0 : 3; |
| 1172 | mnfd = IS_UNDEFINED(mnfd) ? 0 : mnfd; |
| 1173 | var fallback_limit = (mnfd > min_mxfd) ? mnfd : min_mxfd; |
| 1174 | mxfd = getNumberOption(options, 'maximumFractionDigits', mnfd, 20, fallback_limit); |
| 1175 | defineWEProperty(internalOptions, 'maximumFractionDigits', mxfd); |
| 1176 | } |
| 1177 | |
| 1178 | var mnsd = options['minimumSignificantDigits']; |
| 1179 | var mxsd = options['maximumSignificantDigits']; |
| 1180 | if (!IS_UNDEFINED(mnsd) || !IS_UNDEFINED(mxsd)) { |
| 1181 | mnsd = getNumberOption(options, 'minimumSignificantDigits', 1, 21, 0); |
| 1182 | defineWEProperty(internalOptions, 'minimumSignificantDigits', mnsd); |
| 1183 | |
| 1184 | mxsd = getNumberOption(options, 'maximumSignificantDigits', mnsd, 21, 21); |
| 1185 | defineWEProperty(internalOptions, 'maximumSignificantDigits', mxsd); |
| 1186 | } |
| 1187 | |
| 1188 | // Grouping. |
| 1189 | defineWEProperty(internalOptions, 'useGrouping', getOption( |
| 1190 | 'useGrouping', 'boolean', UNDEFINED, true)); |
| 1191 | |
| 1192 | // ICU prefers options to be passed using -u- extension key/values for |
| 1193 | // number format, so we need to build that. |
| 1194 | var extensionMap = parseExtension(locale.extension); |
| 1195 | |
| 1196 | /** |
| 1197 | * Map of Unicode extensions to option properties, and their values and types, |
| 1198 | * for a number format. |
| 1199 | */ |
| 1200 | var NUMBER_FORMAT_KEY_MAP = { |
| 1201 | 'nu': {'property': UNDEFINED, 'type': 'string'} |
| 1202 | }; |
| 1203 | |
| 1204 | var extension = setOptions(options, extensionMap, NUMBER_FORMAT_KEY_MAP, |
| 1205 | getOption, internalOptions); |
| 1206 | |
| 1207 | var requestedLocale = locale.locale + extension; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1208 | var resolved = %object_define_properties({}, { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1209 | currency: {writable: true}, |
| 1210 | currencyDisplay: {writable: true}, |
| 1211 | locale: {writable: true}, |
| 1212 | maximumFractionDigits: {writable: true}, |
| 1213 | minimumFractionDigits: {writable: true}, |
| 1214 | minimumIntegerDigits: {writable: true}, |
| 1215 | numberingSystem: {writable: true}, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1216 | requestedLocale: {value: requestedLocale, writable: true}, |
| 1217 | style: {value: internalOptions.style, writable: true}, |
| 1218 | useGrouping: {writable: true} |
| 1219 | }); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1220 | if (HAS_OWN_PROPERTY(internalOptions, 'minimumSignificantDigits')) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1221 | defineWEProperty(resolved, 'minimumSignificantDigits', UNDEFINED); |
| 1222 | } |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1223 | if (HAS_OWN_PROPERTY(internalOptions, 'maximumSignificantDigits')) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1224 | defineWEProperty(resolved, 'maximumSignificantDigits', UNDEFINED); |
| 1225 | } |
| 1226 | var formatter = %CreateNumberFormat(requestedLocale, |
| 1227 | internalOptions, |
| 1228 | resolved); |
| 1229 | |
| 1230 | if (internalOptions.style === 'currency') { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1231 | %object_define_property(resolved, 'currencyDisplay', |
| 1232 | {value: currencyDisplay, writable: true}); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1233 | } |
| 1234 | |
| 1235 | %MarkAsInitializedIntlObjectOfType(numberFormat, 'numberformat', formatter); |
| 1236 | numberFormat[resolvedSymbol] = resolved; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1237 | if (FLAG_intl_extra) { |
| 1238 | %object_define_property(resolved, 'pattern', patternAccessor); |
| 1239 | %object_define_property(numberFormat, 'resolved', resolvedAccessor); |
| 1240 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1241 | |
| 1242 | return numberFormat; |
| 1243 | } |
| 1244 | |
| 1245 | |
| 1246 | /** |
| 1247 | * Constructs Intl.NumberFormat object given optional locales and options |
| 1248 | * parameters. |
| 1249 | * |
| 1250 | * @constructor |
| 1251 | */ |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1252 | InstallConstructor(Intl, 'NumberFormat', function() { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1253 | var locales = arguments[0]; |
| 1254 | var options = arguments[1]; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1255 | |
| 1256 | if (!this || this === Intl) { |
| 1257 | // Constructor is called as a function. |
| 1258 | return new Intl.NumberFormat(locales, options); |
| 1259 | } |
| 1260 | |
| 1261 | return initializeNumberFormat(TO_OBJECT(this), locales, options); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1262 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1263 | ); |
| 1264 | |
| 1265 | |
| 1266 | /** |
| 1267 | * NumberFormat resolvedOptions method. |
| 1268 | */ |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1269 | InstallFunction(Intl.NumberFormat.prototype, 'resolvedOptions', function() { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1270 | if (!IS_UNDEFINED(new.target)) { |
| 1271 | throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| 1272 | } |
| 1273 | |
| 1274 | if (!%IsInitializedIntlObjectOfType(this, 'numberformat')) { |
| 1275 | throw MakeTypeError(kResolvedOptionsCalledOnNonObject, "NumberFormat"); |
| 1276 | } |
| 1277 | |
| 1278 | var format = this; |
| 1279 | var locale = getOptimalLanguageTag(format[resolvedSymbol].requestedLocale, |
| 1280 | format[resolvedSymbol].locale); |
| 1281 | |
| 1282 | var result = { |
| 1283 | locale: locale, |
| 1284 | numberingSystem: format[resolvedSymbol].numberingSystem, |
| 1285 | style: format[resolvedSymbol].style, |
| 1286 | useGrouping: format[resolvedSymbol].useGrouping, |
| 1287 | minimumIntegerDigits: format[resolvedSymbol].minimumIntegerDigits, |
| 1288 | minimumFractionDigits: format[resolvedSymbol].minimumFractionDigits, |
| 1289 | maximumFractionDigits: format[resolvedSymbol].maximumFractionDigits, |
| 1290 | }; |
| 1291 | |
| 1292 | if (result.style === 'currency') { |
| 1293 | defineWECProperty(result, 'currency', format[resolvedSymbol].currency); |
| 1294 | defineWECProperty(result, 'currencyDisplay', |
| 1295 | format[resolvedSymbol].currencyDisplay); |
| 1296 | } |
| 1297 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1298 | if (HAS_OWN_PROPERTY(format[resolvedSymbol], 'minimumSignificantDigits')) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1299 | defineWECProperty(result, 'minimumSignificantDigits', |
| 1300 | format[resolvedSymbol].minimumSignificantDigits); |
| 1301 | } |
| 1302 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1303 | if (HAS_OWN_PROPERTY(format[resolvedSymbol], 'maximumSignificantDigits')) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1304 | defineWECProperty(result, 'maximumSignificantDigits', |
| 1305 | format[resolvedSymbol].maximumSignificantDigits); |
| 1306 | } |
| 1307 | |
| 1308 | return result; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1309 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1310 | ); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1311 | |
| 1312 | |
| 1313 | /** |
| 1314 | * Returns the subset of the given locale list for which this locale list |
| 1315 | * has a matching (possibly fallback) locale. Locales appear in the same |
| 1316 | * order in the returned list as in the input list. |
| 1317 | * Options are optional parameter. |
| 1318 | */ |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1319 | InstallFunction(Intl.NumberFormat, 'supportedLocalesOf', function(locales) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1320 | if (!IS_UNDEFINED(new.target)) { |
| 1321 | throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| 1322 | } |
| 1323 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1324 | return supportedLocalesOf('numberformat', locales, arguments[1]); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1325 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1326 | ); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1327 | |
| 1328 | |
| 1329 | /** |
| 1330 | * Returns a String value representing the result of calling ToNumber(value) |
| 1331 | * according to the effective locale and the formatting options of this |
| 1332 | * NumberFormat. |
| 1333 | */ |
| 1334 | function formatNumber(formatter, value) { |
| 1335 | // Spec treats -0 and +0 as 0. |
| 1336 | var number = TO_NUMBER(value) + 0; |
| 1337 | |
| 1338 | return %InternalNumberFormat(%GetImplFromInitializedIntlObject(formatter), |
| 1339 | number); |
| 1340 | } |
| 1341 | |
| 1342 | |
| 1343 | /** |
| 1344 | * Returns a Number that represents string value that was passed in. |
| 1345 | */ |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1346 | function IntlParseNumber(formatter, value) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1347 | return %InternalNumberParse(%GetImplFromInitializedIntlObject(formatter), |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1348 | TO_STRING(value)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1349 | } |
| 1350 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1351 | AddBoundMethod(Intl.NumberFormat, 'format', formatNumber, 1, 'numberformat'); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1352 | |
| 1353 | /** |
| 1354 | * Returns a string that matches LDML representation of the options object. |
| 1355 | */ |
| 1356 | function toLDMLString(options) { |
| 1357 | var getOption = getGetOption(options, 'dateformat'); |
| 1358 | |
| 1359 | var ldmlString = ''; |
| 1360 | |
| 1361 | var option = getOption('weekday', 'string', ['narrow', 'short', 'long']); |
| 1362 | ldmlString += appendToLDMLString( |
| 1363 | option, {narrow: 'EEEEE', short: 'EEE', long: 'EEEE'}); |
| 1364 | |
| 1365 | option = getOption('era', 'string', ['narrow', 'short', 'long']); |
| 1366 | ldmlString += appendToLDMLString( |
| 1367 | option, {narrow: 'GGGGG', short: 'GGG', long: 'GGGG'}); |
| 1368 | |
| 1369 | option = getOption('year', 'string', ['2-digit', 'numeric']); |
| 1370 | ldmlString += appendToLDMLString(option, {'2-digit': 'yy', 'numeric': 'y'}); |
| 1371 | |
| 1372 | option = getOption('month', 'string', |
| 1373 | ['2-digit', 'numeric', 'narrow', 'short', 'long']); |
| 1374 | ldmlString += appendToLDMLString(option, {'2-digit': 'MM', 'numeric': 'M', |
| 1375 | 'narrow': 'MMMMM', 'short': 'MMM', 'long': 'MMMM'}); |
| 1376 | |
| 1377 | option = getOption('day', 'string', ['2-digit', 'numeric']); |
| 1378 | ldmlString += appendToLDMLString( |
| 1379 | option, {'2-digit': 'dd', 'numeric': 'd'}); |
| 1380 | |
| 1381 | var hr12 = getOption('hour12', 'boolean'); |
| 1382 | option = getOption('hour', 'string', ['2-digit', 'numeric']); |
| 1383 | if (IS_UNDEFINED(hr12)) { |
| 1384 | ldmlString += appendToLDMLString(option, {'2-digit': 'jj', 'numeric': 'j'}); |
| 1385 | } else if (hr12 === true) { |
| 1386 | ldmlString += appendToLDMLString(option, {'2-digit': 'hh', 'numeric': 'h'}); |
| 1387 | } else { |
| 1388 | ldmlString += appendToLDMLString(option, {'2-digit': 'HH', 'numeric': 'H'}); |
| 1389 | } |
| 1390 | |
| 1391 | option = getOption('minute', 'string', ['2-digit', 'numeric']); |
| 1392 | ldmlString += appendToLDMLString(option, {'2-digit': 'mm', 'numeric': 'm'}); |
| 1393 | |
| 1394 | option = getOption('second', 'string', ['2-digit', 'numeric']); |
| 1395 | ldmlString += appendToLDMLString(option, {'2-digit': 'ss', 'numeric': 's'}); |
| 1396 | |
| 1397 | option = getOption('timeZoneName', 'string', ['short', 'long']); |
| 1398 | ldmlString += appendToLDMLString(option, {short: 'z', long: 'zzzz'}); |
| 1399 | |
| 1400 | return ldmlString; |
| 1401 | } |
| 1402 | |
| 1403 | |
| 1404 | /** |
| 1405 | * Returns either LDML equivalent of the current option or empty string. |
| 1406 | */ |
| 1407 | function appendToLDMLString(option, pairs) { |
| 1408 | if (!IS_UNDEFINED(option)) { |
| 1409 | return pairs[option]; |
| 1410 | } else { |
| 1411 | return ''; |
| 1412 | } |
| 1413 | } |
| 1414 | |
| 1415 | |
| 1416 | /** |
| 1417 | * Returns object that matches LDML representation of the date. |
| 1418 | */ |
| 1419 | function fromLDMLString(ldmlString) { |
| 1420 | // First remove '' quoted text, so we lose 'Uhr' strings. |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1421 | ldmlString = InternalRegExpReplace(GetQuotedStringRE(), ldmlString, ''); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1422 | |
| 1423 | var options = {}; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1424 | var match = InternalRegExpMatch(/E{3,5}/, ldmlString); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1425 | options = appendToDateTimeObject( |
| 1426 | options, 'weekday', match, {EEEEE: 'narrow', EEE: 'short', EEEE: 'long'}); |
| 1427 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1428 | match = InternalRegExpMatch(/G{3,5}/, ldmlString); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1429 | options = appendToDateTimeObject( |
| 1430 | options, 'era', match, {GGGGG: 'narrow', GGG: 'short', GGGG: 'long'}); |
| 1431 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1432 | match = InternalRegExpMatch(/y{1,2}/, ldmlString); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1433 | options = appendToDateTimeObject( |
| 1434 | options, 'year', match, {y: 'numeric', yy: '2-digit'}); |
| 1435 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1436 | match = InternalRegExpMatch(/M{1,5}/, ldmlString); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1437 | options = appendToDateTimeObject(options, 'month', match, {MM: '2-digit', |
| 1438 | M: 'numeric', MMMMM: 'narrow', MMM: 'short', MMMM: 'long'}); |
| 1439 | |
| 1440 | // Sometimes we get L instead of M for month - standalone name. |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1441 | match = InternalRegExpMatch(/L{1,5}/, ldmlString); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1442 | options = appendToDateTimeObject(options, 'month', match, {LL: '2-digit', |
| 1443 | L: 'numeric', LLLLL: 'narrow', LLL: 'short', LLLL: 'long'}); |
| 1444 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1445 | match = InternalRegExpMatch(/d{1,2}/, ldmlString); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1446 | options = appendToDateTimeObject( |
| 1447 | options, 'day', match, {d: 'numeric', dd: '2-digit'}); |
| 1448 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1449 | match = InternalRegExpMatch(/h{1,2}/, ldmlString); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1450 | if (match !== null) { |
| 1451 | options['hour12'] = true; |
| 1452 | } |
| 1453 | options = appendToDateTimeObject( |
| 1454 | options, 'hour', match, {h: 'numeric', hh: '2-digit'}); |
| 1455 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1456 | match = InternalRegExpMatch(/H{1,2}/, ldmlString); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1457 | if (match !== null) { |
| 1458 | options['hour12'] = false; |
| 1459 | } |
| 1460 | options = appendToDateTimeObject( |
| 1461 | options, 'hour', match, {H: 'numeric', HH: '2-digit'}); |
| 1462 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1463 | match = InternalRegExpMatch(/m{1,2}/, ldmlString); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1464 | options = appendToDateTimeObject( |
| 1465 | options, 'minute', match, {m: 'numeric', mm: '2-digit'}); |
| 1466 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1467 | match = InternalRegExpMatch(/s{1,2}/, ldmlString); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1468 | options = appendToDateTimeObject( |
| 1469 | options, 'second', match, {s: 'numeric', ss: '2-digit'}); |
| 1470 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1471 | match = InternalRegExpMatch(/z|zzzz/, ldmlString); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1472 | options = appendToDateTimeObject( |
| 1473 | options, 'timeZoneName', match, {z: 'short', zzzz: 'long'}); |
| 1474 | |
| 1475 | return options; |
| 1476 | } |
| 1477 | |
| 1478 | |
| 1479 | function appendToDateTimeObject(options, option, match, pairs) { |
| 1480 | if (IS_NULL(match)) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1481 | if (!HAS_OWN_PROPERTY(options, option)) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1482 | defineWEProperty(options, option, UNDEFINED); |
| 1483 | } |
| 1484 | return options; |
| 1485 | } |
| 1486 | |
| 1487 | var property = match[0]; |
| 1488 | defineWEProperty(options, option, pairs[property]); |
| 1489 | |
| 1490 | return options; |
| 1491 | } |
| 1492 | |
| 1493 | |
| 1494 | /** |
| 1495 | * Returns options with at least default values in it. |
| 1496 | */ |
| 1497 | function toDateTimeOptions(options, required, defaults) { |
| 1498 | if (IS_UNDEFINED(options)) { |
| 1499 | options = {}; |
| 1500 | } else { |
| 1501 | options = TO_OBJECT(options); |
| 1502 | } |
| 1503 | |
| 1504 | var needsDefault = true; |
| 1505 | if ((required === 'date' || required === 'any') && |
| 1506 | (!IS_UNDEFINED(options.weekday) || !IS_UNDEFINED(options.year) || |
| 1507 | !IS_UNDEFINED(options.month) || !IS_UNDEFINED(options.day))) { |
| 1508 | needsDefault = false; |
| 1509 | } |
| 1510 | |
| 1511 | if ((required === 'time' || required === 'any') && |
| 1512 | (!IS_UNDEFINED(options.hour) || !IS_UNDEFINED(options.minute) || |
| 1513 | !IS_UNDEFINED(options.second))) { |
| 1514 | needsDefault = false; |
| 1515 | } |
| 1516 | |
| 1517 | if (needsDefault && (defaults === 'date' || defaults === 'all')) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1518 | %object_define_property(options, 'year', {value: 'numeric', |
| 1519 | writable: true, |
| 1520 | enumerable: true, |
| 1521 | configurable: true}); |
| 1522 | %object_define_property(options, 'month', {value: 'numeric', |
| 1523 | writable: true, |
| 1524 | enumerable: true, |
| 1525 | configurable: true}); |
| 1526 | %object_define_property(options, 'day', {value: 'numeric', |
| 1527 | writable: true, |
| 1528 | enumerable: true, |
| 1529 | configurable: true}); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1530 | } |
| 1531 | |
| 1532 | if (needsDefault && (defaults === 'time' || defaults === 'all')) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1533 | %object_define_property(options, 'hour', {value: 'numeric', |
| 1534 | writable: true, |
| 1535 | enumerable: true, |
| 1536 | configurable: true}); |
| 1537 | %object_define_property(options, 'minute', {value: 'numeric', |
| 1538 | writable: true, |
| 1539 | enumerable: true, |
| 1540 | configurable: true}); |
| 1541 | %object_define_property(options, 'second', {value: 'numeric', |
| 1542 | writable: true, |
| 1543 | enumerable: true, |
| 1544 | configurable: true}); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1545 | } |
| 1546 | |
| 1547 | return options; |
| 1548 | } |
| 1549 | |
| 1550 | |
| 1551 | /** |
| 1552 | * Initializes the given object so it's a valid DateTimeFormat instance. |
| 1553 | * Useful for subclassing. |
| 1554 | */ |
| 1555 | function initializeDateTimeFormat(dateFormat, locales, options) { |
| 1556 | |
| 1557 | if (%IsInitializedIntlObject(dateFormat)) { |
| 1558 | throw MakeTypeError(kReinitializeIntl, "DateTimeFormat"); |
| 1559 | } |
| 1560 | |
| 1561 | if (IS_UNDEFINED(options)) { |
| 1562 | options = {}; |
| 1563 | } |
| 1564 | |
| 1565 | var locale = resolveLocale('dateformat', locales, options); |
| 1566 | |
| 1567 | options = toDateTimeOptions(options, 'any', 'date'); |
| 1568 | |
| 1569 | var getOption = getGetOption(options, 'dateformat'); |
| 1570 | |
| 1571 | // We implement only best fit algorithm, but still need to check |
| 1572 | // if the formatMatcher values are in range. |
| 1573 | var matcher = getOption('formatMatcher', 'string', |
| 1574 | ['basic', 'best fit'], 'best fit'); |
| 1575 | |
| 1576 | // Build LDML string for the skeleton that we pass to the formatter. |
| 1577 | var ldmlString = toLDMLString(options); |
| 1578 | |
| 1579 | // Filter out supported extension keys so we know what to put in resolved |
| 1580 | // section later on. |
| 1581 | // We need to pass calendar and number system to the method. |
| 1582 | var tz = canonicalizeTimeZoneID(options.timeZone); |
| 1583 | |
| 1584 | // ICU prefers options to be passed using -u- extension key/values, so |
| 1585 | // we need to build that. |
| 1586 | var internalOptions = {}; |
| 1587 | var extensionMap = parseExtension(locale.extension); |
| 1588 | |
| 1589 | /** |
| 1590 | * Map of Unicode extensions to option properties, and their values and types, |
| 1591 | * for a date/time format. |
| 1592 | */ |
| 1593 | var DATETIME_FORMAT_KEY_MAP = { |
| 1594 | 'ca': {'property': UNDEFINED, 'type': 'string'}, |
| 1595 | 'nu': {'property': UNDEFINED, 'type': 'string'} |
| 1596 | }; |
| 1597 | |
| 1598 | var extension = setOptions(options, extensionMap, DATETIME_FORMAT_KEY_MAP, |
| 1599 | getOption, internalOptions); |
| 1600 | |
| 1601 | var requestedLocale = locale.locale + extension; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1602 | var resolved = %object_define_properties({}, { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1603 | calendar: {writable: true}, |
| 1604 | day: {writable: true}, |
| 1605 | era: {writable: true}, |
| 1606 | hour12: {writable: true}, |
| 1607 | hour: {writable: true}, |
| 1608 | locale: {writable: true}, |
| 1609 | minute: {writable: true}, |
| 1610 | month: {writable: true}, |
| 1611 | numberingSystem: {writable: true}, |
| 1612 | [patternSymbol]: {writable: true}, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1613 | requestedLocale: {value: requestedLocale, writable: true}, |
| 1614 | second: {writable: true}, |
| 1615 | timeZone: {writable: true}, |
| 1616 | timeZoneName: {writable: true}, |
| 1617 | tz: {value: tz, writable: true}, |
| 1618 | weekday: {writable: true}, |
| 1619 | year: {writable: true} |
| 1620 | }); |
| 1621 | |
| 1622 | var formatter = %CreateDateTimeFormat( |
| 1623 | requestedLocale, {skeleton: ldmlString, timeZone: tz}, resolved); |
| 1624 | |
| 1625 | if (resolved.timeZone === "Etc/Unknown") { |
| 1626 | throw MakeRangeError(kUnsupportedTimeZone, tz); |
| 1627 | } |
| 1628 | |
| 1629 | %MarkAsInitializedIntlObjectOfType(dateFormat, 'dateformat', formatter); |
| 1630 | dateFormat[resolvedSymbol] = resolved; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1631 | if (FLAG_intl_extra) { |
| 1632 | %object_define_property(resolved, 'pattern', patternAccessor); |
| 1633 | %object_define_property(dateFormat, 'resolved', resolvedAccessor); |
| 1634 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1635 | |
| 1636 | return dateFormat; |
| 1637 | } |
| 1638 | |
| 1639 | |
| 1640 | /** |
| 1641 | * Constructs Intl.DateTimeFormat object given optional locales and options |
| 1642 | * parameters. |
| 1643 | * |
| 1644 | * @constructor |
| 1645 | */ |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1646 | InstallConstructor(Intl, 'DateTimeFormat', function() { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1647 | var locales = arguments[0]; |
| 1648 | var options = arguments[1]; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1649 | |
| 1650 | if (!this || this === Intl) { |
| 1651 | // Constructor is called as a function. |
| 1652 | return new Intl.DateTimeFormat(locales, options); |
| 1653 | } |
| 1654 | |
| 1655 | return initializeDateTimeFormat(TO_OBJECT(this), locales, options); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1656 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1657 | ); |
| 1658 | |
| 1659 | |
| 1660 | /** |
| 1661 | * DateTimeFormat resolvedOptions method. |
| 1662 | */ |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1663 | InstallFunction(Intl.DateTimeFormat.prototype, 'resolvedOptions', function() { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1664 | if (!IS_UNDEFINED(new.target)) { |
| 1665 | throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| 1666 | } |
| 1667 | |
| 1668 | if (!%IsInitializedIntlObjectOfType(this, 'dateformat')) { |
| 1669 | throw MakeTypeError(kResolvedOptionsCalledOnNonObject, "DateTimeFormat"); |
| 1670 | } |
| 1671 | |
| 1672 | /** |
| 1673 | * Maps ICU calendar names into LDML type. |
| 1674 | */ |
| 1675 | var ICU_CALENDAR_MAP = { |
| 1676 | 'gregorian': 'gregory', |
| 1677 | 'japanese': 'japanese', |
| 1678 | 'buddhist': 'buddhist', |
| 1679 | 'roc': 'roc', |
| 1680 | 'persian': 'persian', |
| 1681 | 'islamic-civil': 'islamicc', |
| 1682 | 'islamic': 'islamic', |
| 1683 | 'hebrew': 'hebrew', |
| 1684 | 'chinese': 'chinese', |
| 1685 | 'indian': 'indian', |
| 1686 | 'coptic': 'coptic', |
| 1687 | 'ethiopic': 'ethiopic', |
| 1688 | 'ethiopic-amete-alem': 'ethioaa' |
| 1689 | }; |
| 1690 | |
| 1691 | var format = this; |
| 1692 | var fromPattern = fromLDMLString(format[resolvedSymbol][patternSymbol]); |
| 1693 | var userCalendar = ICU_CALENDAR_MAP[format[resolvedSymbol].calendar]; |
| 1694 | if (IS_UNDEFINED(userCalendar)) { |
| 1695 | // Use ICU name if we don't have a match. It shouldn't happen, but |
| 1696 | // it would be too strict to throw for this. |
| 1697 | userCalendar = format[resolvedSymbol].calendar; |
| 1698 | } |
| 1699 | |
| 1700 | var locale = getOptimalLanguageTag(format[resolvedSymbol].requestedLocale, |
| 1701 | format[resolvedSymbol].locale); |
| 1702 | |
| 1703 | var result = { |
| 1704 | locale: locale, |
| 1705 | numberingSystem: format[resolvedSymbol].numberingSystem, |
| 1706 | calendar: userCalendar, |
| 1707 | timeZone: format[resolvedSymbol].timeZone |
| 1708 | }; |
| 1709 | |
| 1710 | addWECPropertyIfDefined(result, 'timeZoneName', fromPattern.timeZoneName); |
| 1711 | addWECPropertyIfDefined(result, 'era', fromPattern.era); |
| 1712 | addWECPropertyIfDefined(result, 'year', fromPattern.year); |
| 1713 | addWECPropertyIfDefined(result, 'month', fromPattern.month); |
| 1714 | addWECPropertyIfDefined(result, 'day', fromPattern.day); |
| 1715 | addWECPropertyIfDefined(result, 'weekday', fromPattern.weekday); |
| 1716 | addWECPropertyIfDefined(result, 'hour12', fromPattern.hour12); |
| 1717 | addWECPropertyIfDefined(result, 'hour', fromPattern.hour); |
| 1718 | addWECPropertyIfDefined(result, 'minute', fromPattern.minute); |
| 1719 | addWECPropertyIfDefined(result, 'second', fromPattern.second); |
| 1720 | |
| 1721 | return result; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1722 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1723 | ); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1724 | |
| 1725 | |
| 1726 | /** |
| 1727 | * Returns the subset of the given locale list for which this locale list |
| 1728 | * has a matching (possibly fallback) locale. Locales appear in the same |
| 1729 | * order in the returned list as in the input list. |
| 1730 | * Options are optional parameter. |
| 1731 | */ |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1732 | InstallFunction(Intl.DateTimeFormat, 'supportedLocalesOf', function(locales) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1733 | if (!IS_UNDEFINED(new.target)) { |
| 1734 | throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| 1735 | } |
| 1736 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1737 | return supportedLocalesOf('dateformat', locales, arguments[1]); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1738 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1739 | ); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1740 | |
| 1741 | |
| 1742 | /** |
| 1743 | * Returns a String value representing the result of calling ToNumber(date) |
| 1744 | * according to the effective locale and the formatting options of this |
| 1745 | * DateTimeFormat. |
| 1746 | */ |
| 1747 | function formatDate(formatter, dateValue) { |
| 1748 | var dateMs; |
| 1749 | if (IS_UNDEFINED(dateValue)) { |
| 1750 | dateMs = %DateCurrentTime(); |
| 1751 | } else { |
| 1752 | dateMs = TO_NUMBER(dateValue); |
| 1753 | } |
| 1754 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1755 | if (!NUMBER_IS_FINITE(dateMs)) throw MakeRangeError(kDateRange); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1756 | |
| 1757 | return %InternalDateFormat(%GetImplFromInitializedIntlObject(formatter), |
| 1758 | new GlobalDate(dateMs)); |
| 1759 | } |
| 1760 | |
| 1761 | |
| 1762 | /** |
| 1763 | * Returns a Date object representing the result of calling ToString(value) |
| 1764 | * according to the effective locale and the formatting options of this |
| 1765 | * DateTimeFormat. |
| 1766 | * Returns undefined if date string cannot be parsed. |
| 1767 | */ |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1768 | function IntlParseDate(formatter, value) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1769 | return %InternalDateParse(%GetImplFromInitializedIntlObject(formatter), |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1770 | TO_STRING(value)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1771 | } |
| 1772 | |
| 1773 | |
| 1774 | // 0 because date is optional argument. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1775 | AddBoundMethod(Intl.DateTimeFormat, 'format', formatDate, 0, 'dateformat'); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1776 | |
| 1777 | |
| 1778 | /** |
| 1779 | * Returns canonical Area/Location(/Location) name, or throws an exception |
| 1780 | * if the zone name is invalid IANA name. |
| 1781 | */ |
| 1782 | function canonicalizeTimeZoneID(tzID) { |
| 1783 | // Skip undefined zones. |
| 1784 | if (IS_UNDEFINED(tzID)) { |
| 1785 | return tzID; |
| 1786 | } |
| 1787 | |
| 1788 | // Special case handling (UTC, GMT). |
| 1789 | var upperID = %StringToUpperCase(tzID); |
| 1790 | if (upperID === 'UTC' || upperID === 'GMT' || |
| 1791 | upperID === 'ETC/UTC' || upperID === 'ETC/GMT') { |
| 1792 | return 'UTC'; |
| 1793 | } |
| 1794 | |
| 1795 | // TODO(jshin): Add support for Etc/GMT[+-]([1-9]|1[0-2]) |
| 1796 | |
| 1797 | // We expect only _, '-' and / beside ASCII letters. |
| 1798 | // All inputs should conform to Area/Location(/Location)* from now on. |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1799 | var match = InternalRegExpMatch(GetTimezoneNameCheckRE(), tzID); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1800 | if (IS_NULL(match)) throw MakeRangeError(kExpectedTimezoneID, tzID); |
| 1801 | |
| 1802 | var result = toTitleCaseTimezoneLocation(match[1]) + '/' + |
| 1803 | toTitleCaseTimezoneLocation(match[2]); |
| 1804 | |
| 1805 | if (!IS_UNDEFINED(match[3]) && 3 < match.length) { |
| 1806 | var locations = %_Call(StringSplit, match[3], '/'); |
| 1807 | // The 1st element is empty. Starts with i=1. |
| 1808 | for (var i = 1; i < locations.length; i++) { |
| 1809 | result = result + '/' + toTitleCaseTimezoneLocation(locations[i]); |
| 1810 | } |
| 1811 | } |
| 1812 | |
| 1813 | return result; |
| 1814 | } |
| 1815 | |
| 1816 | /** |
| 1817 | * Initializes the given object so it's a valid BreakIterator instance. |
| 1818 | * Useful for subclassing. |
| 1819 | */ |
| 1820 | function initializeBreakIterator(iterator, locales, options) { |
| 1821 | if (%IsInitializedIntlObject(iterator)) { |
| 1822 | throw MakeTypeError(kReinitializeIntl, "v8BreakIterator"); |
| 1823 | } |
| 1824 | |
| 1825 | if (IS_UNDEFINED(options)) { |
| 1826 | options = {}; |
| 1827 | } |
| 1828 | |
| 1829 | var getOption = getGetOption(options, 'breakiterator'); |
| 1830 | |
| 1831 | var internalOptions = {}; |
| 1832 | |
| 1833 | defineWEProperty(internalOptions, 'type', getOption( |
| 1834 | 'type', 'string', ['character', 'word', 'sentence', 'line'], 'word')); |
| 1835 | |
| 1836 | var locale = resolveLocale('breakiterator', locales, options); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1837 | var resolved = %object_define_properties({}, { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1838 | requestedLocale: {value: locale.locale, writable: true}, |
| 1839 | type: {value: internalOptions.type, writable: true}, |
| 1840 | locale: {writable: true} |
| 1841 | }); |
| 1842 | |
| 1843 | var internalIterator = %CreateBreakIterator(locale.locale, |
| 1844 | internalOptions, |
| 1845 | resolved); |
| 1846 | |
| 1847 | %MarkAsInitializedIntlObjectOfType(iterator, 'breakiterator', |
| 1848 | internalIterator); |
| 1849 | iterator[resolvedSymbol] = resolved; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1850 | if (FLAG_intl_extra) { |
| 1851 | %object_define_property(iterator, 'resolved', resolvedAccessor); |
| 1852 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1853 | |
| 1854 | return iterator; |
| 1855 | } |
| 1856 | |
| 1857 | |
| 1858 | /** |
| 1859 | * Constructs Intl.v8BreakIterator object given optional locales and options |
| 1860 | * parameters. |
| 1861 | * |
| 1862 | * @constructor |
| 1863 | */ |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1864 | InstallConstructor(Intl, 'v8BreakIterator', function() { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1865 | var locales = arguments[0]; |
| 1866 | var options = arguments[1]; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1867 | |
| 1868 | if (!this || this === Intl) { |
| 1869 | // Constructor is called as a function. |
| 1870 | return new Intl.v8BreakIterator(locales, options); |
| 1871 | } |
| 1872 | |
| 1873 | return initializeBreakIterator(TO_OBJECT(this), locales, options); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1874 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1875 | ); |
| 1876 | |
| 1877 | |
| 1878 | /** |
| 1879 | * BreakIterator resolvedOptions method. |
| 1880 | */ |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1881 | InstallFunction(Intl.v8BreakIterator.prototype, 'resolvedOptions', |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1882 | function() { |
| 1883 | if (!IS_UNDEFINED(new.target)) { |
| 1884 | throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| 1885 | } |
| 1886 | |
| 1887 | if (!%IsInitializedIntlObjectOfType(this, 'breakiterator')) { |
| 1888 | throw MakeTypeError(kResolvedOptionsCalledOnNonObject, "v8BreakIterator"); |
| 1889 | } |
| 1890 | |
| 1891 | var segmenter = this; |
| 1892 | var locale = |
| 1893 | getOptimalLanguageTag(segmenter[resolvedSymbol].requestedLocale, |
| 1894 | segmenter[resolvedSymbol].locale); |
| 1895 | |
| 1896 | return { |
| 1897 | locale: locale, |
| 1898 | type: segmenter[resolvedSymbol].type |
| 1899 | }; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1900 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1901 | ); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1902 | |
| 1903 | |
| 1904 | /** |
| 1905 | * Returns the subset of the given locale list for which this locale list |
| 1906 | * has a matching (possibly fallback) locale. Locales appear in the same |
| 1907 | * order in the returned list as in the input list. |
| 1908 | * Options are optional parameter. |
| 1909 | */ |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1910 | InstallFunction(Intl.v8BreakIterator, 'supportedLocalesOf', |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1911 | function(locales) { |
| 1912 | if (!IS_UNDEFINED(new.target)) { |
| 1913 | throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| 1914 | } |
| 1915 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1916 | return supportedLocalesOf('breakiterator', locales, arguments[1]); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1917 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1918 | ); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1919 | |
| 1920 | |
| 1921 | /** |
| 1922 | * Adopts text to segment using the iterator. Old text, if present, |
| 1923 | * gets discarded. |
| 1924 | */ |
| 1925 | function adoptText(iterator, text) { |
| 1926 | %BreakIteratorAdoptText(%GetImplFromInitializedIntlObject(iterator), |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1927 | TO_STRING(text)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1928 | } |
| 1929 | |
| 1930 | |
| 1931 | /** |
| 1932 | * Returns index of the first break in the string and moves current pointer. |
| 1933 | */ |
| 1934 | function first(iterator) { |
| 1935 | return %BreakIteratorFirst(%GetImplFromInitializedIntlObject(iterator)); |
| 1936 | } |
| 1937 | |
| 1938 | |
| 1939 | /** |
| 1940 | * Returns the index of the next break and moves the pointer. |
| 1941 | */ |
| 1942 | function next(iterator) { |
| 1943 | return %BreakIteratorNext(%GetImplFromInitializedIntlObject(iterator)); |
| 1944 | } |
| 1945 | |
| 1946 | |
| 1947 | /** |
| 1948 | * Returns index of the current break. |
| 1949 | */ |
| 1950 | function current(iterator) { |
| 1951 | return %BreakIteratorCurrent(%GetImplFromInitializedIntlObject(iterator)); |
| 1952 | } |
| 1953 | |
| 1954 | |
| 1955 | /** |
| 1956 | * Returns type of the current break. |
| 1957 | */ |
| 1958 | function breakType(iterator) { |
| 1959 | return %BreakIteratorBreakType(%GetImplFromInitializedIntlObject(iterator)); |
| 1960 | } |
| 1961 | |
| 1962 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1963 | AddBoundMethod(Intl.v8BreakIterator, 'adoptText', adoptText, 1, |
| 1964 | 'breakiterator'); |
| 1965 | AddBoundMethod(Intl.v8BreakIterator, 'first', first, 0, 'breakiterator'); |
| 1966 | AddBoundMethod(Intl.v8BreakIterator, 'next', next, 0, 'breakiterator'); |
| 1967 | AddBoundMethod(Intl.v8BreakIterator, 'current', current, 0, 'breakiterator'); |
| 1968 | AddBoundMethod(Intl.v8BreakIterator, 'breakType', breakType, 0, |
| 1969 | 'breakiterator'); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1970 | |
| 1971 | // Save references to Intl objects and methods we use, for added security. |
| 1972 | var savedObjects = { |
| 1973 | 'collator': Intl.Collator, |
| 1974 | 'numberformat': Intl.NumberFormat, |
| 1975 | 'dateformatall': Intl.DateTimeFormat, |
| 1976 | 'dateformatdate': Intl.DateTimeFormat, |
| 1977 | 'dateformattime': Intl.DateTimeFormat |
| 1978 | }; |
| 1979 | |
| 1980 | |
| 1981 | // Default (created with undefined locales and options parameters) collator, |
| 1982 | // number and date format instances. They'll be created as needed. |
| 1983 | var defaultObjects = { |
| 1984 | 'collator': UNDEFINED, |
| 1985 | 'numberformat': UNDEFINED, |
| 1986 | 'dateformatall': UNDEFINED, |
| 1987 | 'dateformatdate': UNDEFINED, |
| 1988 | 'dateformattime': UNDEFINED, |
| 1989 | }; |
| 1990 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1991 | function clearDefaultObjects() { |
| 1992 | defaultObjects['dateformatall'] = UNDEFINED; |
| 1993 | defaultObjects['dateformatdate'] = UNDEFINED; |
| 1994 | defaultObjects['dateformattime'] = UNDEFINED; |
| 1995 | } |
| 1996 | |
| 1997 | var date_cache_version = 0; |
| 1998 | |
| 1999 | function checkDateCacheCurrent() { |
| 2000 | var new_date_cache_version = %DateCacheVersion(); |
| 2001 | if (new_date_cache_version == date_cache_version) { |
| 2002 | return; |
| 2003 | } |
| 2004 | date_cache_version = new_date_cache_version; |
| 2005 | |
| 2006 | clearDefaultObjects(); |
| 2007 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2008 | |
| 2009 | /** |
| 2010 | * Returns cached or newly created instance of a given service. |
| 2011 | * We cache only default instances (where no locales or options are provided). |
| 2012 | */ |
| 2013 | function cachedOrNewService(service, locales, options, defaults) { |
| 2014 | var useOptions = (IS_UNDEFINED(defaults)) ? options : defaults; |
| 2015 | if (IS_UNDEFINED(locales) && IS_UNDEFINED(options)) { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2016 | checkDateCacheCurrent(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2017 | if (IS_UNDEFINED(defaultObjects[service])) { |
| 2018 | defaultObjects[service] = new savedObjects[service](locales, useOptions); |
| 2019 | } |
| 2020 | return defaultObjects[service]; |
| 2021 | } |
| 2022 | return new savedObjects[service](locales, useOptions); |
| 2023 | } |
| 2024 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2025 | function LocaleConvertCase(s, locales, isToUpper) { |
| 2026 | // ECMA 402 section 13.1.2 steps 1 through 12. |
| 2027 | var language; |
| 2028 | // Optimize for the most common two cases. initializeLocaleList() can handle |
| 2029 | // them as well, but it's rather slow accounting for over 60% of |
| 2030 | // toLocale{U,L}Case() and about 40% of toLocale{U,L}Case("<locale>"). |
| 2031 | if (IS_UNDEFINED(locales)) { |
| 2032 | language = GetDefaultICULocaleJS(); |
| 2033 | } else if (IS_STRING(locales)) { |
| 2034 | language = canonicalizeLanguageTag(locales); |
| 2035 | } else { |
| 2036 | var locales = initializeLocaleList(locales); |
| 2037 | language = locales.length > 0 ? locales[0] : GetDefaultICULocaleJS(); |
| 2038 | } |
| 2039 | |
| 2040 | // StringSplit is slower than this. |
| 2041 | var pos = %_Call(StringIndexOf, language, '-'); |
| 2042 | if (pos != -1) { |
| 2043 | language = %_Call(StringSubstring, language, 0, pos); |
| 2044 | } |
| 2045 | |
| 2046 | var CUSTOM_CASE_LANGUAGES = ['az', 'el', 'lt', 'tr']; |
| 2047 | var langIndex = %_Call(ArrayIndexOf, CUSTOM_CASE_LANGUAGES, language); |
| 2048 | if (langIndex == -1) { |
| 2049 | // language-independent case conversion. |
| 2050 | return isToUpper ? %StringToUpperCaseI18N(s) : %StringToLowerCaseI18N(s); |
| 2051 | } |
| 2052 | return %StringLocaleConvertCase(s, isToUpper, |
| 2053 | CUSTOM_CASE_LANGUAGES[langIndex]); |
| 2054 | } |
| 2055 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2056 | /** |
| 2057 | * Compares this and that, and returns less than 0, 0 or greater than 0 value. |
| 2058 | * Overrides the built-in method. |
| 2059 | */ |
| 2060 | OverrideFunction(GlobalString.prototype, 'localeCompare', function(that) { |
| 2061 | if (!IS_UNDEFINED(new.target)) { |
| 2062 | throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| 2063 | } |
| 2064 | |
| 2065 | if (IS_NULL_OR_UNDEFINED(this)) { |
| 2066 | throw MakeTypeError(kMethodInvokedOnNullOrUndefined); |
| 2067 | } |
| 2068 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2069 | var locales = arguments[1]; |
| 2070 | var options = arguments[2]; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2071 | var collator = cachedOrNewService('collator', locales, options); |
| 2072 | return compare(collator, this, that); |
| 2073 | } |
| 2074 | ); |
| 2075 | |
| 2076 | |
| 2077 | /** |
| 2078 | * Unicode normalization. This method is called with one argument that |
| 2079 | * specifies the normalization form. |
| 2080 | * If none is specified, "NFC" is assumed. |
| 2081 | * If the form is not one of "NFC", "NFD", "NFKC", or "NFKD", then throw |
| 2082 | * a RangeError Exception. |
| 2083 | */ |
| 2084 | |
| 2085 | OverrideFunction(GlobalString.prototype, 'normalize', function() { |
| 2086 | if (!IS_UNDEFINED(new.target)) { |
| 2087 | throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| 2088 | } |
| 2089 | |
| 2090 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.normalize"); |
| 2091 | var s = TO_STRING(this); |
| 2092 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2093 | var formArg = arguments[0]; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2094 | var form = IS_UNDEFINED(formArg) ? 'NFC' : TO_STRING(formArg); |
| 2095 | |
| 2096 | var NORMALIZATION_FORMS = ['NFC', 'NFD', 'NFKC', 'NFKD']; |
| 2097 | |
| 2098 | var normalizationForm = %_Call(ArrayIndexOf, NORMALIZATION_FORMS, form); |
| 2099 | if (normalizationForm === -1) { |
| 2100 | throw MakeRangeError(kNormalizationForm, |
| 2101 | %_Call(ArrayJoin, NORMALIZATION_FORMS, ', ')); |
| 2102 | } |
| 2103 | |
| 2104 | return %StringNormalize(s, normalizationForm); |
| 2105 | } |
| 2106 | ); |
| 2107 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2108 | function ToLowerCaseI18N() { |
| 2109 | if (!IS_UNDEFINED(new.target)) { |
| 2110 | throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| 2111 | } |
| 2112 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.toLowerCase"); |
| 2113 | var s = TO_STRING(this); |
| 2114 | return %StringToLowerCaseI18N(s); |
| 2115 | } |
| 2116 | |
| 2117 | function ToUpperCaseI18N() { |
| 2118 | if (!IS_UNDEFINED(new.target)) { |
| 2119 | throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| 2120 | } |
| 2121 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.toUpperCase"); |
| 2122 | var s = TO_STRING(this); |
| 2123 | return %StringToUpperCaseI18N(s); |
| 2124 | } |
| 2125 | |
| 2126 | function ToLocaleLowerCaseI18N(locales) { |
| 2127 | if (!IS_UNDEFINED(new.target)) { |
| 2128 | throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| 2129 | } |
| 2130 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.toLocaleLowerCase"); |
| 2131 | return LocaleConvertCase(TO_STRING(this), locales, false); |
| 2132 | } |
| 2133 | |
| 2134 | %FunctionSetLength(ToLocaleLowerCaseI18N, 0); |
| 2135 | |
| 2136 | function ToLocaleUpperCaseI18N(locales) { |
| 2137 | if (!IS_UNDEFINED(new.target)) { |
| 2138 | throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| 2139 | } |
| 2140 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.toLocaleUpperCase"); |
| 2141 | return LocaleConvertCase(TO_STRING(this), locales, true); |
| 2142 | } |
| 2143 | |
| 2144 | %FunctionSetLength(ToLocaleUpperCaseI18N, 0); |
| 2145 | |
| 2146 | %FunctionRemovePrototype(ToLowerCaseI18N); |
| 2147 | %FunctionRemovePrototype(ToUpperCaseI18N); |
| 2148 | %FunctionRemovePrototype(ToLocaleLowerCaseI18N); |
| 2149 | %FunctionRemovePrototype(ToLocaleUpperCaseI18N); |
| 2150 | |
| 2151 | utils.Export(function(to) { |
| 2152 | to.ToLowerCaseI18N = ToLowerCaseI18N; |
| 2153 | to.ToUpperCaseI18N = ToUpperCaseI18N; |
| 2154 | to.ToLocaleLowerCaseI18N = ToLocaleLowerCaseI18N; |
| 2155 | to.ToLocaleUpperCaseI18N = ToLocaleUpperCaseI18N; |
| 2156 | }); |
| 2157 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2158 | |
| 2159 | /** |
| 2160 | * Formats a Number object (this) using locale and options values. |
| 2161 | * If locale or options are omitted, defaults are used. |
| 2162 | */ |
| 2163 | OverrideFunction(GlobalNumber.prototype, 'toLocaleString', function() { |
| 2164 | if (!IS_UNDEFINED(new.target)) { |
| 2165 | throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| 2166 | } |
| 2167 | |
| 2168 | if (!(this instanceof GlobalNumber) && typeof(this) !== 'number') { |
| 2169 | throw MakeTypeError(kMethodInvokedOnWrongType, "Number"); |
| 2170 | } |
| 2171 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2172 | var locales = arguments[0]; |
| 2173 | var options = arguments[1]; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2174 | var numberFormat = cachedOrNewService('numberformat', locales, options); |
| 2175 | return formatNumber(numberFormat, this); |
| 2176 | } |
| 2177 | ); |
| 2178 | |
| 2179 | |
| 2180 | /** |
| 2181 | * Returns actual formatted date or fails if date parameter is invalid. |
| 2182 | */ |
| 2183 | function toLocaleDateTime(date, locales, options, required, defaults, service) { |
| 2184 | if (!(date instanceof GlobalDate)) { |
| 2185 | throw MakeTypeError(kMethodInvokedOnWrongType, "Date"); |
| 2186 | } |
| 2187 | |
| 2188 | if (IsNaN(date)) return 'Invalid Date'; |
| 2189 | |
| 2190 | var internalOptions = toDateTimeOptions(options, required, defaults); |
| 2191 | |
| 2192 | var dateFormat = |
| 2193 | cachedOrNewService(service, locales, options, internalOptions); |
| 2194 | |
| 2195 | return formatDate(dateFormat, date); |
| 2196 | } |
| 2197 | |
| 2198 | |
| 2199 | /** |
| 2200 | * Formats a Date object (this) using locale and options values. |
| 2201 | * If locale or options are omitted, defaults are used - both date and time are |
| 2202 | * present in the output. |
| 2203 | */ |
| 2204 | OverrideFunction(GlobalDate.prototype, 'toLocaleString', function() { |
| 2205 | if (!IS_UNDEFINED(new.target)) { |
| 2206 | throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| 2207 | } |
| 2208 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2209 | var locales = arguments[0]; |
| 2210 | var options = arguments[1]; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2211 | return toLocaleDateTime( |
| 2212 | this, locales, options, 'any', 'all', 'dateformatall'); |
| 2213 | } |
| 2214 | ); |
| 2215 | |
| 2216 | |
| 2217 | /** |
| 2218 | * Formats a Date object (this) using locale and options values. |
| 2219 | * If locale or options are omitted, defaults are used - only date is present |
| 2220 | * in the output. |
| 2221 | */ |
| 2222 | OverrideFunction(GlobalDate.prototype, 'toLocaleDateString', function() { |
| 2223 | if (!IS_UNDEFINED(new.target)) { |
| 2224 | throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| 2225 | } |
| 2226 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2227 | var locales = arguments[0]; |
| 2228 | var options = arguments[1]; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2229 | return toLocaleDateTime( |
| 2230 | this, locales, options, 'date', 'date', 'dateformatdate'); |
| 2231 | } |
| 2232 | ); |
| 2233 | |
| 2234 | |
| 2235 | /** |
| 2236 | * Formats a Date object (this) using locale and options values. |
| 2237 | * If locale or options are omitted, defaults are used - only time is present |
| 2238 | * in the output. |
| 2239 | */ |
| 2240 | OverrideFunction(GlobalDate.prototype, 'toLocaleTimeString', function() { |
| 2241 | if (!IS_UNDEFINED(new.target)) { |
| 2242 | throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| 2243 | } |
| 2244 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2245 | var locales = arguments[0]; |
| 2246 | var options = arguments[1]; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2247 | return toLocaleDateTime( |
| 2248 | this, locales, options, 'time', 'time', 'dateformattime'); |
| 2249 | } |
| 2250 | ); |
| 2251 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2252 | utils.Export(function(to) { |
| 2253 | to.AddBoundMethod = AddBoundMethod; |
| 2254 | to.IntlParseDate = IntlParseDate; |
| 2255 | to.IntlParseNumber = IntlParseNumber; |
| 2256 | }); |
| 2257 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2258 | }) |