dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1 | // Copyright 2013 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | // limitations under the License. |
| 28 | |
| 29 | // ECMAScript 402 API implementation. |
| 30 | |
| 31 | /** |
| 32 | * Intl object is a single object that has some named properties, |
| 33 | * all of which are constructors. |
| 34 | */ |
| 35 | $Object.defineProperty(global, "Intl", { enumerable: false, value: (function() { |
| 36 | |
| 37 | 'use strict'; |
| 38 | |
| 39 | var Intl = {}; |
| 40 | |
| 41 | var undefined = global.undefined; |
| 42 | |
| 43 | var AVAILABLE_SERVICES = ['collator', |
| 44 | 'numberformat', |
| 45 | 'dateformat', |
| 46 | 'breakiterator']; |
| 47 | |
| 48 | /** |
| 49 | * Caches available locales for each service. |
| 50 | */ |
| 51 | var AVAILABLE_LOCALES = { |
| 52 | 'collator': undefined, |
| 53 | 'numberformat': undefined, |
| 54 | 'dateformat': undefined, |
| 55 | 'breakiterator': undefined |
| 56 | }; |
| 57 | |
| 58 | /** |
| 59 | * Caches default ICU locale. |
| 60 | */ |
| 61 | var DEFAULT_ICU_LOCALE = undefined; |
| 62 | |
| 63 | /** |
| 64 | * Unicode extension regular expression. |
| 65 | */ |
| 66 | var UNICODE_EXTENSION_RE = undefined; |
| 67 | |
| 68 | function GetUnicodeExtensionRE() { |
| 69 | if (UNICODE_EXTENSION_RE === undefined) { |
| 70 | UNICODE_EXTENSION_RE = new $RegExp('-u(-[a-z0-9]{2,8})+', 'g'); |
| 71 | } |
| 72 | return UNICODE_EXTENSION_RE; |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * Matches any Unicode extension. |
| 77 | */ |
| 78 | var ANY_EXTENSION_RE = undefined; |
| 79 | |
| 80 | function GetAnyExtensionRE() { |
| 81 | if (ANY_EXTENSION_RE === undefined) { |
| 82 | ANY_EXTENSION_RE = new $RegExp('-[a-z0-9]{1}-.*', 'g'); |
| 83 | } |
| 84 | return ANY_EXTENSION_RE; |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * Replace quoted text (single quote, anything but the quote and quote again). |
| 89 | */ |
| 90 | var QUOTED_STRING_RE = undefined; |
| 91 | |
| 92 | function GetQuotedStringRE() { |
| 93 | if (QUOTED_STRING_RE === undefined) { |
| 94 | QUOTED_STRING_RE = new $RegExp("'[^']+'", 'g'); |
| 95 | } |
| 96 | return QUOTED_STRING_RE; |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * Matches valid service name. |
| 101 | */ |
| 102 | var SERVICE_RE = undefined; |
| 103 | |
| 104 | function GetServiceRE() { |
| 105 | if (SERVICE_RE === undefined) { |
| 106 | SERVICE_RE = |
| 107 | new $RegExp('^(collator|numberformat|dateformat|breakiterator)$'); |
| 108 | } |
| 109 | return SERVICE_RE; |
| 110 | } |
| 111 | |
| 112 | /** |
| 113 | * Validates a language tag against bcp47 spec. |
| 114 | * Actual value is assigned on first run. |
| 115 | */ |
| 116 | var LANGUAGE_TAG_RE = undefined; |
| 117 | |
| 118 | function GetLanguageTagRE() { |
| 119 | if (LANGUAGE_TAG_RE === undefined) { |
| 120 | BuildLanguageTagREs(); |
| 121 | } |
| 122 | return LANGUAGE_TAG_RE; |
| 123 | } |
| 124 | |
| 125 | /** |
| 126 | * Helps find duplicate variants in the language tag. |
| 127 | */ |
| 128 | var LANGUAGE_VARIANT_RE = undefined; |
| 129 | |
| 130 | function GetLanguageVariantRE() { |
| 131 | if (LANGUAGE_VARIANT_RE === undefined) { |
| 132 | BuildLanguageTagREs(); |
| 133 | } |
| 134 | return LANGUAGE_VARIANT_RE; |
| 135 | } |
| 136 | |
| 137 | /** |
| 138 | * Helps find duplicate singletons in the language tag. |
| 139 | */ |
| 140 | var LANGUAGE_SINGLETON_RE = undefined; |
| 141 | |
| 142 | function GetLanguageSingletonRE() { |
| 143 | if (LANGUAGE_SINGLETON_RE === undefined) { |
| 144 | BuildLanguageTagREs(); |
| 145 | } |
| 146 | return LANGUAGE_SINGLETON_RE; |
| 147 | } |
| 148 | |
| 149 | /** |
| 150 | * Matches valid IANA time zone names. |
| 151 | */ |
| 152 | var TIMEZONE_NAME_CHECK_RE = undefined; |
| 153 | |
| 154 | function GetTimezoneNameCheckRE() { |
| 155 | if (TIMEZONE_NAME_CHECK_RE === undefined) { |
| 156 | TIMEZONE_NAME_CHECK_RE = |
| 157 | new $RegExp('^([A-Za-z]+)/([A-Za-z]+)(?:_([A-Za-z]+))*$'); |
| 158 | } |
| 159 | return TIMEZONE_NAME_CHECK_RE; |
| 160 | } |
| 161 | |
| 162 | /** |
| 163 | * Maps ICU calendar names into LDML type. |
| 164 | */ |
| 165 | var ICU_CALENDAR_MAP = { |
| 166 | 'gregorian': 'gregory', |
| 167 | 'japanese': 'japanese', |
| 168 | 'buddhist': 'buddhist', |
| 169 | 'roc': 'roc', |
| 170 | 'persian': 'persian', |
| 171 | 'islamic-civil': 'islamicc', |
| 172 | 'islamic': 'islamic', |
| 173 | 'hebrew': 'hebrew', |
| 174 | 'chinese': 'chinese', |
| 175 | 'indian': 'indian', |
| 176 | 'coptic': 'coptic', |
| 177 | 'ethiopic': 'ethiopic', |
| 178 | 'ethiopic-amete-alem': 'ethioaa' |
| 179 | }; |
| 180 | |
| 181 | /** |
| 182 | * Map of Unicode extensions to option properties, and their values and types, |
| 183 | * for a collator. |
| 184 | */ |
| 185 | var COLLATOR_KEY_MAP = { |
| 186 | 'kn': {'property': 'numeric', 'type': 'boolean'}, |
| 187 | 'kf': {'property': 'caseFirst', 'type': 'string', |
| 188 | 'values': ['false', 'lower', 'upper']} |
| 189 | }; |
| 190 | |
| 191 | /** |
| 192 | * Map of Unicode extensions to option properties, and their values and types, |
| 193 | * for a number format. |
| 194 | */ |
| 195 | var NUMBER_FORMAT_KEY_MAP = { |
| 196 | 'nu': {'property': undefined, 'type': 'string'} |
| 197 | }; |
| 198 | |
| 199 | /** |
| 200 | * Map of Unicode extensions to option properties, and their values and types, |
| 201 | * for a date/time format. |
| 202 | */ |
| 203 | var DATETIME_FORMAT_KEY_MAP = { |
| 204 | 'ca': {'property': undefined, 'type': 'string'}, |
| 205 | 'nu': {'property': undefined, 'type': 'string'} |
| 206 | }; |
| 207 | |
| 208 | /** |
| 209 | * Allowed -u-co- values. List taken from: |
| 210 | * http://unicode.org/repos/cldr/trunk/common/bcp47/collation.xml |
| 211 | */ |
| 212 | var ALLOWED_CO_VALUES = [ |
| 213 | 'big5han', 'dict', 'direct', 'ducet', 'gb2312', 'phonebk', 'phonetic', |
| 214 | 'pinyin', 'reformed', 'searchjl', 'stroke', 'trad', 'unihan', 'zhuyin' |
| 215 | ]; |
| 216 | |
| 217 | /** |
| 218 | * Error message for when function object is created with new and it's not |
| 219 | * a constructor. |
| 220 | */ |
| 221 | var ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR = |
| 222 | 'Function object that\'s not a constructor was created with new'; |
| 223 | |
| 224 | |
| 225 | /** |
| 226 | * Adds bound method to the prototype of the given object. |
| 227 | */ |
| 228 | function addBoundMethod(obj, methodName, implementation, length) { |
| 229 | function getter() { |
| 230 | if (!this || typeof this !== 'object' || |
| 231 | this.__initializedIntlObject === undefined) { |
| 232 | throw new $TypeError('Method ' + methodName + ' called on a ' + |
| 233 | 'non-object or on a wrong type of object.'); |
| 234 | } |
| 235 | var internalName = '__bound' + methodName + '__'; |
| 236 | if (this[internalName] === undefined) { |
| 237 | var that = this; |
| 238 | var boundMethod; |
| 239 | if (length === undefined || length === 2) { |
| 240 | boundMethod = function(x, y) { |
| 241 | if (%_IsConstructCall()) { |
| 242 | throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
| 243 | } |
| 244 | return implementation(that, x, y); |
| 245 | } |
| 246 | } else if (length === 1) { |
| 247 | boundMethod = function(x) { |
| 248 | if (%_IsConstructCall()) { |
| 249 | throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
| 250 | } |
| 251 | return implementation(that, x); |
| 252 | } |
| 253 | } else { |
| 254 | boundMethod = function() { |
| 255 | if (%_IsConstructCall()) { |
| 256 | throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
| 257 | } |
| 258 | // DateTimeFormat.format needs to be 0 arg method, but can stil |
| 259 | // receive optional dateValue param. If one was provided, pass it |
| 260 | // along. |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 261 | if (%_ArgumentsLength() > 0) { |
| 262 | return implementation(that, %_Arguments(0)); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 263 | } else { |
| 264 | return implementation(that); |
| 265 | } |
| 266 | } |
| 267 | } |
| 268 | %FunctionSetName(boundMethod, internalName); |
| 269 | %FunctionRemovePrototype(boundMethod); |
| 270 | %SetNativeFlag(boundMethod); |
| 271 | this[internalName] = boundMethod; |
| 272 | } |
| 273 | return this[internalName]; |
| 274 | } |
| 275 | |
| 276 | %FunctionSetName(getter, methodName); |
| 277 | %FunctionRemovePrototype(getter); |
| 278 | %SetNativeFlag(getter); |
| 279 | |
| 280 | $Object.defineProperty(obj.prototype, methodName, { |
| 281 | get: getter, |
| 282 | enumerable: false, |
| 283 | configurable: true |
| 284 | }); |
| 285 | } |
| 286 | |
| 287 | |
| 288 | /** |
| 289 | * Returns an intersection of locales and service supported locales. |
| 290 | * Parameter locales is treated as a priority list. |
| 291 | */ |
| 292 | function supportedLocalesOf(service, locales, options) { |
mstarzinger@chromium.org | 6900838 | 2013-10-18 10:34:25 +0000 | [diff] [blame] | 293 | if (IS_NULL(service.match(GetServiceRE()))) { |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 294 | throw new $Error('Internal error, wrong service type: ' + service); |
| 295 | } |
| 296 | |
| 297 | // Provide defaults if matcher was not specified. |
| 298 | if (options === undefined) { |
| 299 | options = {}; |
| 300 | } else { |
| 301 | options = toObject(options); |
| 302 | } |
| 303 | |
| 304 | var matcher = options.localeMatcher; |
| 305 | if (matcher !== undefined) { |
| 306 | matcher = $String(matcher); |
| 307 | if (matcher !== 'lookup' && matcher !== 'best fit') { |
| 308 | throw new $RangeError('Illegal value for localeMatcher:' + matcher); |
| 309 | } |
| 310 | } else { |
| 311 | matcher = 'best fit'; |
| 312 | } |
| 313 | |
| 314 | var requestedLocales = initializeLocaleList(locales); |
| 315 | |
| 316 | // Cache these, they don't ever change per service. |
| 317 | if (AVAILABLE_LOCALES[service] === undefined) { |
| 318 | AVAILABLE_LOCALES[service] = getAvailableLocalesOf(service); |
| 319 | } |
| 320 | |
| 321 | // Use either best fit or lookup algorithm to match locales. |
| 322 | if (matcher === 'best fit') { |
| 323 | return initializeLocaleList(bestFitSupportedLocalesOf( |
| 324 | requestedLocales, AVAILABLE_LOCALES[service])); |
| 325 | } |
| 326 | |
| 327 | return initializeLocaleList(lookupSupportedLocalesOf( |
| 328 | requestedLocales, AVAILABLE_LOCALES[service])); |
| 329 | } |
| 330 | |
| 331 | |
| 332 | /** |
| 333 | * Returns the subset of the provided BCP 47 language priority list for which |
| 334 | * this service has a matching locale when using the BCP 47 Lookup algorithm. |
| 335 | * Locales appear in the same order in the returned list as in the input list. |
| 336 | */ |
| 337 | function lookupSupportedLocalesOf(requestedLocales, availableLocales) { |
| 338 | var matchedLocales = []; |
| 339 | for (var i = 0; i < requestedLocales.length; ++i) { |
| 340 | // Remove -u- extension. |
| 341 | var locale = requestedLocales[i].replace(GetUnicodeExtensionRE(), ''); |
| 342 | do { |
| 343 | if (availableLocales[locale] !== undefined) { |
| 344 | // Push requested locale not the resolved one. |
| 345 | matchedLocales.push(requestedLocales[i]); |
| 346 | break; |
| 347 | } |
| 348 | // Truncate locale if possible, if not break. |
| 349 | var pos = locale.lastIndexOf('-'); |
| 350 | if (pos === -1) { |
| 351 | break; |
| 352 | } |
| 353 | locale = locale.substring(0, pos); |
| 354 | } while (true); |
| 355 | } |
| 356 | |
| 357 | return matchedLocales; |
| 358 | } |
| 359 | |
| 360 | |
| 361 | /** |
| 362 | * Returns the subset of the provided BCP 47 language priority list for which |
| 363 | * this service has a matching locale when using the implementation |
| 364 | * dependent algorithm. |
| 365 | * Locales appear in the same order in the returned list as in the input list. |
| 366 | */ |
| 367 | function bestFitSupportedLocalesOf(requestedLocales, availableLocales) { |
| 368 | // TODO(cira): implement better best fit algorithm. |
| 369 | return lookupSupportedLocalesOf(requestedLocales, availableLocales); |
| 370 | } |
| 371 | |
| 372 | |
| 373 | /** |
| 374 | * Returns a getOption function that extracts property value for given |
| 375 | * options object. If property is missing it returns defaultValue. If value |
| 376 | * is out of range for that property it throws RangeError. |
| 377 | */ |
| 378 | function getGetOption(options, caller) { |
| 379 | if (options === undefined) { |
| 380 | throw new $Error('Internal ' + caller + ' error. ' + |
| 381 | 'Default options are missing.'); |
| 382 | } |
| 383 | |
| 384 | var getOption = function getOption(property, type, values, defaultValue) { |
| 385 | if (options[property] !== undefined) { |
| 386 | var value = options[property]; |
| 387 | switch (type) { |
| 388 | case 'boolean': |
| 389 | value = $Boolean(value); |
| 390 | break; |
| 391 | case 'string': |
| 392 | value = $String(value); |
| 393 | break; |
| 394 | case 'number': |
| 395 | value = $Number(value); |
| 396 | break; |
| 397 | default: |
| 398 | throw new $Error('Internal error. Wrong value type.'); |
| 399 | } |
| 400 | if (values !== undefined && values.indexOf(value) === -1) { |
| 401 | throw new $RangeError('Value ' + value + ' out of range for ' + caller + |
| 402 | ' options property ' + property); |
| 403 | } |
| 404 | |
| 405 | return value; |
| 406 | } |
| 407 | |
| 408 | return defaultValue; |
| 409 | } |
| 410 | |
| 411 | return getOption; |
| 412 | } |
| 413 | |
| 414 | |
| 415 | /** |
| 416 | * Compares a BCP 47 language priority list requestedLocales against the locales |
| 417 | * in availableLocales and determines the best available language to meet the |
| 418 | * request. Two algorithms are available to match the locales: the Lookup |
| 419 | * algorithm described in RFC 4647 section 3.4, and an implementation dependent |
| 420 | * best-fit algorithm. Independent of the locale matching algorithm, options |
| 421 | * specified through Unicode locale extension sequences are negotiated |
| 422 | * separately, taking the caller's relevant extension keys and locale data as |
| 423 | * well as client-provided options into consideration. Returns an object with |
| 424 | * a locale property whose value is the language tag of the selected locale, |
| 425 | * and properties for each key in relevantExtensionKeys providing the selected |
| 426 | * value for that key. |
| 427 | */ |
| 428 | function resolveLocale(service, requestedLocales, options) { |
| 429 | requestedLocales = initializeLocaleList(requestedLocales); |
| 430 | |
| 431 | var getOption = getGetOption(options, service); |
| 432 | var matcher = getOption('localeMatcher', 'string', |
| 433 | ['lookup', 'best fit'], 'best fit'); |
| 434 | var resolved; |
| 435 | if (matcher === 'lookup') { |
| 436 | resolved = lookupMatcher(service, requestedLocales); |
| 437 | } else { |
| 438 | resolved = bestFitMatcher(service, requestedLocales); |
| 439 | } |
| 440 | |
| 441 | return resolved; |
| 442 | } |
| 443 | |
| 444 | |
| 445 | /** |
| 446 | * Returns best matched supported locale and extension info using basic |
| 447 | * lookup algorithm. |
| 448 | */ |
| 449 | function lookupMatcher(service, requestedLocales) { |
mstarzinger@chromium.org | 6900838 | 2013-10-18 10:34:25 +0000 | [diff] [blame] | 450 | if (IS_NULL(service.match(GetServiceRE()))) { |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 451 | throw new $Error('Internal error, wrong service type: ' + service); |
| 452 | } |
| 453 | |
| 454 | // Cache these, they don't ever change per service. |
| 455 | if (AVAILABLE_LOCALES[service] === undefined) { |
| 456 | AVAILABLE_LOCALES[service] = getAvailableLocalesOf(service); |
| 457 | } |
| 458 | |
| 459 | for (var i = 0; i < requestedLocales.length; ++i) { |
| 460 | // Remove all extensions. |
| 461 | var locale = requestedLocales[i].replace(GetAnyExtensionRE(), ''); |
| 462 | do { |
| 463 | if (AVAILABLE_LOCALES[service][locale] !== undefined) { |
| 464 | // Return the resolved locale and extension. |
| 465 | var extensionMatch = requestedLocales[i].match(GetUnicodeExtensionRE()); |
mstarzinger@chromium.org | 6900838 | 2013-10-18 10:34:25 +0000 | [diff] [blame] | 466 | var extension = IS_NULL(extensionMatch) ? '' : extensionMatch[0]; |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 467 | return {'locale': locale, 'extension': extension, 'position': i}; |
| 468 | } |
| 469 | // Truncate locale if possible. |
| 470 | var pos = locale.lastIndexOf('-'); |
| 471 | if (pos === -1) { |
| 472 | break; |
| 473 | } |
| 474 | locale = locale.substring(0, pos); |
| 475 | } while (true); |
| 476 | } |
| 477 | |
| 478 | // Didn't find a match, return default. |
| 479 | if (DEFAULT_ICU_LOCALE === undefined) { |
| 480 | DEFAULT_ICU_LOCALE = %GetDefaultICULocale(); |
| 481 | } |
| 482 | |
| 483 | return {'locale': DEFAULT_ICU_LOCALE, 'extension': '', 'position': -1}; |
| 484 | } |
| 485 | |
| 486 | |
| 487 | /** |
| 488 | * Returns best matched supported locale and extension info using |
| 489 | * implementation dependend algorithm. |
| 490 | */ |
| 491 | function bestFitMatcher(service, requestedLocales) { |
| 492 | // TODO(cira): implement better best fit algorithm. |
| 493 | return lookupMatcher(service, requestedLocales); |
| 494 | } |
| 495 | |
| 496 | |
| 497 | /** |
| 498 | * Parses Unicode extension into key - value map. |
| 499 | * Returns empty object if the extension string is invalid. |
| 500 | * We are not concerned with the validity of the values at this point. |
| 501 | */ |
| 502 | function parseExtension(extension) { |
| 503 | var extensionSplit = extension.split('-'); |
| 504 | |
| 505 | // Assume ['', 'u', ...] input, but don't throw. |
| 506 | if (extensionSplit.length <= 2 || |
| 507 | (extensionSplit[0] !== '' && extensionSplit[1] !== 'u')) { |
| 508 | return {}; |
| 509 | } |
| 510 | |
| 511 | // Key is {2}alphanum, value is {3,8}alphanum. |
| 512 | // Some keys may not have explicit values (booleans). |
| 513 | var extensionMap = {}; |
| 514 | var previousKey = undefined; |
| 515 | for (var i = 2; i < extensionSplit.length; ++i) { |
| 516 | var length = extensionSplit[i].length; |
| 517 | var element = extensionSplit[i]; |
| 518 | if (length === 2) { |
| 519 | extensionMap[element] = undefined; |
| 520 | previousKey = element; |
| 521 | } else if (length >= 3 && length <=8 && previousKey !== undefined) { |
| 522 | extensionMap[previousKey] = element; |
| 523 | previousKey = undefined; |
| 524 | } else { |
| 525 | // There is a value that's too long, or that doesn't have a key. |
| 526 | return {}; |
| 527 | } |
| 528 | } |
| 529 | |
| 530 | return extensionMap; |
| 531 | } |
| 532 | |
| 533 | |
| 534 | /** |
| 535 | * Converts parameter to an Object if possible. |
| 536 | */ |
| 537 | function toObject(value) { |
mstarzinger@chromium.org | 6900838 | 2013-10-18 10:34:25 +0000 | [diff] [blame] | 538 | if (IS_NULL_OR_UNDEFINED(value)) { |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 539 | throw new $TypeError('Value cannot be converted to an Object.'); |
| 540 | } |
| 541 | |
| 542 | return $Object(value); |
| 543 | } |
| 544 | |
| 545 | |
| 546 | /** |
| 547 | * Populates internalOptions object with boolean key-value pairs |
| 548 | * from extensionMap and options. |
| 549 | * Returns filtered extension (number and date format constructors use |
| 550 | * Unicode extensions for passing parameters to ICU). |
| 551 | * It's used for extension-option pairs only, e.g. kn-normalization, but not |
| 552 | * for 'sensitivity' since it doesn't have extension equivalent. |
| 553 | * Extensions like nu and ca don't have options equivalent, so we place |
| 554 | * undefined in the map.property to denote that. |
| 555 | */ |
| 556 | function setOptions(inOptions, extensionMap, keyValues, getOption, outOptions) { |
| 557 | var extension = ''; |
| 558 | |
| 559 | var updateExtension = function updateExtension(key, value) { |
| 560 | return '-' + key + '-' + $String(value); |
| 561 | } |
| 562 | |
| 563 | var updateProperty = function updateProperty(property, type, value) { |
| 564 | if (type === 'boolean' && (typeof value === 'string')) { |
| 565 | value = (value === 'true') ? true : false; |
| 566 | } |
| 567 | |
| 568 | if (property !== undefined) { |
| 569 | defineWEProperty(outOptions, property, value); |
| 570 | } |
| 571 | } |
| 572 | |
| 573 | for (var key in keyValues) { |
| 574 | if (keyValues.hasOwnProperty(key)) { |
| 575 | var value = undefined; |
| 576 | var map = keyValues[key]; |
| 577 | if (map.property !== undefined) { |
| 578 | // This may return true if user specifies numeric: 'false', since |
| 579 | // Boolean('nonempty') === true. |
| 580 | value = getOption(map.property, map.type, map.values); |
| 581 | } |
| 582 | if (value !== undefined) { |
| 583 | updateProperty(map.property, map.type, value); |
| 584 | extension += updateExtension(key, value); |
| 585 | continue; |
| 586 | } |
| 587 | // User options didn't have it, check Unicode extension. |
| 588 | // Here we want to convert strings 'true', 'false' into proper Boolean |
| 589 | // values (not a user error). |
| 590 | if (extensionMap.hasOwnProperty(key)) { |
| 591 | value = extensionMap[key]; |
| 592 | if (value !== undefined) { |
| 593 | updateProperty(map.property, map.type, value); |
| 594 | extension += updateExtension(key, value); |
| 595 | } else if (map.type === 'boolean') { |
| 596 | // Boolean keys are allowed not to have values in Unicode extension. |
| 597 | // Those default to true. |
| 598 | updateProperty(map.property, map.type, true); |
| 599 | extension += updateExtension(key, true); |
| 600 | } |
| 601 | } |
| 602 | } |
| 603 | } |
| 604 | |
| 605 | return extension === ''? '' : '-u' + extension; |
| 606 | } |
| 607 | |
| 608 | |
| 609 | /** |
| 610 | * Converts all OwnProperties into |
| 611 | * configurable: false, writable: false, enumerable: true. |
| 612 | */ |
| 613 | function freezeArray(array) { |
| 614 | array.forEach(function(element, index) { |
| 615 | $Object.defineProperty(array, index, {value: element, |
| 616 | configurable: false, |
| 617 | writable: false, |
| 618 | enumerable: true}); |
| 619 | }); |
| 620 | |
| 621 | $Object.defineProperty(array, 'length', {value: array.length, |
| 622 | writable: false}); |
| 623 | |
| 624 | return array; |
| 625 | } |
| 626 | |
| 627 | |
| 628 | /** |
| 629 | * It's sometimes desireable to leave user requested locale instead of ICU |
| 630 | * supported one (zh-TW is equivalent to zh-Hant-TW, so we should keep shorter |
| 631 | * one, if that was what user requested). |
| 632 | * This function returns user specified tag if its maximized form matches ICU |
| 633 | * resolved locale. If not we return ICU result. |
| 634 | */ |
| 635 | function getOptimalLanguageTag(original, resolved) { |
| 636 | // Returns Array<Object>, where each object has maximized and base properties. |
| 637 | // Maximized: zh -> zh-Hans-CN |
| 638 | // Base: zh-CN-u-ca-gregory -> zh-CN |
| 639 | // Take care of grandfathered or simple cases. |
| 640 | if (original === resolved) { |
| 641 | return original; |
| 642 | } |
| 643 | |
| 644 | var locales = %GetLanguageTagVariants([original, resolved]); |
| 645 | if (locales[0].maximized !== locales[1].maximized) { |
| 646 | return resolved; |
| 647 | } |
| 648 | |
| 649 | // Preserve extensions of resolved locale, but swap base tags with original. |
| 650 | var resolvedBase = new $RegExp('^' + locales[1].base); |
| 651 | return resolved.replace(resolvedBase, locales[0].base); |
| 652 | } |
| 653 | |
| 654 | |
| 655 | /** |
| 656 | * Returns an Object that contains all of supported locales for a given |
| 657 | * service. |
| 658 | * In addition to the supported locales we add xx-ZZ locale for each xx-Yyyy-ZZ |
| 659 | * that is supported. This is required by the spec. |
| 660 | */ |
| 661 | function getAvailableLocalesOf(service) { |
| 662 | var available = %AvailableLocalesOf(service); |
| 663 | |
| 664 | for (var i in available) { |
| 665 | if (available.hasOwnProperty(i)) { |
| 666 | var parts = i.match(/^([a-z]{2,3})-([A-Z][a-z]{3})-([A-Z]{2})$/); |
| 667 | if (parts !== null) { |
| 668 | // Build xx-ZZ. We don't care about the actual value, |
| 669 | // as long it's not undefined. |
| 670 | available[parts[1] + '-' + parts[3]] = null; |
| 671 | } |
| 672 | } |
| 673 | } |
| 674 | |
| 675 | return available; |
| 676 | } |
| 677 | |
| 678 | |
| 679 | /** |
| 680 | * Defines a property and sets writable and enumerable to true. |
| 681 | * Configurable is false by default. |
| 682 | */ |
| 683 | function defineWEProperty(object, property, value) { |
| 684 | $Object.defineProperty(object, property, |
| 685 | {value: value, writable: true, enumerable: true}); |
| 686 | } |
| 687 | |
| 688 | |
| 689 | /** |
| 690 | * Adds property to an object if the value is not undefined. |
| 691 | * Sets configurable descriptor to false. |
| 692 | */ |
| 693 | function addWEPropertyIfDefined(object, property, value) { |
| 694 | if (value !== undefined) { |
| 695 | defineWEProperty(object, property, value); |
| 696 | } |
| 697 | } |
| 698 | |
| 699 | |
| 700 | /** |
| 701 | * Defines a property and sets writable, enumerable and configurable to true. |
| 702 | */ |
| 703 | function defineWECProperty(object, property, value) { |
| 704 | $Object.defineProperty(object, property, |
| 705 | {value: value, |
| 706 | writable: true, |
| 707 | enumerable: true, |
| 708 | configurable: true}); |
| 709 | } |
| 710 | |
| 711 | |
| 712 | /** |
| 713 | * Adds property to an object if the value is not undefined. |
| 714 | * Sets all descriptors to true. |
| 715 | */ |
| 716 | function addWECPropertyIfDefined(object, property, value) { |
| 717 | if (value !== undefined) { |
| 718 | defineWECProperty(object, property, value); |
| 719 | } |
| 720 | } |
| 721 | |
| 722 | |
| 723 | /** |
| 724 | * Returns titlecased word, aMeRricA -> America. |
| 725 | */ |
| 726 | function toTitleCaseWord(word) { |
| 727 | return word.substr(0, 1).toUpperCase() + word.substr(1).toLowerCase(); |
| 728 | } |
| 729 | |
| 730 | /** |
| 731 | * Canonicalizes the language tag, or throws in case the tag is invalid. |
| 732 | */ |
| 733 | function canonicalizeLanguageTag(localeID) { |
| 734 | // null is typeof 'object' so we have to do extra check. |
| 735 | if (typeof localeID !== 'string' && typeof localeID !== 'object' || |
mstarzinger@chromium.org | 6900838 | 2013-10-18 10:34:25 +0000 | [diff] [blame] | 736 | IS_NULL(localeID)) { |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 737 | throw new $TypeError('Language ID should be string or object.'); |
| 738 | } |
| 739 | |
| 740 | var localeString = $String(localeID); |
| 741 | |
| 742 | if (isValidLanguageTag(localeString) === false) { |
| 743 | throw new $RangeError('Invalid language tag: ' + localeString); |
| 744 | } |
| 745 | |
| 746 | // This call will strip -kn but not -kn-true extensions. |
| 747 | // ICU bug filled - http://bugs.icu-project.org/trac/ticket/9265. |
| 748 | // TODO(cira): check if -u-kn-true-kc-true-kh-true still throws after |
| 749 | // upgrade to ICU 4.9. |
| 750 | var tag = %CanonicalizeLanguageTag(localeString); |
| 751 | if (tag === 'invalid-tag') { |
| 752 | throw new $RangeError('Invalid language tag: ' + localeString); |
| 753 | } |
| 754 | |
| 755 | return tag; |
| 756 | } |
| 757 | |
| 758 | |
| 759 | /** |
| 760 | * Returns an array where all locales are canonicalized and duplicates removed. |
| 761 | * Throws on locales that are not well formed BCP47 tags. |
| 762 | */ |
| 763 | function initializeLocaleList(locales) { |
| 764 | var seen = []; |
| 765 | if (locales === undefined) { |
| 766 | // Constructor is called without arguments. |
| 767 | seen = []; |
| 768 | } else { |
| 769 | // We allow single string localeID. |
| 770 | if (typeof locales === 'string') { |
| 771 | seen.push(canonicalizeLanguageTag(locales)); |
| 772 | return freezeArray(seen); |
| 773 | } |
| 774 | |
| 775 | var o = toObject(locales); |
| 776 | // Converts it to UInt32 (>>> is shr on 32bit integers). |
| 777 | var len = o.length >>> 0; |
| 778 | |
| 779 | for (var k = 0; k < len; k++) { |
| 780 | if (k in o) { |
| 781 | var value = o[k]; |
| 782 | |
| 783 | var tag = canonicalizeLanguageTag(value); |
| 784 | |
| 785 | if (seen.indexOf(tag) === -1) { |
| 786 | seen.push(tag); |
| 787 | } |
| 788 | } |
| 789 | } |
| 790 | } |
| 791 | |
| 792 | return freezeArray(seen); |
| 793 | } |
| 794 | |
| 795 | |
| 796 | /** |
| 797 | * Validates the language tag. Section 2.2.9 of the bcp47 spec |
| 798 | * defines a valid tag. |
| 799 | * |
| 800 | * ICU is too permissible and lets invalid tags, like |
| 801 | * hant-cmn-cn, through. |
| 802 | * |
| 803 | * Returns false if the language tag is invalid. |
| 804 | */ |
| 805 | function isValidLanguageTag(locale) { |
| 806 | // Check if it's well-formed, including grandfadered tags. |
| 807 | if (GetLanguageTagRE().test(locale) === false) { |
| 808 | return false; |
| 809 | } |
| 810 | |
| 811 | // Just return if it's a x- form. It's all private. |
| 812 | if (locale.indexOf('x-') === 0) { |
| 813 | return true; |
| 814 | } |
| 815 | |
| 816 | // Check if there are any duplicate variants or singletons (extensions). |
| 817 | |
| 818 | // Remove private use section. |
| 819 | locale = locale.split(/-x-/)[0]; |
| 820 | |
| 821 | // Skip language since it can match variant regex, so we start from 1. |
| 822 | // We are matching i-klingon here, but that's ok, since i-klingon-klingon |
| 823 | // is not valid and would fail LANGUAGE_TAG_RE test. |
| 824 | var variants = []; |
| 825 | var extensions = []; |
| 826 | var parts = locale.split(/-/); |
| 827 | for (var i = 1; i < parts.length; i++) { |
| 828 | var value = parts[i]; |
| 829 | if (GetLanguageVariantRE().test(value) === true && extensions.length === 0) { |
| 830 | if (variants.indexOf(value) === -1) { |
| 831 | variants.push(value); |
| 832 | } else { |
| 833 | return false; |
| 834 | } |
| 835 | } |
| 836 | |
| 837 | if (GetLanguageSingletonRE().test(value) === true) { |
| 838 | if (extensions.indexOf(value) === -1) { |
| 839 | extensions.push(value); |
| 840 | } else { |
| 841 | return false; |
| 842 | } |
| 843 | } |
| 844 | } |
| 845 | |
| 846 | return true; |
| 847 | } |
| 848 | |
| 849 | |
| 850 | /** |
| 851 | * Builds a regular expresion that validates the language tag |
| 852 | * against bcp47 spec. |
| 853 | * Uses http://tools.ietf.org/html/bcp47, section 2.1, ABNF. |
| 854 | * Runs on load and initializes the global REs. |
| 855 | */ |
| 856 | function BuildLanguageTagREs() { |
| 857 | var alpha = '[a-zA-Z]'; |
| 858 | var digit = '[0-9]'; |
| 859 | var alphanum = '(' + alpha + '|' + digit + ')'; |
| 860 | var regular = '(art-lojban|cel-gaulish|no-bok|no-nyn|zh-guoyu|zh-hakka|' + |
| 861 | 'zh-min|zh-min-nan|zh-xiang)'; |
| 862 | var irregular = '(en-GB-oed|i-ami|i-bnn|i-default|i-enochian|i-hak|' + |
| 863 | 'i-klingon|i-lux|i-mingo|i-navajo|i-pwn|i-tao|i-tay|' + |
| 864 | 'i-tsu|sgn-BE-FR|sgn-BE-NL|sgn-CH-DE)'; |
| 865 | var grandfathered = '(' + irregular + '|' + regular + ')'; |
| 866 | var privateUse = '(x(-' + alphanum + '{1,8})+)'; |
| 867 | |
| 868 | var singleton = '(' + digit + '|[A-WY-Za-wy-z])'; |
| 869 | LANGUAGE_SINGLETON_RE = new $RegExp('^' + singleton + '$', 'i'); |
| 870 | |
| 871 | var extension = '(' + singleton + '(-' + alphanum + '{2,8})+)'; |
| 872 | |
| 873 | var variant = '(' + alphanum + '{5,8}|(' + digit + alphanum + '{3}))'; |
| 874 | LANGUAGE_VARIANT_RE = new $RegExp('^' + variant + '$', 'i'); |
| 875 | |
| 876 | var region = '(' + alpha + '{2}|' + digit + '{3})'; |
| 877 | var script = '(' + alpha + '{4})'; |
| 878 | var extLang = '(' + alpha + '{3}(-' + alpha + '{3}){0,2})'; |
| 879 | var language = '(' + alpha + '{2,3}(-' + extLang + ')?|' + alpha + '{4}|' + |
| 880 | alpha + '{5,8})'; |
| 881 | var langTag = language + '(-' + script + ')?(-' + region + ')?(-' + |
| 882 | variant + ')*(-' + extension + ')*(-' + privateUse + ')?'; |
| 883 | |
| 884 | var languageTag = |
| 885 | '^(' + langTag + '|' + privateUse + '|' + grandfathered + ')$'; |
| 886 | LANGUAGE_TAG_RE = new $RegExp(languageTag, 'i'); |
| 887 | } |
| 888 | |
| 889 | /** |
| 890 | * Initializes the given object so it's a valid Collator instance. |
| 891 | * Useful for subclassing. |
| 892 | */ |
| 893 | function initializeCollator(collator, locales, options) { |
| 894 | if (collator.hasOwnProperty('__initializedIntlObject')) { |
| 895 | throw new $TypeError('Trying to re-initialize Collator object.'); |
| 896 | } |
| 897 | |
| 898 | if (options === undefined) { |
| 899 | options = {}; |
| 900 | } |
| 901 | |
| 902 | var getOption = getGetOption(options, 'collator'); |
| 903 | |
| 904 | var internalOptions = {}; |
| 905 | |
| 906 | defineWEProperty(internalOptions, 'usage', getOption( |
| 907 | 'usage', 'string', ['sort', 'search'], 'sort')); |
| 908 | |
| 909 | var sensitivity = getOption('sensitivity', 'string', |
| 910 | ['base', 'accent', 'case', 'variant']); |
| 911 | if (sensitivity === undefined && internalOptions.usage === 'sort') { |
| 912 | sensitivity = 'variant'; |
| 913 | } |
| 914 | defineWEProperty(internalOptions, 'sensitivity', sensitivity); |
| 915 | |
| 916 | defineWEProperty(internalOptions, 'ignorePunctuation', getOption( |
| 917 | 'ignorePunctuation', 'boolean', undefined, false)); |
| 918 | |
| 919 | var locale = resolveLocale('collator', locales, options); |
| 920 | |
| 921 | // ICU can't take kb, kc... parameters through localeID, so we need to pass |
| 922 | // them as options. |
| 923 | // One exception is -co- which has to be part of the extension, but only for |
| 924 | // usage: sort, and its value can't be 'standard' or 'search'. |
| 925 | var extensionMap = parseExtension(locale.extension); |
| 926 | setOptions( |
| 927 | options, extensionMap, COLLATOR_KEY_MAP, getOption, internalOptions); |
| 928 | |
| 929 | var collation = 'default'; |
| 930 | var extension = ''; |
| 931 | if (extensionMap.hasOwnProperty('co') && internalOptions.usage === 'sort') { |
| 932 | if (ALLOWED_CO_VALUES.indexOf(extensionMap.co) !== -1) { |
| 933 | extension = '-u-co-' + extensionMap.co; |
| 934 | // ICU can't tell us what the collation is, so save user's input. |
| 935 | collation = extensionMap.co; |
| 936 | } |
| 937 | } else if (internalOptions.usage === 'search') { |
| 938 | extension = '-u-co-search'; |
| 939 | } |
| 940 | defineWEProperty(internalOptions, 'collation', collation); |
| 941 | |
| 942 | var requestedLocale = locale.locale + extension; |
| 943 | |
| 944 | // We define all properties C++ code may produce, to prevent security |
| 945 | // problems. If malicious user decides to redefine Object.prototype.locale |
| 946 | // we can't just use plain x.locale = 'us' or in C++ Set("locale", "us"). |
| 947 | // Object.defineProperties will either succeed defining or throw an error. |
| 948 | var resolved = $Object.defineProperties({}, { |
| 949 | caseFirst: {writable: true}, |
| 950 | collation: {value: internalOptions.collation, writable: true}, |
| 951 | ignorePunctuation: {writable: true}, |
| 952 | locale: {writable: true}, |
| 953 | numeric: {writable: true}, |
| 954 | requestedLocale: {value: requestedLocale, writable: true}, |
| 955 | sensitivity: {writable: true}, |
| 956 | strength: {writable: true}, |
| 957 | usage: {value: internalOptions.usage, writable: true} |
| 958 | }); |
| 959 | |
| 960 | var internalCollator = %CreateCollator(requestedLocale, |
| 961 | internalOptions, |
| 962 | resolved); |
| 963 | |
| 964 | // Writable, configurable and enumerable are set to false by default. |
| 965 | $Object.defineProperty(collator, 'collator', {value: internalCollator}); |
| 966 | $Object.defineProperty(collator, '__initializedIntlObject', |
| 967 | {value: 'collator'}); |
| 968 | $Object.defineProperty(collator, 'resolved', {value: resolved}); |
| 969 | |
| 970 | return collator; |
| 971 | } |
| 972 | |
| 973 | |
| 974 | /** |
| 975 | * Constructs Intl.Collator object given optional locales and options |
| 976 | * parameters. |
| 977 | * |
| 978 | * @constructor |
| 979 | */ |
| 980 | %SetProperty(Intl, 'Collator', function() { |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 981 | var locales = %_Arguments(0); |
| 982 | var options = %_Arguments(1); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 983 | |
| 984 | if (!this || this === Intl) { |
| 985 | // Constructor is called as a function. |
| 986 | return new Intl.Collator(locales, options); |
| 987 | } |
| 988 | |
| 989 | return initializeCollator(toObject(this), locales, options); |
| 990 | }, |
| 991 | DONT_ENUM |
| 992 | ); |
| 993 | |
| 994 | |
| 995 | /** |
| 996 | * Collator resolvedOptions method. |
| 997 | */ |
| 998 | %SetProperty(Intl.Collator.prototype, 'resolvedOptions', function() { |
| 999 | if (%_IsConstructCall()) { |
| 1000 | throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
| 1001 | } |
| 1002 | |
| 1003 | if (!this || typeof this !== 'object' || |
| 1004 | this.__initializedIntlObject !== 'collator') { |
| 1005 | throw new $TypeError('resolvedOptions method called on a non-object ' + |
| 1006 | 'or on a object that is not Intl.Collator.'); |
| 1007 | } |
| 1008 | |
| 1009 | var coll = this; |
| 1010 | var locale = getOptimalLanguageTag(coll.resolved.requestedLocale, |
| 1011 | coll.resolved.locale); |
| 1012 | |
| 1013 | return { |
| 1014 | locale: locale, |
| 1015 | usage: coll.resolved.usage, |
| 1016 | sensitivity: coll.resolved.sensitivity, |
| 1017 | ignorePunctuation: coll.resolved.ignorePunctuation, |
| 1018 | numeric: coll.resolved.numeric, |
| 1019 | caseFirst: coll.resolved.caseFirst, |
| 1020 | collation: coll.resolved.collation |
| 1021 | }; |
| 1022 | }, |
| 1023 | DONT_ENUM |
| 1024 | ); |
| 1025 | %FunctionSetName(Intl.Collator.prototype.resolvedOptions, 'resolvedOptions'); |
| 1026 | %FunctionRemovePrototype(Intl.Collator.prototype.resolvedOptions); |
| 1027 | %SetNativeFlag(Intl.Collator.prototype.resolvedOptions); |
| 1028 | |
| 1029 | |
| 1030 | /** |
| 1031 | * Returns the subset of the given locale list for which this locale list |
| 1032 | * has a matching (possibly fallback) locale. Locales appear in the same |
| 1033 | * order in the returned list as in the input list. |
| 1034 | * Options are optional parameter. |
| 1035 | */ |
| 1036 | %SetProperty(Intl.Collator, 'supportedLocalesOf', function(locales) { |
| 1037 | if (%_IsConstructCall()) { |
| 1038 | throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
| 1039 | } |
| 1040 | |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 1041 | return supportedLocalesOf('collator', locales, %_Arguments(1)); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1042 | }, |
| 1043 | DONT_ENUM |
| 1044 | ); |
| 1045 | %FunctionSetName(Intl.Collator.supportedLocalesOf, 'supportedLocalesOf'); |
| 1046 | %FunctionRemovePrototype(Intl.Collator.supportedLocalesOf); |
| 1047 | %SetNativeFlag(Intl.Collator.supportedLocalesOf); |
| 1048 | |
| 1049 | |
| 1050 | /** |
| 1051 | * When the compare method is called with two arguments x and y, it returns a |
| 1052 | * Number other than NaN that represents the result of a locale-sensitive |
| 1053 | * String comparison of x with y. |
| 1054 | * The result is intended to order String values in the sort order specified |
| 1055 | * by the effective locale and collation options computed during construction |
| 1056 | * of this Collator object, and will be negative, zero, or positive, depending |
| 1057 | * on whether x comes before y in the sort order, the Strings are equal under |
| 1058 | * the sort order, or x comes after y in the sort order, respectively. |
| 1059 | */ |
| 1060 | function compare(collator, x, y) { |
| 1061 | return %InternalCompare(collator.collator, $String(x), $String(y)); |
| 1062 | }; |
| 1063 | |
| 1064 | |
| 1065 | addBoundMethod(Intl.Collator, 'compare', compare, 2); |
| 1066 | |
| 1067 | /** |
| 1068 | * Verifies that the input is a well-formed ISO 4217 currency code. |
| 1069 | * Don't uppercase to test. It could convert invalid code into a valid one. |
| 1070 | * For example \u00DFP (Eszett+P) becomes SSP. |
| 1071 | */ |
| 1072 | function isWellFormedCurrencyCode(currency) { |
| 1073 | return typeof currency == "string" && |
| 1074 | currency.length == 3 && |
| 1075 | currency.match(/[^A-Za-z]/) == null; |
| 1076 | } |
| 1077 | |
| 1078 | |
| 1079 | /** |
| 1080 | * Returns the valid digit count for a property, or throws RangeError on |
| 1081 | * a value out of the range. |
| 1082 | */ |
| 1083 | function getNumberOption(options, property, min, max, fallback) { |
| 1084 | var value = options[property]; |
| 1085 | if (value !== undefined) { |
| 1086 | value = $Number(value); |
| 1087 | if ($isNaN(value) || value < min || value > max) { |
| 1088 | throw new $RangeError(property + ' value is out of range.'); |
| 1089 | } |
| 1090 | return $floor(value); |
| 1091 | } |
| 1092 | |
| 1093 | return fallback; |
| 1094 | } |
| 1095 | |
| 1096 | |
| 1097 | /** |
| 1098 | * Initializes the given object so it's a valid NumberFormat instance. |
| 1099 | * Useful for subclassing. |
| 1100 | */ |
| 1101 | function initializeNumberFormat(numberFormat, locales, options) { |
| 1102 | if (numberFormat.hasOwnProperty('__initializedIntlObject')) { |
| 1103 | throw new $TypeError('Trying to re-initialize NumberFormat object.'); |
| 1104 | } |
| 1105 | |
| 1106 | if (options === undefined) { |
| 1107 | options = {}; |
| 1108 | } |
| 1109 | |
| 1110 | var getOption = getGetOption(options, 'numberformat'); |
| 1111 | |
| 1112 | var locale = resolveLocale('numberformat', locales, options); |
| 1113 | |
| 1114 | var internalOptions = {}; |
| 1115 | defineWEProperty(internalOptions, 'style', getOption( |
| 1116 | 'style', 'string', ['decimal', 'percent', 'currency'], 'decimal')); |
| 1117 | |
| 1118 | var currency = getOption('currency', 'string'); |
| 1119 | if (currency !== undefined && !isWellFormedCurrencyCode(currency)) { |
| 1120 | throw new $RangeError('Invalid currency code: ' + currency); |
| 1121 | } |
| 1122 | |
| 1123 | if (internalOptions.style === 'currency' && currency === undefined) { |
| 1124 | throw new $TypeError('Currency code is required with currency style.'); |
| 1125 | } |
| 1126 | |
| 1127 | var currencyDisplay = getOption( |
| 1128 | 'currencyDisplay', 'string', ['code', 'symbol', 'name'], 'symbol'); |
| 1129 | if (internalOptions.style === 'currency') { |
| 1130 | defineWEProperty(internalOptions, 'currency', currency.toUpperCase()); |
| 1131 | defineWEProperty(internalOptions, 'currencyDisplay', currencyDisplay); |
| 1132 | } |
| 1133 | |
| 1134 | // Digit ranges. |
| 1135 | var mnid = getNumberOption(options, 'minimumIntegerDigits', 1, 21, 1); |
| 1136 | defineWEProperty(internalOptions, 'minimumIntegerDigits', mnid); |
| 1137 | |
| 1138 | var mnfd = getNumberOption(options, 'minimumFractionDigits', 0, 20, 0); |
| 1139 | defineWEProperty(internalOptions, 'minimumFractionDigits', mnfd); |
| 1140 | |
| 1141 | var mxfd = getNumberOption(options, 'maximumFractionDigits', mnfd, 20, 3); |
| 1142 | defineWEProperty(internalOptions, 'maximumFractionDigits', mxfd); |
| 1143 | |
| 1144 | var mnsd = options['minimumSignificantDigits']; |
| 1145 | var mxsd = options['maximumSignificantDigits']; |
| 1146 | if (mnsd !== undefined || mxsd !== undefined) { |
| 1147 | mnsd = getNumberOption(options, 'minimumSignificantDigits', 1, 21, 0); |
| 1148 | defineWEProperty(internalOptions, 'minimumSignificantDigits', mnsd); |
| 1149 | |
| 1150 | mxsd = getNumberOption(options, 'maximumSignificantDigits', mnsd, 21, 21); |
| 1151 | defineWEProperty(internalOptions, 'maximumSignificantDigits', mxsd); |
| 1152 | } |
| 1153 | |
| 1154 | // Grouping. |
| 1155 | defineWEProperty(internalOptions, 'useGrouping', getOption( |
| 1156 | 'useGrouping', 'boolean', undefined, true)); |
| 1157 | |
| 1158 | // ICU prefers options to be passed using -u- extension key/values for |
| 1159 | // number format, so we need to build that. |
| 1160 | var extensionMap = parseExtension(locale.extension); |
| 1161 | var extension = setOptions(options, extensionMap, NUMBER_FORMAT_KEY_MAP, |
| 1162 | getOption, internalOptions); |
| 1163 | |
| 1164 | var requestedLocale = locale.locale + extension; |
| 1165 | var resolved = $Object.defineProperties({}, { |
| 1166 | currency: {writable: true}, |
| 1167 | currencyDisplay: {writable: true}, |
| 1168 | locale: {writable: true}, |
| 1169 | maximumFractionDigits: {writable: true}, |
| 1170 | minimumFractionDigits: {writable: true}, |
| 1171 | minimumIntegerDigits: {writable: true}, |
| 1172 | numberingSystem: {writable: true}, |
| 1173 | requestedLocale: {value: requestedLocale, writable: true}, |
| 1174 | style: {value: internalOptions.style, writable: true}, |
| 1175 | useGrouping: {writable: true} |
| 1176 | }); |
| 1177 | if (internalOptions.hasOwnProperty('minimumSignificantDigits')) { |
| 1178 | defineWEProperty(resolved, 'minimumSignificantDigits', undefined); |
| 1179 | } |
| 1180 | if (internalOptions.hasOwnProperty('maximumSignificantDigits')) { |
| 1181 | defineWEProperty(resolved, 'maximumSignificantDigits', undefined); |
| 1182 | } |
| 1183 | var formatter = %CreateNumberFormat(requestedLocale, |
| 1184 | internalOptions, |
| 1185 | resolved); |
| 1186 | |
| 1187 | // We can't get information about number or currency style from ICU, so we |
| 1188 | // assume user request was fulfilled. |
| 1189 | if (internalOptions.style === 'currency') { |
| 1190 | $Object.defineProperty(resolved, 'currencyDisplay', {value: currencyDisplay, |
| 1191 | writable: true}); |
| 1192 | } |
| 1193 | |
| 1194 | $Object.defineProperty(numberFormat, 'formatter', {value: formatter}); |
| 1195 | $Object.defineProperty(numberFormat, 'resolved', {value: resolved}); |
| 1196 | $Object.defineProperty(numberFormat, '__initializedIntlObject', |
| 1197 | {value: 'numberformat'}); |
| 1198 | |
| 1199 | return numberFormat; |
| 1200 | } |
| 1201 | |
| 1202 | |
| 1203 | /** |
| 1204 | * Constructs Intl.NumberFormat object given optional locales and options |
| 1205 | * parameters. |
| 1206 | * |
| 1207 | * @constructor |
| 1208 | */ |
| 1209 | %SetProperty(Intl, 'NumberFormat', function() { |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 1210 | var locales = %_Arguments(0); |
| 1211 | var options = %_Arguments(1); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1212 | |
| 1213 | if (!this || this === Intl) { |
| 1214 | // Constructor is called as a function. |
| 1215 | return new Intl.NumberFormat(locales, options); |
| 1216 | } |
| 1217 | |
| 1218 | return initializeNumberFormat(toObject(this), locales, options); |
| 1219 | }, |
| 1220 | DONT_ENUM |
| 1221 | ); |
| 1222 | |
| 1223 | |
| 1224 | /** |
| 1225 | * NumberFormat resolvedOptions method. |
| 1226 | */ |
| 1227 | %SetProperty(Intl.NumberFormat.prototype, 'resolvedOptions', function() { |
| 1228 | if (%_IsConstructCall()) { |
| 1229 | throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
| 1230 | } |
| 1231 | |
| 1232 | if (!this || typeof this !== 'object' || |
| 1233 | this.__initializedIntlObject !== 'numberformat') { |
| 1234 | throw new $TypeError('resolvedOptions method called on a non-object' + |
| 1235 | ' or on a object that is not Intl.NumberFormat.'); |
| 1236 | } |
| 1237 | |
| 1238 | var format = this; |
| 1239 | var locale = getOptimalLanguageTag(format.resolved.requestedLocale, |
| 1240 | format.resolved.locale); |
| 1241 | |
| 1242 | var result = { |
| 1243 | locale: locale, |
| 1244 | numberingSystem: format.resolved.numberingSystem, |
| 1245 | style: format.resolved.style, |
| 1246 | useGrouping: format.resolved.useGrouping, |
| 1247 | minimumIntegerDigits: format.resolved.minimumIntegerDigits, |
| 1248 | minimumFractionDigits: format.resolved.minimumFractionDigits, |
| 1249 | maximumFractionDigits: format.resolved.maximumFractionDigits, |
| 1250 | }; |
| 1251 | |
| 1252 | if (result.style === 'currency') { |
| 1253 | defineWECProperty(result, 'currency', format.resolved.currency); |
| 1254 | defineWECProperty(result, 'currencyDisplay', |
| 1255 | format.resolved.currencyDisplay); |
| 1256 | } |
| 1257 | |
| 1258 | if (format.resolved.hasOwnProperty('minimumSignificantDigits')) { |
| 1259 | defineWECProperty(result, 'minimumSignificantDigits', |
| 1260 | format.resolved.minimumSignificantDigits); |
| 1261 | } |
| 1262 | |
| 1263 | if (format.resolved.hasOwnProperty('maximumSignificantDigits')) { |
| 1264 | defineWECProperty(result, 'maximumSignificantDigits', |
| 1265 | format.resolved.maximumSignificantDigits); |
| 1266 | } |
| 1267 | |
| 1268 | return result; |
| 1269 | }, |
| 1270 | DONT_ENUM |
| 1271 | ); |
| 1272 | %FunctionSetName(Intl.NumberFormat.prototype.resolvedOptions, |
| 1273 | 'resolvedOptions'); |
| 1274 | %FunctionRemovePrototype(Intl.NumberFormat.prototype.resolvedOptions); |
| 1275 | %SetNativeFlag(Intl.NumberFormat.prototype.resolvedOptions); |
| 1276 | |
| 1277 | |
| 1278 | /** |
| 1279 | * Returns the subset of the given locale list for which this locale list |
| 1280 | * has a matching (possibly fallback) locale. Locales appear in the same |
| 1281 | * order in the returned list as in the input list. |
| 1282 | * Options are optional parameter. |
| 1283 | */ |
| 1284 | %SetProperty(Intl.NumberFormat, 'supportedLocalesOf', function(locales) { |
| 1285 | if (%_IsConstructCall()) { |
| 1286 | throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
| 1287 | } |
| 1288 | |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 1289 | return supportedLocalesOf('numberformat', locales, %_Arguments(1)); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1290 | }, |
| 1291 | DONT_ENUM |
| 1292 | ); |
| 1293 | %FunctionSetName(Intl.NumberFormat.supportedLocalesOf, 'supportedLocalesOf'); |
| 1294 | %FunctionRemovePrototype(Intl.NumberFormat.supportedLocalesOf); |
| 1295 | %SetNativeFlag(Intl.NumberFormat.supportedLocalesOf); |
| 1296 | |
| 1297 | |
| 1298 | /** |
| 1299 | * Returns a String value representing the result of calling ToNumber(value) |
| 1300 | * according to the effective locale and the formatting options of this |
| 1301 | * NumberFormat. |
| 1302 | */ |
| 1303 | function formatNumber(formatter, value) { |
| 1304 | // Spec treats -0 and +0 as 0. |
machenbach@chromium.org | 0cc0950 | 2013-11-13 12:20:55 +0000 | [diff] [blame] | 1305 | var number = $Number(value) + 0; |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1306 | |
| 1307 | return %InternalNumberFormat(formatter.formatter, number); |
| 1308 | } |
| 1309 | |
| 1310 | |
| 1311 | /** |
| 1312 | * Returns a Number that represents string value that was passed in. |
| 1313 | */ |
| 1314 | function parseNumber(formatter, value) { |
| 1315 | return %InternalNumberParse(formatter.formatter, $String(value)); |
| 1316 | } |
| 1317 | |
| 1318 | |
| 1319 | addBoundMethod(Intl.NumberFormat, 'format', formatNumber, 1); |
| 1320 | addBoundMethod(Intl.NumberFormat, 'v8Parse', parseNumber, 1); |
| 1321 | |
| 1322 | /** |
| 1323 | * Returns a string that matches LDML representation of the options object. |
| 1324 | */ |
| 1325 | function toLDMLString(options) { |
| 1326 | var getOption = getGetOption(options, 'dateformat'); |
| 1327 | |
| 1328 | var ldmlString = ''; |
| 1329 | |
| 1330 | var option = getOption('weekday', 'string', ['narrow', 'short', 'long']); |
| 1331 | ldmlString += appendToLDMLString( |
| 1332 | option, {narrow: 'EEEEE', short: 'EEE', long: 'EEEE'}); |
| 1333 | |
| 1334 | option = getOption('era', 'string', ['narrow', 'short', 'long']); |
| 1335 | ldmlString += appendToLDMLString( |
| 1336 | option, {narrow: 'GGGGG', short: 'GGG', long: 'GGGG'}); |
| 1337 | |
| 1338 | option = getOption('year', 'string', ['2-digit', 'numeric']); |
| 1339 | ldmlString += appendToLDMLString(option, {'2-digit': 'yy', 'numeric': 'y'}); |
| 1340 | |
| 1341 | option = getOption('month', 'string', |
| 1342 | ['2-digit', 'numeric', 'narrow', 'short', 'long']); |
| 1343 | ldmlString += appendToLDMLString(option, {'2-digit': 'MM', 'numeric': 'M', |
| 1344 | 'narrow': 'MMMMM', 'short': 'MMM', 'long': 'MMMM'}); |
| 1345 | |
| 1346 | option = getOption('day', 'string', ['2-digit', 'numeric']); |
| 1347 | ldmlString += appendToLDMLString( |
| 1348 | option, {'2-digit': 'dd', 'numeric': 'd'}); |
| 1349 | |
| 1350 | var hr12 = getOption('hour12', 'boolean'); |
| 1351 | option = getOption('hour', 'string', ['2-digit', 'numeric']); |
| 1352 | if (hr12 === undefined) { |
| 1353 | ldmlString += appendToLDMLString(option, {'2-digit': 'jj', 'numeric': 'j'}); |
| 1354 | } else if (hr12 === true) { |
| 1355 | ldmlString += appendToLDMLString(option, {'2-digit': 'hh', 'numeric': 'h'}); |
| 1356 | } else { |
| 1357 | ldmlString += appendToLDMLString(option, {'2-digit': 'HH', 'numeric': 'H'}); |
| 1358 | } |
| 1359 | |
| 1360 | option = getOption('minute', 'string', ['2-digit', 'numeric']); |
| 1361 | ldmlString += appendToLDMLString(option, {'2-digit': 'mm', 'numeric': 'm'}); |
| 1362 | |
| 1363 | option = getOption('second', 'string', ['2-digit', 'numeric']); |
| 1364 | ldmlString += appendToLDMLString(option, {'2-digit': 'ss', 'numeric': 's'}); |
| 1365 | |
| 1366 | option = getOption('timeZoneName', 'string', ['short', 'long']); |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 1367 | ldmlString += appendToLDMLString(option, {short: 'z', long: 'zzzz'}); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1368 | |
| 1369 | return ldmlString; |
| 1370 | } |
| 1371 | |
| 1372 | |
| 1373 | /** |
| 1374 | * Returns either LDML equivalent of the current option or empty string. |
| 1375 | */ |
| 1376 | function appendToLDMLString(option, pairs) { |
| 1377 | if (option !== undefined) { |
| 1378 | return pairs[option]; |
| 1379 | } else { |
| 1380 | return ''; |
| 1381 | } |
| 1382 | } |
| 1383 | |
| 1384 | |
| 1385 | /** |
| 1386 | * Returns object that matches LDML representation of the date. |
| 1387 | */ |
| 1388 | function fromLDMLString(ldmlString) { |
| 1389 | // First remove '' quoted text, so we lose 'Uhr' strings. |
| 1390 | ldmlString = ldmlString.replace(GetQuotedStringRE(), ''); |
| 1391 | |
| 1392 | var options = {}; |
| 1393 | var match = ldmlString.match(/E{3,5}/g); |
| 1394 | options = appendToDateTimeObject( |
| 1395 | options, 'weekday', match, {EEEEE: 'narrow', EEE: 'short', EEEE: 'long'}); |
| 1396 | |
| 1397 | match = ldmlString.match(/G{3,5}/g); |
| 1398 | options = appendToDateTimeObject( |
| 1399 | options, 'era', match, {GGGGG: 'narrow', GGG: 'short', GGGG: 'long'}); |
| 1400 | |
| 1401 | match = ldmlString.match(/y{1,2}/g); |
| 1402 | options = appendToDateTimeObject( |
| 1403 | options, 'year', match, {y: 'numeric', yy: '2-digit'}); |
| 1404 | |
| 1405 | match = ldmlString.match(/M{1,5}/g); |
| 1406 | options = appendToDateTimeObject(options, 'month', match, {MM: '2-digit', |
| 1407 | M: 'numeric', MMMMM: 'narrow', MMM: 'short', MMMM: 'long'}); |
| 1408 | |
| 1409 | // Sometimes we get L instead of M for month - standalone name. |
| 1410 | match = ldmlString.match(/L{1,5}/g); |
| 1411 | options = appendToDateTimeObject(options, 'month', match, {LL: '2-digit', |
| 1412 | L: 'numeric', LLLLL: 'narrow', LLL: 'short', LLLL: 'long'}); |
| 1413 | |
| 1414 | match = ldmlString.match(/d{1,2}/g); |
| 1415 | options = appendToDateTimeObject( |
| 1416 | options, 'day', match, {d: 'numeric', dd: '2-digit'}); |
| 1417 | |
| 1418 | match = ldmlString.match(/h{1,2}/g); |
| 1419 | if (match !== null) { |
| 1420 | options['hour12'] = true; |
| 1421 | } |
| 1422 | options = appendToDateTimeObject( |
| 1423 | options, 'hour', match, {h: 'numeric', hh: '2-digit'}); |
| 1424 | |
| 1425 | match = ldmlString.match(/H{1,2}/g); |
| 1426 | if (match !== null) { |
| 1427 | options['hour12'] = false; |
| 1428 | } |
| 1429 | options = appendToDateTimeObject( |
| 1430 | options, 'hour', match, {H: 'numeric', HH: '2-digit'}); |
| 1431 | |
| 1432 | match = ldmlString.match(/m{1,2}/g); |
| 1433 | options = appendToDateTimeObject( |
| 1434 | options, 'minute', match, {m: 'numeric', mm: '2-digit'}); |
| 1435 | |
| 1436 | match = ldmlString.match(/s{1,2}/g); |
| 1437 | options = appendToDateTimeObject( |
| 1438 | options, 'second', match, {s: 'numeric', ss: '2-digit'}); |
| 1439 | |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 1440 | match = ldmlString.match(/z|zzzz/g); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1441 | options = appendToDateTimeObject( |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 1442 | options, 'timeZoneName', match, {z: 'short', zzzz: 'long'}); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1443 | |
| 1444 | return options; |
| 1445 | } |
| 1446 | |
| 1447 | |
| 1448 | function appendToDateTimeObject(options, option, match, pairs) { |
mstarzinger@chromium.org | 6900838 | 2013-10-18 10:34:25 +0000 | [diff] [blame] | 1449 | if (IS_NULL(match)) { |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1450 | if (!options.hasOwnProperty(option)) { |
| 1451 | defineWEProperty(options, option, undefined); |
| 1452 | } |
| 1453 | return options; |
| 1454 | } |
| 1455 | |
| 1456 | var property = match[0]; |
| 1457 | defineWEProperty(options, option, pairs[property]); |
| 1458 | |
| 1459 | return options; |
| 1460 | } |
| 1461 | |
| 1462 | |
| 1463 | /** |
| 1464 | * Returns options with at least default values in it. |
| 1465 | */ |
| 1466 | function toDateTimeOptions(options, required, defaults) { |
| 1467 | if (options === undefined) { |
| 1468 | options = null; |
| 1469 | } else { |
| 1470 | options = toObject(options); |
| 1471 | } |
| 1472 | |
| 1473 | options = $Object.apply(this, [options]); |
| 1474 | |
| 1475 | var needsDefault = true; |
| 1476 | if ((required === 'date' || required === 'any') && |
| 1477 | (options.weekday !== undefined || options.year !== undefined || |
| 1478 | options.month !== undefined || options.day !== undefined)) { |
| 1479 | needsDefault = false; |
| 1480 | } |
| 1481 | |
| 1482 | if ((required === 'time' || required === 'any') && |
| 1483 | (options.hour !== undefined || options.minute !== undefined || |
| 1484 | options.second !== undefined)) { |
| 1485 | needsDefault = false; |
| 1486 | } |
| 1487 | |
| 1488 | if (needsDefault && (defaults === 'date' || defaults === 'all')) { |
| 1489 | $Object.defineProperty(options, 'year', {value: 'numeric', |
| 1490 | writable: true, |
| 1491 | enumerable: true, |
| 1492 | configurable: true}); |
| 1493 | $Object.defineProperty(options, 'month', {value: 'numeric', |
| 1494 | writable: true, |
| 1495 | enumerable: true, |
| 1496 | configurable: true}); |
| 1497 | $Object.defineProperty(options, 'day', {value: 'numeric', |
| 1498 | writable: true, |
| 1499 | enumerable: true, |
| 1500 | configurable: true}); |
| 1501 | } |
| 1502 | |
| 1503 | if (needsDefault && (defaults === 'time' || defaults === 'all')) { |
| 1504 | $Object.defineProperty(options, 'hour', {value: 'numeric', |
| 1505 | writable: true, |
| 1506 | enumerable: true, |
| 1507 | configurable: true}); |
| 1508 | $Object.defineProperty(options, 'minute', {value: 'numeric', |
| 1509 | writable: true, |
| 1510 | enumerable: true, |
| 1511 | configurable: true}); |
| 1512 | $Object.defineProperty(options, 'second', {value: 'numeric', |
| 1513 | writable: true, |
| 1514 | enumerable: true, |
| 1515 | configurable: true}); |
| 1516 | } |
| 1517 | |
| 1518 | return options; |
| 1519 | } |
| 1520 | |
| 1521 | |
| 1522 | /** |
| 1523 | * Initializes the given object so it's a valid DateTimeFormat instance. |
| 1524 | * Useful for subclassing. |
| 1525 | */ |
| 1526 | function initializeDateTimeFormat(dateFormat, locales, options) { |
| 1527 | |
| 1528 | if (dateFormat.hasOwnProperty('__initializedIntlObject')) { |
| 1529 | throw new $TypeError('Trying to re-initialize DateTimeFormat object.'); |
| 1530 | } |
| 1531 | |
| 1532 | if (options === undefined) { |
| 1533 | options = {}; |
| 1534 | } |
| 1535 | |
| 1536 | var locale = resolveLocale('dateformat', locales, options); |
| 1537 | |
| 1538 | options = toDateTimeOptions(options, 'any', 'date'); |
| 1539 | |
| 1540 | var getOption = getGetOption(options, 'dateformat'); |
| 1541 | |
| 1542 | // We implement only best fit algorithm, but still need to check |
| 1543 | // if the formatMatcher values are in range. |
| 1544 | var matcher = getOption('formatMatcher', 'string', |
| 1545 | ['basic', 'best fit'], 'best fit'); |
| 1546 | |
| 1547 | // Build LDML string for the skeleton that we pass to the formatter. |
| 1548 | var ldmlString = toLDMLString(options); |
| 1549 | |
| 1550 | // Filter out supported extension keys so we know what to put in resolved |
| 1551 | // section later on. |
| 1552 | // We need to pass calendar and number system to the method. |
| 1553 | var tz = canonicalizeTimeZoneID(options.timeZone); |
| 1554 | |
| 1555 | // ICU prefers options to be passed using -u- extension key/values, so |
| 1556 | // we need to build that. |
| 1557 | var internalOptions = {}; |
| 1558 | var extensionMap = parseExtension(locale.extension); |
| 1559 | var extension = setOptions(options, extensionMap, DATETIME_FORMAT_KEY_MAP, |
| 1560 | getOption, internalOptions); |
| 1561 | |
| 1562 | var requestedLocale = locale.locale + extension; |
| 1563 | var resolved = $Object.defineProperties({}, { |
| 1564 | calendar: {writable: true}, |
| 1565 | day: {writable: true}, |
| 1566 | era: {writable: true}, |
| 1567 | hour12: {writable: true}, |
| 1568 | hour: {writable: true}, |
| 1569 | locale: {writable: true}, |
| 1570 | minute: {writable: true}, |
| 1571 | month: {writable: true}, |
| 1572 | numberingSystem: {writable: true}, |
| 1573 | pattern: {writable: true}, |
| 1574 | requestedLocale: {value: requestedLocale, writable: true}, |
| 1575 | second: {writable: true}, |
| 1576 | timeZone: {writable: true}, |
| 1577 | timeZoneName: {writable: true}, |
| 1578 | tz: {value: tz, writable: true}, |
| 1579 | weekday: {writable: true}, |
| 1580 | year: {writable: true} |
| 1581 | }); |
| 1582 | |
| 1583 | var formatter = %CreateDateTimeFormat( |
| 1584 | requestedLocale, {skeleton: ldmlString, timeZone: tz}, resolved); |
| 1585 | |
| 1586 | if (tz !== undefined && tz !== resolved.timeZone) { |
| 1587 | throw new $RangeError('Unsupported time zone specified ' + tz); |
| 1588 | } |
| 1589 | |
| 1590 | $Object.defineProperty(dateFormat, 'formatter', {value: formatter}); |
| 1591 | $Object.defineProperty(dateFormat, 'resolved', {value: resolved}); |
| 1592 | $Object.defineProperty(dateFormat, '__initializedIntlObject', |
| 1593 | {value: 'dateformat'}); |
| 1594 | |
| 1595 | return dateFormat; |
| 1596 | } |
| 1597 | |
| 1598 | |
| 1599 | /** |
| 1600 | * Constructs Intl.DateTimeFormat object given optional locales and options |
| 1601 | * parameters. |
| 1602 | * |
| 1603 | * @constructor |
| 1604 | */ |
| 1605 | %SetProperty(Intl, 'DateTimeFormat', function() { |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 1606 | var locales = %_Arguments(0); |
| 1607 | var options = %_Arguments(1); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1608 | |
| 1609 | if (!this || this === Intl) { |
| 1610 | // Constructor is called as a function. |
| 1611 | return new Intl.DateTimeFormat(locales, options); |
| 1612 | } |
| 1613 | |
| 1614 | return initializeDateTimeFormat(toObject(this), locales, options); |
| 1615 | }, |
| 1616 | DONT_ENUM |
| 1617 | ); |
| 1618 | |
| 1619 | |
| 1620 | /** |
| 1621 | * DateTimeFormat resolvedOptions method. |
| 1622 | */ |
| 1623 | %SetProperty(Intl.DateTimeFormat.prototype, 'resolvedOptions', function() { |
| 1624 | if (%_IsConstructCall()) { |
| 1625 | throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
| 1626 | } |
| 1627 | |
| 1628 | if (!this || typeof this !== 'object' || |
| 1629 | this.__initializedIntlObject !== 'dateformat') { |
| 1630 | throw new $TypeError('resolvedOptions method called on a non-object or ' + |
| 1631 | 'on a object that is not Intl.DateTimeFormat.'); |
| 1632 | } |
| 1633 | |
| 1634 | var format = this; |
| 1635 | var fromPattern = fromLDMLString(format.resolved.pattern); |
| 1636 | var userCalendar = ICU_CALENDAR_MAP[format.resolved.calendar]; |
| 1637 | if (userCalendar === undefined) { |
| 1638 | // Use ICU name if we don't have a match. It shouldn't happen, but |
| 1639 | // it would be too strict to throw for this. |
| 1640 | userCalendar = format.resolved.calendar; |
| 1641 | } |
| 1642 | |
| 1643 | var locale = getOptimalLanguageTag(format.resolved.requestedLocale, |
| 1644 | format.resolved.locale); |
| 1645 | |
| 1646 | var result = { |
| 1647 | locale: locale, |
| 1648 | numberingSystem: format.resolved.numberingSystem, |
| 1649 | calendar: userCalendar, |
| 1650 | timeZone: format.resolved.timeZone |
| 1651 | }; |
| 1652 | |
| 1653 | addWECPropertyIfDefined(result, 'timeZoneName', fromPattern.timeZoneName); |
| 1654 | addWECPropertyIfDefined(result, 'era', fromPattern.era); |
| 1655 | addWECPropertyIfDefined(result, 'year', fromPattern.year); |
| 1656 | addWECPropertyIfDefined(result, 'month', fromPattern.month); |
| 1657 | addWECPropertyIfDefined(result, 'day', fromPattern.day); |
| 1658 | addWECPropertyIfDefined(result, 'weekday', fromPattern.weekday); |
| 1659 | addWECPropertyIfDefined(result, 'hour12', fromPattern.hour12); |
| 1660 | addWECPropertyIfDefined(result, 'hour', fromPattern.hour); |
| 1661 | addWECPropertyIfDefined(result, 'minute', fromPattern.minute); |
| 1662 | addWECPropertyIfDefined(result, 'second', fromPattern.second); |
| 1663 | |
| 1664 | return result; |
| 1665 | }, |
| 1666 | DONT_ENUM |
| 1667 | ); |
| 1668 | %FunctionSetName(Intl.DateTimeFormat.prototype.resolvedOptions, |
| 1669 | 'resolvedOptions'); |
| 1670 | %FunctionRemovePrototype(Intl.DateTimeFormat.prototype.resolvedOptions); |
| 1671 | %SetNativeFlag(Intl.DateTimeFormat.prototype.resolvedOptions); |
| 1672 | |
| 1673 | |
| 1674 | /** |
| 1675 | * Returns the subset of the given locale list for which this locale list |
| 1676 | * has a matching (possibly fallback) locale. Locales appear in the same |
| 1677 | * order in the returned list as in the input list. |
| 1678 | * Options are optional parameter. |
| 1679 | */ |
| 1680 | %SetProperty(Intl.DateTimeFormat, 'supportedLocalesOf', function(locales) { |
| 1681 | if (%_IsConstructCall()) { |
| 1682 | throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
| 1683 | } |
| 1684 | |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 1685 | return supportedLocalesOf('dateformat', locales, %_Arguments(1)); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1686 | }, |
| 1687 | DONT_ENUM |
| 1688 | ); |
| 1689 | %FunctionSetName(Intl.DateTimeFormat.supportedLocalesOf, 'supportedLocalesOf'); |
| 1690 | %FunctionRemovePrototype(Intl.DateTimeFormat.supportedLocalesOf); |
| 1691 | %SetNativeFlag(Intl.DateTimeFormat.supportedLocalesOf); |
| 1692 | |
| 1693 | |
| 1694 | /** |
| 1695 | * Returns a String value representing the result of calling ToNumber(date) |
| 1696 | * according to the effective locale and the formatting options of this |
| 1697 | * DateTimeFormat. |
| 1698 | */ |
| 1699 | function formatDate(formatter, dateValue) { |
| 1700 | var dateMs; |
| 1701 | if (dateValue === undefined) { |
| 1702 | dateMs = $Date.now(); |
| 1703 | } else { |
| 1704 | dateMs = $Number(dateValue); |
| 1705 | } |
| 1706 | |
| 1707 | if (!$isFinite(dateMs)) { |
| 1708 | throw new $RangeError('Provided date is not in valid range.'); |
| 1709 | } |
| 1710 | |
| 1711 | return %InternalDateFormat(formatter.formatter, new $Date(dateMs)); |
| 1712 | } |
| 1713 | |
| 1714 | |
| 1715 | /** |
| 1716 | * Returns a Date object representing the result of calling ToString(value) |
| 1717 | * according to the effective locale and the formatting options of this |
| 1718 | * DateTimeFormat. |
| 1719 | * Returns undefined if date string cannot be parsed. |
| 1720 | */ |
| 1721 | function parseDate(formatter, value) { |
| 1722 | return %InternalDateParse(formatter.formatter, $String(value)); |
| 1723 | } |
| 1724 | |
| 1725 | |
| 1726 | // 0 because date is optional argument. |
| 1727 | addBoundMethod(Intl.DateTimeFormat, 'format', formatDate, 0); |
| 1728 | addBoundMethod(Intl.DateTimeFormat, 'v8Parse', parseDate, 1); |
| 1729 | |
| 1730 | |
| 1731 | /** |
| 1732 | * Returns canonical Area/Location name, or throws an exception if the zone |
| 1733 | * name is invalid IANA name. |
| 1734 | */ |
| 1735 | function canonicalizeTimeZoneID(tzID) { |
| 1736 | // Skip undefined zones. |
| 1737 | if (tzID === undefined) { |
| 1738 | return tzID; |
| 1739 | } |
| 1740 | |
| 1741 | // Special case handling (UTC, GMT). |
| 1742 | var upperID = tzID.toUpperCase(); |
| 1743 | if (upperID === 'UTC' || upperID === 'GMT' || |
| 1744 | upperID === 'ETC/UTC' || upperID === 'ETC/GMT') { |
| 1745 | return 'UTC'; |
| 1746 | } |
| 1747 | |
| 1748 | // We expect only _ and / beside ASCII letters. |
| 1749 | // All inputs should conform to Area/Location from now on. |
| 1750 | var match = GetTimezoneNameCheckRE().exec(tzID); |
mstarzinger@chromium.org | 6900838 | 2013-10-18 10:34:25 +0000 | [diff] [blame] | 1751 | if (IS_NULL(match)) { |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1752 | throw new $RangeError('Expected Area/Location for time zone, got ' + tzID); |
| 1753 | } |
| 1754 | |
| 1755 | var result = toTitleCaseWord(match[1]) + '/' + toTitleCaseWord(match[2]); |
| 1756 | var i = 3; |
| 1757 | while (match[i] !== undefined && i < match.length) { |
| 1758 | result = result + '_' + toTitleCaseWord(match[i]); |
| 1759 | i++; |
| 1760 | } |
| 1761 | |
| 1762 | return result; |
| 1763 | } |
| 1764 | |
| 1765 | /** |
| 1766 | * Initializes the given object so it's a valid BreakIterator instance. |
| 1767 | * Useful for subclassing. |
| 1768 | */ |
| 1769 | function initializeBreakIterator(iterator, locales, options) { |
| 1770 | if (iterator.hasOwnProperty('__initializedIntlObject')) { |
| 1771 | throw new $TypeError('Trying to re-initialize v8BreakIterator object.'); |
| 1772 | } |
| 1773 | |
| 1774 | if (options === undefined) { |
| 1775 | options = {}; |
| 1776 | } |
| 1777 | |
| 1778 | var getOption = getGetOption(options, 'breakiterator'); |
| 1779 | |
| 1780 | var internalOptions = {}; |
| 1781 | |
| 1782 | defineWEProperty(internalOptions, 'type', getOption( |
| 1783 | 'type', 'string', ['character', 'word', 'sentence', 'line'], 'word')); |
| 1784 | |
| 1785 | var locale = resolveLocale('breakiterator', locales, options); |
| 1786 | var resolved = $Object.defineProperties({}, { |
| 1787 | requestedLocale: {value: locale.locale, writable: true}, |
| 1788 | type: {value: internalOptions.type, writable: true}, |
| 1789 | locale: {writable: true} |
| 1790 | }); |
| 1791 | |
| 1792 | var internalIterator = %CreateBreakIterator(locale.locale, |
| 1793 | internalOptions, |
| 1794 | resolved); |
| 1795 | |
| 1796 | $Object.defineProperty(iterator, 'iterator', {value: internalIterator}); |
| 1797 | $Object.defineProperty(iterator, 'resolved', {value: resolved}); |
| 1798 | $Object.defineProperty(iterator, '__initializedIntlObject', |
| 1799 | {value: 'breakiterator'}); |
| 1800 | |
| 1801 | return iterator; |
| 1802 | } |
| 1803 | |
| 1804 | |
| 1805 | /** |
| 1806 | * Constructs Intl.v8BreakIterator object given optional locales and options |
| 1807 | * parameters. |
| 1808 | * |
| 1809 | * @constructor |
| 1810 | */ |
| 1811 | %SetProperty(Intl, 'v8BreakIterator', function() { |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 1812 | var locales = %_Arguments(0); |
| 1813 | var options = %_Arguments(1); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1814 | |
| 1815 | if (!this || this === Intl) { |
| 1816 | // Constructor is called as a function. |
| 1817 | return new Intl.v8BreakIterator(locales, options); |
| 1818 | } |
| 1819 | |
| 1820 | return initializeBreakIterator(toObject(this), locales, options); |
| 1821 | }, |
| 1822 | DONT_ENUM |
| 1823 | ); |
| 1824 | |
| 1825 | |
| 1826 | /** |
| 1827 | * BreakIterator resolvedOptions method. |
| 1828 | */ |
| 1829 | %SetProperty(Intl.v8BreakIterator.prototype, 'resolvedOptions', function() { |
| 1830 | if (%_IsConstructCall()) { |
| 1831 | throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
| 1832 | } |
| 1833 | |
| 1834 | if (!this || typeof this !== 'object' || |
| 1835 | this.__initializedIntlObject !== 'breakiterator') { |
| 1836 | throw new $TypeError('resolvedOptions method called on a non-object or ' + |
| 1837 | 'on a object that is not Intl.v8BreakIterator.'); |
| 1838 | } |
| 1839 | |
| 1840 | var segmenter = this; |
| 1841 | var locale = getOptimalLanguageTag(segmenter.resolved.requestedLocale, |
| 1842 | segmenter.resolved.locale); |
| 1843 | |
| 1844 | return { |
| 1845 | locale: locale, |
| 1846 | type: segmenter.resolved.type |
| 1847 | }; |
| 1848 | }, |
| 1849 | DONT_ENUM |
| 1850 | ); |
| 1851 | %FunctionSetName(Intl.v8BreakIterator.prototype.resolvedOptions, |
| 1852 | 'resolvedOptions'); |
| 1853 | %FunctionRemovePrototype(Intl.v8BreakIterator.prototype.resolvedOptions); |
| 1854 | %SetNativeFlag(Intl.v8BreakIterator.prototype.resolvedOptions); |
| 1855 | |
| 1856 | |
| 1857 | /** |
| 1858 | * Returns the subset of the given locale list for which this locale list |
| 1859 | * has a matching (possibly fallback) locale. Locales appear in the same |
| 1860 | * order in the returned list as in the input list. |
| 1861 | * Options are optional parameter. |
| 1862 | */ |
| 1863 | %SetProperty(Intl.v8BreakIterator, 'supportedLocalesOf', function(locales) { |
| 1864 | if (%_IsConstructCall()) { |
| 1865 | throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
| 1866 | } |
| 1867 | |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 1868 | return supportedLocalesOf('breakiterator', locales, %_Arguments(1)); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1869 | }, |
| 1870 | DONT_ENUM |
| 1871 | ); |
| 1872 | %FunctionSetName(Intl.v8BreakIterator.supportedLocalesOf, 'supportedLocalesOf'); |
| 1873 | %FunctionRemovePrototype(Intl.v8BreakIterator.supportedLocalesOf); |
| 1874 | %SetNativeFlag(Intl.v8BreakIterator.supportedLocalesOf); |
| 1875 | |
| 1876 | |
| 1877 | /** |
| 1878 | * Adopts text to segment using the iterator. Old text, if present, |
| 1879 | * gets discarded. |
| 1880 | */ |
| 1881 | function adoptText(iterator, text) { |
| 1882 | %BreakIteratorAdoptText(iterator.iterator, $String(text)); |
| 1883 | } |
| 1884 | |
| 1885 | |
| 1886 | /** |
| 1887 | * Returns index of the first break in the string and moves current pointer. |
| 1888 | */ |
| 1889 | function first(iterator) { |
| 1890 | return %BreakIteratorFirst(iterator.iterator); |
| 1891 | } |
| 1892 | |
| 1893 | |
| 1894 | /** |
| 1895 | * Returns the index of the next break and moves the pointer. |
| 1896 | */ |
| 1897 | function next(iterator) { |
| 1898 | return %BreakIteratorNext(iterator.iterator); |
| 1899 | } |
| 1900 | |
| 1901 | |
| 1902 | /** |
| 1903 | * Returns index of the current break. |
| 1904 | */ |
| 1905 | function current(iterator) { |
| 1906 | return %BreakIteratorCurrent(iterator.iterator); |
| 1907 | } |
| 1908 | |
| 1909 | |
| 1910 | /** |
| 1911 | * Returns type of the current break. |
| 1912 | */ |
| 1913 | function breakType(iterator) { |
| 1914 | return %BreakIteratorBreakType(iterator.iterator); |
| 1915 | } |
| 1916 | |
| 1917 | |
| 1918 | addBoundMethod(Intl.v8BreakIterator, 'adoptText', adoptText, 1); |
| 1919 | addBoundMethod(Intl.v8BreakIterator, 'first', first, 0); |
| 1920 | addBoundMethod(Intl.v8BreakIterator, 'next', next, 0); |
| 1921 | addBoundMethod(Intl.v8BreakIterator, 'current', current, 0); |
| 1922 | addBoundMethod(Intl.v8BreakIterator, 'breakType', breakType, 0); |
| 1923 | |
| 1924 | // Save references to Intl objects and methods we use, for added security. |
| 1925 | var savedObjects = { |
| 1926 | 'collator': Intl.Collator, |
| 1927 | 'numberformat': Intl.NumberFormat, |
| 1928 | 'dateformatall': Intl.DateTimeFormat, |
| 1929 | 'dateformatdate': Intl.DateTimeFormat, |
| 1930 | 'dateformattime': Intl.DateTimeFormat |
| 1931 | }; |
| 1932 | |
| 1933 | |
| 1934 | // Default (created with undefined locales and options parameters) collator, |
| 1935 | // number and date format instances. They'll be created as needed. |
| 1936 | var defaultObjects = { |
| 1937 | 'collator': undefined, |
| 1938 | 'numberformat': undefined, |
| 1939 | 'dateformatall': undefined, |
| 1940 | 'dateformatdate': undefined, |
| 1941 | 'dateformattime': undefined, |
| 1942 | }; |
| 1943 | |
| 1944 | |
| 1945 | /** |
| 1946 | * Returns cached or newly created instance of a given service. |
| 1947 | * We cache only default instances (where no locales or options are provided). |
| 1948 | */ |
| 1949 | function cachedOrNewService(service, locales, options, defaults) { |
| 1950 | var useOptions = (defaults === undefined) ? options : defaults; |
| 1951 | if (locales === undefined && options === undefined) { |
| 1952 | if (defaultObjects[service] === undefined) { |
| 1953 | defaultObjects[service] = new savedObjects[service](locales, useOptions); |
| 1954 | } |
| 1955 | return defaultObjects[service]; |
| 1956 | } |
| 1957 | return new savedObjects[service](locales, useOptions); |
| 1958 | } |
| 1959 | |
| 1960 | |
| 1961 | /** |
| 1962 | * Compares this and that, and returns less than 0, 0 or greater than 0 value. |
| 1963 | * Overrides the built-in method. |
| 1964 | */ |
| 1965 | $Object.defineProperty($String.prototype, 'localeCompare', { |
| 1966 | value: function(that) { |
| 1967 | if (%_IsConstructCall()) { |
| 1968 | throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
| 1969 | } |
| 1970 | |
mstarzinger@chromium.org | 6900838 | 2013-10-18 10:34:25 +0000 | [diff] [blame] | 1971 | if (IS_NULL_OR_UNDEFINED(this)) { |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1972 | throw new $TypeError('Method invoked on undefined or null value.'); |
| 1973 | } |
| 1974 | |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 1975 | var locales = %_Arguments(1); |
| 1976 | var options = %_Arguments(2); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1977 | var collator = cachedOrNewService('collator', locales, options); |
| 1978 | return compare(collator, this, that); |
| 1979 | }, |
| 1980 | writable: true, |
| 1981 | configurable: true, |
| 1982 | enumerable: false |
| 1983 | }); |
| 1984 | %FunctionSetName($String.prototype.localeCompare, 'localeCompare'); |
| 1985 | %FunctionRemovePrototype($String.prototype.localeCompare); |
| 1986 | %SetNativeFlag($String.prototype.localeCompare); |
| 1987 | |
| 1988 | |
| 1989 | /** |
| 1990 | * Formats a Number object (this) using locale and options values. |
| 1991 | * If locale or options are omitted, defaults are used. |
| 1992 | */ |
| 1993 | $Object.defineProperty($Number.prototype, 'toLocaleString', { |
| 1994 | value: function() { |
| 1995 | if (%_IsConstructCall()) { |
| 1996 | throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
| 1997 | } |
| 1998 | |
| 1999 | if (!(this instanceof $Number) && typeof(this) !== 'number') { |
| 2000 | throw new $TypeError('Method invoked on an object that is not Number.'); |
| 2001 | } |
| 2002 | |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 2003 | var locales = %_Arguments(0); |
| 2004 | var options = %_Arguments(1); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 2005 | var numberFormat = cachedOrNewService('numberformat', locales, options); |
| 2006 | return formatNumber(numberFormat, this); |
| 2007 | }, |
| 2008 | writable: true, |
| 2009 | configurable: true, |
| 2010 | enumerable: false |
| 2011 | }); |
| 2012 | %FunctionSetName($Number.prototype.toLocaleString, 'toLocaleString'); |
| 2013 | %FunctionRemovePrototype($Number.prototype.toLocaleString); |
| 2014 | %SetNativeFlag($Number.prototype.toLocaleString); |
| 2015 | |
| 2016 | |
| 2017 | /** |
| 2018 | * Returns actual formatted date or fails if date parameter is invalid. |
| 2019 | */ |
| 2020 | function toLocaleDateTime(date, locales, options, required, defaults, service) { |
| 2021 | if (!(date instanceof $Date)) { |
| 2022 | throw new $TypeError('Method invoked on an object that is not Date.'); |
| 2023 | } |
| 2024 | |
| 2025 | if ($isNaN(date)) { |
| 2026 | return 'Invalid Date'; |
| 2027 | } |
| 2028 | |
| 2029 | var internalOptions = toDateTimeOptions(options, required, defaults); |
| 2030 | |
| 2031 | var dateFormat = |
| 2032 | cachedOrNewService(service, locales, options, internalOptions); |
| 2033 | |
| 2034 | return formatDate(dateFormat, date); |
| 2035 | } |
| 2036 | |
| 2037 | |
| 2038 | /** |
| 2039 | * Formats a Date object (this) using locale and options values. |
| 2040 | * If locale or options are omitted, defaults are used - both date and time are |
| 2041 | * present in the output. |
| 2042 | */ |
| 2043 | $Object.defineProperty($Date.prototype, 'toLocaleString', { |
| 2044 | value: function() { |
| 2045 | if (%_IsConstructCall()) { |
| 2046 | throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
| 2047 | } |
| 2048 | |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 2049 | var locales = %_Arguments(0); |
| 2050 | var options = %_Arguments(1); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 2051 | return toLocaleDateTime( |
| 2052 | this, locales, options, 'any', 'all', 'dateformatall'); |
| 2053 | }, |
| 2054 | writable: true, |
| 2055 | configurable: true, |
| 2056 | enumerable: false |
| 2057 | }); |
| 2058 | %FunctionSetName($Date.prototype.toLocaleString, 'toLocaleString'); |
| 2059 | %FunctionRemovePrototype($Date.prototype.toLocaleString); |
| 2060 | %SetNativeFlag($Date.prototype.toLocaleString); |
| 2061 | |
| 2062 | |
| 2063 | /** |
| 2064 | * Formats a Date object (this) using locale and options values. |
| 2065 | * If locale or options are omitted, defaults are used - only date is present |
| 2066 | * in the output. |
| 2067 | */ |
| 2068 | $Object.defineProperty($Date.prototype, 'toLocaleDateString', { |
| 2069 | value: function() { |
| 2070 | if (%_IsConstructCall()) { |
| 2071 | throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
| 2072 | } |
| 2073 | |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 2074 | var locales = %_Arguments(0); |
| 2075 | var options = %_Arguments(1); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 2076 | return toLocaleDateTime( |
| 2077 | this, locales, options, 'date', 'date', 'dateformatdate'); |
| 2078 | }, |
| 2079 | writable: true, |
| 2080 | configurable: true, |
| 2081 | enumerable: false |
| 2082 | }); |
| 2083 | %FunctionSetName($Date.prototype.toLocaleDateString, 'toLocaleDateString'); |
| 2084 | %FunctionRemovePrototype($Date.prototype.toLocaleDateString); |
| 2085 | %SetNativeFlag($Date.prototype.toLocaleDateString); |
| 2086 | |
| 2087 | |
| 2088 | /** |
| 2089 | * Formats a Date object (this) using locale and options values. |
| 2090 | * If locale or options are omitted, defaults are used - only time is present |
| 2091 | * in the output. |
| 2092 | */ |
| 2093 | $Object.defineProperty($Date.prototype, 'toLocaleTimeString', { |
| 2094 | value: function() { |
| 2095 | if (%_IsConstructCall()) { |
| 2096 | throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); |
| 2097 | } |
| 2098 | |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 2099 | var locales = %_Arguments(0); |
| 2100 | var options = %_Arguments(1); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 2101 | return toLocaleDateTime( |
| 2102 | this, locales, options, 'time', 'time', 'dateformattime'); |
| 2103 | }, |
| 2104 | writable: true, |
| 2105 | configurable: true, |
| 2106 | enumerable: false |
| 2107 | }); |
| 2108 | %FunctionSetName($Date.prototype.toLocaleTimeString, 'toLocaleTimeString'); |
| 2109 | %FunctionRemovePrototype($Date.prototype.toLocaleTimeString); |
| 2110 | %SetNativeFlag($Date.prototype.toLocaleTimeString); |
| 2111 | |
| 2112 | return Intl; |
| 2113 | }())}); |