| // Copyright 2013 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // ECMAScript 402 API implementation. |
| |
| /** |
| * Intl object is a single object that has some named properties, |
| * all of which are constructors. |
| */ |
| (function(global, utils) { |
| |
| "use strict"; |
| |
| %CheckIsBootstrapping(); |
| |
| // ------------------------------------------------------------------- |
| // Imports |
| |
| var ArrayIndexOf; |
| var ArrayJoin; |
| var ArrayPush; |
| var GlobalBoolean = global.Boolean; |
| var GlobalDate = global.Date; |
| var GlobalNumber = global.Number; |
| var GlobalRegExp = global.RegExp; |
| var GlobalString = global.String; |
| var InstallFunctions = utils.InstallFunctions; |
| var InstallGetter = utils.InstallGetter; |
| var InternalPackedArray = utils.InternalPackedArray; |
| var InternalRegExpMatch; |
| var InternalRegExpReplace |
| var IsFinite; |
| var IsNaN; |
| var MakeError; |
| var MakeRangeError; |
| var MakeTypeError; |
| var ObjectDefineProperties = utils.ImportNow("ObjectDefineProperties"); |
| var ObjectDefineProperty = utils.ImportNow("ObjectDefineProperty"); |
| var ObjectHasOwnProperty = utils.ImportNow("ObjectHasOwnProperty"); |
| var OverrideFunction = utils.OverrideFunction; |
| var patternSymbol = utils.ImportNow("intl_pattern_symbol"); |
| var resolvedSymbol = utils.ImportNow("intl_resolved_symbol"); |
| var SetFunctionName = utils.SetFunctionName; |
| var StringIndexOf; |
| var StringLastIndexOf; |
| var StringSplit; |
| var StringSubstr; |
| var StringSubstring; |
| |
| utils.Import(function(from) { |
| ArrayIndexOf = from.ArrayIndexOf; |
| ArrayJoin = from.ArrayJoin; |
| ArrayPush = from.ArrayPush; |
| IsFinite = from.IsFinite; |
| IsNaN = from.IsNaN; |
| MakeError = from.MakeError; |
| MakeRangeError = from.MakeRangeError; |
| MakeTypeError = from.MakeTypeError; |
| InternalRegExpMatch = from.InternalRegExpMatch; |
| InternalRegExpReplace = from.InternalRegExpReplace; |
| StringIndexOf = from.StringIndexOf; |
| StringLastIndexOf = from.StringLastIndexOf; |
| StringSplit = from.StringSplit; |
| StringSubstr = from.StringSubstr; |
| StringSubstring = from.StringSubstring; |
| }); |
| |
| // Utilities for definitions |
| |
| function InstallFunction(object, name, func) { |
| InstallFunctions(object, DONT_ENUM, [name, func]); |
| } |
| |
| |
| function InstallConstructor(object, name, func) { |
| %CheckIsBootstrapping(); |
| SetFunctionName(func, name); |
| %AddNamedProperty(object, name, func, DONT_ENUM); |
| %SetNativeFlag(func); |
| %ToFastProperties(object); |
| } |
| |
| /** |
| * Adds bound method to the prototype of the given object. |
| */ |
| function AddBoundMethod(obj, methodName, implementation, length) { |
| %CheckIsBootstrapping(); |
| var internalName = %CreatePrivateSymbol(methodName); |
| var getter = function() { |
| if (!%IsInitializedIntlObject(this)) { |
| throw MakeTypeError(kMethodCalledOnWrongObject, methodName); |
| } |
| if (IS_UNDEFINED(this[internalName])) { |
| var boundMethod; |
| if (IS_UNDEFINED(length) || length === 2) { |
| boundMethod = (x, y) => implementation(this, x, y); |
| } else if (length === 1) { |
| boundMethod = x => implementation(this, x); |
| } else { |
| boundMethod = (...args) => { |
| // DateTimeFormat.format needs to be 0 arg method, but can stil |
| // receive optional dateValue param. If one was provided, pass it |
| // along. |
| if (args.length > 0) { |
| return implementation(this, args[0]); |
| } else { |
| return implementation(this); |
| } |
| } |
| } |
| // TODO(littledan): Once function name reform is shipped, remove the |
| // following line and wrap the boundMethod definition in an anonymous |
| // function macro. |
| %FunctionSetName(boundMethod, '__bound' + methodName + '__'); |
| %FunctionRemovePrototype(boundMethod); |
| %SetNativeFlag(boundMethod); |
| this[internalName] = boundMethod; |
| } |
| return this[internalName]; |
| }; |
| |
| InstallGetter(obj.prototype, methodName, getter, DONT_ENUM); |
| } |
| |
| // ------------------------------------------------------------------- |
| |
| var Intl = {}; |
| |
| %AddNamedProperty(global, "Intl", Intl, DONT_ENUM); |
| |
| /** |
| * Caches available locales for each service. |
| */ |
| var AVAILABLE_LOCALES = { |
| 'collator': UNDEFINED, |
| 'numberformat': UNDEFINED, |
| 'dateformat': UNDEFINED, |
| 'breakiterator': UNDEFINED |
| }; |
| |
| /** |
| * Caches default ICU locale. |
| */ |
| var DEFAULT_ICU_LOCALE = UNDEFINED; |
| |
| /** |
| * Unicode extension regular expression. |
| */ |
| var UNICODE_EXTENSION_RE = UNDEFINED; |
| |
| function GetUnicodeExtensionRE() { |
| if (IS_UNDEFINED(UNDEFINED)) { |
| UNICODE_EXTENSION_RE = new GlobalRegExp('-u(-[a-z0-9]{2,8})+', 'g'); |
| } |
| return UNICODE_EXTENSION_RE; |
| } |
| |
| /** |
| * Matches any Unicode extension. |
| */ |
| var ANY_EXTENSION_RE = UNDEFINED; |
| |
| function GetAnyExtensionRE() { |
| if (IS_UNDEFINED(ANY_EXTENSION_RE)) { |
| ANY_EXTENSION_RE = new GlobalRegExp('-[a-z0-9]{1}-.*', 'g'); |
| } |
| return ANY_EXTENSION_RE; |
| } |
| |
| /** |
| * Replace quoted text (single quote, anything but the quote and quote again). |
| */ |
| var QUOTED_STRING_RE = UNDEFINED; |
| |
| function GetQuotedStringRE() { |
| if (IS_UNDEFINED(QUOTED_STRING_RE)) { |
| QUOTED_STRING_RE = new GlobalRegExp("'[^']+'", 'g'); |
| } |
| return QUOTED_STRING_RE; |
| } |
| |
| /** |
| * Matches valid service name. |
| */ |
| var SERVICE_RE = UNDEFINED; |
| |
| function GetServiceRE() { |
| if (IS_UNDEFINED(SERVICE_RE)) { |
| SERVICE_RE = |
| new GlobalRegExp('^(collator|numberformat|dateformat|breakiterator)$'); |
| } |
| return SERVICE_RE; |
| } |
| |
| /** |
| * Validates a language tag against bcp47 spec. |
| * Actual value is assigned on first run. |
| */ |
| var LANGUAGE_TAG_RE = UNDEFINED; |
| |
| function GetLanguageTagRE() { |
| if (IS_UNDEFINED(LANGUAGE_TAG_RE)) { |
| BuildLanguageTagREs(); |
| } |
| return LANGUAGE_TAG_RE; |
| } |
| |
| /** |
| * Helps find duplicate variants in the language tag. |
| */ |
| var LANGUAGE_VARIANT_RE = UNDEFINED; |
| |
| function GetLanguageVariantRE() { |
| if (IS_UNDEFINED(LANGUAGE_VARIANT_RE)) { |
| BuildLanguageTagREs(); |
| } |
| return LANGUAGE_VARIANT_RE; |
| } |
| |
| /** |
| * Helps find duplicate singletons in the language tag. |
| */ |
| var LANGUAGE_SINGLETON_RE = UNDEFINED; |
| |
| function GetLanguageSingletonRE() { |
| if (IS_UNDEFINED(LANGUAGE_SINGLETON_RE)) { |
| BuildLanguageTagREs(); |
| } |
| return LANGUAGE_SINGLETON_RE; |
| } |
| |
| /** |
| * Matches valid IANA time zone names. |
| */ |
| var TIMEZONE_NAME_CHECK_RE = UNDEFINED; |
| |
| function GetTimezoneNameCheckRE() { |
| if (IS_UNDEFINED(TIMEZONE_NAME_CHECK_RE)) { |
| TIMEZONE_NAME_CHECK_RE = new GlobalRegExp( |
| '^([A-Za-z]+)/([A-Za-z_-]+)((?:\/[A-Za-z_-]+)+)*$'); |
| } |
| return TIMEZONE_NAME_CHECK_RE; |
| } |
| |
| /** |
| * Matches valid location parts of IANA time zone names. |
| */ |
| var TIMEZONE_NAME_LOCATION_PART_RE = UNDEFINED; |
| |
| function GetTimezoneNameLocationPartRE() { |
| if (IS_UNDEFINED(TIMEZONE_NAME_LOCATION_PART_RE)) { |
| TIMEZONE_NAME_LOCATION_PART_RE = |
| new GlobalRegExp('^([A-Za-z]+)((?:[_-][A-Za-z]+)+)*$'); |
| } |
| return TIMEZONE_NAME_LOCATION_PART_RE; |
| } |
| |
| |
| /** |
| * Returns an intersection of locales and service supported locales. |
| * Parameter locales is treated as a priority list. |
| */ |
| function supportedLocalesOf(service, locales, options) { |
| if (IS_NULL(InternalRegExpMatch(GetServiceRE(), service))) { |
| throw MakeError(kWrongServiceType, service); |
| } |
| |
| // Provide defaults if matcher was not specified. |
| if (IS_UNDEFINED(options)) { |
| options = {}; |
| } else { |
| options = TO_OBJECT(options); |
| } |
| |
| var matcher = options.localeMatcher; |
| if (!IS_UNDEFINED(matcher)) { |
| matcher = GlobalString(matcher); |
| if (matcher !== 'lookup' && matcher !== 'best fit') { |
| throw MakeRangeError(kLocaleMatcher, matcher); |
| } |
| } else { |
| matcher = 'best fit'; |
| } |
| |
| var requestedLocales = initializeLocaleList(locales); |
| |
| // Cache these, they don't ever change per service. |
| if (IS_UNDEFINED(AVAILABLE_LOCALES[service])) { |
| AVAILABLE_LOCALES[service] = getAvailableLocalesOf(service); |
| } |
| |
| // Use either best fit or lookup algorithm to match locales. |
| if (matcher === 'best fit') { |
| return initializeLocaleList(bestFitSupportedLocalesOf( |
| requestedLocales, AVAILABLE_LOCALES[service])); |
| } |
| |
| return initializeLocaleList(lookupSupportedLocalesOf( |
| requestedLocales, AVAILABLE_LOCALES[service])); |
| } |
| |
| |
| /** |
| * Returns the subset of the provided BCP 47 language priority list for which |
| * this service has a matching locale when using the BCP 47 Lookup algorithm. |
| * Locales appear in the same order in the returned list as in the input list. |
| */ |
| function lookupSupportedLocalesOf(requestedLocales, availableLocales) { |
| var matchedLocales = []; |
| for (var i = 0; i < requestedLocales.length; ++i) { |
| // Remove -u- extension. |
| var locale = InternalRegExpReplace( |
| GetUnicodeExtensionRE(), requestedLocales[i], ''); |
| do { |
| if (!IS_UNDEFINED(availableLocales[locale])) { |
| // Push requested locale not the resolved one. |
| %_Call(ArrayPush, matchedLocales, requestedLocales[i]); |
| break; |
| } |
| // Truncate locale if possible, if not break. |
| var pos = %_Call(StringLastIndexOf, locale, '-'); |
| if (pos === -1) { |
| break; |
| } |
| locale = %_Call(StringSubstring, locale, 0, pos); |
| } while (true); |
| } |
| |
| return matchedLocales; |
| } |
| |
| |
| /** |
| * Returns the subset of the provided BCP 47 language priority list for which |
| * this service has a matching locale when using the implementation |
| * dependent algorithm. |
| * Locales appear in the same order in the returned list as in the input list. |
| */ |
| function bestFitSupportedLocalesOf(requestedLocales, availableLocales) { |
| // TODO(cira): implement better best fit algorithm. |
| return lookupSupportedLocalesOf(requestedLocales, availableLocales); |
| } |
| |
| |
| /** |
| * Returns a getOption function that extracts property value for given |
| * options object. If property is missing it returns defaultValue. If value |
| * is out of range for that property it throws RangeError. |
| */ |
| function getGetOption(options, caller) { |
| if (IS_UNDEFINED(options)) throw MakeError(kDefaultOptionsMissing, caller); |
| |
| var getOption = function getOption(property, type, values, defaultValue) { |
| if (!IS_UNDEFINED(options[property])) { |
| var value = options[property]; |
| switch (type) { |
| case 'boolean': |
| value = GlobalBoolean(value); |
| break; |
| case 'string': |
| value = GlobalString(value); |
| break; |
| case 'number': |
| value = GlobalNumber(value); |
| break; |
| default: |
| throw MakeError(kWrongValueType); |
| } |
| |
| if (!IS_UNDEFINED(values) && %_Call(ArrayIndexOf, values, value) === -1) { |
| throw MakeRangeError(kValueOutOfRange, value, caller, property); |
| } |
| |
| return value; |
| } |
| |
| return defaultValue; |
| } |
| |
| return getOption; |
| } |
| |
| |
| /** |
| * Compares a BCP 47 language priority list requestedLocales against the locales |
| * in availableLocales and determines the best available language to meet the |
| * request. Two algorithms are available to match the locales: the Lookup |
| * algorithm described in RFC 4647 section 3.4, and an implementation dependent |
| * best-fit algorithm. Independent of the locale matching algorithm, options |
| * specified through Unicode locale extension sequences are negotiated |
| * separately, taking the caller's relevant extension keys and locale data as |
| * well as client-provided options into consideration. Returns an object with |
| * a locale property whose value is the language tag of the selected locale, |
| * and properties for each key in relevantExtensionKeys providing the selected |
| * value for that key. |
| */ |
| function resolveLocale(service, requestedLocales, options) { |
| requestedLocales = initializeLocaleList(requestedLocales); |
| |
| var getOption = getGetOption(options, service); |
| var matcher = getOption('localeMatcher', 'string', |
| ['lookup', 'best fit'], 'best fit'); |
| var resolved; |
| if (matcher === 'lookup') { |
| resolved = lookupMatcher(service, requestedLocales); |
| } else { |
| resolved = bestFitMatcher(service, requestedLocales); |
| } |
| |
| return resolved; |
| } |
| |
| |
| /** |
| * Returns best matched supported locale and extension info using basic |
| * lookup algorithm. |
| */ |
| function lookupMatcher(service, requestedLocales) { |
| if (IS_NULL(InternalRegExpMatch(GetServiceRE(), service))) { |
| throw MakeError(kWrongServiceType, service); |
| } |
| |
| // Cache these, they don't ever change per service. |
| if (IS_UNDEFINED(AVAILABLE_LOCALES[service])) { |
| AVAILABLE_LOCALES[service] = getAvailableLocalesOf(service); |
| } |
| |
| for (var i = 0; i < requestedLocales.length; ++i) { |
| // Remove all extensions. |
| var locale = InternalRegExpReplace( |
| GetAnyExtensionRE(), requestedLocales[i], ''); |
| do { |
| if (!IS_UNDEFINED(AVAILABLE_LOCALES[service][locale])) { |
| // Return the resolved locale and extension. |
| var extensionMatch = InternalRegExpMatch( |
| GetUnicodeExtensionRE(), requestedLocales[i]); |
| var extension = IS_NULL(extensionMatch) ? '' : extensionMatch[0]; |
| return {'locale': locale, 'extension': extension, 'position': i}; |
| } |
| // Truncate locale if possible. |
| var pos = %_Call(StringLastIndexOf, locale, '-'); |
| if (pos === -1) { |
| break; |
| } |
| locale = %_Call(StringSubstring, locale, 0, pos); |
| } while (true); |
| } |
| |
| // Didn't find a match, return default. |
| if (IS_UNDEFINED(DEFAULT_ICU_LOCALE)) { |
| DEFAULT_ICU_LOCALE = %GetDefaultICULocale(); |
| } |
| |
| return {'locale': DEFAULT_ICU_LOCALE, 'extension': '', 'position': -1}; |
| } |
| |
| |
| /** |
| * Returns best matched supported locale and extension info using |
| * implementation dependend algorithm. |
| */ |
| function bestFitMatcher(service, requestedLocales) { |
| // TODO(cira): implement better best fit algorithm. |
| return lookupMatcher(service, requestedLocales); |
| } |
| |
| |
| /** |
| * Parses Unicode extension into key - value map. |
| * Returns empty object if the extension string is invalid. |
| * We are not concerned with the validity of the values at this point. |
| */ |
| function parseExtension(extension) { |
| var extensionSplit = %_Call(StringSplit, extension, '-'); |
| |
| // Assume ['', 'u', ...] input, but don't throw. |
| if (extensionSplit.length <= 2 || |
| (extensionSplit[0] !== '' && extensionSplit[1] !== 'u')) { |
| return {}; |
| } |
| |
| // Key is {2}alphanum, value is {3,8}alphanum. |
| // Some keys may not have explicit values (booleans). |
| var extensionMap = {}; |
| var previousKey = UNDEFINED; |
| for (var i = 2; i < extensionSplit.length; ++i) { |
| var length = extensionSplit[i].length; |
| var element = extensionSplit[i]; |
| if (length === 2) { |
| extensionMap[element] = UNDEFINED; |
| previousKey = element; |
| } else if (length >= 3 && length <=8 && !IS_UNDEFINED(previousKey)) { |
| extensionMap[previousKey] = element; |
| previousKey = UNDEFINED; |
| } else { |
| // There is a value that's too long, or that doesn't have a key. |
| return {}; |
| } |
| } |
| |
| return extensionMap; |
| } |
| |
| |
| /** |
| * Populates internalOptions object with boolean key-value pairs |
| * from extensionMap and options. |
| * Returns filtered extension (number and date format constructors use |
| * Unicode extensions for passing parameters to ICU). |
| * It's used for extension-option pairs only, e.g. kn-normalization, but not |
| * for 'sensitivity' since it doesn't have extension equivalent. |
| * Extensions like nu and ca don't have options equivalent, so we place |
| * undefined in the map.property to denote that. |
| */ |
| function setOptions(inOptions, extensionMap, keyValues, getOption, outOptions) { |
| var extension = ''; |
| |
| var updateExtension = function updateExtension(key, value) { |
| return '-' + key + '-' + GlobalString(value); |
| } |
| |
| var updateProperty = function updateProperty(property, type, value) { |
| if (type === 'boolean' && (typeof value === 'string')) { |
| value = (value === 'true') ? true : false; |
| } |
| |
| if (!IS_UNDEFINED(property)) { |
| defineWEProperty(outOptions, property, value); |
| } |
| } |
| |
| for (var key in keyValues) { |
| if (HAS_OWN_PROPERTY(keyValues, key)) { |
| var value = UNDEFINED; |
| var map = keyValues[key]; |
| if (!IS_UNDEFINED(map.property)) { |
| // This may return true if user specifies numeric: 'false', since |
| // Boolean('nonempty') === true. |
| value = getOption(map.property, map.type, map.values); |
| } |
| if (!IS_UNDEFINED(value)) { |
| updateProperty(map.property, map.type, value); |
| extension += updateExtension(key, value); |
| continue; |
| } |
| // User options didn't have it, check Unicode extension. |
| // Here we want to convert strings 'true', 'false' into proper Boolean |
| // values (not a user error). |
| if (HAS_OWN_PROPERTY(extensionMap, key)) { |
| value = extensionMap[key]; |
| if (!IS_UNDEFINED(value)) { |
| updateProperty(map.property, map.type, value); |
| extension += updateExtension(key, value); |
| } else if (map.type === 'boolean') { |
| // Boolean keys are allowed not to have values in Unicode extension. |
| // Those default to true. |
| updateProperty(map.property, map.type, true); |
| extension += updateExtension(key, true); |
| } |
| } |
| } |
| } |
| |
| return extension === ''? '' : '-u' + extension; |
| } |
| |
| |
| /** |
| * Converts all OwnProperties into |
| * configurable: false, writable: false, enumerable: true. |
| */ |
| function freezeArray(array) { |
| var l = array.length; |
| for (var i = 0; i < l; i++) { |
| if (i in array) { |
| ObjectDefineProperty(array, i, {value: array[i], |
| configurable: false, |
| writable: false, |
| enumerable: true}); |
| } |
| } |
| |
| ObjectDefineProperty(array, 'length', {value: l, writable: false}); |
| return array; |
| } |
| |
| |
| /** |
| * It's sometimes desireable to leave user requested locale instead of ICU |
| * supported one (zh-TW is equivalent to zh-Hant-TW, so we should keep shorter |
| * one, if that was what user requested). |
| * This function returns user specified tag if its maximized form matches ICU |
| * resolved locale. If not we return ICU result. |
| */ |
| function getOptimalLanguageTag(original, resolved) { |
| // Returns Array<Object>, where each object has maximized and base properties. |
| // Maximized: zh -> zh-Hans-CN |
| // Base: zh-CN-u-ca-gregory -> zh-CN |
| // Take care of grandfathered or simple cases. |
| if (original === resolved) { |
| return original; |
| } |
| |
| var locales = %GetLanguageTagVariants([original, resolved]); |
| if (locales[0].maximized !== locales[1].maximized) { |
| return resolved; |
| } |
| |
| // Preserve extensions of resolved locale, but swap base tags with original. |
| var resolvedBase = new GlobalRegExp('^' + locales[1].base, 'g'); |
| return InternalRegExpReplace(resolvedBase, resolved, locales[0].base); |
| } |
| |
| |
| /** |
| * Returns an Object that contains all of supported locales for a given |
| * service. |
| * In addition to the supported locales we add xx-ZZ locale for each xx-Yyyy-ZZ |
| * that is supported. This is required by the spec. |
| */ |
| function getAvailableLocalesOf(service) { |
| var available = %AvailableLocalesOf(service); |
| |
| for (var i in available) { |
| if (HAS_OWN_PROPERTY(available, i)) { |
| var parts = InternalRegExpMatch( |
| /^([a-z]{2,3})-([A-Z][a-z]{3})-([A-Z]{2})$/, i); |
| if (!IS_NULL(parts)) { |
| // Build xx-ZZ. We don't care about the actual value, |
| // as long it's not undefined. |
| available[parts[1] + '-' + parts[3]] = null; |
| } |
| } |
| } |
| |
| return available; |
| } |
| |
| |
| /** |
| * Defines a property and sets writable and enumerable to true. |
| * Configurable is false by default. |
| */ |
| function defineWEProperty(object, property, value) { |
| ObjectDefineProperty(object, property, |
| {value: value, writable: true, enumerable: true}); |
| } |
| |
| |
| /** |
| * Adds property to an object if the value is not undefined. |
| * Sets configurable descriptor to false. |
| */ |
| function addWEPropertyIfDefined(object, property, value) { |
| if (!IS_UNDEFINED(value)) { |
| defineWEProperty(object, property, value); |
| } |
| } |
| |
| |
| /** |
| * Defines a property and sets writable, enumerable and configurable to true. |
| */ |
| function defineWECProperty(object, property, value) { |
| ObjectDefineProperty(object, property, {value: value, |
| writable: true, |
| enumerable: true, |
| configurable: true}); |
| } |
| |
| |
| /** |
| * Adds property to an object if the value is not undefined. |
| * Sets all descriptors to true. |
| */ |
| function addWECPropertyIfDefined(object, property, value) { |
| if (!IS_UNDEFINED(value)) { |
| defineWECProperty(object, property, value); |
| } |
| } |
| |
| |
| /** |
| * Returns titlecased word, aMeRricA -> America. |
| */ |
| function toTitleCaseWord(word) { |
| return %StringToUpperCase(%_Call(StringSubstr, word, 0, 1)) + |
| %StringToLowerCase(%_Call(StringSubstr, word, 1)); |
| } |
| |
| /** |
| * Returns titlecased location, bueNos_airES -> Buenos_Aires |
| * or ho_cHi_minH -> Ho_Chi_Minh. It is locale-agnostic and only |
| * deals with ASCII only characters. |
| * 'of', 'au' and 'es' are special-cased and lowercased. |
| */ |
| function toTitleCaseTimezoneLocation(location) { |
| var match = InternalRegExpMatch(GetTimezoneNameLocationPartRE(), location) |
| if (IS_NULL(match)) throw MakeRangeError(kExpectedLocation, location); |
| |
| var result = toTitleCaseWord(match[1]); |
| if (!IS_UNDEFINED(match[2]) && 2 < match.length) { |
| // The first character is a separator, '_' or '-'. |
| // None of IANA zone names has both '_' and '-'. |
| var separator = %_Call(StringSubstring, match[2], 0, 1); |
| var parts = %_Call(StringSplit, match[2], separator); |
| for (var i = 1; i < parts.length; i++) { |
| var part = parts[i] |
| var lowercasedPart = %StringToLowerCase(part); |
| result = result + separator + |
| ((lowercasedPart !== 'es' && |
| lowercasedPart !== 'of' && lowercasedPart !== 'au') ? |
| toTitleCaseWord(part) : lowercasedPart); |
| } |
| } |
| return result; |
| } |
| |
| /** |
| * Canonicalizes the language tag, or throws in case the tag is invalid. |
| */ |
| function canonicalizeLanguageTag(localeID) { |
| // null is typeof 'object' so we have to do extra check. |
| if (typeof localeID !== 'string' && typeof localeID !== 'object' || |
| IS_NULL(localeID)) { |
| throw MakeTypeError(kLanguageID); |
| } |
| |
| var localeString = GlobalString(localeID); |
| |
| if (isValidLanguageTag(localeString) === false) { |
| throw MakeRangeError(kInvalidLanguageTag, localeString); |
| } |
| |
| // This call will strip -kn but not -kn-true extensions. |
| // ICU bug filled - http://bugs.icu-project.org/trac/ticket/9265. |
| // TODO(cira): check if -u-kn-true-kc-true-kh-true still throws after |
| // upgrade to ICU 4.9. |
| var tag = %CanonicalizeLanguageTag(localeString); |
| if (tag === 'invalid-tag') { |
| throw MakeRangeError(kInvalidLanguageTag, localeString); |
| } |
| |
| return tag; |
| } |
| |
| |
| /** |
| * Returns an array where all locales are canonicalized and duplicates removed. |
| * Throws on locales that are not well formed BCP47 tags. |
| */ |
| function initializeLocaleList(locales) { |
| var seen = []; |
| if (IS_UNDEFINED(locales)) { |
| // Constructor is called without arguments. |
| seen = []; |
| } else { |
| // We allow single string localeID. |
| if (typeof locales === 'string') { |
| %_Call(ArrayPush, seen, canonicalizeLanguageTag(locales)); |
| return freezeArray(seen); |
| } |
| |
| var o = TO_OBJECT(locales); |
| var len = TO_UINT32(o.length); |
| |
| for (var k = 0; k < len; k++) { |
| if (k in o) { |
| var value = o[k]; |
| |
| var tag = canonicalizeLanguageTag(value); |
| |
| if (%_Call(ArrayIndexOf, seen, tag) === -1) { |
| %_Call(ArrayPush, seen, tag); |
| } |
| } |
| } |
| } |
| |
| return freezeArray(seen); |
| } |
| |
| |
| /** |
| * Validates the language tag. Section 2.2.9 of the bcp47 spec |
| * defines a valid tag. |
| * |
| * ICU is too permissible and lets invalid tags, like |
| * hant-cmn-cn, through. |
| * |
| * Returns false if the language tag is invalid. |
| */ |
| function isValidLanguageTag(locale) { |
| // Check if it's well-formed, including grandfadered tags. |
| if (IS_NULL(InternalRegExpMatch(GetLanguageTagRE(), locale))) { |
| return false; |
| } |
| |
| // Just return if it's a x- form. It's all private. |
| if (%_Call(StringIndexOf, locale, 'x-') === 0) { |
| return true; |
| } |
| |
| // Check if there are any duplicate variants or singletons (extensions). |
| |
| // Remove private use section. |
| locale = %_Call(StringSplit, locale, '-x-')[0]; |
| |
| // Skip language since it can match variant regex, so we start from 1. |
| // We are matching i-klingon here, but that's ok, since i-klingon-klingon |
| // is not valid and would fail LANGUAGE_TAG_RE test. |
| var variants = []; |
| var extensions = []; |
| var parts = %_Call(StringSplit, locale, '-'); |
| for (var i = 1; i < parts.length; i++) { |
| var value = parts[i]; |
| if (!IS_NULL(InternalRegExpMatch(GetLanguageVariantRE(), value)) && |
| extensions.length === 0) { |
| if (%_Call(ArrayIndexOf, variants, value) === -1) { |
| %_Call(ArrayPush, variants, value); |
| } else { |
| return false; |
| } |
| } |
| |
| if (!IS_NULL(InternalRegExpMatch(GetLanguageSingletonRE(), value))) { |
| if (%_Call(ArrayIndexOf, extensions, value) === -1) { |
| %_Call(ArrayPush, extensions, value); |
| } else { |
| return false; |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| |
| /** |
| * Builds a regular expresion that validates the language tag |
| * against bcp47 spec. |
| * Uses http://tools.ietf.org/html/bcp47, section 2.1, ABNF. |
| * Runs on load and initializes the global REs. |
| */ |
| function BuildLanguageTagREs() { |
| var alpha = '[a-zA-Z]'; |
| var digit = '[0-9]'; |
| var alphanum = '(' + alpha + '|' + digit + ')'; |
| var regular = '(art-lojban|cel-gaulish|no-bok|no-nyn|zh-guoyu|zh-hakka|' + |
| 'zh-min|zh-min-nan|zh-xiang)'; |
| var irregular = '(en-GB-oed|i-ami|i-bnn|i-default|i-enochian|i-hak|' + |
| 'i-klingon|i-lux|i-mingo|i-navajo|i-pwn|i-tao|i-tay|' + |
| 'i-tsu|sgn-BE-FR|sgn-BE-NL|sgn-CH-DE)'; |
| var grandfathered = '(' + irregular + '|' + regular + ')'; |
| var privateUse = '(x(-' + alphanum + '{1,8})+)'; |
| |
| var singleton = '(' + digit + '|[A-WY-Za-wy-z])'; |
| LANGUAGE_SINGLETON_RE = new GlobalRegExp('^' + singleton + '$', 'i'); |
| |
| var extension = '(' + singleton + '(-' + alphanum + '{2,8})+)'; |
| |
| var variant = '(' + alphanum + '{5,8}|(' + digit + alphanum + '{3}))'; |
| LANGUAGE_VARIANT_RE = new GlobalRegExp('^' + variant + '$', 'i'); |
| |
| var region = '(' + alpha + '{2}|' + digit + '{3})'; |
| var script = '(' + alpha + '{4})'; |
| var extLang = '(' + alpha + '{3}(-' + alpha + '{3}){0,2})'; |
| var language = '(' + alpha + '{2,3}(-' + extLang + ')?|' + alpha + '{4}|' + |
| alpha + '{5,8})'; |
| var langTag = language + '(-' + script + ')?(-' + region + ')?(-' + |
| variant + ')*(-' + extension + ')*(-' + privateUse + ')?'; |
| |
| var languageTag = |
| '^(' + langTag + '|' + privateUse + '|' + grandfathered + ')$'; |
| LANGUAGE_TAG_RE = new GlobalRegExp(languageTag, 'i'); |
| } |
| |
| var resolvedAccessor = { |
| get() { |
| %IncrementUseCounter(kIntlResolved); |
| return this[resolvedSymbol]; |
| }, |
| set(value) { |
| this[resolvedSymbol] = value; |
| } |
| }; |
| |
| /** |
| * Initializes the given object so it's a valid Collator instance. |
| * Useful for subclassing. |
| */ |
| function initializeCollator(collator, locales, options) { |
| if (%IsInitializedIntlObject(collator)) { |
| throw MakeTypeError(kReinitializeIntl, "Collator"); |
| } |
| |
| if (IS_UNDEFINED(options)) { |
| options = {}; |
| } |
| |
| var getOption = getGetOption(options, 'collator'); |
| |
| var internalOptions = {}; |
| |
| defineWEProperty(internalOptions, 'usage', getOption( |
| 'usage', 'string', ['sort', 'search'], 'sort')); |
| |
| var sensitivity = getOption('sensitivity', 'string', |
| ['base', 'accent', 'case', 'variant']); |
| if (IS_UNDEFINED(sensitivity) && internalOptions.usage === 'sort') { |
| sensitivity = 'variant'; |
| } |
| defineWEProperty(internalOptions, 'sensitivity', sensitivity); |
| |
| defineWEProperty(internalOptions, 'ignorePunctuation', getOption( |
| 'ignorePunctuation', 'boolean', UNDEFINED, false)); |
| |
| var locale = resolveLocale('collator', locales, options); |
| |
| // ICU can't take kb, kc... parameters through localeID, so we need to pass |
| // them as options. |
| // One exception is -co- which has to be part of the extension, but only for |
| // usage: sort, and its value can't be 'standard' or 'search'. |
| var extensionMap = parseExtension(locale.extension); |
| |
| /** |
| * Map of Unicode extensions to option properties, and their values and types, |
| * for a collator. |
| */ |
| var COLLATOR_KEY_MAP = { |
| 'kn': {'property': 'numeric', 'type': 'boolean'}, |
| 'kf': {'property': 'caseFirst', 'type': 'string', |
| 'values': ['false', 'lower', 'upper']} |
| }; |
| |
| setOptions( |
| options, extensionMap, COLLATOR_KEY_MAP, getOption, internalOptions); |
| |
| var collation = 'default'; |
| var extension = ''; |
| if (HAS_OWN_PROPERTY(extensionMap, 'co') && internalOptions.usage === 'sort') { |
| |
| /** |
| * Allowed -u-co- values. List taken from: |
| * http://unicode.org/repos/cldr/trunk/common/bcp47/collation.xml |
| */ |
| var ALLOWED_CO_VALUES = [ |
| 'big5han', 'dict', 'direct', 'ducet', 'gb2312', 'phonebk', 'phonetic', |
| 'pinyin', 'reformed', 'searchjl', 'stroke', 'trad', 'unihan', 'zhuyin' |
| ]; |
| |
| if (%_Call(ArrayIndexOf, ALLOWED_CO_VALUES, extensionMap.co) !== -1) { |
| extension = '-u-co-' + extensionMap.co; |
| // ICU can't tell us what the collation is, so save user's input. |
| collation = extensionMap.co; |
| } |
| } else if (internalOptions.usage === 'search') { |
| extension = '-u-co-search'; |
| } |
| defineWEProperty(internalOptions, 'collation', collation); |
| |
| var requestedLocale = locale.locale + extension; |
| |
| // We define all properties C++ code may produce, to prevent security |
| // problems. If malicious user decides to redefine Object.prototype.locale |
| // we can't just use plain x.locale = 'us' or in C++ Set("locale", "us"). |
| // ObjectDefineProperties will either succeed defining or throw an error. |
| var resolved = ObjectDefineProperties({}, { |
| caseFirst: {writable: true}, |
| collation: {value: internalOptions.collation, writable: true}, |
| ignorePunctuation: {writable: true}, |
| locale: {writable: true}, |
| numeric: {writable: true}, |
| requestedLocale: {value: requestedLocale, writable: true}, |
| sensitivity: {writable: true}, |
| strength: {writable: true}, |
| usage: {value: internalOptions.usage, writable: true} |
| }); |
| |
| var internalCollator = %CreateCollator(requestedLocale, |
| internalOptions, |
| resolved); |
| |
| // Writable, configurable and enumerable are set to false by default. |
| %MarkAsInitializedIntlObjectOfType(collator, 'collator', internalCollator); |
| collator[resolvedSymbol] = resolved; |
| ObjectDefineProperty(collator, 'resolved', resolvedAccessor); |
| |
| return collator; |
| } |
| |
| |
| /** |
| * Constructs Intl.Collator object given optional locales and options |
| * parameters. |
| * |
| * @constructor |
| */ |
| InstallConstructor(Intl, 'Collator', function() { |
| var locales = arguments[0]; |
| var options = arguments[1]; |
| |
| if (!this || this === Intl) { |
| // Constructor is called as a function. |
| return new Intl.Collator(locales, options); |
| } |
| |
| return initializeCollator(TO_OBJECT(this), locales, options); |
| } |
| ); |
| |
| |
| /** |
| * Collator resolvedOptions method. |
| */ |
| InstallFunction(Intl.Collator.prototype, 'resolvedOptions', function() { |
| if (!IS_UNDEFINED(new.target)) { |
| throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| } |
| |
| if (!%IsInitializedIntlObjectOfType(this, 'collator')) { |
| throw MakeTypeError(kResolvedOptionsCalledOnNonObject, "Collator"); |
| } |
| |
| var coll = this; |
| var locale = getOptimalLanguageTag(coll[resolvedSymbol].requestedLocale, |
| coll[resolvedSymbol].locale); |
| |
| return { |
| locale: locale, |
| usage: coll[resolvedSymbol].usage, |
| sensitivity: coll[resolvedSymbol].sensitivity, |
| ignorePunctuation: coll[resolvedSymbol].ignorePunctuation, |
| numeric: coll[resolvedSymbol].numeric, |
| caseFirst: coll[resolvedSymbol].caseFirst, |
| collation: coll[resolvedSymbol].collation |
| }; |
| } |
| ); |
| |
| |
| /** |
| * Returns the subset of the given locale list for which this locale list |
| * has a matching (possibly fallback) locale. Locales appear in the same |
| * order in the returned list as in the input list. |
| * Options are optional parameter. |
| */ |
| InstallFunction(Intl.Collator, 'supportedLocalesOf', function(locales) { |
| if (!IS_UNDEFINED(new.target)) { |
| throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| } |
| |
| return supportedLocalesOf('collator', locales, arguments[1]); |
| } |
| ); |
| |
| |
| /** |
| * When the compare method is called with two arguments x and y, it returns a |
| * Number other than NaN that represents the result of a locale-sensitive |
| * String comparison of x with y. |
| * The result is intended to order String values in the sort order specified |
| * by the effective locale and collation options computed during construction |
| * of this Collator object, and will be negative, zero, or positive, depending |
| * on whether x comes before y in the sort order, the Strings are equal under |
| * the sort order, or x comes after y in the sort order, respectively. |
| */ |
| function compare(collator, x, y) { |
| return %InternalCompare(%GetImplFromInitializedIntlObject(collator), |
| GlobalString(x), GlobalString(y)); |
| }; |
| |
| |
| AddBoundMethod(Intl.Collator, 'compare', compare, 2); |
| |
| /** |
| * Verifies that the input is a well-formed ISO 4217 currency code. |
| * Don't uppercase to test. It could convert invalid code into a valid one. |
| * For example \u00DFP (Eszett+P) becomes SSP. |
| */ |
| function isWellFormedCurrencyCode(currency) { |
| return typeof currency == "string" && currency.length == 3 && |
| IS_NULL(InternalRegExpMatch(/[^A-Za-z]/, currency)); |
| } |
| |
| |
| /** |
| * Returns the valid digit count for a property, or throws RangeError on |
| * a value out of the range. |
| */ |
| function getNumberOption(options, property, min, max, fallback) { |
| var value = options[property]; |
| if (!IS_UNDEFINED(value)) { |
| value = GlobalNumber(value); |
| if (IsNaN(value) || value < min || value > max) { |
| throw MakeRangeError(kPropertyValueOutOfRange, property); |
| } |
| return %math_floor(value); |
| } |
| |
| return fallback; |
| } |
| |
| var patternAccessor = { |
| get() { |
| %IncrementUseCounter(kIntlPattern); |
| return this[patternSymbol]; |
| }, |
| set(value) { |
| this[patternSymbol] = value; |
| } |
| }; |
| |
| /** |
| * Initializes the given object so it's a valid NumberFormat instance. |
| * Useful for subclassing. |
| */ |
| function initializeNumberFormat(numberFormat, locales, options) { |
| if (%IsInitializedIntlObject(numberFormat)) { |
| throw MakeTypeError(kReinitializeIntl, "NumberFormat"); |
| } |
| |
| if (IS_UNDEFINED(options)) { |
| options = {}; |
| } |
| |
| var getOption = getGetOption(options, 'numberformat'); |
| |
| var locale = resolveLocale('numberformat', locales, options); |
| |
| var internalOptions = {}; |
| defineWEProperty(internalOptions, 'style', getOption( |
| 'style', 'string', ['decimal', 'percent', 'currency'], 'decimal')); |
| |
| var currency = getOption('currency', 'string'); |
| if (!IS_UNDEFINED(currency) && !isWellFormedCurrencyCode(currency)) { |
| throw MakeRangeError(kInvalidCurrencyCode, currency); |
| } |
| |
| if (internalOptions.style === 'currency' && IS_UNDEFINED(currency)) { |
| throw MakeTypeError(kCurrencyCode); |
| } |
| |
| var currencyDisplay = getOption( |
| 'currencyDisplay', 'string', ['code', 'symbol', 'name'], 'symbol'); |
| if (internalOptions.style === 'currency') { |
| defineWEProperty(internalOptions, 'currency', %StringToUpperCase(currency)); |
| defineWEProperty(internalOptions, 'currencyDisplay', currencyDisplay); |
| } |
| |
| // Digit ranges. |
| var mnid = getNumberOption(options, 'minimumIntegerDigits', 1, 21, 1); |
| defineWEProperty(internalOptions, 'minimumIntegerDigits', mnid); |
| |
| var mnfd = options['minimumFractionDigits']; |
| var mxfd = options['maximumFractionDigits']; |
| if (!IS_UNDEFINED(mnfd) || internalOptions.style !== 'currency') { |
| mnfd = getNumberOption(options, 'minimumFractionDigits', 0, 20, 0); |
| defineWEProperty(internalOptions, 'minimumFractionDigits', mnfd); |
| } |
| |
| if (!IS_UNDEFINED(mxfd) || internalOptions.style !== 'currency') { |
| var min_mxfd = internalOptions.style === 'percent' ? 0 : 3; |
| mnfd = IS_UNDEFINED(mnfd) ? 0 : mnfd; |
| var fallback_limit = (mnfd > min_mxfd) ? mnfd : min_mxfd; |
| mxfd = getNumberOption(options, 'maximumFractionDigits', mnfd, 20, fallback_limit); |
| defineWEProperty(internalOptions, 'maximumFractionDigits', mxfd); |
| } |
| |
| var mnsd = options['minimumSignificantDigits']; |
| var mxsd = options['maximumSignificantDigits']; |
| if (!IS_UNDEFINED(mnsd) || !IS_UNDEFINED(mxsd)) { |
| mnsd = getNumberOption(options, 'minimumSignificantDigits', 1, 21, 0); |
| defineWEProperty(internalOptions, 'minimumSignificantDigits', mnsd); |
| |
| mxsd = getNumberOption(options, 'maximumSignificantDigits', mnsd, 21, 21); |
| defineWEProperty(internalOptions, 'maximumSignificantDigits', mxsd); |
| } |
| |
| // Grouping. |
| defineWEProperty(internalOptions, 'useGrouping', getOption( |
| 'useGrouping', 'boolean', UNDEFINED, true)); |
| |
| // ICU prefers options to be passed using -u- extension key/values for |
| // number format, so we need to build that. |
| var extensionMap = parseExtension(locale.extension); |
| |
| /** |
| * Map of Unicode extensions to option properties, and their values and types, |
| * for a number format. |
| */ |
| var NUMBER_FORMAT_KEY_MAP = { |
| 'nu': {'property': UNDEFINED, 'type': 'string'} |
| }; |
| |
| var extension = setOptions(options, extensionMap, NUMBER_FORMAT_KEY_MAP, |
| getOption, internalOptions); |
| |
| var requestedLocale = locale.locale + extension; |
| var resolved = ObjectDefineProperties({}, { |
| currency: {writable: true}, |
| currencyDisplay: {writable: true}, |
| locale: {writable: true}, |
| maximumFractionDigits: {writable: true}, |
| minimumFractionDigits: {writable: true}, |
| minimumIntegerDigits: {writable: true}, |
| numberingSystem: {writable: true}, |
| pattern: patternAccessor, |
| requestedLocale: {value: requestedLocale, writable: true}, |
| style: {value: internalOptions.style, writable: true}, |
| useGrouping: {writable: true} |
| }); |
| if (HAS_OWN_PROPERTY(internalOptions, 'minimumSignificantDigits')) { |
| defineWEProperty(resolved, 'minimumSignificantDigits', UNDEFINED); |
| } |
| if (HAS_OWN_PROPERTY(internalOptions, 'maximumSignificantDigits')) { |
| defineWEProperty(resolved, 'maximumSignificantDigits', UNDEFINED); |
| } |
| var formatter = %CreateNumberFormat(requestedLocale, |
| internalOptions, |
| resolved); |
| |
| if (internalOptions.style === 'currency') { |
| ObjectDefineProperty(resolved, 'currencyDisplay', {value: currencyDisplay, |
| writable: true}); |
| } |
| |
| %MarkAsInitializedIntlObjectOfType(numberFormat, 'numberformat', formatter); |
| numberFormat[resolvedSymbol] = resolved; |
| ObjectDefineProperty(numberFormat, 'resolved', resolvedAccessor); |
| |
| return numberFormat; |
| } |
| |
| |
| /** |
| * Constructs Intl.NumberFormat object given optional locales and options |
| * parameters. |
| * |
| * @constructor |
| */ |
| InstallConstructor(Intl, 'NumberFormat', function() { |
| var locales = arguments[0]; |
| var options = arguments[1]; |
| |
| if (!this || this === Intl) { |
| // Constructor is called as a function. |
| return new Intl.NumberFormat(locales, options); |
| } |
| |
| return initializeNumberFormat(TO_OBJECT(this), locales, options); |
| } |
| ); |
| |
| |
| /** |
| * NumberFormat resolvedOptions method. |
| */ |
| InstallFunction(Intl.NumberFormat.prototype, 'resolvedOptions', function() { |
| if (!IS_UNDEFINED(new.target)) { |
| throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| } |
| |
| if (!%IsInitializedIntlObjectOfType(this, 'numberformat')) { |
| throw MakeTypeError(kResolvedOptionsCalledOnNonObject, "NumberFormat"); |
| } |
| |
| var format = this; |
| var locale = getOptimalLanguageTag(format[resolvedSymbol].requestedLocale, |
| format[resolvedSymbol].locale); |
| |
| var result = { |
| locale: locale, |
| numberingSystem: format[resolvedSymbol].numberingSystem, |
| style: format[resolvedSymbol].style, |
| useGrouping: format[resolvedSymbol].useGrouping, |
| minimumIntegerDigits: format[resolvedSymbol].minimumIntegerDigits, |
| minimumFractionDigits: format[resolvedSymbol].minimumFractionDigits, |
| maximumFractionDigits: format[resolvedSymbol].maximumFractionDigits, |
| }; |
| |
| if (result.style === 'currency') { |
| defineWECProperty(result, 'currency', format[resolvedSymbol].currency); |
| defineWECProperty(result, 'currencyDisplay', |
| format[resolvedSymbol].currencyDisplay); |
| } |
| |
| if (HAS_OWN_PROPERTY(format[resolvedSymbol], 'minimumSignificantDigits')) { |
| defineWECProperty(result, 'minimumSignificantDigits', |
| format[resolvedSymbol].minimumSignificantDigits); |
| } |
| |
| if (HAS_OWN_PROPERTY(format[resolvedSymbol], 'maximumSignificantDigits')) { |
| defineWECProperty(result, 'maximumSignificantDigits', |
| format[resolvedSymbol].maximumSignificantDigits); |
| } |
| |
| return result; |
| } |
| ); |
| |
| |
| /** |
| * Returns the subset of the given locale list for which this locale list |
| * has a matching (possibly fallback) locale. Locales appear in the same |
| * order in the returned list as in the input list. |
| * Options are optional parameter. |
| */ |
| InstallFunction(Intl.NumberFormat, 'supportedLocalesOf', function(locales) { |
| if (!IS_UNDEFINED(new.target)) { |
| throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| } |
| |
| return supportedLocalesOf('numberformat', locales, arguments[1]); |
| } |
| ); |
| |
| |
| /** |
| * Returns a String value representing the result of calling ToNumber(value) |
| * according to the effective locale and the formatting options of this |
| * NumberFormat. |
| */ |
| function formatNumber(formatter, value) { |
| // Spec treats -0 and +0 as 0. |
| var number = TO_NUMBER(value) + 0; |
| |
| return %InternalNumberFormat(%GetImplFromInitializedIntlObject(formatter), |
| number); |
| } |
| |
| |
| /** |
| * Returns a Number that represents string value that was passed in. |
| */ |
| function parseNumber(formatter, value) { |
| return %InternalNumberParse(%GetImplFromInitializedIntlObject(formatter), |
| GlobalString(value)); |
| } |
| |
| |
| AddBoundMethod(Intl.NumberFormat, 'format', formatNumber, 1); |
| AddBoundMethod(Intl.NumberFormat, 'v8Parse', parseNumber, 1); |
| |
| /** |
| * Returns a string that matches LDML representation of the options object. |
| */ |
| function toLDMLString(options) { |
| var getOption = getGetOption(options, 'dateformat'); |
| |
| var ldmlString = ''; |
| |
| var option = getOption('weekday', 'string', ['narrow', 'short', 'long']); |
| ldmlString += appendToLDMLString( |
| option, {narrow: 'EEEEE', short: 'EEE', long: 'EEEE'}); |
| |
| option = getOption('era', 'string', ['narrow', 'short', 'long']); |
| ldmlString += appendToLDMLString( |
| option, {narrow: 'GGGGG', short: 'GGG', long: 'GGGG'}); |
| |
| option = getOption('year', 'string', ['2-digit', 'numeric']); |
| ldmlString += appendToLDMLString(option, {'2-digit': 'yy', 'numeric': 'y'}); |
| |
| option = getOption('month', 'string', |
| ['2-digit', 'numeric', 'narrow', 'short', 'long']); |
| ldmlString += appendToLDMLString(option, {'2-digit': 'MM', 'numeric': 'M', |
| 'narrow': 'MMMMM', 'short': 'MMM', 'long': 'MMMM'}); |
| |
| option = getOption('day', 'string', ['2-digit', 'numeric']); |
| ldmlString += appendToLDMLString( |
| option, {'2-digit': 'dd', 'numeric': 'd'}); |
| |
| var hr12 = getOption('hour12', 'boolean'); |
| option = getOption('hour', 'string', ['2-digit', 'numeric']); |
| if (IS_UNDEFINED(hr12)) { |
| ldmlString += appendToLDMLString(option, {'2-digit': 'jj', 'numeric': 'j'}); |
| } else if (hr12 === true) { |
| ldmlString += appendToLDMLString(option, {'2-digit': 'hh', 'numeric': 'h'}); |
| } else { |
| ldmlString += appendToLDMLString(option, {'2-digit': 'HH', 'numeric': 'H'}); |
| } |
| |
| option = getOption('minute', 'string', ['2-digit', 'numeric']); |
| ldmlString += appendToLDMLString(option, {'2-digit': 'mm', 'numeric': 'm'}); |
| |
| option = getOption('second', 'string', ['2-digit', 'numeric']); |
| ldmlString += appendToLDMLString(option, {'2-digit': 'ss', 'numeric': 's'}); |
| |
| option = getOption('timeZoneName', 'string', ['short', 'long']); |
| ldmlString += appendToLDMLString(option, {short: 'z', long: 'zzzz'}); |
| |
| return ldmlString; |
| } |
| |
| |
| /** |
| * Returns either LDML equivalent of the current option or empty string. |
| */ |
| function appendToLDMLString(option, pairs) { |
| if (!IS_UNDEFINED(option)) { |
| return pairs[option]; |
| } else { |
| return ''; |
| } |
| } |
| |
| |
| /** |
| * Returns object that matches LDML representation of the date. |
| */ |
| function fromLDMLString(ldmlString) { |
| // First remove '' quoted text, so we lose 'Uhr' strings. |
| ldmlString = InternalRegExpReplace(GetQuotedStringRE(), ldmlString, ''); |
| |
| var options = {}; |
| var match = InternalRegExpMatch(/E{3,5}/, ldmlString); |
| options = appendToDateTimeObject( |
| options, 'weekday', match, {EEEEE: 'narrow', EEE: 'short', EEEE: 'long'}); |
| |
| match = InternalRegExpMatch(/G{3,5}/, ldmlString); |
| options = appendToDateTimeObject( |
| options, 'era', match, {GGGGG: 'narrow', GGG: 'short', GGGG: 'long'}); |
| |
| match = InternalRegExpMatch(/y{1,2}/, ldmlString); |
| options = appendToDateTimeObject( |
| options, 'year', match, {y: 'numeric', yy: '2-digit'}); |
| |
| match = InternalRegExpMatch(/M{1,5}/, ldmlString); |
| options = appendToDateTimeObject(options, 'month', match, {MM: '2-digit', |
| M: 'numeric', MMMMM: 'narrow', MMM: 'short', MMMM: 'long'}); |
| |
| // Sometimes we get L instead of M for month - standalone name. |
| match = InternalRegExpMatch(/L{1,5}/, ldmlString); |
| options = appendToDateTimeObject(options, 'month', match, {LL: '2-digit', |
| L: 'numeric', LLLLL: 'narrow', LLL: 'short', LLLL: 'long'}); |
| |
| match = InternalRegExpMatch(/d{1,2}/, ldmlString); |
| options = appendToDateTimeObject( |
| options, 'day', match, {d: 'numeric', dd: '2-digit'}); |
| |
| match = InternalRegExpMatch(/h{1,2}/, ldmlString); |
| if (match !== null) { |
| options['hour12'] = true; |
| } |
| options = appendToDateTimeObject( |
| options, 'hour', match, {h: 'numeric', hh: '2-digit'}); |
| |
| match = InternalRegExpMatch(/H{1,2}/, ldmlString); |
| if (match !== null) { |
| options['hour12'] = false; |
| } |
| options = appendToDateTimeObject( |
| options, 'hour', match, {H: 'numeric', HH: '2-digit'}); |
| |
| match = InternalRegExpMatch(/m{1,2}/, ldmlString); |
| options = appendToDateTimeObject( |
| options, 'minute', match, {m: 'numeric', mm: '2-digit'}); |
| |
| match = InternalRegExpMatch(/s{1,2}/, ldmlString); |
| options = appendToDateTimeObject( |
| options, 'second', match, {s: 'numeric', ss: '2-digit'}); |
| |
| match = InternalRegExpMatch(/z|zzzz/, ldmlString); |
| options = appendToDateTimeObject( |
| options, 'timeZoneName', match, {z: 'short', zzzz: 'long'}); |
| |
| return options; |
| } |
| |
| |
| function appendToDateTimeObject(options, option, match, pairs) { |
| if (IS_NULL(match)) { |
| if (!HAS_OWN_PROPERTY(options, option)) { |
| defineWEProperty(options, option, UNDEFINED); |
| } |
| return options; |
| } |
| |
| var property = match[0]; |
| defineWEProperty(options, option, pairs[property]); |
| |
| return options; |
| } |
| |
| |
| /** |
| * Returns options with at least default values in it. |
| */ |
| function toDateTimeOptions(options, required, defaults) { |
| if (IS_UNDEFINED(options)) { |
| options = {}; |
| } else { |
| options = TO_OBJECT(options); |
| } |
| |
| var needsDefault = true; |
| if ((required === 'date' || required === 'any') && |
| (!IS_UNDEFINED(options.weekday) || !IS_UNDEFINED(options.year) || |
| !IS_UNDEFINED(options.month) || !IS_UNDEFINED(options.day))) { |
| needsDefault = false; |
| } |
| |
| if ((required === 'time' || required === 'any') && |
| (!IS_UNDEFINED(options.hour) || !IS_UNDEFINED(options.minute) || |
| !IS_UNDEFINED(options.second))) { |
| needsDefault = false; |
| } |
| |
| if (needsDefault && (defaults === 'date' || defaults === 'all')) { |
| ObjectDefineProperty(options, 'year', {value: 'numeric', |
| writable: true, |
| enumerable: true, |
| configurable: true}); |
| ObjectDefineProperty(options, 'month', {value: 'numeric', |
| writable: true, |
| enumerable: true, |
| configurable: true}); |
| ObjectDefineProperty(options, 'day', {value: 'numeric', |
| writable: true, |
| enumerable: true, |
| configurable: true}); |
| } |
| |
| if (needsDefault && (defaults === 'time' || defaults === 'all')) { |
| ObjectDefineProperty(options, 'hour', {value: 'numeric', |
| writable: true, |
| enumerable: true, |
| configurable: true}); |
| ObjectDefineProperty(options, 'minute', {value: 'numeric', |
| writable: true, |
| enumerable: true, |
| configurable: true}); |
| ObjectDefineProperty(options, 'second', {value: 'numeric', |
| writable: true, |
| enumerable: true, |
| configurable: true}); |
| } |
| |
| return options; |
| } |
| |
| |
| /** |
| * Initializes the given object so it's a valid DateTimeFormat instance. |
| * Useful for subclassing. |
| */ |
| function initializeDateTimeFormat(dateFormat, locales, options) { |
| |
| if (%IsInitializedIntlObject(dateFormat)) { |
| throw MakeTypeError(kReinitializeIntl, "DateTimeFormat"); |
| } |
| |
| if (IS_UNDEFINED(options)) { |
| options = {}; |
| } |
| |
| var locale = resolveLocale('dateformat', locales, options); |
| |
| options = toDateTimeOptions(options, 'any', 'date'); |
| |
| var getOption = getGetOption(options, 'dateformat'); |
| |
| // We implement only best fit algorithm, but still need to check |
| // if the formatMatcher values are in range. |
| var matcher = getOption('formatMatcher', 'string', |
| ['basic', 'best fit'], 'best fit'); |
| |
| // Build LDML string for the skeleton that we pass to the formatter. |
| var ldmlString = toLDMLString(options); |
| |
| // Filter out supported extension keys so we know what to put in resolved |
| // section later on. |
| // We need to pass calendar and number system to the method. |
| var tz = canonicalizeTimeZoneID(options.timeZone); |
| |
| // ICU prefers options to be passed using -u- extension key/values, so |
| // we need to build that. |
| var internalOptions = {}; |
| var extensionMap = parseExtension(locale.extension); |
| |
| /** |
| * Map of Unicode extensions to option properties, and their values and types, |
| * for a date/time format. |
| */ |
| var DATETIME_FORMAT_KEY_MAP = { |
| 'ca': {'property': UNDEFINED, 'type': 'string'}, |
| 'nu': {'property': UNDEFINED, 'type': 'string'} |
| }; |
| |
| var extension = setOptions(options, extensionMap, DATETIME_FORMAT_KEY_MAP, |
| getOption, internalOptions); |
| |
| var requestedLocale = locale.locale + extension; |
| var resolved = ObjectDefineProperties({}, { |
| calendar: {writable: true}, |
| day: {writable: true}, |
| era: {writable: true}, |
| hour12: {writable: true}, |
| hour: {writable: true}, |
| locale: {writable: true}, |
| minute: {writable: true}, |
| month: {writable: true}, |
| numberingSystem: {writable: true}, |
| [patternSymbol]: {writable: true}, |
| pattern: patternAccessor, |
| requestedLocale: {value: requestedLocale, writable: true}, |
| second: {writable: true}, |
| timeZone: {writable: true}, |
| timeZoneName: {writable: true}, |
| tz: {value: tz, writable: true}, |
| weekday: {writable: true}, |
| year: {writable: true} |
| }); |
| |
| var formatter = %CreateDateTimeFormat( |
| requestedLocale, {skeleton: ldmlString, timeZone: tz}, resolved); |
| |
| if (resolved.timeZone === "Etc/Unknown") { |
| throw MakeRangeError(kUnsupportedTimeZone, tz); |
| } |
| |
| %MarkAsInitializedIntlObjectOfType(dateFormat, 'dateformat', formatter); |
| dateFormat[resolvedSymbol] = resolved; |
| ObjectDefineProperty(dateFormat, 'resolved', resolvedAccessor); |
| |
| return dateFormat; |
| } |
| |
| |
| /** |
| * Constructs Intl.DateTimeFormat object given optional locales and options |
| * parameters. |
| * |
| * @constructor |
| */ |
| InstallConstructor(Intl, 'DateTimeFormat', function() { |
| var locales = arguments[0]; |
| var options = arguments[1]; |
| |
| if (!this || this === Intl) { |
| // Constructor is called as a function. |
| return new Intl.DateTimeFormat(locales, options); |
| } |
| |
| return initializeDateTimeFormat(TO_OBJECT(this), locales, options); |
| } |
| ); |
| |
| |
| /** |
| * DateTimeFormat resolvedOptions method. |
| */ |
| InstallFunction(Intl.DateTimeFormat.prototype, 'resolvedOptions', function() { |
| if (!IS_UNDEFINED(new.target)) { |
| throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| } |
| |
| if (!%IsInitializedIntlObjectOfType(this, 'dateformat')) { |
| throw MakeTypeError(kResolvedOptionsCalledOnNonObject, "DateTimeFormat"); |
| } |
| |
| /** |
| * Maps ICU calendar names into LDML type. |
| */ |
| var ICU_CALENDAR_MAP = { |
| 'gregorian': 'gregory', |
| 'japanese': 'japanese', |
| 'buddhist': 'buddhist', |
| 'roc': 'roc', |
| 'persian': 'persian', |
| 'islamic-civil': 'islamicc', |
| 'islamic': 'islamic', |
| 'hebrew': 'hebrew', |
| 'chinese': 'chinese', |
| 'indian': 'indian', |
| 'coptic': 'coptic', |
| 'ethiopic': 'ethiopic', |
| 'ethiopic-amete-alem': 'ethioaa' |
| }; |
| |
| var format = this; |
| var fromPattern = fromLDMLString(format[resolvedSymbol][patternSymbol]); |
| var userCalendar = ICU_CALENDAR_MAP[format[resolvedSymbol].calendar]; |
| if (IS_UNDEFINED(userCalendar)) { |
| // Use ICU name if we don't have a match. It shouldn't happen, but |
| // it would be too strict to throw for this. |
| userCalendar = format[resolvedSymbol].calendar; |
| } |
| |
| var locale = getOptimalLanguageTag(format[resolvedSymbol].requestedLocale, |
| format[resolvedSymbol].locale); |
| |
| var result = { |
| locale: locale, |
| numberingSystem: format[resolvedSymbol].numberingSystem, |
| calendar: userCalendar, |
| timeZone: format[resolvedSymbol].timeZone |
| }; |
| |
| addWECPropertyIfDefined(result, 'timeZoneName', fromPattern.timeZoneName); |
| addWECPropertyIfDefined(result, 'era', fromPattern.era); |
| addWECPropertyIfDefined(result, 'year', fromPattern.year); |
| addWECPropertyIfDefined(result, 'month', fromPattern.month); |
| addWECPropertyIfDefined(result, 'day', fromPattern.day); |
| addWECPropertyIfDefined(result, 'weekday', fromPattern.weekday); |
| addWECPropertyIfDefined(result, 'hour12', fromPattern.hour12); |
| addWECPropertyIfDefined(result, 'hour', fromPattern.hour); |
| addWECPropertyIfDefined(result, 'minute', fromPattern.minute); |
| addWECPropertyIfDefined(result, 'second', fromPattern.second); |
| |
| return result; |
| } |
| ); |
| |
| |
| /** |
| * Returns the subset of the given locale list for which this locale list |
| * has a matching (possibly fallback) locale. Locales appear in the same |
| * order in the returned list as in the input list. |
| * Options are optional parameter. |
| */ |
| InstallFunction(Intl.DateTimeFormat, 'supportedLocalesOf', function(locales) { |
| if (!IS_UNDEFINED(new.target)) { |
| throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| } |
| |
| return supportedLocalesOf('dateformat', locales, arguments[1]); |
| } |
| ); |
| |
| |
| /** |
| * Returns a String value representing the result of calling ToNumber(date) |
| * according to the effective locale and the formatting options of this |
| * DateTimeFormat. |
| */ |
| function formatDate(formatter, dateValue) { |
| var dateMs; |
| if (IS_UNDEFINED(dateValue)) { |
| dateMs = %DateCurrentTime(); |
| } else { |
| dateMs = TO_NUMBER(dateValue); |
| } |
| |
| if (!IsFinite(dateMs)) throw MakeRangeError(kDateRange); |
| |
| return %InternalDateFormat(%GetImplFromInitializedIntlObject(formatter), |
| new GlobalDate(dateMs)); |
| } |
| |
| |
| /** |
| * Returns a Date object representing the result of calling ToString(value) |
| * according to the effective locale and the formatting options of this |
| * DateTimeFormat. |
| * Returns undefined if date string cannot be parsed. |
| */ |
| function parseDate(formatter, value) { |
| return %InternalDateParse(%GetImplFromInitializedIntlObject(formatter), |
| GlobalString(value)); |
| } |
| |
| |
| // 0 because date is optional argument. |
| AddBoundMethod(Intl.DateTimeFormat, 'format', formatDate, 0); |
| AddBoundMethod(Intl.DateTimeFormat, 'v8Parse', parseDate, 1); |
| |
| |
| /** |
| * Returns canonical Area/Location(/Location) name, or throws an exception |
| * if the zone name is invalid IANA name. |
| */ |
| function canonicalizeTimeZoneID(tzID) { |
| // Skip undefined zones. |
| if (IS_UNDEFINED(tzID)) { |
| return tzID; |
| } |
| |
| // Special case handling (UTC, GMT). |
| var upperID = %StringToUpperCase(tzID); |
| if (upperID === 'UTC' || upperID === 'GMT' || |
| upperID === 'ETC/UTC' || upperID === 'ETC/GMT') { |
| return 'UTC'; |
| } |
| |
| // TODO(jshin): Add support for Etc/GMT[+-]([1-9]|1[0-2]) |
| |
| // We expect only _, '-' and / beside ASCII letters. |
| // All inputs should conform to Area/Location(/Location)* from now on. |
| var match = InternalRegExpMatch(GetTimezoneNameCheckRE(), tzID); |
| if (IS_NULL(match)) throw MakeRangeError(kExpectedTimezoneID, tzID); |
| |
| var result = toTitleCaseTimezoneLocation(match[1]) + '/' + |
| toTitleCaseTimezoneLocation(match[2]); |
| |
| if (!IS_UNDEFINED(match[3]) && 3 < match.length) { |
| var locations = %_Call(StringSplit, match[3], '/'); |
| // The 1st element is empty. Starts with i=1. |
| for (var i = 1; i < locations.length; i++) { |
| result = result + '/' + toTitleCaseTimezoneLocation(locations[i]); |
| } |
| } |
| |
| return result; |
| } |
| |
| /** |
| * Initializes the given object so it's a valid BreakIterator instance. |
| * Useful for subclassing. |
| */ |
| function initializeBreakIterator(iterator, locales, options) { |
| if (%IsInitializedIntlObject(iterator)) { |
| throw MakeTypeError(kReinitializeIntl, "v8BreakIterator"); |
| } |
| |
| if (IS_UNDEFINED(options)) { |
| options = {}; |
| } |
| |
| var getOption = getGetOption(options, 'breakiterator'); |
| |
| var internalOptions = {}; |
| |
| defineWEProperty(internalOptions, 'type', getOption( |
| 'type', 'string', ['character', 'word', 'sentence', 'line'], 'word')); |
| |
| var locale = resolveLocale('breakiterator', locales, options); |
| var resolved = ObjectDefineProperties({}, { |
| requestedLocale: {value: locale.locale, writable: true}, |
| type: {value: internalOptions.type, writable: true}, |
| locale: {writable: true} |
| }); |
| |
| var internalIterator = %CreateBreakIterator(locale.locale, |
| internalOptions, |
| resolved); |
| |
| %MarkAsInitializedIntlObjectOfType(iterator, 'breakiterator', |
| internalIterator); |
| iterator[resolvedSymbol] = resolved; |
| ObjectDefineProperty(iterator, 'resolved', resolvedAccessor); |
| |
| return iterator; |
| } |
| |
| |
| /** |
| * Constructs Intl.v8BreakIterator object given optional locales and options |
| * parameters. |
| * |
| * @constructor |
| */ |
| InstallConstructor(Intl, 'v8BreakIterator', function() { |
| var locales = arguments[0]; |
| var options = arguments[1]; |
| |
| if (!this || this === Intl) { |
| // Constructor is called as a function. |
| return new Intl.v8BreakIterator(locales, options); |
| } |
| |
| return initializeBreakIterator(TO_OBJECT(this), locales, options); |
| } |
| ); |
| |
| |
| /** |
| * BreakIterator resolvedOptions method. |
| */ |
| InstallFunction(Intl.v8BreakIterator.prototype, 'resolvedOptions', |
| function() { |
| if (!IS_UNDEFINED(new.target)) { |
| throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| } |
| |
| if (!%IsInitializedIntlObjectOfType(this, 'breakiterator')) { |
| throw MakeTypeError(kResolvedOptionsCalledOnNonObject, "v8BreakIterator"); |
| } |
| |
| var segmenter = this; |
| var locale = |
| getOptimalLanguageTag(segmenter[resolvedSymbol].requestedLocale, |
| segmenter[resolvedSymbol].locale); |
| |
| return { |
| locale: locale, |
| type: segmenter[resolvedSymbol].type |
| }; |
| } |
| ); |
| |
| |
| /** |
| * Returns the subset of the given locale list for which this locale list |
| * has a matching (possibly fallback) locale. Locales appear in the same |
| * order in the returned list as in the input list. |
| * Options are optional parameter. |
| */ |
| InstallFunction(Intl.v8BreakIterator, 'supportedLocalesOf', |
| function(locales) { |
| if (!IS_UNDEFINED(new.target)) { |
| throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| } |
| |
| return supportedLocalesOf('breakiterator', locales, arguments[1]); |
| } |
| ); |
| |
| |
| /** |
| * Adopts text to segment using the iterator. Old text, if present, |
| * gets discarded. |
| */ |
| function adoptText(iterator, text) { |
| %BreakIteratorAdoptText(%GetImplFromInitializedIntlObject(iterator), |
| GlobalString(text)); |
| } |
| |
| |
| /** |
| * Returns index of the first break in the string and moves current pointer. |
| */ |
| function first(iterator) { |
| return %BreakIteratorFirst(%GetImplFromInitializedIntlObject(iterator)); |
| } |
| |
| |
| /** |
| * Returns the index of the next break and moves the pointer. |
| */ |
| function next(iterator) { |
| return %BreakIteratorNext(%GetImplFromInitializedIntlObject(iterator)); |
| } |
| |
| |
| /** |
| * Returns index of the current break. |
| */ |
| function current(iterator) { |
| return %BreakIteratorCurrent(%GetImplFromInitializedIntlObject(iterator)); |
| } |
| |
| |
| /** |
| * Returns type of the current break. |
| */ |
| function breakType(iterator) { |
| return %BreakIteratorBreakType(%GetImplFromInitializedIntlObject(iterator)); |
| } |
| |
| |
| AddBoundMethod(Intl.v8BreakIterator, 'adoptText', adoptText, 1); |
| AddBoundMethod(Intl.v8BreakIterator, 'first', first, 0); |
| AddBoundMethod(Intl.v8BreakIterator, 'next', next, 0); |
| AddBoundMethod(Intl.v8BreakIterator, 'current', current, 0); |
| AddBoundMethod(Intl.v8BreakIterator, 'breakType', breakType, 0); |
| |
| // Save references to Intl objects and methods we use, for added security. |
| var savedObjects = { |
| 'collator': Intl.Collator, |
| 'numberformat': Intl.NumberFormat, |
| 'dateformatall': Intl.DateTimeFormat, |
| 'dateformatdate': Intl.DateTimeFormat, |
| 'dateformattime': Intl.DateTimeFormat |
| }; |
| |
| |
| // Default (created with undefined locales and options parameters) collator, |
| // number and date format instances. They'll be created as needed. |
| var defaultObjects = { |
| 'collator': UNDEFINED, |
| 'numberformat': UNDEFINED, |
| 'dateformatall': UNDEFINED, |
| 'dateformatdate': UNDEFINED, |
| 'dateformattime': UNDEFINED, |
| }; |
| |
| |
| /** |
| * Returns cached or newly created instance of a given service. |
| * We cache only default instances (where no locales or options are provided). |
| */ |
| function cachedOrNewService(service, locales, options, defaults) { |
| var useOptions = (IS_UNDEFINED(defaults)) ? options : defaults; |
| if (IS_UNDEFINED(locales) && IS_UNDEFINED(options)) { |
| if (IS_UNDEFINED(defaultObjects[service])) { |
| defaultObjects[service] = new savedObjects[service](locales, useOptions); |
| } |
| return defaultObjects[service]; |
| } |
| return new savedObjects[service](locales, useOptions); |
| } |
| |
| /** |
| * Compares this and that, and returns less than 0, 0 or greater than 0 value. |
| * Overrides the built-in method. |
| */ |
| OverrideFunction(GlobalString.prototype, 'localeCompare', function(that) { |
| if (!IS_UNDEFINED(new.target)) { |
| throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| } |
| |
| if (IS_NULL_OR_UNDEFINED(this)) { |
| throw MakeTypeError(kMethodInvokedOnNullOrUndefined); |
| } |
| |
| var locales = arguments[1]; |
| var options = arguments[2]; |
| var collator = cachedOrNewService('collator', locales, options); |
| return compare(collator, this, that); |
| } |
| ); |
| |
| |
| /** |
| * Unicode normalization. This method is called with one argument that |
| * specifies the normalization form. |
| * If none is specified, "NFC" is assumed. |
| * If the form is not one of "NFC", "NFD", "NFKC", or "NFKD", then throw |
| * a RangeError Exception. |
| */ |
| |
| OverrideFunction(GlobalString.prototype, 'normalize', function() { |
| if (!IS_UNDEFINED(new.target)) { |
| throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| } |
| |
| CHECK_OBJECT_COERCIBLE(this, "String.prototype.normalize"); |
| var s = TO_STRING(this); |
| |
| var formArg = arguments[0]; |
| var form = IS_UNDEFINED(formArg) ? 'NFC' : TO_STRING(formArg); |
| |
| var NORMALIZATION_FORMS = ['NFC', 'NFD', 'NFKC', 'NFKD']; |
| |
| var normalizationForm = %_Call(ArrayIndexOf, NORMALIZATION_FORMS, form); |
| if (normalizationForm === -1) { |
| throw MakeRangeError(kNormalizationForm, |
| %_Call(ArrayJoin, NORMALIZATION_FORMS, ', ')); |
| } |
| |
| return %StringNormalize(s, normalizationForm); |
| } |
| ); |
| |
| |
| /** |
| * Formats a Number object (this) using locale and options values. |
| * If locale or options are omitted, defaults are used. |
| */ |
| OverrideFunction(GlobalNumber.prototype, 'toLocaleString', function() { |
| if (!IS_UNDEFINED(new.target)) { |
| throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| } |
| |
| if (!(this instanceof GlobalNumber) && typeof(this) !== 'number') { |
| throw MakeTypeError(kMethodInvokedOnWrongType, "Number"); |
| } |
| |
| var locales = arguments[0]; |
| var options = arguments[1]; |
| var numberFormat = cachedOrNewService('numberformat', locales, options); |
| return formatNumber(numberFormat, this); |
| } |
| ); |
| |
| |
| /** |
| * Returns actual formatted date or fails if date parameter is invalid. |
| */ |
| function toLocaleDateTime(date, locales, options, required, defaults, service) { |
| if (!(date instanceof GlobalDate)) { |
| throw MakeTypeError(kMethodInvokedOnWrongType, "Date"); |
| } |
| |
| if (IsNaN(date)) return 'Invalid Date'; |
| |
| var internalOptions = toDateTimeOptions(options, required, defaults); |
| |
| var dateFormat = |
| cachedOrNewService(service, locales, options, internalOptions); |
| |
| return formatDate(dateFormat, date); |
| } |
| |
| |
| /** |
| * Formats a Date object (this) using locale and options values. |
| * If locale or options are omitted, defaults are used - both date and time are |
| * present in the output. |
| */ |
| OverrideFunction(GlobalDate.prototype, 'toLocaleString', function() { |
| if (!IS_UNDEFINED(new.target)) { |
| throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| } |
| |
| var locales = arguments[0]; |
| var options = arguments[1]; |
| return toLocaleDateTime( |
| this, locales, options, 'any', 'all', 'dateformatall'); |
| } |
| ); |
| |
| |
| /** |
| * Formats a Date object (this) using locale and options values. |
| * If locale or options are omitted, defaults are used - only date is present |
| * in the output. |
| */ |
| OverrideFunction(GlobalDate.prototype, 'toLocaleDateString', function() { |
| if (!IS_UNDEFINED(new.target)) { |
| throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| } |
| |
| var locales = arguments[0]; |
| var options = arguments[1]; |
| return toLocaleDateTime( |
| this, locales, options, 'date', 'date', 'dateformatdate'); |
| } |
| ); |
| |
| |
| /** |
| * Formats a Date object (this) using locale and options values. |
| * If locale or options are omitted, defaults are used - only time is present |
| * in the output. |
| */ |
| OverrideFunction(GlobalDate.prototype, 'toLocaleTimeString', function() { |
| if (!IS_UNDEFINED(new.target)) { |
| throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor); |
| } |
| |
| var locales = arguments[0]; |
| var options = arguments[1]; |
| return toLocaleDateTime( |
| this, locales, options, 'time', 'time', 'dateformattime'); |
| } |
| ); |
| |
| }) |