// Copyright 2013 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// ECMAScript 402 API implementation.
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/**
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* Intl object is a single object that has some named properties,
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* all of which are constructors.
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*/
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(function(global, utils) {
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"use strict";
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%CheckIsBootstrapping();
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// -------------------------------------------------------------------
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// Imports
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var ArrayJoin;
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var ArrayPush;
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var GlobalDate = global.Date;
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var GlobalIntl = global.Intl;
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var GlobalIntlDateTimeFormat = GlobalIntl.DateTimeFormat;
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var GlobalIntlNumberFormat = GlobalIntl.NumberFormat;
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var GlobalIntlCollator = GlobalIntl.Collator;
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var GlobalIntlPluralRules = GlobalIntl.PluralRules;
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var GlobalIntlv8BreakIterator = GlobalIntl.v8BreakIterator;
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var GlobalRegExp = global.RegExp;
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var GlobalString = global.String;
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var GlobalArray = global.Array;
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var IntlFallbackSymbol = utils.ImportNow("intl_fallback_symbol");
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var InternalArray = utils.InternalArray;
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var MathMax = global.Math.max;
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var ObjectHasOwnProperty = global.Object.prototype.hasOwnProperty;
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var ObjectKeys = global.Object.keys;
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var patternSymbol = utils.ImportNow("intl_pattern_symbol");
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var resolvedSymbol = utils.ImportNow("intl_resolved_symbol");
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var StringSubstr = GlobalString.prototype.substr;
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var StringSubstring = GlobalString.prototype.substring;
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utils.Import(function(from) {
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ArrayJoin = from.ArrayJoin;
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ArrayPush = from.ArrayPush;
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});
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// Utilities for definitions
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macro NUMBER_IS_NAN(arg)
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(%IS_VAR(arg) !== arg)
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endmacro
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// To avoid ES2015 Function name inference.
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macro ANONYMOUS_FUNCTION(fn)
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(0, (fn))
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endmacro
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/**
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* Adds bound method to the prototype of the given object.
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*/
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function AddBoundMethod(obj, methodName, implementation, length, type,
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compat) {
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%CheckIsBootstrapping();
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var internalName = %CreatePrivateSymbol(methodName);
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DEFINE_METHOD(
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obj.prototype,
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get [methodName]() {
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if(!IS_RECEIVER(this)) {
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throw %make_type_error(kIncompatibleMethodReceiver, methodName, this);
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}
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var receiver = %IntlUnwrapReceiver(this, type, obj, methodName, compat);
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if (IS_UNDEFINED(receiver[internalName])) {
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var boundMethod;
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if (IS_UNDEFINED(length) || length === 2) {
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boundMethod =
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ANONYMOUS_FUNCTION((fst, snd) => implementation(receiver, fst, snd));
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} else if (length === 1) {
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boundMethod = ANONYMOUS_FUNCTION(fst => implementation(receiver, fst));
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} else {
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boundMethod = ANONYMOUS_FUNCTION((...args) => {
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// DateTimeFormat.format needs to be 0 arg method, but can still
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// receive an optional dateValue param. If one was provided, pass it
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// along.
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if (args.length > 0) {
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return implementation(receiver, args[0]);
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} else {
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return implementation(receiver);
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}
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});
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}
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%SetNativeFlag(boundMethod);
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receiver[internalName] = boundMethod;
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}
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return receiver[internalName];
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}
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);
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}
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function IntlConstruct(receiver, constructor, create, newTarget, args,
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compat) {
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var locales = args[0];
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var options = args[1];
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var instance = create(locales, options);
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if (compat && IS_UNDEFINED(newTarget) && receiver instanceof constructor) {
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%object_define_property(receiver, IntlFallbackSymbol, { value: instance });
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return receiver;
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}
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return instance;
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}
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// -------------------------------------------------------------------
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/**
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* Caches available locales for each service.
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*/
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var AVAILABLE_LOCALES = {
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__proto__ : null,
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'collator': UNDEFINED,
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'numberformat': UNDEFINED,
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'dateformat': UNDEFINED,
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'breakiterator': UNDEFINED,
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'pluralrules': UNDEFINED,
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'relativetimeformat': UNDEFINED,
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'listformat': UNDEFINED,
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};
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/**
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* Unicode extension regular expression.
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*/
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var UNICODE_EXTENSION_RE = UNDEFINED;
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function GetUnicodeExtensionRE() {
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if (IS_UNDEFINED(UNDEFINED)) {
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UNICODE_EXTENSION_RE = new GlobalRegExp('-u(-[a-z0-9]{2,8})+', 'g');
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}
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return UNICODE_EXTENSION_RE;
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}
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/**
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* Matches any Unicode extension.
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*/
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var ANY_EXTENSION_RE = UNDEFINED;
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function GetAnyExtensionRE() {
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if (IS_UNDEFINED(ANY_EXTENSION_RE)) {
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ANY_EXTENSION_RE = new GlobalRegExp('-[a-z0-9]{1}-.*', 'g');
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}
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return ANY_EXTENSION_RE;
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}
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/**
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* Replace quoted text (single quote, anything but the quote and quote again).
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*/
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var QUOTED_STRING_RE = UNDEFINED;
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function GetQuotedStringRE() {
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if (IS_UNDEFINED(QUOTED_STRING_RE)) {
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QUOTED_STRING_RE = new GlobalRegExp("'[^']+'", 'g');
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}
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return QUOTED_STRING_RE;
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}
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/**
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* Matches valid service name.
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*/
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var SERVICE_RE = UNDEFINED;
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function GetServiceRE() {
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if (IS_UNDEFINED(SERVICE_RE)) {
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SERVICE_RE =
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new GlobalRegExp('^(' + %_Call(ArrayJoin, ObjectKeys(AVAILABLE_LOCALES), '|') + ')$');
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}
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return SERVICE_RE;
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}
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/**
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* Matches valid IANA time zone names.
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*/
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var TIMEZONE_NAME_CHECK_RE = UNDEFINED;
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var GMT_OFFSET_TIMEZONE_NAME_CHECK_RE = UNDEFINED;
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function GetTimezoneNameCheckRE() {
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if (IS_UNDEFINED(TIMEZONE_NAME_CHECK_RE)) {
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TIMEZONE_NAME_CHECK_RE = new GlobalRegExp(
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'^([A-Za-z]+)/([A-Za-z_-]+)((?:\/[A-Za-z_-]+)+)*$');
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}
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return TIMEZONE_NAME_CHECK_RE;
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}
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function GetGMTOffsetTimezoneNameCheckRE() {
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if (IS_UNDEFINED(GMT_OFFSET_TIMEZONE_NAME_CHECK_RE)) {
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GMT_OFFSET_TIMEZONE_NAME_CHECK_RE = new GlobalRegExp(
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'^(?:ETC/GMT)(?<offset>0|[+-](?:[0-9]|1[0-4]))$');
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}
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return GMT_OFFSET_TIMEZONE_NAME_CHECK_RE;
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}
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/**
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* Matches valid location parts of IANA time zone names.
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*/
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var TIMEZONE_NAME_LOCATION_PART_RE = UNDEFINED;
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function GetTimezoneNameLocationPartRE() {
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if (IS_UNDEFINED(TIMEZONE_NAME_LOCATION_PART_RE)) {
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TIMEZONE_NAME_LOCATION_PART_RE =
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new GlobalRegExp('^([A-Za-z]+)((?:[_-][A-Za-z]+)+)*$');
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}
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return TIMEZONE_NAME_LOCATION_PART_RE;
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}
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/**
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* Returns a getOption function that extracts property value for given
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* options object. If property is missing it returns defaultValue. If value
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* is out of range for that property it throws RangeError.
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*/
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function getGetOption(options, caller) {
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if (IS_UNDEFINED(options)) throw %make_error(kDefaultOptionsMissing, caller);
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// Ecma 402 #sec-getoption
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var getOption = function (property, type, values, fallback) {
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// 1. Let value be ? Get(options, property).
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var value = options[property];
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// 2. If value is not undefined, then
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if (!IS_UNDEFINED(value)) {
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switch (type) {
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// If type is "boolean", then let value be ToBoolean(value).
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case 'boolean':
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value = TO_BOOLEAN(value);
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break;
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// If type is "string", then let value be ToString(value).
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case 'string':
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value = TO_STRING(value);
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break;
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// Assert: type is "boolean" or "string".
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default:
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throw %make_error(kWrongValueType);
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}
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// d. If values is not undefined, then
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// If values does not contain an element equal to value, throw a
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// RangeError exception.
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if (!IS_UNDEFINED(values) && %ArrayIndexOf(values, value, 0) === -1) {
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throw %make_range_error(kValueOutOfRange, value, caller, property);
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}
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return value;
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}
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return fallback;
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}
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return getOption;
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}
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/**
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* Ecma 402 9.2.5
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* TODO(jshin): relevantExtensionKeys and localeData need to be taken into
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* account per spec.
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* Compares a BCP 47 language priority list requestedLocales against the locales
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* in availableLocales and determines the best available language to meet the
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* request. Two algorithms are available to match the locales: the Lookup
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* algorithm described in RFC 4647 section 3.4, and an implementation dependent
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* best-fit algorithm. Independent of the locale matching algorithm, options
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* specified through Unicode locale extension sequences are negotiated
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* separately, taking the caller's relevant extension keys and locale data as
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* well as client-provided options into consideration. Returns an object with
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* a locale property whose value is the language tag of the selected locale,
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* and properties for each key in relevantExtensionKeys providing the selected
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* value for that key.
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*/
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function resolveLocale(service, requestedLocales, options) {
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requestedLocales = initializeLocaleList(requestedLocales);
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var getOption = getGetOption(options, service);
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var matcher = getOption('localeMatcher', 'string',
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['lookup', 'best fit'], 'best fit');
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var resolved;
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if (matcher === 'lookup') {
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resolved = lookupMatcher(service, requestedLocales);
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} else {
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resolved = bestFitMatcher(service, requestedLocales);
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}
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return resolved;
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}
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%InstallToContext([
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"resolve_locale", resolveLocale
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]);
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/**
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* Look up the longest non-empty prefix of |locale| that is an element of
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* |availableLocales|. Returns undefined when the |locale| is completely
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* unsupported by |availableLocales|.
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*/
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function bestAvailableLocale(availableLocales, locale) {
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do {
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if (!IS_UNDEFINED(availableLocales[locale])) {
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return locale;
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}
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// Truncate locale if possible.
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var pos = %StringLastIndexOf(locale, '-');
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if (pos === -1) {
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break;
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}
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locale = %_Call(StringSubstring, locale, 0, pos);
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} while (true);
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return UNDEFINED;
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}
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/**
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* Try to match any mutation of |requestedLocale| against |availableLocales|.
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*/
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function attemptSingleLookup(availableLocales, requestedLocale) {
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// Remove all extensions.
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var noExtensionsLocale = %RegExpInternalReplace(
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GetAnyExtensionRE(), requestedLocale, '');
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var availableLocale = bestAvailableLocale(
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availableLocales, requestedLocale);
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if (!IS_UNDEFINED(availableLocale)) {
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// Return the resolved locale and extension.
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var extensionMatch = %regexp_internal_match(
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GetUnicodeExtensionRE(), requestedLocale);
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var extension = IS_NULL(extensionMatch) ? '' : extensionMatch[0];
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return {
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__proto__: null,
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locale: availableLocale,
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extension: extension,
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localeWithExtension: availableLocale + extension,
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};
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}
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return UNDEFINED;
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}
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/**
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* Returns best matched supported locale and extension info using basic
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* lookup algorithm.
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*/
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function lookupMatcher(service, requestedLocales) {
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if (IS_NULL(%regexp_internal_match(GetServiceRE(), service))) {
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throw %make_error(kWrongServiceType, service);
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}
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var availableLocales = getAvailableLocalesOf(service);
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for (var i = 0; i < requestedLocales.length; ++i) {
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var result = attemptSingleLookup(availableLocales, requestedLocales[i]);
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if (!IS_UNDEFINED(result)) {
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return result;
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}
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}
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var defLocale = %GetDefaultICULocale();
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// While ECMA-402 returns defLocale directly, we have to check if it is
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// supported, as such support is not guaranteed.
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var result = attemptSingleLookup(availableLocales, defLocale);
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if (!IS_UNDEFINED(result)) {
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return result;
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}
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// Didn't find a match, return default.
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return {
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__proto__: null,
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locale: 'und',
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extension: '',
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localeWithExtension: 'und',
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};
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}
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/**
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* Returns best matched supported locale and extension info using
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* implementation dependend algorithm.
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*/
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function bestFitMatcher(service, requestedLocales) {
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// TODO(cira): implement better best fit algorithm.
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return lookupMatcher(service, requestedLocales);
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}
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/**
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* Populates internalOptions object with boolean key-value pairs
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* from extensionMap and options.
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* Returns filtered extension (number and date format constructors use
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* Unicode extensions for passing parameters to ICU).
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* It's used for extension-option pairs only, e.g. kn-normalization, but not
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* for 'sensitivity' since it doesn't have extension equivalent.
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* Extensions like nu and ca don't have options equivalent, so we place
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* undefined in the map.property to denote that.
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*/
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function setOptions(inOptions, extensionMap, keyValues, getOption, outOptions) {
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var extension = '';
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var updateExtension = function updateExtension(key, value) {
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return '-' + key + '-' + TO_STRING(value);
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}
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var updateProperty = function updateProperty(property, type, value) {
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if (type === 'boolean' && (typeof value === 'string')) {
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value = (value === 'true') ? true : false;
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}
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if (!IS_UNDEFINED(property)) {
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%DefineWEProperty(outOptions, property, value);
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}
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}
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for (var key in keyValues) {
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if (HAS_OWN_PROPERTY(keyValues, key)) {
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var value = UNDEFINED;
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var map = keyValues[key];
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if (!IS_UNDEFINED(map.property)) {
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// This may return true if user specifies numeric: 'false', since
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// Boolean('nonempty') === true.
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value = getOption(map.property, map.type, map.values);
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}
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if (!IS_UNDEFINED(value)) {
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updateProperty(map.property, map.type, value);
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extension += updateExtension(key, value);
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continue;
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}
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// User options didn't have it, check Unicode extension.
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// Here we want to convert strings 'true', 'false' into proper Boolean
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// values (not a user error).
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if (HAS_OWN_PROPERTY(extensionMap, key)) {
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value = extensionMap[key];
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if (!IS_UNDEFINED(value)) {
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updateProperty(map.property, map.type, value);
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extension += updateExtension(key, value);
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} else if (map.type === 'boolean') {
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// Boolean keys are allowed not to have values in Unicode extension.
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// Those default to true.
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updateProperty(map.property, map.type, true);
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extension += updateExtension(key, true);
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}
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}
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}
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}
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return extension === ''? '' : '-u' + extension;
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}
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/**
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* Given an array-like, outputs an Array with the numbered
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* properties copied over and defined
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* configurable: false, writable: false, enumerable: true.
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* When |expandable| is true, the result array can be expanded.
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*/
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function freezeArray(input) {
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var array = [];
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var l = input.length;
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for (var i = 0; i < l; i++) {
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if (i in input) {
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%object_define_property(array, i, {value: input[i],
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configurable: false,
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writable: false,
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enumerable: true});
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}
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}
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%object_define_property(array, 'length', {value: l, writable: false});
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return array;
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}
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/* Make JS array[] out of InternalArray */
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function makeArray(input) {
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var array = [];
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%MoveArrayContents(input, array);
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return array;
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}
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/**
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* Returns an Object that contains all of supported locales for a given
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* service.
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* In addition to the supported locales we add xx-ZZ locale for each xx-Yyyy-ZZ
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* that is supported. This is required by the spec.
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*/
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function getAvailableLocalesOf(service) {
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// Cache these, they don't ever change per service.
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if (!IS_UNDEFINED(AVAILABLE_LOCALES[service])) {
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return AVAILABLE_LOCALES[service];
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}
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var available = %AvailableLocalesOf(service);
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for (var i in available) {
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if (HAS_OWN_PROPERTY(available, i)) {
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var parts = %regexp_internal_match(
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/^([a-z]{2,3})-([A-Z][a-z]{3})-([A-Z]{2})$/, i);
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if (!IS_NULL(parts)) {
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// Build xx-ZZ. We don't care about the actual value,
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// as long it's not undefined.
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available[parts[1] + '-' + parts[3]] = null;
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}
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}
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}
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AVAILABLE_LOCALES[service] = available;
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return available;
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}
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/**
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* Defines a property and sets writable, enumerable and configurable to true.
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*/
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function defineWECProperty(object, property, value) {
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%object_define_property(object, property, {value: value,
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writable: true,
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enumerable: true,
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configurable: true});
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}
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/**
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* Adds property to an object if the value is not undefined.
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* Sets all descriptors to true.
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*/
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function addWECPropertyIfDefined(object, property, value) {
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if (!IS_UNDEFINED(value)) {
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defineWECProperty(object, property, value);
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}
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}
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/**
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* Returns titlecased word, aMeRricA -> America.
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*/
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function toTitleCaseWord(word) {
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return %StringToUpperCaseIntl(%_Call(StringSubstr, word, 0, 1)) +
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%StringToLowerCaseIntl(%_Call(StringSubstr, word, 1));
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}
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/**
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* Returns titlecased location, bueNos_airES -> Buenos_Aires
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* or ho_cHi_minH -> Ho_Chi_Minh. It is locale-agnostic and only
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* deals with ASCII only characters.
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* 'of', 'au' and 'es' are special-cased and lowercased.
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*/
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function toTitleCaseTimezoneLocation(location) {
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var match = %regexp_internal_match(GetTimezoneNameLocationPartRE(), location)
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if (IS_NULL(match)) throw %make_range_error(kExpectedLocation, location);
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var result = toTitleCaseWord(match[1]);
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if (!IS_UNDEFINED(match[2]) && 2 < match.length) {
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// The first character is a separator, '_' or '-'.
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// None of IANA zone names has both '_' and '-'.
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var separator = %_Call(StringSubstring, match[2], 0, 1);
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var parts = %StringSplit(match[2], separator, kMaxUint32);
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for (var i = 1; i < parts.length; i++) {
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var part = parts[i]
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var lowercasedPart = %StringToLowerCaseIntl(part);
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result = result + separator +
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((lowercasedPart !== 'es' &&
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lowercasedPart !== 'of' && lowercasedPart !== 'au') ?
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toTitleCaseWord(part) : lowercasedPart);
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}
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}
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return result;
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}
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/**
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* Returns an InternalArray where all locales are canonicalized and duplicates
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* removed.
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* Throws on locales that are not well formed BCP47 tags.
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* ECMA 402 8.2.1 steps 1 (ECMA 402 9.2.1) and 2.
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*/
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function canonicalizeLocaleList(locales) {
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var seen = new InternalArray();
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if (!IS_UNDEFINED(locales)) {
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// We allow single string localeID.
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if (typeof locales === 'string') {
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%_Call(ArrayPush, seen, %CanonicalizeLanguageTag(locales));
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return seen;
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}
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var o = TO_OBJECT(locales);
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var len = TO_LENGTH(o.length);
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for (var k = 0; k < len; k++) {
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if (k in o) {
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var value = o[k];
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var tag = %CanonicalizeLanguageTag(value);
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if (%ArrayIndexOf(seen, tag, 0) === -1) {
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%_Call(ArrayPush, seen, tag);
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}
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}
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}
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}
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return seen;
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}
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// TODO(ftang): remove the %InstallToContext once
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// initializeLocaleList is available in C++
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// https://bugs.chromium.org/p/v8/issues/detail?id=7987
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%InstallToContext([
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"canonicalize_locale_list", canonicalizeLocaleList
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]);
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function initializeLocaleList(locales) {
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return freezeArray(canonicalizeLocaleList(locales));
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}
|
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// ECMA 402 section 8.2.1
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DEFINE_METHOD(
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GlobalIntl,
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getCanonicalLocales(locales) {
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return makeArray(canonicalizeLocaleList(locales));
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}
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);
|
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/**
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* Collator resolvedOptions method.
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*/
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DEFINE_METHOD(
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GlobalIntlCollator.prototype,
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resolvedOptions() {
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return %CollatorResolvedOptions(this);
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}
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);
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/**
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* Returns the subset of the given locale list for which this locale list
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* has a matching (possibly fallback) locale. Locales appear in the same
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* order in the returned list as in the input list.
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* Options are optional parameter.
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*/
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DEFINE_METHOD(
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GlobalIntlCollator,
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supportedLocalesOf(locales) {
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return %SupportedLocalesOf('collator', locales, arguments[1]);
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}
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);
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DEFINE_METHOD(
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GlobalIntlPluralRules.prototype,
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resolvedOptions() {
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return %PluralRulesResolvedOptions(this);
|
}
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);
|
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DEFINE_METHOD(
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GlobalIntlPluralRules,
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supportedLocalesOf(locales) {
|
return %SupportedLocalesOf('pluralrules', locales, arguments[1]);
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}
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);
|
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DEFINE_METHOD(
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GlobalIntlPluralRules.prototype,
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select(value) {
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return %PluralRulesSelect(this, TO_NUMBER(value) + 0);
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}
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);
|
|
// ECMA 402 #sec-setnfdigitoptions
|
// SetNumberFormatDigitOptions ( intlObj, options, mnfdDefault, mxfdDefault )
|
function SetNumberFormatDigitOptions(internalOptions, options,
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mnfdDefault, mxfdDefault) {
|
// Digit ranges.
|
var mnid = %GetNumberOption(options, 'minimumIntegerDigits', 1, 21, 1);
|
%DefineWEProperty(internalOptions, 'minimumIntegerDigits', mnid);
|
|
var mnfd = %GetNumberOption(options, 'minimumFractionDigits', 0, 20,
|
mnfdDefault);
|
%DefineWEProperty(internalOptions, 'minimumFractionDigits', mnfd);
|
|
var mxfdActualDefault = MathMax(mnfd, mxfdDefault);
|
|
var mxfd = %GetNumberOption(options, 'maximumFractionDigits', mnfd, 20,
|
mxfdActualDefault);
|
|
%DefineWEProperty(internalOptions, 'maximumFractionDigits', mxfd);
|
|
var mnsd = options['minimumSignificantDigits'];
|
var mxsd = options['maximumSignificantDigits'];
|
if (!IS_UNDEFINED(mnsd) || !IS_UNDEFINED(mxsd)) {
|
mnsd = %DefaultNumberOption(mnsd, 1, 21, 1, 'minimumSignificantDigits');
|
%DefineWEProperty(internalOptions, 'minimumSignificantDigits', mnsd);
|
|
mxsd = %DefaultNumberOption(mxsd, mnsd, 21, 21, 'maximumSignificantDigits');
|
%DefineWEProperty(internalOptions, 'maximumSignificantDigits', mxsd);
|
}
|
}
|
|
/**
|
* Initializes the given object so it's a valid NumberFormat instance.
|
* Useful for subclassing.
|
*/
|
function CreateNumberFormat(locales, options) {
|
if (IS_UNDEFINED(options)) {
|
options = {__proto__: null};
|
} else {
|
options = TO_OBJECT(options);
|
}
|
|
var getOption = getGetOption(options, 'numberformat');
|
|
var locale = resolveLocale('numberformat', locales, options);
|
|
var internalOptions = {__proto__: null};
|
%DefineWEProperty(internalOptions, 'style', getOption(
|
'style', 'string', ['decimal', 'percent', 'currency'], 'decimal'));
|
|
var currency = getOption('currency', 'string');
|
if (!IS_UNDEFINED(currency) && !%IsWellFormedCurrencyCode(currency)) {
|
throw %make_range_error(kInvalidCurrencyCode, currency);
|
}
|
|
if (internalOptions.style === 'currency' && IS_UNDEFINED(currency)) {
|
throw %make_type_error(kCurrencyCode);
|
}
|
|
var mnfdDefault, mxfdDefault;
|
|
var currencyDisplay = getOption(
|
'currencyDisplay', 'string', ['code', 'symbol', 'name'], 'symbol');
|
if (internalOptions.style === 'currency') {
|
%DefineWEProperty(internalOptions, 'currency', %StringToUpperCaseIntl(currency));
|
%DefineWEProperty(internalOptions, 'currencyDisplay', currencyDisplay);
|
|
mnfdDefault = mxfdDefault = %CurrencyDigits(internalOptions.currency);
|
} else {
|
mnfdDefault = 0;
|
mxfdDefault = internalOptions.style === 'percent' ? 0 : 3;
|
}
|
|
SetNumberFormatDigitOptions(internalOptions, options, mnfdDefault,
|
mxfdDefault);
|
|
// 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 = {
|
__proto__: null,
|
'nu': {__proto__: null, 'property': UNDEFINED, 'type': 'string'}
|
};
|
|
var extension = setOptions(options, extensionMap, NUMBER_FORMAT_KEY_MAP,
|
getOption, internalOptions);
|
|
var requestedLocale = locale.locale + extension;
|
var resolved = %object_define_properties({__proto__: null}, {
|
currency: {writable: true},
|
currencyDisplay: {writable: true},
|
locale: {writable: true},
|
maximumFractionDigits: {writable: true},
|
minimumFractionDigits: {writable: true},
|
minimumIntegerDigits: {writable: true},
|
numberingSystem: {writable: true},
|
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 numberFormat = %CreateNumberFormat(requestedLocale, internalOptions,
|
resolved);
|
|
if (internalOptions.style === 'currency') {
|
%object_define_property(resolved, 'currencyDisplay',
|
{value: currencyDisplay, writable: true});
|
}
|
|
%MarkAsInitializedIntlObjectOfType(numberFormat, NUMBER_FORMAT_TYPE);
|
numberFormat[resolvedSymbol] = resolved;
|
|
return numberFormat;
|
}
|
|
|
/**
|
* Constructs Intl.NumberFormat object given optional locales and options
|
* parameters.
|
*
|
* @constructor
|
*/
|
function NumberFormatConstructor() {
|
return IntlConstruct(this, GlobalIntlNumberFormat, CreateNumberFormat,
|
new.target, arguments, true);
|
}
|
%SetCode(GlobalIntlNumberFormat, NumberFormatConstructor);
|
|
|
/**
|
* NumberFormat resolvedOptions method.
|
*/
|
DEFINE_METHOD(
|
GlobalIntlNumberFormat.prototype,
|
resolvedOptions() {
|
var methodName = 'resolvedOptions';
|
if(!IS_RECEIVER(this)) {
|
throw %make_type_error(kIncompatibleMethodReceiver, methodName, this);
|
}
|
var format = %IntlUnwrapReceiver(this, NUMBER_FORMAT_TYPE,
|
GlobalIntlNumberFormat,
|
methodName, true);
|
var result = {
|
locale: format[resolvedSymbol].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.
|
*/
|
DEFINE_METHOD(
|
GlobalIntlNumberFormat,
|
supportedLocalesOf(locales) {
|
return %SupportedLocalesOf('numberformat', locales, arguments[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 = %RegExpInternalReplace(GetQuotedStringRE(), ldmlString, '');
|
|
var options = {__proto__: null};
|
var match = %regexp_internal_match(/E{3,5}/, ldmlString);
|
options = appendToDateTimeObject(
|
options, 'weekday', match, {EEEEE: 'narrow', EEE: 'short', EEEE: 'long'});
|
|
match = %regexp_internal_match(/G{3,5}/, ldmlString);
|
options = appendToDateTimeObject(
|
options, 'era', match, {GGGGG: 'narrow', GGG: 'short', GGGG: 'long'});
|
|
match = %regexp_internal_match(/y{1,2}/, ldmlString);
|
options = appendToDateTimeObject(
|
options, 'year', match, {y: 'numeric', yy: '2-digit'});
|
|
match = %regexp_internal_match(/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 = %regexp_internal_match(/L{1,5}/, ldmlString);
|
options = appendToDateTimeObject(options, 'month', match, {LL: '2-digit',
|
L: 'numeric', LLLLL: 'narrow', LLL: 'short', LLLL: 'long'});
|
|
match = %regexp_internal_match(/d{1,2}/, ldmlString);
|
options = appendToDateTimeObject(
|
options, 'day', match, {d: 'numeric', dd: '2-digit'});
|
|
match = %regexp_internal_match(/h{1,2}/, ldmlString);
|
if (match !== null) {
|
options['hour12'] = true;
|
}
|
options = appendToDateTimeObject(
|
options, 'hour', match, {h: 'numeric', hh: '2-digit'});
|
|
match = %regexp_internal_match(/H{1,2}/, ldmlString);
|
if (match !== null) {
|
options['hour12'] = false;
|
}
|
options = appendToDateTimeObject(
|
options, 'hour', match, {H: 'numeric', HH: '2-digit'});
|
|
match = %regexp_internal_match(/m{1,2}/, ldmlString);
|
options = appendToDateTimeObject(
|
options, 'minute', match, {m: 'numeric', mm: '2-digit'});
|
|
match = %regexp_internal_match(/s{1,2}/, ldmlString);
|
options = appendToDateTimeObject(
|
options, 'second', match, {s: 'numeric', ss: '2-digit'});
|
|
match = %regexp_internal_match(/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 = {__proto__: null};
|
} else {
|
options = TO_OBJECT(options);
|
}
|
|
options = %object_create(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')) {
|
%object_define_property(options, 'year', {value: 'numeric',
|
writable: true,
|
enumerable: true,
|
configurable: true});
|
%object_define_property(options, 'month', {value: 'numeric',
|
writable: true,
|
enumerable: true,
|
configurable: true});
|
%object_define_property(options, 'day', {value: 'numeric',
|
writable: true,
|
enumerable: true,
|
configurable: true});
|
}
|
|
if (needsDefault && (defaults === 'time' || defaults === 'all')) {
|
%object_define_property(options, 'hour', {value: 'numeric',
|
writable: true,
|
enumerable: true,
|
configurable: true});
|
%object_define_property(options, 'minute', {value: 'numeric',
|
writable: true,
|
enumerable: true,
|
configurable: true});
|
%object_define_property(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 CreateDateTimeFormat(locales, options) {
|
if (IS_UNDEFINED(options)) {
|
options = {__proto__: null};
|
}
|
|
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 = {__proto__: null};
|
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 = {
|
__proto__: null,
|
'ca': {__proto__: null, 'property': UNDEFINED, 'type': 'string'},
|
'nu': {__proto__: null, 'property': UNDEFINED, 'type': 'string'}
|
};
|
|
var extension = setOptions(options, extensionMap, DATETIME_FORMAT_KEY_MAP,
|
getOption, internalOptions);
|
|
var requestedLocale = locale.locale + extension;
|
var resolved = %object_define_properties({__proto__: null}, {
|
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},
|
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 dateFormat = %CreateDateTimeFormat(
|
requestedLocale,
|
{__proto__: null, skeleton: ldmlString, timeZone: tz}, resolved);
|
|
if (resolved.timeZone === "Etc/Unknown") {
|
throw %make_range_error(kInvalidTimeZone, tz);
|
}
|
|
%MarkAsInitializedIntlObjectOfType(dateFormat, DATE_TIME_FORMAT_TYPE);
|
dateFormat[resolvedSymbol] = resolved;
|
|
return dateFormat;
|
}
|
|
|
/**
|
* Constructs Intl.DateTimeFormat object given optional locales and options
|
* parameters.
|
*
|
* @constructor
|
*/
|
function DateTimeFormatConstructor() {
|
return IntlConstruct(this, GlobalIntlDateTimeFormat, CreateDateTimeFormat,
|
new.target, arguments, true);
|
}
|
%SetCode(GlobalIntlDateTimeFormat, DateTimeFormatConstructor);
|
|
|
/**
|
* DateTimeFormat resolvedOptions method.
|
*/
|
DEFINE_METHOD(
|
GlobalIntlDateTimeFormat.prototype,
|
resolvedOptions() {
|
var methodName = 'resolvedOptions';
|
if(!IS_RECEIVER(this)) {
|
throw %make_type_error(kIncompatibleMethodReceiver, methodName, this);
|
}
|
var format = %IntlUnwrapReceiver(this, DATE_TIME_FORMAT_TYPE,
|
GlobalIntlDateTimeFormat,
|
methodName, true);
|
|
/**
|
* Maps ICU calendar names to LDML/BCP47 types for key 'ca'.
|
* See typeMap section in third_party/icu/source/data/misc/keyTypeData.txt
|
* and
|
* http://www.unicode.org/repos/cldr/tags/latest/common/bcp47/calendar.xml
|
*/
|
var ICU_CALENDAR_MAP = {
|
__proto__: null,
|
'gregorian': 'gregory',
|
'ethiopic-amete-alem': 'ethioaa'
|
};
|
|
var fromPattern = fromLDMLString(format[resolvedSymbol][patternSymbol]);
|
var userCalendar = ICU_CALENDAR_MAP[format[resolvedSymbol].calendar];
|
if (IS_UNDEFINED(userCalendar)) {
|
// No match means that ICU's legacy name is identical to LDML/BCP type.
|
userCalendar = format[resolvedSymbol].calendar;
|
}
|
|
var result = {
|
locale: format[resolvedSymbol].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.
|
*/
|
DEFINE_METHOD(
|
GlobalIntlDateTimeFormat,
|
supportedLocalesOf(locales) {
|
return %SupportedLocalesOf('dateformat', locales, arguments[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;
|
}
|
|
// Convert zone name to string.
|
tzID = TO_STRING(tzID);
|
|
// Special case handling (UTC, GMT).
|
var upperID = %StringToUpperCaseIntl(tzID);
|
if (upperID === 'UTC' || upperID === 'GMT' ||
|
upperID === 'ETC/UTC' || upperID === 'ETC/GMT') {
|
return 'UTC';
|
}
|
|
// We expect only _, '-' and / beside ASCII letters.
|
// All inputs should conform to Area/Location(/Location)*, or Etc/GMT* .
|
// TODO(jshin): 1. Support 'GB-Eire", 'EST5EDT", "ROK', 'US/*', 'NZ' and many
|
// other aliases/linked names when moving timezone validation code to C++.
|
// See crbug.com/364374 and crbug.com/v8/8007 .
|
// 2. Resolve the difference betwee CLDR/ICU and IANA time zone db.
|
// See http://unicode.org/cldr/trac/ticket/9892 and crbug.com/645807 .
|
let match = %regexp_internal_match(GetTimezoneNameCheckRE(), tzID);
|
if (IS_NULL(match)) {
|
let match =
|
%regexp_internal_match(GetGMTOffsetTimezoneNameCheckRE(), upperID);
|
if (!IS_NULL(match) && match.length == 2)
|
return "Etc/GMT" + match.groups.offset;
|
else
|
throw %make_range_error(kInvalidTimeZone, tzID);
|
}
|
|
let result = toTitleCaseTimezoneLocation(match[1]) + '/' +
|
toTitleCaseTimezoneLocation(match[2]);
|
|
if (!IS_UNDEFINED(match[3]) && 3 < match.length) {
|
let locations = %StringSplit(match[3], '/', kMaxUint32);
|
// 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 CreateBreakIterator(locales, options) {
|
if (IS_UNDEFINED(options)) {
|
options = {__proto__: null};
|
}
|
|
var getOption = getGetOption(options, 'breakiterator');
|
|
var internalOptions = {__proto__: null};
|
|
%DefineWEProperty(internalOptions, 'type', getOption(
|
'type', 'string', ['character', 'word', 'sentence', 'line'], 'word'));
|
|
var locale = resolveLocale('breakiterator', locales, options);
|
var resolved = %object_define_properties({__proto__: null}, {
|
requestedLocale: {value: locale.locale, writable: true},
|
type: {value: internalOptions.type, writable: true},
|
locale: {writable: true}
|
});
|
|
var iterator = %CreateBreakIterator(locale.locale, internalOptions, resolved);
|
|
%MarkAsInitializedIntlObjectOfType(iterator, BREAK_ITERATOR_TYPE);
|
iterator[resolvedSymbol] = resolved;
|
|
return iterator;
|
}
|
|
|
/**
|
* Constructs Intl.v8BreakIterator object given optional locales and options
|
* parameters.
|
*
|
* @constructor
|
*/
|
function v8BreakIteratorConstructor() {
|
return IntlConstruct(this, GlobalIntlv8BreakIterator, CreateBreakIterator,
|
new.target, arguments);
|
}
|
%SetCode(GlobalIntlv8BreakIterator, v8BreakIteratorConstructor);
|
|
|
/**
|
* BreakIterator resolvedOptions method.
|
*/
|
DEFINE_METHOD(
|
GlobalIntlv8BreakIterator.prototype,
|
resolvedOptions() {
|
if (!IS_UNDEFINED(new.target)) {
|
throw %make_type_error(kOrdinaryFunctionCalledAsConstructor);
|
}
|
|
var methodName = 'resolvedOptions';
|
if(!IS_RECEIVER(this)) {
|
throw %make_type_error(kIncompatibleMethodReceiver, methodName, this);
|
}
|
var segmenter = %IntlUnwrapReceiver(this, BREAK_ITERATOR_TYPE,
|
GlobalIntlv8BreakIterator, methodName,
|
false);
|
|
return {
|
locale: segmenter[resolvedSymbol].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.
|
*/
|
DEFINE_METHOD(
|
GlobalIntlv8BreakIterator,
|
supportedLocalesOf(locales) {
|
if (!IS_UNDEFINED(new.target)) {
|
throw %make_type_error(kOrdinaryFunctionCalledAsConstructor);
|
}
|
|
return %SupportedLocalesOf('breakiterator', locales, arguments[1]);
|
}
|
);
|
|
|
/**
|
* Returns index of the first break in the string and moves current pointer.
|
*/
|
function first(iterator) {
|
return %BreakIteratorFirst(iterator);
|
}
|
|
|
/**
|
* Returns the index of the next break and moves the pointer.
|
*/
|
function next(iterator) {
|
return %BreakIteratorNext(iterator);
|
}
|
|
|
/**
|
* Returns index of the current break.
|
*/
|
function current(iterator) {
|
return %BreakIteratorCurrent(iterator);
|
}
|
|
|
/**
|
* Returns type of the current break.
|
*/
|
function breakType(iterator) {
|
return %BreakIteratorBreakType(iterator);
|
}
|
|
|
AddBoundMethod(GlobalIntlv8BreakIterator, 'first', first, 0,
|
BREAK_ITERATOR_TYPE, false);
|
AddBoundMethod(GlobalIntlv8BreakIterator, 'next', next, 0,
|
BREAK_ITERATOR_TYPE, false);
|
AddBoundMethod(GlobalIntlv8BreakIterator, 'current', current, 0,
|
BREAK_ITERATOR_TYPE, false);
|
AddBoundMethod(GlobalIntlv8BreakIterator, 'breakType', breakType, 0,
|
BREAK_ITERATOR_TYPE, false);
|
|
// Save references to Intl objects and methods we use, for added security.
|
var savedObjects = {
|
__proto__: null,
|
'collator': GlobalIntlCollator,
|
'numberformat': GlobalIntlNumberFormat,
|
'dateformatall': GlobalIntlDateTimeFormat,
|
'dateformatdate': GlobalIntlDateTimeFormat,
|
'dateformattime': GlobalIntlDateTimeFormat
|
};
|
|
|
// Default (created with undefined locales and options parameters) collator,
|
// number and date format instances. They'll be created as needed.
|
var defaultObjects = {
|
__proto__: null,
|
'collator': UNDEFINED,
|
'numberformat': UNDEFINED,
|
'dateformatall': UNDEFINED,
|
'dateformatdate': UNDEFINED,
|
'dateformattime': UNDEFINED,
|
};
|
|
function clearDefaultObjects() {
|
defaultObjects['dateformatall'] = UNDEFINED;
|
defaultObjects['dateformatdate'] = UNDEFINED;
|
defaultObjects['dateformattime'] = UNDEFINED;
|
}
|
|
var date_cache_version = 0;
|
|
function checkDateCacheCurrent() {
|
var new_date_cache_version = %DateCacheVersion();
|
if (new_date_cache_version == date_cache_version) {
|
return;
|
}
|
date_cache_version = new_date_cache_version;
|
|
clearDefaultObjects();
|
}
|
|
/**
|
* 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)) {
|
checkDateCacheCurrent();
|
if (IS_UNDEFINED(defaultObjects[service])) {
|
defaultObjects[service] = new savedObjects[service](locales, useOptions);
|
}
|
return defaultObjects[service];
|
}
|
return new savedObjects[service](locales, useOptions);
|
}
|
|
// TODO(ftang) remove the %InstallToContext once
|
// cachedOrNewService is available in C++
|
%InstallToContext([
|
"cached_or_new_service", cachedOrNewService
|
]);
|
|
/**
|
* 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.
|
*/
|
DEFINE_METHOD(
|
GlobalDate.prototype,
|
toLocaleString() {
|
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.
|
*/
|
DEFINE_METHOD(
|
GlobalDate.prototype,
|
toLocaleDateString() {
|
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.
|
*/
|
DEFINE_METHOD(
|
GlobalDate.prototype,
|
toLocaleTimeString() {
|
var locales = arguments[0];
|
var options = arguments[1];
|
return %ToLocaleDateTime(
|
this, locales, options, 'time', 'time', 'dateformattime');
|
}
|
);
|
|
})
|
