f30452ba40
There were some tests that are supposed to protect against js messing with the meta data, however, they just didn't try hard enough. BUG=354967 R=dcarney@chromium.org LOG=y Committed: https://code.google.com/p/v8/source/detail?r=20375 Review URL: https://codereview.chromium.org/215293005 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20388 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2147 lines
67 KiB
JavaScript
2147 lines
67 KiB
JavaScript
// Copyright 2013 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// limitations under the License.
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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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$Object.defineProperty(global, "Intl", { enumerable: false, value: (function() {
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'use strict';
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var Intl = {};
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var undefined = global.undefined;
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var AVAILABLE_SERVICES = ['collator',
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'numberformat',
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'dateformat',
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'breakiterator'];
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var NORMALIZATION_FORMS = ['NFC',
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'NFD',
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'NFKC',
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'NFKD'];
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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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'collator': undefined,
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'numberformat': undefined,
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'dateformat': undefined,
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'breakiterator': undefined
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};
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/**
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* Caches default ICU locale.
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*/
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var DEFAULT_ICU_LOCALE = undefined;
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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 (UNICODE_EXTENSION_RE === undefined) {
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UNICODE_EXTENSION_RE = new $RegExp('-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 (ANY_EXTENSION_RE === undefined) {
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ANY_EXTENSION_RE = new $RegExp('-[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 (QUOTED_STRING_RE === undefined) {
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QUOTED_STRING_RE = new $RegExp("'[^']+'", '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 (SERVICE_RE === undefined) {
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SERVICE_RE =
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new $RegExp('^(collator|numberformat|dateformat|breakiterator)$');
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}
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return SERVICE_RE;
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}
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/**
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* Validates a language tag against bcp47 spec.
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* Actual value is assigned on first run.
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*/
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var LANGUAGE_TAG_RE = undefined;
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function GetLanguageTagRE() {
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if (LANGUAGE_TAG_RE === undefined) {
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BuildLanguageTagREs();
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}
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return LANGUAGE_TAG_RE;
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}
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/**
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* Helps find duplicate variants in the language tag.
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*/
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var LANGUAGE_VARIANT_RE = undefined;
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function GetLanguageVariantRE() {
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if (LANGUAGE_VARIANT_RE === undefined) {
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BuildLanguageTagREs();
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}
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return LANGUAGE_VARIANT_RE;
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}
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/**
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* Helps find duplicate singletons in the language tag.
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*/
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var LANGUAGE_SINGLETON_RE = undefined;
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function GetLanguageSingletonRE() {
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if (LANGUAGE_SINGLETON_RE === undefined) {
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BuildLanguageTagREs();
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}
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return LANGUAGE_SINGLETON_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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function GetTimezoneNameCheckRE() {
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if (TIMEZONE_NAME_CHECK_RE === undefined) {
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TIMEZONE_NAME_CHECK_RE =
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new $RegExp('^([A-Za-z]+)/([A-Za-z]+)(?:_([A-Za-z]+))*$');
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}
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return TIMEZONE_NAME_CHECK_RE;
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}
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/**
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* Maps ICU calendar names into LDML type.
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*/
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var ICU_CALENDAR_MAP = {
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'gregorian': 'gregory',
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'japanese': 'japanese',
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'buddhist': 'buddhist',
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'roc': 'roc',
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'persian': 'persian',
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'islamic-civil': 'islamicc',
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'islamic': 'islamic',
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'hebrew': 'hebrew',
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'chinese': 'chinese',
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'indian': 'indian',
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'coptic': 'coptic',
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'ethiopic': 'ethiopic',
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'ethiopic-amete-alem': 'ethioaa'
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};
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/**
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* Map of Unicode extensions to option properties, and their values and types,
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* for a collator.
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*/
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var COLLATOR_KEY_MAP = {
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'kn': {'property': 'numeric', 'type': 'boolean'},
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'kf': {'property': 'caseFirst', 'type': 'string',
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'values': ['false', 'lower', 'upper']}
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};
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/**
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* Map of Unicode extensions to option properties, and their values and types,
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* for a number format.
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*/
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var NUMBER_FORMAT_KEY_MAP = {
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'nu': {'property': undefined, 'type': 'string'}
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};
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/**
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* Map of Unicode extensions to option properties, and their values and types,
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* for a date/time format.
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*/
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var DATETIME_FORMAT_KEY_MAP = {
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'ca': {'property': undefined, 'type': 'string'},
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'nu': {'property': undefined, 'type': 'string'}
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};
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/**
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* Allowed -u-co- values. List taken from:
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* http://unicode.org/repos/cldr/trunk/common/bcp47/collation.xml
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*/
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var ALLOWED_CO_VALUES = [
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'big5han', 'dict', 'direct', 'ducet', 'gb2312', 'phonebk', 'phonetic',
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'pinyin', 'reformed', 'searchjl', 'stroke', 'trad', 'unihan', 'zhuyin'
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];
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/**
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* Error message for when function object is created with new and it's not
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* a constructor.
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*/
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var ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR =
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'Function object that\'s not a constructor was created with new';
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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) {
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function getter() {
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if (!%IsInitializedIntlObject(this)) {
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throw new $TypeError('Method ' + methodName + ' called on a ' +
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'non-object or on a wrong type of object.');
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}
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var internalName = '__bound' + methodName + '__';
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if (this[internalName] === undefined) {
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var that = this;
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var boundMethod;
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if (length === undefined || length === 2) {
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boundMethod = function(x, y) {
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if (%_IsConstructCall()) {
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throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
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}
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return implementation(that, x, y);
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}
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} else if (length === 1) {
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boundMethod = function(x) {
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if (%_IsConstructCall()) {
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throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
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}
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return implementation(that, x);
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}
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} else {
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boundMethod = function() {
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if (%_IsConstructCall()) {
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throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
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}
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// DateTimeFormat.format needs to be 0 arg method, but can stil
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// receive optional dateValue param. If one was provided, pass it
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// along.
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if (%_ArgumentsLength() > 0) {
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return implementation(that, %_Arguments(0));
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} else {
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return implementation(that);
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}
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}
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}
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%FunctionSetName(boundMethod, internalName);
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%FunctionRemovePrototype(boundMethod);
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%SetNativeFlag(boundMethod);
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this[internalName] = boundMethod;
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}
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return this[internalName];
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}
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%FunctionSetName(getter, methodName);
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%FunctionRemovePrototype(getter);
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%SetNativeFlag(getter);
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$Object.defineProperty(obj.prototype, methodName, {
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get: getter,
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enumerable: false,
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configurable: true
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});
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}
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/**
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* Returns an intersection of locales and service supported locales.
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* Parameter locales is treated as a priority list.
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*/
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function supportedLocalesOf(service, locales, options) {
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if (IS_NULL(service.match(GetServiceRE()))) {
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throw new $Error('Internal error, wrong service type: ' + service);
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}
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// Provide defaults if matcher was not specified.
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if (options === undefined) {
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options = {};
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} else {
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options = toObject(options);
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}
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var matcher = options.localeMatcher;
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if (matcher !== undefined) {
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matcher = $String(matcher);
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if (matcher !== 'lookup' && matcher !== 'best fit') {
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throw new $RangeError('Illegal value for localeMatcher:' + matcher);
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}
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} else {
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matcher = 'best fit';
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}
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var requestedLocales = initializeLocaleList(locales);
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// Cache these, they don't ever change per service.
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if (AVAILABLE_LOCALES[service] === undefined) {
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AVAILABLE_LOCALES[service] = getAvailableLocalesOf(service);
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}
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// Use either best fit or lookup algorithm to match locales.
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if (matcher === 'best fit') {
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return initializeLocaleList(bestFitSupportedLocalesOf(
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requestedLocales, AVAILABLE_LOCALES[service]));
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}
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return initializeLocaleList(lookupSupportedLocalesOf(
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requestedLocales, AVAILABLE_LOCALES[service]));
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}
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/**
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* Returns the subset of the provided BCP 47 language priority list for which
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* this service has a matching locale when using the BCP 47 Lookup algorithm.
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* Locales appear in the same order in the returned list as in the input list.
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*/
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function lookupSupportedLocalesOf(requestedLocales, availableLocales) {
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var matchedLocales = [];
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for (var i = 0; i < requestedLocales.length; ++i) {
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// Remove -u- extension.
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var locale = requestedLocales[i].replace(GetUnicodeExtensionRE(), '');
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do {
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if (availableLocales[locale] !== undefined) {
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// Push requested locale not the resolved one.
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matchedLocales.push(requestedLocales[i]);
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break;
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}
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// Truncate locale if possible, if not break.
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var pos = locale.lastIndexOf('-');
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if (pos === -1) {
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break;
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}
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locale = locale.substring(0, pos);
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} while (true);
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}
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return matchedLocales;
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}
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/**
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* Returns the subset of the provided BCP 47 language priority list for which
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* this service has a matching locale when using the implementation
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* dependent algorithm.
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* Locales appear in the same order in the returned list as in the input list.
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*/
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function bestFitSupportedLocalesOf(requestedLocales, availableLocales) {
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// TODO(cira): implement better best fit algorithm.
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return lookupSupportedLocalesOf(requestedLocales, availableLocales);
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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 (options === undefined) {
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throw new $Error('Internal ' + caller + ' error. ' +
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'Default options are missing.');
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}
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var getOption = function getOption(property, type, values, defaultValue) {
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if (options[property] !== undefined) {
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var value = options[property];
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switch (type) {
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case 'boolean':
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value = $Boolean(value);
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break;
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case 'string':
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value = $String(value);
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break;
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case 'number':
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value = $Number(value);
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break;
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default:
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throw new $Error('Internal error. Wrong value type.');
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}
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if (values !== undefined && values.indexOf(value) === -1) {
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throw new $RangeError('Value ' + value + ' out of range for ' + caller +
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' options property ' + property);
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}
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return value;
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}
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return defaultValue;
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}
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return getOption;
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}
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/**
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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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/**
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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(service.match(GetServiceRE()))) {
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throw new $Error('Internal error, wrong service type: ' + service);
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}
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// Cache these, they don't ever change per service.
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if (AVAILABLE_LOCALES[service] === undefined) {
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AVAILABLE_LOCALES[service] = getAvailableLocalesOf(service);
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}
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for (var i = 0; i < requestedLocales.length; ++i) {
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// Remove all extensions.
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var locale = requestedLocales[i].replace(GetAnyExtensionRE(), '');
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do {
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if (AVAILABLE_LOCALES[service][locale] !== undefined) {
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// Return the resolved locale and extension.
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var extensionMatch = requestedLocales[i].match(GetUnicodeExtensionRE());
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var extension = IS_NULL(extensionMatch) ? '' : extensionMatch[0];
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return {'locale': locale, 'extension': extension, 'position': i};
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}
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// Truncate locale if possible.
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var pos = locale.lastIndexOf('-');
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if (pos === -1) {
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break;
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}
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locale = locale.substring(0, pos);
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} while (true);
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}
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// Didn't find a match, return default.
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if (DEFAULT_ICU_LOCALE === undefined) {
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DEFAULT_ICU_LOCALE = %GetDefaultICULocale();
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}
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return {'locale': DEFAULT_ICU_LOCALE, 'extension': '', 'position': -1};
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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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|
/**
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|
* Parses Unicode extension into key - value map.
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|
* Returns empty object if the extension string is invalid.
|
|
* We are not concerned with the validity of the values at this point.
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|
*/
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|
function parseExtension(extension) {
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|
var extensionSplit = extension.split('-');
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// Assume ['', 'u', ...] input, but don't throw.
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|
if (extensionSplit.length <= 2 ||
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(extensionSplit[0] !== '' && extensionSplit[1] !== 'u')) {
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return {};
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}
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// Key is {2}alphanum, value is {3,8}alphanum.
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|
// Some keys may not have explicit values (booleans).
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|
var extensionMap = {};
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|
var previousKey = undefined;
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for (var i = 2; i < extensionSplit.length; ++i) {
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var length = extensionSplit[i].length;
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|
var element = extensionSplit[i];
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|
if (length === 2) {
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extensionMap[element] = undefined;
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previousKey = element;
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|
} else if (length >= 3 && length <=8 && previousKey !== undefined) {
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extensionMap[previousKey] = element;
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|
previousKey = undefined;
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} else {
|
|
// There is a value that's too long, or that doesn't have a key.
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return {};
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}
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}
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return extensionMap;
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}
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/**
|
|
* Converts parameter to an Object if possible.
|
|
*/
|
|
function toObject(value) {
|
|
if (IS_NULL_OR_UNDEFINED(value)) {
|
|
throw new $TypeError('Value cannot be converted to an Object.');
|
|
}
|
|
|
|
return $Object(value);
|
|
}
|
|
|
|
|
|
/**
|
|
* 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 + '-' + $String(value);
|
|
}
|
|
|
|
var updateProperty = function updateProperty(property, type, value) {
|
|
if (type === 'boolean' && (typeof value === 'string')) {
|
|
value = (value === 'true') ? true : false;
|
|
}
|
|
|
|
if (property !== undefined) {
|
|
defineWEProperty(outOptions, property, value);
|
|
}
|
|
}
|
|
|
|
for (var key in keyValues) {
|
|
if (keyValues.hasOwnProperty(key)) {
|
|
var value = undefined;
|
|
var map = keyValues[key];
|
|
if (map.property !== undefined) {
|
|
// This may return true if user specifies numeric: 'false', since
|
|
// Boolean('nonempty') === true.
|
|
value = getOption(map.property, map.type, map.values);
|
|
}
|
|
if (value !== undefined) {
|
|
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 (extensionMap.hasOwnProperty(key)) {
|
|
value = extensionMap[key];
|
|
if (value !== undefined) {
|
|
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) {
|
|
array.forEach(function(element, index) {
|
|
$Object.defineProperty(array, index, {value: element,
|
|
configurable: false,
|
|
writable: false,
|
|
enumerable: true});
|
|
});
|
|
|
|
$Object.defineProperty(array, 'length', {value: array.length,
|
|
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 $RegExp('^' + locales[1].base);
|
|
return resolved.replace(resolvedBase, locales[0].base);
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns an Object that contains all of supported locales for a given
|
|
* service.
|
|
* In addition to the supported locales we add xx-ZZ locale for each xx-Yyyy-ZZ
|
|
* that is supported. This is required by the spec.
|
|
*/
|
|
function getAvailableLocalesOf(service) {
|
|
var available = %AvailableLocalesOf(service);
|
|
|
|
for (var i in available) {
|
|
if (available.hasOwnProperty(i)) {
|
|
var parts = i.match(/^([a-z]{2,3})-([A-Z][a-z]{3})-([A-Z]{2})$/);
|
|
if (parts !== null) {
|
|
// 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) {
|
|
$Object.defineProperty(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 (value !== undefined) {
|
|
defineWEProperty(object, property, value);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Defines a property and sets writable, enumerable and configurable to true.
|
|
*/
|
|
function defineWECProperty(object, property, value) {
|
|
$Object.defineProperty(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 (value !== undefined) {
|
|
defineWECProperty(object, property, value);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns titlecased word, aMeRricA -> America.
|
|
*/
|
|
function toTitleCaseWord(word) {
|
|
return word.substr(0, 1).toUpperCase() + word.substr(1).toLowerCase();
|
|
}
|
|
|
|
/**
|
|
* 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 new $TypeError('Language ID should be string or object.');
|
|
}
|
|
|
|
var localeString = $String(localeID);
|
|
|
|
if (isValidLanguageTag(localeString) === false) {
|
|
throw new $RangeError('Invalid language tag: ' + 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 new $RangeError('Invalid language tag: ' + 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 (locales === undefined) {
|
|
// Constructor is called without arguments.
|
|
seen = [];
|
|
} else {
|
|
// We allow single string localeID.
|
|
if (typeof locales === 'string') {
|
|
seen.push(canonicalizeLanguageTag(locales));
|
|
return freezeArray(seen);
|
|
}
|
|
|
|
var o = toObject(locales);
|
|
// Converts it to UInt32 (>>> is shr on 32bit integers).
|
|
var len = o.length >>> 0;
|
|
|
|
for (var k = 0; k < len; k++) {
|
|
if (k in o) {
|
|
var value = o[k];
|
|
|
|
var tag = canonicalizeLanguageTag(value);
|
|
|
|
if (seen.indexOf(tag) === -1) {
|
|
seen.push(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 (GetLanguageTagRE().test(locale) === false) {
|
|
return false;
|
|
}
|
|
|
|
// Just return if it's a x- form. It's all private.
|
|
if (locale.indexOf('x-') === 0) {
|
|
return true;
|
|
}
|
|
|
|
// Check if there are any duplicate variants or singletons (extensions).
|
|
|
|
// Remove private use section.
|
|
locale = locale.split(/-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 = locale.split(/-/);
|
|
for (var i = 1; i < parts.length; i++) {
|
|
var value = parts[i];
|
|
if (GetLanguageVariantRE().test(value) === true && extensions.length === 0) {
|
|
if (variants.indexOf(value) === -1) {
|
|
variants.push(value);
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (GetLanguageSingletonRE().test(value) === true) {
|
|
if (extensions.indexOf(value) === -1) {
|
|
extensions.push(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 $RegExp('^' + singleton + '$', 'i');
|
|
|
|
var extension = '(' + singleton + '(-' + alphanum + '{2,8})+)';
|
|
|
|
var variant = '(' + alphanum + '{5,8}|(' + digit + alphanum + '{3}))';
|
|
LANGUAGE_VARIANT_RE = new $RegExp('^' + variant + '$', '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 $RegExp(languageTag, 'i');
|
|
}
|
|
|
|
/**
|
|
* Initializes the given object so it's a valid Collator instance.
|
|
* Useful for subclassing.
|
|
*/
|
|
function initializeCollator(collator, locales, options) {
|
|
if (%IsInitializedIntlObject(collator)) {
|
|
throw new $TypeError('Trying to re-initialize Collator object.');
|
|
}
|
|
|
|
if (options === undefined) {
|
|
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 (sensitivity === undefined && 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);
|
|
setOptions(
|
|
options, extensionMap, COLLATOR_KEY_MAP, getOption, internalOptions);
|
|
|
|
var collation = 'default';
|
|
var extension = '';
|
|
if (extensionMap.hasOwnProperty('co') && internalOptions.usage === 'sort') {
|
|
if (ALLOWED_CO_VALUES.indexOf(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").
|
|
// Object.defineProperties will either succeed defining or throw an error.
|
|
var resolved = $Object.defineProperties({}, {
|
|
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);
|
|
$Object.defineProperty(collator, 'resolved', {value: resolved});
|
|
|
|
return collator;
|
|
}
|
|
|
|
|
|
/**
|
|
* Constructs Intl.Collator object given optional locales and options
|
|
* parameters.
|
|
*
|
|
* @constructor
|
|
*/
|
|
%SetProperty(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(toObject(this), locales, options);
|
|
},
|
|
DONT_ENUM
|
|
);
|
|
|
|
|
|
/**
|
|
* Collator resolvedOptions method.
|
|
*/
|
|
%SetProperty(Intl.Collator.prototype, 'resolvedOptions', function() {
|
|
if (%_IsConstructCall()) {
|
|
throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
|
|
}
|
|
|
|
if (!%IsInitializedIntlObjectOfType(this, 'collator')) {
|
|
throw new $TypeError('resolvedOptions method called on a non-object ' +
|
|
'or on a object that is not Intl.Collator.');
|
|
}
|
|
|
|
var coll = this;
|
|
var locale = getOptimalLanguageTag(coll.resolved.requestedLocale,
|
|
coll.resolved.locale);
|
|
|
|
return {
|
|
locale: locale,
|
|
usage: coll.resolved.usage,
|
|
sensitivity: coll.resolved.sensitivity,
|
|
ignorePunctuation: coll.resolved.ignorePunctuation,
|
|
numeric: coll.resolved.numeric,
|
|
caseFirst: coll.resolved.caseFirst,
|
|
collation: coll.resolved.collation
|
|
};
|
|
},
|
|
DONT_ENUM
|
|
);
|
|
%FunctionSetName(Intl.Collator.prototype.resolvedOptions, 'resolvedOptions');
|
|
%FunctionRemovePrototype(Intl.Collator.prototype.resolvedOptions);
|
|
%SetNativeFlag(Intl.Collator.prototype.resolvedOptions);
|
|
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
%SetProperty(Intl.Collator, 'supportedLocalesOf', function(locales) {
|
|
if (%_IsConstructCall()) {
|
|
throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
|
|
}
|
|
|
|
return supportedLocalesOf('collator', locales, %_Arguments(1));
|
|
},
|
|
DONT_ENUM
|
|
);
|
|
%FunctionSetName(Intl.Collator.supportedLocalesOf, 'supportedLocalesOf');
|
|
%FunctionRemovePrototype(Intl.Collator.supportedLocalesOf);
|
|
%SetNativeFlag(Intl.Collator.supportedLocalesOf);
|
|
|
|
|
|
/**
|
|
* 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),
|
|
$String(x), $String(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 &&
|
|
currency.match(/[^A-Za-z]/) == null;
|
|
}
|
|
|
|
|
|
/**
|
|
* 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 (value !== undefined) {
|
|
value = $Number(value);
|
|
if ($isNaN(value) || value < min || value > max) {
|
|
throw new $RangeError(property + ' value is out of range.');
|
|
}
|
|
return $floor(value);
|
|
}
|
|
|
|
return fallback;
|
|
}
|
|
|
|
|
|
/**
|
|
* Initializes the given object so it's a valid NumberFormat instance.
|
|
* Useful for subclassing.
|
|
*/
|
|
function initializeNumberFormat(numberFormat, locales, options) {
|
|
if (%IsInitializedIntlObject(numberFormat)) {
|
|
throw new $TypeError('Trying to re-initialize NumberFormat object.');
|
|
}
|
|
|
|
if (options === undefined) {
|
|
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 (currency !== undefined && !isWellFormedCurrencyCode(currency)) {
|
|
throw new $RangeError('Invalid currency code: ' + currency);
|
|
}
|
|
|
|
if (internalOptions.style === 'currency' && currency === undefined) {
|
|
throw new $TypeError('Currency code is required with currency style.');
|
|
}
|
|
|
|
var currencyDisplay = getOption(
|
|
'currencyDisplay', 'string', ['code', 'symbol', 'name'], 'symbol');
|
|
if (internalOptions.style === 'currency') {
|
|
defineWEProperty(internalOptions, 'currency', currency.toUpperCase());
|
|
defineWEProperty(internalOptions, 'currencyDisplay', currencyDisplay);
|
|
}
|
|
|
|
// Digit ranges.
|
|
var mnid = getNumberOption(options, 'minimumIntegerDigits', 1, 21, 1);
|
|
defineWEProperty(internalOptions, 'minimumIntegerDigits', mnid);
|
|
|
|
var mnfd = getNumberOption(options, 'minimumFractionDigits', 0, 20, 0);
|
|
defineWEProperty(internalOptions, 'minimumFractionDigits', mnfd);
|
|
|
|
var mxfd = getNumberOption(options, 'maximumFractionDigits', mnfd, 20, 3);
|
|
defineWEProperty(internalOptions, 'maximumFractionDigits', mxfd);
|
|
|
|
var mnsd = options['minimumSignificantDigits'];
|
|
var mxsd = options['maximumSignificantDigits'];
|
|
if (mnsd !== undefined || mxsd !== undefined) {
|
|
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);
|
|
var extension = setOptions(options, extensionMap, NUMBER_FORMAT_KEY_MAP,
|
|
getOption, internalOptions);
|
|
|
|
var requestedLocale = locale.locale + extension;
|
|
var resolved = $Object.defineProperties({}, {
|
|
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 (internalOptions.hasOwnProperty('minimumSignificantDigits')) {
|
|
defineWEProperty(resolved, 'minimumSignificantDigits', undefined);
|
|
}
|
|
if (internalOptions.hasOwnProperty('maximumSignificantDigits')) {
|
|
defineWEProperty(resolved, 'maximumSignificantDigits', undefined);
|
|
}
|
|
var formatter = %CreateNumberFormat(requestedLocale,
|
|
internalOptions,
|
|
resolved);
|
|
|
|
// We can't get information about number or currency style from ICU, so we
|
|
// assume user request was fulfilled.
|
|
if (internalOptions.style === 'currency') {
|
|
$Object.defineProperty(resolved, 'currencyDisplay', {value: currencyDisplay,
|
|
writable: true});
|
|
}
|
|
|
|
%MarkAsInitializedIntlObjectOfType(numberFormat, 'numberformat', formatter);
|
|
$Object.defineProperty(numberFormat, 'resolved', {value: resolved});
|
|
|
|
return numberFormat;
|
|
}
|
|
|
|
|
|
/**
|
|
* Constructs Intl.NumberFormat object given optional locales and options
|
|
* parameters.
|
|
*
|
|
* @constructor
|
|
*/
|
|
%SetProperty(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(toObject(this), locales, options);
|
|
},
|
|
DONT_ENUM
|
|
);
|
|
|
|
|
|
/**
|
|
* NumberFormat resolvedOptions method.
|
|
*/
|
|
%SetProperty(Intl.NumberFormat.prototype, 'resolvedOptions', function() {
|
|
if (%_IsConstructCall()) {
|
|
throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
|
|
}
|
|
|
|
if (!%IsInitializedIntlObjectOfType(this, 'numberformat')) {
|
|
throw new $TypeError('resolvedOptions method called on a non-object' +
|
|
' or on a object that is not Intl.NumberFormat.');
|
|
}
|
|
|
|
var format = this;
|
|
var locale = getOptimalLanguageTag(format.resolved.requestedLocale,
|
|
format.resolved.locale);
|
|
|
|
var result = {
|
|
locale: locale,
|
|
numberingSystem: format.resolved.numberingSystem,
|
|
style: format.resolved.style,
|
|
useGrouping: format.resolved.useGrouping,
|
|
minimumIntegerDigits: format.resolved.minimumIntegerDigits,
|
|
minimumFractionDigits: format.resolved.minimumFractionDigits,
|
|
maximumFractionDigits: format.resolved.maximumFractionDigits,
|
|
};
|
|
|
|
if (result.style === 'currency') {
|
|
defineWECProperty(result, 'currency', format.resolved.currency);
|
|
defineWECProperty(result, 'currencyDisplay',
|
|
format.resolved.currencyDisplay);
|
|
}
|
|
|
|
if (format.resolved.hasOwnProperty('minimumSignificantDigits')) {
|
|
defineWECProperty(result, 'minimumSignificantDigits',
|
|
format.resolved.minimumSignificantDigits);
|
|
}
|
|
|
|
if (format.resolved.hasOwnProperty('maximumSignificantDigits')) {
|
|
defineWECProperty(result, 'maximumSignificantDigits',
|
|
format.resolved.maximumSignificantDigits);
|
|
}
|
|
|
|
return result;
|
|
},
|
|
DONT_ENUM
|
|
);
|
|
%FunctionSetName(Intl.NumberFormat.prototype.resolvedOptions,
|
|
'resolvedOptions');
|
|
%FunctionRemovePrototype(Intl.NumberFormat.prototype.resolvedOptions);
|
|
%SetNativeFlag(Intl.NumberFormat.prototype.resolvedOptions);
|
|
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
%SetProperty(Intl.NumberFormat, 'supportedLocalesOf', function(locales) {
|
|
if (%_IsConstructCall()) {
|
|
throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
|
|
}
|
|
|
|
return supportedLocalesOf('numberformat', locales, %_Arguments(1));
|
|
},
|
|
DONT_ENUM
|
|
);
|
|
%FunctionSetName(Intl.NumberFormat.supportedLocalesOf, 'supportedLocalesOf');
|
|
%FunctionRemovePrototype(Intl.NumberFormat.supportedLocalesOf);
|
|
%SetNativeFlag(Intl.NumberFormat.supportedLocalesOf);
|
|
|
|
|
|
/**
|
|
* 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 = $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),
|
|
$String(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 (hr12 === undefined) {
|
|
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 (option !== undefined) {
|
|
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 = ldmlString.replace(GetQuotedStringRE(), '');
|
|
|
|
var options = {};
|
|
var match = ldmlString.match(/E{3,5}/g);
|
|
options = appendToDateTimeObject(
|
|
options, 'weekday', match, {EEEEE: 'narrow', EEE: 'short', EEEE: 'long'});
|
|
|
|
match = ldmlString.match(/G{3,5}/g);
|
|
options = appendToDateTimeObject(
|
|
options, 'era', match, {GGGGG: 'narrow', GGG: 'short', GGGG: 'long'});
|
|
|
|
match = ldmlString.match(/y{1,2}/g);
|
|
options = appendToDateTimeObject(
|
|
options, 'year', match, {y: 'numeric', yy: '2-digit'});
|
|
|
|
match = ldmlString.match(/M{1,5}/g);
|
|
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 = ldmlString.match(/L{1,5}/g);
|
|
options = appendToDateTimeObject(options, 'month', match, {LL: '2-digit',
|
|
L: 'numeric', LLLLL: 'narrow', LLL: 'short', LLLL: 'long'});
|
|
|
|
match = ldmlString.match(/d{1,2}/g);
|
|
options = appendToDateTimeObject(
|
|
options, 'day', match, {d: 'numeric', dd: '2-digit'});
|
|
|
|
match = ldmlString.match(/h{1,2}/g);
|
|
if (match !== null) {
|
|
options['hour12'] = true;
|
|
}
|
|
options = appendToDateTimeObject(
|
|
options, 'hour', match, {h: 'numeric', hh: '2-digit'});
|
|
|
|
match = ldmlString.match(/H{1,2}/g);
|
|
if (match !== null) {
|
|
options['hour12'] = false;
|
|
}
|
|
options = appendToDateTimeObject(
|
|
options, 'hour', match, {H: 'numeric', HH: '2-digit'});
|
|
|
|
match = ldmlString.match(/m{1,2}/g);
|
|
options = appendToDateTimeObject(
|
|
options, 'minute', match, {m: 'numeric', mm: '2-digit'});
|
|
|
|
match = ldmlString.match(/s{1,2}/g);
|
|
options = appendToDateTimeObject(
|
|
options, 'second', match, {s: 'numeric', ss: '2-digit'});
|
|
|
|
match = ldmlString.match(/z|zzzz/g);
|
|
options = appendToDateTimeObject(
|
|
options, 'timeZoneName', match, {z: 'short', zzzz: 'long'});
|
|
|
|
return options;
|
|
}
|
|
|
|
|
|
function appendToDateTimeObject(options, option, match, pairs) {
|
|
if (IS_NULL(match)) {
|
|
if (!options.hasOwnProperty(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 (options === undefined) {
|
|
options = null;
|
|
} else {
|
|
options = toObject(options);
|
|
}
|
|
|
|
options = $Object.apply(this, [options]);
|
|
|
|
var needsDefault = true;
|
|
if ((required === 'date' || required === 'any') &&
|
|
(options.weekday !== undefined || options.year !== undefined ||
|
|
options.month !== undefined || options.day !== undefined)) {
|
|
needsDefault = false;
|
|
}
|
|
|
|
if ((required === 'time' || required === 'any') &&
|
|
(options.hour !== undefined || options.minute !== undefined ||
|
|
options.second !== undefined)) {
|
|
needsDefault = false;
|
|
}
|
|
|
|
if (needsDefault && (defaults === 'date' || defaults === 'all')) {
|
|
$Object.defineProperty(options, 'year', {value: 'numeric',
|
|
writable: true,
|
|
enumerable: true,
|
|
configurable: true});
|
|
$Object.defineProperty(options, 'month', {value: 'numeric',
|
|
writable: true,
|
|
enumerable: true,
|
|
configurable: true});
|
|
$Object.defineProperty(options, 'day', {value: 'numeric',
|
|
writable: true,
|
|
enumerable: true,
|
|
configurable: true});
|
|
}
|
|
|
|
if (needsDefault && (defaults === 'time' || defaults === 'all')) {
|
|
$Object.defineProperty(options, 'hour', {value: 'numeric',
|
|
writable: true,
|
|
enumerable: true,
|
|
configurable: true});
|
|
$Object.defineProperty(options, 'minute', {value: 'numeric',
|
|
writable: true,
|
|
enumerable: true,
|
|
configurable: true});
|
|
$Object.defineProperty(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 new $TypeError('Trying to re-initialize DateTimeFormat object.');
|
|
}
|
|
|
|
if (options === undefined) {
|
|
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);
|
|
var extension = setOptions(options, extensionMap, DATETIME_FORMAT_KEY_MAP,
|
|
getOption, internalOptions);
|
|
|
|
var requestedLocale = locale.locale + extension;
|
|
var resolved = $Object.defineProperties({}, {
|
|
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},
|
|
pattern: {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 formatter = %CreateDateTimeFormat(
|
|
requestedLocale, {skeleton: ldmlString, timeZone: tz}, resolved);
|
|
|
|
if (tz !== undefined && tz !== resolved.timeZone) {
|
|
throw new $RangeError('Unsupported time zone specified ' + tz);
|
|
}
|
|
|
|
%MarkAsInitializedIntlObjectOfType(dateFormat, 'dateformat', formatter);
|
|
$Object.defineProperty(dateFormat, 'resolved', {value: resolved});
|
|
|
|
return dateFormat;
|
|
}
|
|
|
|
|
|
/**
|
|
* Constructs Intl.DateTimeFormat object given optional locales and options
|
|
* parameters.
|
|
*
|
|
* @constructor
|
|
*/
|
|
%SetProperty(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(toObject(this), locales, options);
|
|
},
|
|
DONT_ENUM
|
|
);
|
|
|
|
|
|
/**
|
|
* DateTimeFormat resolvedOptions method.
|
|
*/
|
|
%SetProperty(Intl.DateTimeFormat.prototype, 'resolvedOptions', function() {
|
|
if (%_IsConstructCall()) {
|
|
throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
|
|
}
|
|
|
|
if (!%IsInitializedIntlObjectOfType(this, 'dateformat')) {
|
|
throw new $TypeError('resolvedOptions method called on a non-object or ' +
|
|
'on a object that is not Intl.DateTimeFormat.');
|
|
}
|
|
|
|
var format = this;
|
|
var fromPattern = fromLDMLString(format.resolved.pattern);
|
|
var userCalendar = ICU_CALENDAR_MAP[format.resolved.calendar];
|
|
if (userCalendar === undefined) {
|
|
// 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.resolved.calendar;
|
|
}
|
|
|
|
var locale = getOptimalLanguageTag(format.resolved.requestedLocale,
|
|
format.resolved.locale);
|
|
|
|
var result = {
|
|
locale: locale,
|
|
numberingSystem: format.resolved.numberingSystem,
|
|
calendar: userCalendar,
|
|
timeZone: format.resolved.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;
|
|
},
|
|
DONT_ENUM
|
|
);
|
|
%FunctionSetName(Intl.DateTimeFormat.prototype.resolvedOptions,
|
|
'resolvedOptions');
|
|
%FunctionRemovePrototype(Intl.DateTimeFormat.prototype.resolvedOptions);
|
|
%SetNativeFlag(Intl.DateTimeFormat.prototype.resolvedOptions);
|
|
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
%SetProperty(Intl.DateTimeFormat, 'supportedLocalesOf', function(locales) {
|
|
if (%_IsConstructCall()) {
|
|
throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
|
|
}
|
|
|
|
return supportedLocalesOf('dateformat', locales, %_Arguments(1));
|
|
},
|
|
DONT_ENUM
|
|
);
|
|
%FunctionSetName(Intl.DateTimeFormat.supportedLocalesOf, 'supportedLocalesOf');
|
|
%FunctionRemovePrototype(Intl.DateTimeFormat.supportedLocalesOf);
|
|
%SetNativeFlag(Intl.DateTimeFormat.supportedLocalesOf);
|
|
|
|
|
|
/**
|
|
* 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 (dateValue === undefined) {
|
|
dateMs = $Date.now();
|
|
} else {
|
|
dateMs = $Number(dateValue);
|
|
}
|
|
|
|
if (!$isFinite(dateMs)) {
|
|
throw new $RangeError('Provided date is not in valid range.');
|
|
}
|
|
|
|
return %InternalDateFormat(%GetImplFromInitializedIntlObject(formatter),
|
|
new $Date(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),
|
|
$String(value));
|
|
}
|
|
|
|
|
|
// 0 because date is optional argument.
|
|
addBoundMethod(Intl.DateTimeFormat, 'format', formatDate, 0);
|
|
addBoundMethod(Intl.DateTimeFormat, 'v8Parse', parseDate, 1);
|
|
|
|
|
|
/**
|
|
* Returns canonical Area/Location name, or throws an exception if the zone
|
|
* name is invalid IANA name.
|
|
*/
|
|
function canonicalizeTimeZoneID(tzID) {
|
|
// Skip undefined zones.
|
|
if (tzID === undefined) {
|
|
return tzID;
|
|
}
|
|
|
|
// Special case handling (UTC, GMT).
|
|
var upperID = tzID.toUpperCase();
|
|
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 from now on.
|
|
var match = GetTimezoneNameCheckRE().exec(tzID);
|
|
if (IS_NULL(match)) {
|
|
throw new $RangeError('Expected Area/Location for time zone, got ' + tzID);
|
|
}
|
|
|
|
var result = toTitleCaseWord(match[1]) + '/' + toTitleCaseWord(match[2]);
|
|
var i = 3;
|
|
while (match[i] !== undefined && i < match.length) {
|
|
result = result + '_' + toTitleCaseWord(match[i]);
|
|
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 new $TypeError('Trying to re-initialize v8BreakIterator object.');
|
|
}
|
|
|
|
if (options === undefined) {
|
|
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 = $Object.defineProperties({}, {
|
|
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);
|
|
$Object.defineProperty(iterator, 'resolved', {value: resolved});
|
|
|
|
return iterator;
|
|
}
|
|
|
|
|
|
/**
|
|
* Constructs Intl.v8BreakIterator object given optional locales and options
|
|
* parameters.
|
|
*
|
|
* @constructor
|
|
*/
|
|
%SetProperty(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(toObject(this), locales, options);
|
|
},
|
|
DONT_ENUM
|
|
);
|
|
|
|
|
|
/**
|
|
* BreakIterator resolvedOptions method.
|
|
*/
|
|
%SetProperty(Intl.v8BreakIterator.prototype, 'resolvedOptions', function() {
|
|
if (%_IsConstructCall()) {
|
|
throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
|
|
}
|
|
|
|
if (!%IsInitializedIntlObjectOfType(this, 'breakiterator')) {
|
|
throw new $TypeError('resolvedOptions method called on a non-object or ' +
|
|
'on a object that is not Intl.v8BreakIterator.');
|
|
}
|
|
|
|
var segmenter = this;
|
|
var locale = getOptimalLanguageTag(segmenter.resolved.requestedLocale,
|
|
segmenter.resolved.locale);
|
|
|
|
return {
|
|
locale: locale,
|
|
type: segmenter.resolved.type
|
|
};
|
|
},
|
|
DONT_ENUM
|
|
);
|
|
%FunctionSetName(Intl.v8BreakIterator.prototype.resolvedOptions,
|
|
'resolvedOptions');
|
|
%FunctionRemovePrototype(Intl.v8BreakIterator.prototype.resolvedOptions);
|
|
%SetNativeFlag(Intl.v8BreakIterator.prototype.resolvedOptions);
|
|
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
%SetProperty(Intl.v8BreakIterator, 'supportedLocalesOf', function(locales) {
|
|
if (%_IsConstructCall()) {
|
|
throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
|
|
}
|
|
|
|
return supportedLocalesOf('breakiterator', locales, %_Arguments(1));
|
|
},
|
|
DONT_ENUM
|
|
);
|
|
%FunctionSetName(Intl.v8BreakIterator.supportedLocalesOf, 'supportedLocalesOf');
|
|
%FunctionRemovePrototype(Intl.v8BreakIterator.supportedLocalesOf);
|
|
%SetNativeFlag(Intl.v8BreakIterator.supportedLocalesOf);
|
|
|
|
|
|
/**
|
|
* Adopts text to segment using the iterator. Old text, if present,
|
|
* gets discarded.
|
|
*/
|
|
function adoptText(iterator, text) {
|
|
%BreakIteratorAdoptText(%GetImplFromInitializedIntlObject(iterator),
|
|
$String(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 = (defaults === undefined) ? options : defaults;
|
|
if (locales === undefined && options === undefined) {
|
|
if (defaultObjects[service] === undefined) {
|
|
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.
|
|
*/
|
|
$Object.defineProperty($String.prototype, 'localeCompare', {
|
|
value: function(that) {
|
|
if (%_IsConstructCall()) {
|
|
throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
|
|
}
|
|
|
|
if (IS_NULL_OR_UNDEFINED(this)) {
|
|
throw new $TypeError('Method invoked on undefined or null value.');
|
|
}
|
|
|
|
var locales = %_Arguments(1);
|
|
var options = %_Arguments(2);
|
|
var collator = cachedOrNewService('collator', locales, options);
|
|
return compare(collator, this, that);
|
|
},
|
|
writable: true,
|
|
configurable: true,
|
|
enumerable: false
|
|
});
|
|
%FunctionSetName($String.prototype.localeCompare, 'localeCompare');
|
|
%FunctionRemovePrototype($String.prototype.localeCompare);
|
|
%SetNativeFlag($String.prototype.localeCompare);
|
|
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
$Object.defineProperty($String.prototype, 'normalize', {
|
|
value: function(that) {
|
|
if (%_IsConstructCall()) {
|
|
throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
|
|
}
|
|
|
|
CHECK_OBJECT_COERCIBLE(this, "String.prototype.normalize");
|
|
|
|
var form = $String(%_Arguments(0) || 'NFC');
|
|
|
|
var normalizationForm = NORMALIZATION_FORMS.indexOf(form);
|
|
if (normalizationForm === -1) {
|
|
throw new $RangeError('The normalization form should be one of '
|
|
+ NORMALIZATION_FORMS.join(', ') + '.');
|
|
}
|
|
|
|
return %StringNormalize(this, normalizationForm);
|
|
},
|
|
writable: true,
|
|
configurable: true,
|
|
enumerable: false
|
|
});
|
|
%FunctionSetName($String.prototype.normalize, 'normalize');
|
|
%FunctionRemovePrototype($String.prototype.normalize);
|
|
%SetNativeFlag($String.prototype.normalize);
|
|
|
|
|
|
/**
|
|
* Formats a Number object (this) using locale and options values.
|
|
* If locale or options are omitted, defaults are used.
|
|
*/
|
|
$Object.defineProperty($Number.prototype, 'toLocaleString', {
|
|
value: function() {
|
|
if (%_IsConstructCall()) {
|
|
throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
|
|
}
|
|
|
|
if (!(this instanceof $Number) && typeof(this) !== 'number') {
|
|
throw new $TypeError('Method invoked on an object that is not Number.');
|
|
}
|
|
|
|
var locales = %_Arguments(0);
|
|
var options = %_Arguments(1);
|
|
var numberFormat = cachedOrNewService('numberformat', locales, options);
|
|
return formatNumber(numberFormat, this);
|
|
},
|
|
writable: true,
|
|
configurable: true,
|
|
enumerable: false
|
|
});
|
|
%FunctionSetName($Number.prototype.toLocaleString, 'toLocaleString');
|
|
%FunctionRemovePrototype($Number.prototype.toLocaleString);
|
|
%SetNativeFlag($Number.prototype.toLocaleString);
|
|
|
|
|
|
/**
|
|
* Returns actual formatted date or fails if date parameter is invalid.
|
|
*/
|
|
function toLocaleDateTime(date, locales, options, required, defaults, service) {
|
|
if (!(date instanceof $Date)) {
|
|
throw new $TypeError('Method invoked on an object that is not Date.');
|
|
}
|
|
|
|
if ($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.
|
|
*/
|
|
$Object.defineProperty($Date.prototype, 'toLocaleString', {
|
|
value: function() {
|
|
if (%_IsConstructCall()) {
|
|
throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
|
|
}
|
|
|
|
var locales = %_Arguments(0);
|
|
var options = %_Arguments(1);
|
|
return toLocaleDateTime(
|
|
this, locales, options, 'any', 'all', 'dateformatall');
|
|
},
|
|
writable: true,
|
|
configurable: true,
|
|
enumerable: false
|
|
});
|
|
%FunctionSetName($Date.prototype.toLocaleString, 'toLocaleString');
|
|
%FunctionRemovePrototype($Date.prototype.toLocaleString);
|
|
%SetNativeFlag($Date.prototype.toLocaleString);
|
|
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
$Object.defineProperty($Date.prototype, 'toLocaleDateString', {
|
|
value: function() {
|
|
if (%_IsConstructCall()) {
|
|
throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
|
|
}
|
|
|
|
var locales = %_Arguments(0);
|
|
var options = %_Arguments(1);
|
|
return toLocaleDateTime(
|
|
this, locales, options, 'date', 'date', 'dateformatdate');
|
|
},
|
|
writable: true,
|
|
configurable: true,
|
|
enumerable: false
|
|
});
|
|
%FunctionSetName($Date.prototype.toLocaleDateString, 'toLocaleDateString');
|
|
%FunctionRemovePrototype($Date.prototype.toLocaleDateString);
|
|
%SetNativeFlag($Date.prototype.toLocaleDateString);
|
|
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
$Object.defineProperty($Date.prototype, 'toLocaleTimeString', {
|
|
value: function() {
|
|
if (%_IsConstructCall()) {
|
|
throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
|
|
}
|
|
|
|
var locales = %_Arguments(0);
|
|
var options = %_Arguments(1);
|
|
return toLocaleDateTime(
|
|
this, locales, options, 'time', 'time', 'dateformattime');
|
|
},
|
|
writable: true,
|
|
configurable: true,
|
|
enumerable: false
|
|
});
|
|
%FunctionSetName($Date.prototype.toLocaleTimeString, 'toLocaleTimeString');
|
|
%FunctionRemovePrototype($Date.prototype.toLocaleTimeString);
|
|
%SetNativeFlag($Date.prototype.toLocaleTimeString);
|
|
|
|
return Intl;
|
|
}())});
|