Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(474)

Issues Search
    My Issues | Starred     Open | Closed | All

Unified Diff: src/i18n.js

Issue 1398733002: Move builtin JavaScript sources into own directory. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Also move macros.py file. Created 5 years, 2 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « src/harmony-typedarray.js ('k') | src/iterator-prototype.js » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: src/i18n.js
diff --git a/src/i18n.js b/src/i18n.js
deleted file mode 100644
index d05da3ef993c540b0febcd60f2fa61a8468e3e0f..0000000000000000000000000000000000000000
--- a/src/i18n.js
+++ /dev/null
@@ -1,2118 +0,0 @@
-// Copyright 2013 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// ECMAScript 402 API implementation.
-
-/**
- * Intl object is a single object that has some named properties,
- * all of which are constructors.
- */
-(function(global, utils) {
-
-"use strict";
-
-%CheckIsBootstrapping();
-
-// -------------------------------------------------------------------
-// Imports
-
-var ArrayIndexOf;
-var ArrayJoin;
-var ArrayPush;
-var IsFinite;
-var IsNaN;
-var GlobalBoolean = global.Boolean;
-var GlobalDate = global.Date;
-var GlobalNumber = global.Number;
-var GlobalRegExp = global.RegExp;
-var GlobalString = global.String;
-var MathFloor;
-var ObjectDefineProperties = utils.ImportNow("ObjectDefineProperties");
-var ObjectDefineProperty = utils.ImportNow("ObjectDefineProperty");
-var RegExpTest;
-var StringIndexOf;
-var StringLastIndexOf;
-var StringMatch;
-var StringReplace;
-var StringSplit;
-var StringSubstr;
-var StringSubstring;
-
-utils.Import(function(from) {
- ArrayIndexOf = from.ArrayIndexOf;
- ArrayJoin = from.ArrayJoin;
- ArrayPush = from.ArrayPush;
- IsFinite = from.IsFinite;
- IsNaN = from.IsNaN;
- MathFloor = from.MathFloor;
- RegExpTest = from.RegExpTest;
- StringIndexOf = from.StringIndexOf;
- StringLastIndexOf = from.StringLastIndexOf;
- StringMatch = from.StringMatch;
- StringReplace = from.StringReplace;
- StringSplit = from.StringSplit;
- StringSubstr = from.StringSubstr;
- StringSubstring = from.StringSubstring;
-});
-
-// -------------------------------------------------------------------
-
-var Intl = {};
-
-%AddNamedProperty(global, "Intl", Intl, DONT_ENUM);
-
-/**
- * Caches available locales for each service.
- */
-var AVAILABLE_LOCALES = {
- 'collator': UNDEFINED,
- 'numberformat': UNDEFINED,
- 'dateformat': UNDEFINED,
- 'breakiterator': UNDEFINED
-};
-
-/**
- * Caches default ICU locale.
- */
-var DEFAULT_ICU_LOCALE = UNDEFINED;
-
-/**
- * Unicode extension regular expression.
- */
-var UNICODE_EXTENSION_RE = UNDEFINED;
-
-function GetUnicodeExtensionRE() {
- if (IS_UNDEFINED(UNDEFINED)) {
- UNICODE_EXTENSION_RE = new GlobalRegExp('-u(-[a-z0-9]{2,8})+', 'g');
- }
- return UNICODE_EXTENSION_RE;
-}
-
-/**
- * Matches any Unicode extension.
- */
-var ANY_EXTENSION_RE = UNDEFINED;
-
-function GetAnyExtensionRE() {
- if (IS_UNDEFINED(ANY_EXTENSION_RE)) {
- ANY_EXTENSION_RE = new GlobalRegExp('-[a-z0-9]{1}-.*', 'g');
- }
- return ANY_EXTENSION_RE;
-}
-
-/**
- * Replace quoted text (single quote, anything but the quote and quote again).
- */
-var QUOTED_STRING_RE = UNDEFINED;
-
-function GetQuotedStringRE() {
- if (IS_UNDEFINED(QUOTED_STRING_RE)) {
- QUOTED_STRING_RE = new GlobalRegExp("'[^']+'", 'g');
- }
- return QUOTED_STRING_RE;
-}
-
-/**
- * Matches valid service name.
- */
-var SERVICE_RE = UNDEFINED;
-
-function GetServiceRE() {
- if (IS_UNDEFINED(SERVICE_RE)) {
- SERVICE_RE =
- new GlobalRegExp('^(collator|numberformat|dateformat|breakiterator)$');
- }
- return SERVICE_RE;
-}
-
-/**
- * Validates a language tag against bcp47 spec.
- * Actual value is assigned on first run.
- */
-var LANGUAGE_TAG_RE = UNDEFINED;
-
-function GetLanguageTagRE() {
- if (IS_UNDEFINED(LANGUAGE_TAG_RE)) {
- BuildLanguageTagREs();
- }
- return LANGUAGE_TAG_RE;
-}
-
-/**
- * Helps find duplicate variants in the language tag.
- */
-var LANGUAGE_VARIANT_RE = UNDEFINED;
-
-function GetLanguageVariantRE() {
- if (IS_UNDEFINED(LANGUAGE_VARIANT_RE)) {
- BuildLanguageTagREs();
- }
- return LANGUAGE_VARIANT_RE;
-}
-
-/**
- * Helps find duplicate singletons in the language tag.
- */
-var LANGUAGE_SINGLETON_RE = UNDEFINED;
-
-function GetLanguageSingletonRE() {
- if (IS_UNDEFINED(LANGUAGE_SINGLETON_RE)) {
- BuildLanguageTagREs();
- }
- return LANGUAGE_SINGLETON_RE;
-}
-
-/**
- * Matches valid IANA time zone names.
- */
-var TIMEZONE_NAME_CHECK_RE = UNDEFINED;
-
-function GetTimezoneNameCheckRE() {
- if (IS_UNDEFINED(TIMEZONE_NAME_CHECK_RE)) {
- TIMEZONE_NAME_CHECK_RE =
- new GlobalRegExp('^([A-Za-z]+)/([A-Za-z]+)(?:_([A-Za-z]+))*$');
- }
- return TIMEZONE_NAME_CHECK_RE;
-}
-
-/**
- * Adds bound method to the prototype of the given object.
- */
-function addBoundMethod(obj, methodName, implementation, length) {
- %CheckIsBootstrapping();
- function getter() {
- if (!%IsInitializedIntlObject(this)) {
- throw MakeTypeError(kMethodCalledOnWrongObject, methodName);
- }
- var internalName = '__bound' + methodName + '__';
- if (IS_UNDEFINED(this[internalName])) {
- var that = this;
- var boundMethod;
- if (IS_UNDEFINED(length) || length === 2) {
- boundMethod = function(x, y) {
- if (%_IsConstructCall()) {
- throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor);
- }
- return implementation(that, x, y);
- }
- } else if (length === 1) {
- boundMethod = function(x) {
- if (%_IsConstructCall()) {
- throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor);
- }
- return implementation(that, x);
- }
- } else {
- boundMethod = function() {
- if (%_IsConstructCall()) {
- throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor);
- }
- // DateTimeFormat.format needs to be 0 arg method, but can stil
- // receive optional dateValue param. If one was provided, pass it
- // along.
- if (%_ArgumentsLength() > 0) {
- return implementation(that, %_Arguments(0));
- } else {
- return implementation(that);
- }
- }
- }
- %FunctionSetName(boundMethod, internalName);
- %FunctionRemovePrototype(boundMethod);
- %SetNativeFlag(boundMethod);
- this[internalName] = boundMethod;
- }
- return this[internalName];
- }
-
- %FunctionSetName(getter, methodName);
- %FunctionRemovePrototype(getter);
- %SetNativeFlag(getter);
-
- ObjectDefineProperty(obj.prototype, methodName, {
- get: getter,
- enumerable: false,
- configurable: true
- });
-}
-
-
-/**
- * Returns an intersection of locales and service supported locales.
- * Parameter locales is treated as a priority list.
- */
-function supportedLocalesOf(service, locales, options) {
- if (IS_NULL(%_CallFunction(service, GetServiceRE(), StringMatch))) {
- throw MakeError(kWrongServiceType, service);
- }
-
- // Provide defaults if matcher was not specified.
- if (IS_UNDEFINED(options)) {
- options = {};
- } else {
- options = TO_OBJECT(options);
- }
-
- var matcher = options.localeMatcher;
- if (!IS_UNDEFINED(matcher)) {
- matcher = GlobalString(matcher);
- if (matcher !== 'lookup' && matcher !== 'best fit') {
- throw MakeRangeError(kLocaleMatcher, matcher);
- }
- } else {
- matcher = 'best fit';
- }
-
- var requestedLocales = initializeLocaleList(locales);
-
- // Cache these, they don't ever change per service.
- if (IS_UNDEFINED(AVAILABLE_LOCALES[service])) {
- AVAILABLE_LOCALES[service] = getAvailableLocalesOf(service);
- }
-
- // Use either best fit or lookup algorithm to match locales.
- if (matcher === 'best fit') {
- return initializeLocaleList(bestFitSupportedLocalesOf(
- requestedLocales, AVAILABLE_LOCALES[service]));
- }
-
- return initializeLocaleList(lookupSupportedLocalesOf(
- requestedLocales, AVAILABLE_LOCALES[service]));
-}
-
-
-/**
- * Returns the subset of the provided BCP 47 language priority list for which
- * this service has a matching locale when using the BCP 47 Lookup algorithm.
- * Locales appear in the same order in the returned list as in the input list.
- */
-function lookupSupportedLocalesOf(requestedLocales, availableLocales) {
- var matchedLocales = [];
- for (var i = 0; i < requestedLocales.length; ++i) {
- // Remove -u- extension.
- var locale = %_CallFunction(requestedLocales[i], GetUnicodeExtensionRE(),
- '', StringReplace);
- do {
- if (!IS_UNDEFINED(availableLocales[locale])) {
- // Push requested locale not the resolved one.
- %_CallFunction(matchedLocales, requestedLocales[i], ArrayPush);
- break;
- }
- // Truncate locale if possible, if not break.
- var pos = %_CallFunction(locale, '-', StringLastIndexOf);
- if (pos === -1) {
- break;
- }
- locale = %_CallFunction(locale, 0, pos, StringSubstring);
- } while (true);
- }
-
- return matchedLocales;
-}
-
-
-/**
- * Returns the subset of the provided BCP 47 language priority list for which
- * this service has a matching locale when using the implementation
- * dependent algorithm.
- * Locales appear in the same order in the returned list as in the input list.
- */
-function bestFitSupportedLocalesOf(requestedLocales, availableLocales) {
- // TODO(cira): implement better best fit algorithm.
- return lookupSupportedLocalesOf(requestedLocales, availableLocales);
-}
-
-
-/**
- * Returns a getOption function that extracts property value for given
- * options object. If property is missing it returns defaultValue. If value
- * is out of range for that property it throws RangeError.
- */
-function getGetOption(options, caller) {
- if (IS_UNDEFINED(options)) throw MakeError(kDefaultOptionsMissing, caller);
-
- var getOption = function getOption(property, type, values, defaultValue) {
- if (!IS_UNDEFINED(options[property])) {
- var value = options[property];
- switch (type) {
- case 'boolean':
- value = GlobalBoolean(value);
- break;
- case 'string':
- value = GlobalString(value);
- break;
- case 'number':
- value = GlobalNumber(value);
- break;
- default:
- throw MakeError(kWrongValueType);
- }
-
- if (!IS_UNDEFINED(values) &&
- %_CallFunction(values, value, ArrayIndexOf) === -1) {
- throw MakeRangeError(kValueOutOfRange, value, caller, property);
- }
-
- return value;
- }
-
- return defaultValue;
- }
-
- return getOption;
-}
-
-
-/**
- * Compares a BCP 47 language priority list requestedLocales against the locales
- * in availableLocales and determines the best available language to meet the
- * request. Two algorithms are available to match the locales: the Lookup
- * algorithm described in RFC 4647 section 3.4, and an implementation dependent
- * best-fit algorithm. Independent of the locale matching algorithm, options
- * specified through Unicode locale extension sequences are negotiated
- * separately, taking the caller's relevant extension keys and locale data as
- * well as client-provided options into consideration. Returns an object with
- * a locale property whose value is the language tag of the selected locale,
- * and properties for each key in relevantExtensionKeys providing the selected
- * value for that key.
- */
-function resolveLocale(service, requestedLocales, options) {
- requestedLocales = initializeLocaleList(requestedLocales);
-
- var getOption = getGetOption(options, service);
- var matcher = getOption('localeMatcher', 'string',
- ['lookup', 'best fit'], 'best fit');
- var resolved;
- if (matcher === 'lookup') {
- resolved = lookupMatcher(service, requestedLocales);
- } else {
- resolved = bestFitMatcher(service, requestedLocales);
- }
-
- return resolved;
-}
-
-
-/**
- * Returns best matched supported locale and extension info using basic
- * lookup algorithm.
- */
-function lookupMatcher(service, requestedLocales) {
- if (IS_NULL(%_CallFunction(service, GetServiceRE(), StringMatch))) {
- throw MakeError(kWrongServiceType, service);
- }
-
- // Cache these, they don't ever change per service.
- if (IS_UNDEFINED(AVAILABLE_LOCALES[service])) {
- AVAILABLE_LOCALES[service] = getAvailableLocalesOf(service);
- }
-
- for (var i = 0; i < requestedLocales.length; ++i) {
- // Remove all extensions.
- var locale = %_CallFunction(requestedLocales[i], GetAnyExtensionRE(), '',
- StringReplace);
- do {
- if (!IS_UNDEFINED(AVAILABLE_LOCALES[service][locale])) {
- // Return the resolved locale and extension.
- var extensionMatch =
- %_CallFunction(requestedLocales[i], GetUnicodeExtensionRE(),
- StringMatch);
- var extension = IS_NULL(extensionMatch) ? '' : extensionMatch[0];
- return {'locale': locale, 'extension': extension, 'position': i};
- }
- // Truncate locale if possible.
- var pos = %_CallFunction(locale, '-', StringLastIndexOf);
- if (pos === -1) {
- break;
- }
- locale = %_CallFunction(locale, 0, pos, StringSubstring);
- } while (true);
- }
-
- // Didn't find a match, return default.
- if (IS_UNDEFINED(DEFAULT_ICU_LOCALE)) {
- DEFAULT_ICU_LOCALE = %GetDefaultICULocale();
- }
-
- return {'locale': DEFAULT_ICU_LOCALE, 'extension': '', 'position': -1};
-}
-
-
-/**
- * Returns best matched supported locale and extension info using
- * implementation dependend algorithm.
- */
-function bestFitMatcher(service, requestedLocales) {
- // TODO(cira): implement better best fit algorithm.
- return lookupMatcher(service, requestedLocales);
-}
-
-
-/**
- * Parses Unicode extension into key - value map.
- * Returns empty object if the extension string is invalid.
- * We are not concerned with the validity of the values at this point.
- */
-function parseExtension(extension) {
- var extensionSplit = %_CallFunction(extension, '-', StringSplit);
-
- // Assume ['', 'u', ...] input, but don't throw.
- if (extensionSplit.length <= 2 ||
- (extensionSplit[0] !== '' && extensionSplit[1] !== 'u')) {
- return {};
- }
-
- // Key is {2}alphanum, value is {3,8}alphanum.
- // Some keys may not have explicit values (booleans).
- var extensionMap = {};
- var previousKey = UNDEFINED;
- for (var i = 2; i < extensionSplit.length; ++i) {
- var length = extensionSplit[i].length;
- var element = extensionSplit[i];
- if (length === 2) {
- extensionMap[element] = UNDEFINED;
- previousKey = element;
- } else if (length >= 3 && length <=8 && !IS_UNDEFINED(previousKey)) {
- extensionMap[previousKey] = element;
- previousKey = UNDEFINED;
- } else {
- // There is a value that's too long, or that doesn't have a key.
- return {};
- }
- }
-
- return extensionMap;
-}
-
-
-/**
- * Populates internalOptions object with boolean key-value pairs
- * from extensionMap and options.
- * Returns filtered extension (number and date format constructors use
- * Unicode extensions for passing parameters to ICU).
- * It's used for extension-option pairs only, e.g. kn-normalization, but not
- * for 'sensitivity' since it doesn't have extension equivalent.
- * Extensions like nu and ca don't have options equivalent, so we place
- * undefined in the map.property to denote that.
- */
-function setOptions(inOptions, extensionMap, keyValues, getOption, outOptions) {
- var extension = '';
-
- var updateExtension = function updateExtension(key, value) {
- return '-' + key + '-' + GlobalString(value);
- }
-
- var updateProperty = function updateProperty(property, type, value) {
- if (type === 'boolean' && (typeof value === 'string')) {
- value = (value === 'true') ? true : false;
- }
-
- if (!IS_UNDEFINED(property)) {
- defineWEProperty(outOptions, property, value);
- }
- }
-
- for (var key in keyValues) {
- if (%HasOwnProperty(keyValues, key)) {
- var value = UNDEFINED;
- var map = keyValues[key];
- if (!IS_UNDEFINED(map.property)) {
- // This may return true if user specifies numeric: 'false', since
- // Boolean('nonempty') === true.
- value = getOption(map.property, map.type, map.values);
- }
- if (!IS_UNDEFINED(value)) {
- updateProperty(map.property, map.type, value);
- extension += updateExtension(key, value);
- continue;
- }
- // User options didn't have it, check Unicode extension.
- // Here we want to convert strings 'true', 'false' into proper Boolean
- // values (not a user error).
- if (%HasOwnProperty(extensionMap, key)) {
- value = extensionMap[key];
- if (!IS_UNDEFINED(value)) {
- updateProperty(map.property, map.type, value);
- extension += updateExtension(key, value);
- } else if (map.type === 'boolean') {
- // Boolean keys are allowed not to have values in Unicode extension.
- // Those default to true.
- updateProperty(map.property, map.type, true);
- extension += updateExtension(key, true);
- }
- }
- }
- }
-
- return extension === ''? '' : '-u' + extension;
-}
-
-
-/**
- * Converts all OwnProperties into
- * configurable: false, writable: false, enumerable: true.
- */
-function freezeArray(array) {
- var l = array.length;
- for (var i = 0; i < l; i++) {
- if (i in array) {
- ObjectDefineProperty(array, i, {value: array[i],
- configurable: false,
- writable: false,
- enumerable: true});
- }
- }
-
- ObjectDefineProperty(array, 'length', {value: l, writable: false});
- return array;
-}
-
-
-/**
- * It's sometimes desireable to leave user requested locale instead of ICU
- * supported one (zh-TW is equivalent to zh-Hant-TW, so we should keep shorter
- * one, if that was what user requested).
- * This function returns user specified tag if its maximized form matches ICU
- * resolved locale. If not we return ICU result.
- */
-function getOptimalLanguageTag(original, resolved) {
- // Returns Array<Object>, where each object has maximized and base properties.
- // Maximized: zh -> zh-Hans-CN
- // Base: zh-CN-u-ca-gregory -> zh-CN
- // Take care of grandfathered or simple cases.
- if (original === resolved) {
- return original;
- }
-
- var locales = %GetLanguageTagVariants([original, resolved]);
- if (locales[0].maximized !== locales[1].maximized) {
- return resolved;
- }
-
- // Preserve extensions of resolved locale, but swap base tags with original.
- var resolvedBase = new GlobalRegExp('^' + locales[1].base);
- return %_CallFunction(resolved, resolvedBase, locales[0].base, StringReplace);
-}
-
-
-/**
- * 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 (%HasOwnProperty(available, i)) {
- var parts = %_CallFunction(i, /^([a-z]{2,3})-([A-Z][a-z]{3})-([A-Z]{2})$/,
- StringMatch);
- 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) {
- ObjectDefineProperty(object, property,
- {value: value, writable: true, enumerable: true});
-}
-
-
-/**
- * Adds property to an object if the value is not undefined.
- * Sets configurable descriptor to false.
- */
-function addWEPropertyIfDefined(object, property, value) {
- if (!IS_UNDEFINED(value)) {
- defineWEProperty(object, property, value);
- }
-}
-
-
-/**
- * Defines a property and sets writable, enumerable and configurable to true.
- */
-function defineWECProperty(object, property, value) {
- ObjectDefineProperty(object, property, {value: value,
- writable: true,
- enumerable: true,
- configurable: true});
-}
-
-
-/**
- * Adds property to an object if the value is not undefined.
- * Sets all descriptors to true.
- */
-function addWECPropertyIfDefined(object, property, value) {
- if (!IS_UNDEFINED(value)) {
- defineWECProperty(object, property, value);
- }
-}
-
-
-/**
- * Returns titlecased word, aMeRricA -> America.
- */
-function toTitleCaseWord(word) {
- return %StringToUpperCase(%_CallFunction(word, 0, 1, StringSubstr)) +
- %StringToLowerCase(%_CallFunction(word, 1, StringSubstr));
-}
-
-/**
- * Canonicalizes the language tag, or throws in case the tag is invalid.
- */
-function canonicalizeLanguageTag(localeID) {
- // null is typeof 'object' so we have to do extra check.
- if (typeof localeID !== 'string' && typeof localeID !== 'object' ||
- IS_NULL(localeID)) {
- throw MakeTypeError(kLanguageID);
- }
-
- var localeString = GlobalString(localeID);
-
- if (isValidLanguageTag(localeString) === false) {
- throw MakeRangeError(kInvalidLanguageTag, localeString);
- }
-
- // This call will strip -kn but not -kn-true extensions.
- // ICU bug filled - http://bugs.icu-project.org/trac/ticket/9265.
- // TODO(cira): check if -u-kn-true-kc-true-kh-true still throws after
- // upgrade to ICU 4.9.
- var tag = %CanonicalizeLanguageTag(localeString);
- if (tag === 'invalid-tag') {
- throw MakeRangeError(kInvalidLanguageTag, localeString);
- }
-
- return tag;
-}
-
-
-/**
- * Returns an array where all locales are canonicalized and duplicates removed.
- * Throws on locales that are not well formed BCP47 tags.
- */
-function initializeLocaleList(locales) {
- var seen = [];
- if (IS_UNDEFINED(locales)) {
- // Constructor is called without arguments.
- seen = [];
- } else {
- // We allow single string localeID.
- if (typeof locales === 'string') {
- %_CallFunction(seen, canonicalizeLanguageTag(locales), ArrayPush);
- return freezeArray(seen);
- }
-
- var o = TO_OBJECT(locales);
- var len = TO_UINT32(o.length);
-
- for (var k = 0; k < len; k++) {
- if (k in o) {
- var value = o[k];
-
- var tag = canonicalizeLanguageTag(value);
-
- if (%_CallFunction(seen, tag, ArrayIndexOf) === -1) {
- %_CallFunction(seen, tag, ArrayPush);
- }
- }
- }
- }
-
- 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 (!%_CallFunction(GetLanguageTagRE(), locale, RegExpTest)) {
- return false;
- }
-
- // Just return if it's a x- form. It's all private.
- if (%_CallFunction(locale, 'x-', StringIndexOf) === 0) {
- return true;
- }
-
- // Check if there are any duplicate variants or singletons (extensions).
-
- // Remove private use section.
- locale = %_CallFunction(locale, /-x-/, StringSplit)[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 = %_CallFunction(locale, /-/, StringSplit);
- for (var i = 1; i < parts.length; i++) {
- var value = parts[i];
- if (%_CallFunction(GetLanguageVariantRE(), value, RegExpTest) &&
- extensions.length === 0) {
- if (%_CallFunction(variants, value, ArrayIndexOf) === -1) {
- %_CallFunction(variants, value, ArrayPush);
- } else {
- return false;
- }
- }
-
- if (%_CallFunction(GetLanguageSingletonRE(), value, RegExpTest)) {
- if (%_CallFunction(extensions, value, ArrayIndexOf) === -1) {
- %_CallFunction(extensions, value, ArrayPush);
- } else {
- return false;
- }
- }
- }
-
- return true;
- }
-
-
-/**
- * Builds a regular expresion that validates the language tag
- * against bcp47 spec.
- * Uses http://tools.ietf.org/html/bcp47, section 2.1, ABNF.
- * Runs on load and initializes the global REs.
- */
-function BuildLanguageTagREs() {
- var alpha = '[a-zA-Z]';
- var digit = '[0-9]';
- var alphanum = '(' + alpha + '|' + digit + ')';
- var regular = '(art-lojban|cel-gaulish|no-bok|no-nyn|zh-guoyu|zh-hakka|' +
- 'zh-min|zh-min-nan|zh-xiang)';
- var irregular = '(en-GB-oed|i-ami|i-bnn|i-default|i-enochian|i-hak|' +
- 'i-klingon|i-lux|i-mingo|i-navajo|i-pwn|i-tao|i-tay|' +
- 'i-tsu|sgn-BE-FR|sgn-BE-NL|sgn-CH-DE)';
- var grandfathered = '(' + irregular + '|' + regular + ')';
- var privateUse = '(x(-' + alphanum + '{1,8})+)';
-
- var singleton = '(' + digit + '|[A-WY-Za-wy-z])';
- LANGUAGE_SINGLETON_RE = new GlobalRegExp('^' + singleton + '$', 'i');
-
- var extension = '(' + singleton + '(-' + alphanum + '{2,8})+)';
-
- var variant = '(' + alphanum + '{5,8}|(' + digit + alphanum + '{3}))';
- LANGUAGE_VARIANT_RE = new GlobalRegExp('^' + variant + '$', 'i');
-
- var region = '(' + alpha + '{2}|' + digit + '{3})';
- var script = '(' + alpha + '{4})';
- var extLang = '(' + alpha + '{3}(-' + alpha + '{3}){0,2})';
- var language = '(' + alpha + '{2,3}(-' + extLang + ')?|' + alpha + '{4}|' +
- alpha + '{5,8})';
- var langTag = language + '(-' + script + ')?(-' + region + ')?(-' +
- variant + ')*(-' + extension + ')*(-' + privateUse + ')?';
-
- var languageTag =
- '^(' + langTag + '|' + privateUse + '|' + grandfathered + ')$';
- LANGUAGE_TAG_RE = new GlobalRegExp(languageTag, 'i');
-}
-
-/**
- * Initializes the given object so it's a valid Collator instance.
- * Useful for subclassing.
- */
-function initializeCollator(collator, locales, options) {
- if (%IsInitializedIntlObject(collator)) {
- throw MakeTypeError(kReinitializeIntl, "Collator");
- }
-
- if (IS_UNDEFINED(options)) {
- options = {};
- }
-
- var getOption = getGetOption(options, 'collator');
-
- var internalOptions = {};
-
- defineWEProperty(internalOptions, 'usage', getOption(
- 'usage', 'string', ['sort', 'search'], 'sort'));
-
- var sensitivity = getOption('sensitivity', 'string',
- ['base', 'accent', 'case', 'variant']);
- if (IS_UNDEFINED(sensitivity) && internalOptions.usage === 'sort') {
- sensitivity = 'variant';
- }
- defineWEProperty(internalOptions, 'sensitivity', sensitivity);
-
- defineWEProperty(internalOptions, 'ignorePunctuation', getOption(
- 'ignorePunctuation', 'boolean', UNDEFINED, false));
-
- var locale = resolveLocale('collator', locales, options);
-
- // ICU can't take kb, kc... parameters through localeID, so we need to pass
- // them as options.
- // One exception is -co- which has to be part of the extension, but only for
- // usage: sort, and its value can't be 'standard' or 'search'.
- var extensionMap = parseExtension(locale.extension);
-
- /**
- * Map of Unicode extensions to option properties, and their values and types,
- * for a collator.
- */
- var COLLATOR_KEY_MAP = {
- 'kn': {'property': 'numeric', 'type': 'boolean'},
- 'kf': {'property': 'caseFirst', 'type': 'string',
- 'values': ['false', 'lower', 'upper']}
- };
-
- setOptions(
- options, extensionMap, COLLATOR_KEY_MAP, getOption, internalOptions);
-
- var collation = 'default';
- var extension = '';
- if (%HasOwnProperty(extensionMap, 'co') && internalOptions.usage === 'sort') {
-
- /**
- * Allowed -u-co- values. List taken from:
- * http://unicode.org/repos/cldr/trunk/common/bcp47/collation.xml
- */
- var ALLOWED_CO_VALUES = [
- 'big5han', 'dict', 'direct', 'ducet', 'gb2312', 'phonebk', 'phonetic',
- 'pinyin', 'reformed', 'searchjl', 'stroke', 'trad', 'unihan', 'zhuyin'
- ];
-
- if (%_CallFunction(ALLOWED_CO_VALUES, extensionMap.co, ArrayIndexOf) !==
- -1) {
- extension = '-u-co-' + extensionMap.co;
- // ICU can't tell us what the collation is, so save user's input.
- collation = extensionMap.co;
- }
- } else if (internalOptions.usage === 'search') {
- extension = '-u-co-search';
- }
- defineWEProperty(internalOptions, 'collation', collation);
-
- var requestedLocale = locale.locale + extension;
-
- // We define all properties C++ code may produce, to prevent security
- // problems. If malicious user decides to redefine Object.prototype.locale
- // we can't just use plain x.locale = 'us' or in C++ Set("locale", "us").
- // ObjectDefineProperties will either succeed defining or throw an error.
- var resolved = ObjectDefineProperties({}, {
- caseFirst: {writable: true},
- collation: {value: internalOptions.collation, writable: true},
- ignorePunctuation: {writable: true},
- locale: {writable: true},
- numeric: {writable: true},
- requestedLocale: {value: requestedLocale, writable: true},
- sensitivity: {writable: true},
- strength: {writable: true},
- usage: {value: internalOptions.usage, writable: true}
- });
-
- var internalCollator = %CreateCollator(requestedLocale,
- internalOptions,
- resolved);
-
- // Writable, configurable and enumerable are set to false by default.
- %MarkAsInitializedIntlObjectOfType(collator, 'collator', internalCollator);
- ObjectDefineProperty(collator, 'resolved', {value: resolved});
-
- return collator;
-}
-
-
-/**
- * Constructs Intl.Collator object given optional locales and options
- * parameters.
- *
- * @constructor
- */
-%AddNamedProperty(Intl, 'Collator', function() {
- var locales = %_Arguments(0);
- var options = %_Arguments(1);
-
- if (!this || this === Intl) {
- // Constructor is called as a function.
- return new Intl.Collator(locales, options);
- }
-
- return initializeCollator(TO_OBJECT(this), locales, options);
- },
- DONT_ENUM
-);
-
-
-/**
- * Collator resolvedOptions method.
- */
-%AddNamedProperty(Intl.Collator.prototype, 'resolvedOptions', function() {
- if (%_IsConstructCall()) {
- throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor);
- }
-
- if (!%IsInitializedIntlObjectOfType(this, 'collator')) {
- throw MakeTypeError(kResolvedOptionsCalledOnNonObject, "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.
- */
-%AddNamedProperty(Intl.Collator, 'supportedLocalesOf', function(locales) {
- if (%_IsConstructCall()) {
- throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor);
- }
-
- 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),
- GlobalString(x), GlobalString(y));
-};
-
-
-addBoundMethod(Intl.Collator, 'compare', compare, 2);
-
-/**
- * Verifies that the input is a well-formed ISO 4217 currency code.
- * Don't uppercase to test. It could convert invalid code into a valid one.
- * For example \u00DFP (Eszett+P) becomes SSP.
- */
-function isWellFormedCurrencyCode(currency) {
- return typeof currency == "string" &&
- currency.length == 3 &&
- %_CallFunction(currency, /[^A-Za-z]/, StringMatch) == 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 (!IS_UNDEFINED(value)) {
- value = GlobalNumber(value);
- if (IsNaN(value) || value < min || value > max) {
- throw MakeRangeError(kPropertyValueOutOfRange, property);
- }
- return MathFloor(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 MakeTypeError(kReinitializeIntl, "NumberFormat");
- }
-
- if (IS_UNDEFINED(options)) {
- options = {};
- }
-
- var getOption = getGetOption(options, 'numberformat');
-
- var locale = resolveLocale('numberformat', locales, options);
-
- var internalOptions = {};
- defineWEProperty(internalOptions, 'style', getOption(
- 'style', 'string', ['decimal', 'percent', 'currency'], 'decimal'));
-
- var currency = getOption('currency', 'string');
- if (!IS_UNDEFINED(currency) && !isWellFormedCurrencyCode(currency)) {
- throw MakeRangeError(kInvalidCurrencyCode, currency);
- }
-
- if (internalOptions.style === 'currency' && IS_UNDEFINED(currency)) {
- throw MakeTypeError(kCurrencyCode);
- }
-
- var currencyDisplay = getOption(
- 'currencyDisplay', 'string', ['code', 'symbol', 'name'], 'symbol');
- if (internalOptions.style === 'currency') {
- defineWEProperty(internalOptions, 'currency', %StringToUpperCase(currency));
- defineWEProperty(internalOptions, 'currencyDisplay', currencyDisplay);
- }
-
- // Digit ranges.
- var mnid = getNumberOption(options, 'minimumIntegerDigits', 1, 21, 1);
- defineWEProperty(internalOptions, 'minimumIntegerDigits', mnid);
-
- var mnfd = options['minimumFractionDigits'];
- var mxfd = options['maximumFractionDigits'];
- if (!IS_UNDEFINED(mnfd) || !internalOptions.style === 'currency') {
- mnfd = getNumberOption(options, 'minimumFractionDigits', 0, 20, 0);
- defineWEProperty(internalOptions, 'minimumFractionDigits', mnfd);
- }
-
- if (!IS_UNDEFINED(mxfd) || !internalOptions.style === 'currency') {
- mnfd = IS_UNDEFINED(mnfd) ? 0 : mnfd;
- fallback_limit = (mnfd > 3) ? mnfd : 3;
- mxfd = getNumberOption(options, 'maximumFractionDigits', mnfd, 20, fallback_limit);
- defineWEProperty(internalOptions, 'maximumFractionDigits', mxfd);
- }
-
- var mnsd = options['minimumSignificantDigits'];
- var mxsd = options['maximumSignificantDigits'];
- if (!IS_UNDEFINED(mnsd) || !IS_UNDEFINED(mxsd)) {
- mnsd = getNumberOption(options, 'minimumSignificantDigits', 1, 21, 0);
- defineWEProperty(internalOptions, 'minimumSignificantDigits', mnsd);
-
- mxsd = getNumberOption(options, 'maximumSignificantDigits', mnsd, 21, 21);
- defineWEProperty(internalOptions, 'maximumSignificantDigits', mxsd);
- }
-
- // Grouping.
- defineWEProperty(internalOptions, 'useGrouping', getOption(
- 'useGrouping', 'boolean', UNDEFINED, true));
-
- // ICU prefers options to be passed using -u- extension key/values for
- // number format, so we need to build that.
- var extensionMap = parseExtension(locale.extension);
-
- /**
- * Map of Unicode extensions to option properties, and their values and types,
- * for a number format.
- */
- var NUMBER_FORMAT_KEY_MAP = {
- 'nu': {'property': UNDEFINED, 'type': 'string'}
- };
-
- var extension = setOptions(options, extensionMap, NUMBER_FORMAT_KEY_MAP,
- getOption, internalOptions);
-
- var requestedLocale = locale.locale + extension;
- var resolved = ObjectDefineProperties({}, {
- currency: {writable: true},
- currencyDisplay: {writable: true},
- locale: {writable: true},
- maximumFractionDigits: {writable: true},
- minimumFractionDigits: {writable: true},
- minimumIntegerDigits: {writable: true},
- numberingSystem: {writable: true},
- requestedLocale: {value: requestedLocale, writable: true},
- style: {value: internalOptions.style, writable: true},
- useGrouping: {writable: true}
- });
- if (%HasOwnProperty(internalOptions, 'minimumSignificantDigits')) {
- defineWEProperty(resolved, 'minimumSignificantDigits', UNDEFINED);
- }
- if (%HasOwnProperty(internalOptions, 'maximumSignificantDigits')) {
- defineWEProperty(resolved, 'maximumSignificantDigits', UNDEFINED);
- }
- var formatter = %CreateNumberFormat(requestedLocale,
- internalOptions,
- resolved);
-
- if (internalOptions.style === 'currency') {
- ObjectDefineProperty(resolved, 'currencyDisplay', {value: currencyDisplay,
- writable: true});
- }
-
- %MarkAsInitializedIntlObjectOfType(numberFormat, 'numberformat', formatter);
- ObjectDefineProperty(numberFormat, 'resolved', {value: resolved});
-
- return numberFormat;
-}
-
-
-/**
- * Constructs Intl.NumberFormat object given optional locales and options
- * parameters.
- *
- * @constructor
- */
-%AddNamedProperty(Intl, 'NumberFormat', function() {
- var locales = %_Arguments(0);
- var options = %_Arguments(1);
-
- if (!this || this === Intl) {
- // Constructor is called as a function.
- return new Intl.NumberFormat(locales, options);
- }
-
- return initializeNumberFormat(TO_OBJECT(this), locales, options);
- },
- DONT_ENUM
-);
-
-
-/**
- * NumberFormat resolvedOptions method.
- */
-%AddNamedProperty(Intl.NumberFormat.prototype, 'resolvedOptions', function() {
- if (%_IsConstructCall()) {
- throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor);
- }
-
- if (!%IsInitializedIntlObjectOfType(this, 'numberformat')) {
- throw MakeTypeError(kResolvedOptionsCalledOnNonObject, "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 (%HasOwnProperty(format.resolved, 'minimumSignificantDigits')) {
- defineWECProperty(result, 'minimumSignificantDigits',
- format.resolved.minimumSignificantDigits);
- }
-
- if (%HasOwnProperty(format.resolved, '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.
- */
-%AddNamedProperty(Intl.NumberFormat, 'supportedLocalesOf', function(locales) {
- if (%_IsConstructCall()) {
- throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor);
- }
-
- 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 = TO_NUMBER(value) + 0;
-
- return %InternalNumberFormat(%GetImplFromInitializedIntlObject(formatter),
- number);
-}
-
-
-/**
- * Returns a Number that represents string value that was passed in.
- */
-function parseNumber(formatter, value) {
- return %InternalNumberParse(%GetImplFromInitializedIntlObject(formatter),
- GlobalString(value));
-}
-
-
-addBoundMethod(Intl.NumberFormat, 'format', formatNumber, 1);
-addBoundMethod(Intl.NumberFormat, 'v8Parse', parseNumber, 1);
-
-/**
- * Returns a string that matches LDML representation of the options object.
- */
-function toLDMLString(options) {
- var getOption = getGetOption(options, 'dateformat');
-
- var ldmlString = '';
-
- var option = getOption('weekday', 'string', ['narrow', 'short', 'long']);
- ldmlString += appendToLDMLString(
- option, {narrow: 'EEEEE', short: 'EEE', long: 'EEEE'});
-
- option = getOption('era', 'string', ['narrow', 'short', 'long']);
- ldmlString += appendToLDMLString(
- option, {narrow: 'GGGGG', short: 'GGG', long: 'GGGG'});
-
- option = getOption('year', 'string', ['2-digit', 'numeric']);
- ldmlString += appendToLDMLString(option, {'2-digit': 'yy', 'numeric': 'y'});
-
- option = getOption('month', 'string',
- ['2-digit', 'numeric', 'narrow', 'short', 'long']);
- ldmlString += appendToLDMLString(option, {'2-digit': 'MM', 'numeric': 'M',
- 'narrow': 'MMMMM', 'short': 'MMM', 'long': 'MMMM'});
-
- option = getOption('day', 'string', ['2-digit', 'numeric']);
- ldmlString += appendToLDMLString(
- option, {'2-digit': 'dd', 'numeric': 'd'});
-
- var hr12 = getOption('hour12', 'boolean');
- option = getOption('hour', 'string', ['2-digit', 'numeric']);
- if (IS_UNDEFINED(hr12)) {
- ldmlString += appendToLDMLString(option, {'2-digit': 'jj', 'numeric': 'j'});
- } else if (hr12 === true) {
- ldmlString += appendToLDMLString(option, {'2-digit': 'hh', 'numeric': 'h'});
- } else {
- ldmlString += appendToLDMLString(option, {'2-digit': 'HH', 'numeric': 'H'});
- }
-
- option = getOption('minute', 'string', ['2-digit', 'numeric']);
- ldmlString += appendToLDMLString(option, {'2-digit': 'mm', 'numeric': 'm'});
-
- option = getOption('second', 'string', ['2-digit', 'numeric']);
- ldmlString += appendToLDMLString(option, {'2-digit': 'ss', 'numeric': 's'});
-
- option = getOption('timeZoneName', 'string', ['short', 'long']);
- ldmlString += appendToLDMLString(option, {short: 'z', long: 'zzzz'});
-
- return ldmlString;
-}
-
-
-/**
- * Returns either LDML equivalent of the current option or empty string.
- */
-function appendToLDMLString(option, pairs) {
- if (!IS_UNDEFINED(option)) {
- return pairs[option];
- } else {
- return '';
- }
-}
-
-
-/**
- * Returns object that matches LDML representation of the date.
- */
-function fromLDMLString(ldmlString) {
- // First remove '' quoted text, so we lose 'Uhr' strings.
- ldmlString = %_CallFunction(ldmlString, GetQuotedStringRE(), '',
- StringReplace);
-
- var options = {};
- var match = %_CallFunction(ldmlString, /E{3,5}/g, StringMatch);
- options = appendToDateTimeObject(
- options, 'weekday', match, {EEEEE: 'narrow', EEE: 'short', EEEE: 'long'});
-
- match = %_CallFunction(ldmlString, /G{3,5}/g, StringMatch);
- options = appendToDateTimeObject(
- options, 'era', match, {GGGGG: 'narrow', GGG: 'short', GGGG: 'long'});
-
- match = %_CallFunction(ldmlString, /y{1,2}/g, StringMatch);
- options = appendToDateTimeObject(
- options, 'year', match, {y: 'numeric', yy: '2-digit'});
-
- match = %_CallFunction(ldmlString, /M{1,5}/g, StringMatch);
- 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 = %_CallFunction(ldmlString, /L{1,5}/g, StringMatch);
- options = appendToDateTimeObject(options, 'month', match, {LL: '2-digit',
- L: 'numeric', LLLLL: 'narrow', LLL: 'short', LLLL: 'long'});
-
- match = %_CallFunction(ldmlString, /d{1,2}/g, StringMatch);
- options = appendToDateTimeObject(
- options, 'day', match, {d: 'numeric', dd: '2-digit'});
-
- match = %_CallFunction(ldmlString, /h{1,2}/g, StringMatch);
- if (match !== null) {
- options['hour12'] = true;
- }
- options = appendToDateTimeObject(
- options, 'hour', match, {h: 'numeric', hh: '2-digit'});
-
- match = %_CallFunction(ldmlString, /H{1,2}/g, StringMatch);
- if (match !== null) {
- options['hour12'] = false;
- }
- options = appendToDateTimeObject(
- options, 'hour', match, {H: 'numeric', HH: '2-digit'});
-
- match = %_CallFunction(ldmlString, /m{1,2}/g, StringMatch);
- options = appendToDateTimeObject(
- options, 'minute', match, {m: 'numeric', mm: '2-digit'});
-
- match = %_CallFunction(ldmlString, /s{1,2}/g, StringMatch);
- options = appendToDateTimeObject(
- options, 'second', match, {s: 'numeric', ss: '2-digit'});
-
- match = %_CallFunction(ldmlString, /z|zzzz/g, StringMatch);
- options = appendToDateTimeObject(
- options, 'timeZoneName', match, {z: 'short', zzzz: 'long'});
-
- return options;
-}
-
-
-function appendToDateTimeObject(options, option, match, pairs) {
- if (IS_NULL(match)) {
- if (!%HasOwnProperty(options, option)) {
- defineWEProperty(options, option, UNDEFINED);
- }
- return options;
- }
-
- var property = match[0];
- defineWEProperty(options, option, pairs[property]);
-
- return options;
-}
-
-
-/**
- * Returns options with at least default values in it.
- */
-function toDateTimeOptions(options, required, defaults) {
- if (IS_UNDEFINED(options)) {
- options = {};
- } else {
- options = TO_OBJECT(options);
- }
-
- var needsDefault = true;
- if ((required === 'date' || required === 'any') &&
- (!IS_UNDEFINED(options.weekday) || !IS_UNDEFINED(options.year) ||
- !IS_UNDEFINED(options.month) || !IS_UNDEFINED(options.day))) {
- needsDefault = false;
- }
-
- if ((required === 'time' || required === 'any') &&
- (!IS_UNDEFINED(options.hour) || !IS_UNDEFINED(options.minute) ||
- !IS_UNDEFINED(options.second))) {
- needsDefault = false;
- }
-
- if (needsDefault && (defaults === 'date' || defaults === 'all')) {
- ObjectDefineProperty(options, 'year', {value: 'numeric',
- writable: true,
- enumerable: true,
- configurable: true});
- ObjectDefineProperty(options, 'month', {value: 'numeric',
- writable: true,
- enumerable: true,
- configurable: true});
- ObjectDefineProperty(options, 'day', {value: 'numeric',
- writable: true,
- enumerable: true,
- configurable: true});
- }
-
- if (needsDefault && (defaults === 'time' || defaults === 'all')) {
- ObjectDefineProperty(options, 'hour', {value: 'numeric',
- writable: true,
- enumerable: true,
- configurable: true});
- ObjectDefineProperty(options, 'minute', {value: 'numeric',
- writable: true,
- enumerable: true,
- configurable: true});
- ObjectDefineProperty(options, 'second', {value: 'numeric',
- writable: true,
- enumerable: true,
- configurable: true});
- }
-
- return options;
-}
-
-
-/**
- * Initializes the given object so it's a valid DateTimeFormat instance.
- * Useful for subclassing.
- */
-function initializeDateTimeFormat(dateFormat, locales, options) {
-
- if (%IsInitializedIntlObject(dateFormat)) {
- throw MakeTypeError(kReinitializeIntl, "DateTimeFormat");
- }
-
- if (IS_UNDEFINED(options)) {
- options = {};
- }
-
- var locale = resolveLocale('dateformat', locales, options);
-
- options = toDateTimeOptions(options, 'any', 'date');
-
- var getOption = getGetOption(options, 'dateformat');
-
- // We implement only best fit algorithm, but still need to check
- // if the formatMatcher values are in range.
- var matcher = getOption('formatMatcher', 'string',
- ['basic', 'best fit'], 'best fit');
-
- // Build LDML string for the skeleton that we pass to the formatter.
- var ldmlString = toLDMLString(options);
-
- // Filter out supported extension keys so we know what to put in resolved
- // section later on.
- // We need to pass calendar and number system to the method.
- var tz = canonicalizeTimeZoneID(options.timeZone);
-
- // ICU prefers options to be passed using -u- extension key/values, so
- // we need to build that.
- var internalOptions = {};
- var extensionMap = parseExtension(locale.extension);
-
- /**
- * Map of Unicode extensions to option properties, and their values and types,
- * for a date/time format.
- */
- var DATETIME_FORMAT_KEY_MAP = {
- 'ca': {'property': UNDEFINED, 'type': 'string'},
- 'nu': {'property': UNDEFINED, 'type': 'string'}
- };
-
- var extension = setOptions(options, extensionMap, DATETIME_FORMAT_KEY_MAP,
- getOption, internalOptions);
-
- var requestedLocale = locale.locale + extension;
- var resolved = ObjectDefineProperties({}, {
- calendar: {writable: true},
- day: {writable: true},
- era: {writable: true},
- hour12: {writable: true},
- hour: {writable: true},
- locale: {writable: true},
- minute: {writable: true},
- month: {writable: true},
- numberingSystem: {writable: true},
- 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 (!IS_UNDEFINED(tz) && tz !== resolved.timeZone) {
- throw MakeRangeError(kUnsupportedTimeZone, tz);
- }
-
- %MarkAsInitializedIntlObjectOfType(dateFormat, 'dateformat', formatter);
- ObjectDefineProperty(dateFormat, 'resolved', {value: resolved});
-
- return dateFormat;
-}
-
-
-/**
- * Constructs Intl.DateTimeFormat object given optional locales and options
- * parameters.
- *
- * @constructor
- */
-%AddNamedProperty(Intl, 'DateTimeFormat', function() {
- var locales = %_Arguments(0);
- var options = %_Arguments(1);
-
- if (!this || this === Intl) {
- // Constructor is called as a function.
- return new Intl.DateTimeFormat(locales, options);
- }
-
- return initializeDateTimeFormat(TO_OBJECT(this), locales, options);
- },
- DONT_ENUM
-);
-
-
-/**
- * DateTimeFormat resolvedOptions method.
- */
-%AddNamedProperty(Intl.DateTimeFormat.prototype, 'resolvedOptions', function() {
- if (%_IsConstructCall()) {
- throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor);
- }
-
- if (!%IsInitializedIntlObjectOfType(this, 'dateformat')) {
- throw MakeTypeError(kResolvedOptionsCalledOnNonObject, "DateTimeFormat");
- }
-
- /**
- * Maps ICU calendar names into LDML type.
- */
- var ICU_CALENDAR_MAP = {
- 'gregorian': 'gregory',
- 'japanese': 'japanese',
- 'buddhist': 'buddhist',
- 'roc': 'roc',
- 'persian': 'persian',
- 'islamic-civil': 'islamicc',
- 'islamic': 'islamic',
- 'hebrew': 'hebrew',
- 'chinese': 'chinese',
- 'indian': 'indian',
- 'coptic': 'coptic',
- 'ethiopic': 'ethiopic',
- 'ethiopic-amete-alem': 'ethioaa'
- };
-
- var format = this;
- var fromPattern = fromLDMLString(format.resolved.pattern);
- var userCalendar = ICU_CALENDAR_MAP[format.resolved.calendar];
- if (IS_UNDEFINED(userCalendar)) {
- // Use ICU name if we don't have a match. It shouldn't happen, but
- // it would be too strict to throw for this.
- userCalendar = format.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.
- */
-%AddNamedProperty(Intl.DateTimeFormat, 'supportedLocalesOf', function(locales) {
- if (%_IsConstructCall()) {
- throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor);
- }
-
- 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 (IS_UNDEFINED(dateValue)) {
- dateMs = %DateCurrentTime();
- } else {
- dateMs = TO_NUMBER(dateValue);
- }
-
- if (!IsFinite(dateMs)) throw MakeRangeError(kDateRange);
-
- return %InternalDateFormat(%GetImplFromInitializedIntlObject(formatter),
- new GlobalDate(dateMs));
-}
-
-
-/**
- * Returns a Date object representing the result of calling ToString(value)
- * according to the effective locale and the formatting options of this
- * DateTimeFormat.
- * Returns undefined if date string cannot be parsed.
- */
-function parseDate(formatter, value) {
- return %InternalDateParse(%GetImplFromInitializedIntlObject(formatter),
- GlobalString(value));
-}
-
-
-// 0 because date is optional argument.
-addBoundMethod(Intl.DateTimeFormat, 'format', formatDate, 0);
-addBoundMethod(Intl.DateTimeFormat, 'v8Parse', parseDate, 1);
-
-
-/**
- * Returns canonical Area/Location name, or throws an exception if the zone
- * name is invalid IANA name.
- */
-function canonicalizeTimeZoneID(tzID) {
- // Skip undefined zones.
- if (IS_UNDEFINED(tzID)) {
- return tzID;
- }
-
- // Special case handling (UTC, GMT).
- var upperID = %StringToUpperCase(tzID);
- if (upperID === 'UTC' || upperID === 'GMT' ||
- upperID === 'ETC/UTC' || upperID === 'ETC/GMT') {
- return 'UTC';
- }
-
- // We expect only _ and / beside ASCII letters.
- // All inputs should conform to Area/Location from now on.
- var match = %_CallFunction(tzID, GetTimezoneNameCheckRE(), StringMatch);
- if (IS_NULL(match)) throw MakeRangeError(kExpectedLocation, tzID);
-
- var result = toTitleCaseWord(match[1]) + '/' + toTitleCaseWord(match[2]);
- var i = 3;
- while (!IS_UNDEFINED(match[i]) && 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 MakeTypeError(kReinitializeIntl, "v8BreakIterator");
- }
-
- if (IS_UNDEFINED(options)) {
- options = {};
- }
-
- var getOption = getGetOption(options, 'breakiterator');
-
- var internalOptions = {};
-
- defineWEProperty(internalOptions, 'type', getOption(
- 'type', 'string', ['character', 'word', 'sentence', 'line'], 'word'));
-
- var locale = resolveLocale('breakiterator', locales, options);
- var resolved = ObjectDefineProperties({}, {
- requestedLocale: {value: locale.locale, writable: true},
- type: {value: internalOptions.type, writable: true},
- locale: {writable: true}
- });
-
- var internalIterator = %CreateBreakIterator(locale.locale,
- internalOptions,
- resolved);
-
- %MarkAsInitializedIntlObjectOfType(iterator, 'breakiterator',
- internalIterator);
- ObjectDefineProperty(iterator, 'resolved', {value: resolved});
-
- return iterator;
-}
-
-
-/**
- * Constructs Intl.v8BreakIterator object given optional locales and options
- * parameters.
- *
- * @constructor
- */
-%AddNamedProperty(Intl, 'v8BreakIterator', function() {
- var locales = %_Arguments(0);
- var options = %_Arguments(1);
-
- if (!this || this === Intl) {
- // Constructor is called as a function.
- return new Intl.v8BreakIterator(locales, options);
- }
-
- return initializeBreakIterator(TO_OBJECT(this), locales, options);
- },
- DONT_ENUM
-);
-
-
-/**
- * BreakIterator resolvedOptions method.
- */
-%AddNamedProperty(Intl.v8BreakIterator.prototype, 'resolvedOptions',
- function() {
- if (%_IsConstructCall()) {
- throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor);
- }
-
- if (!%IsInitializedIntlObjectOfType(this, 'breakiterator')) {
- throw MakeTypeError(kResolvedOptionsCalledOnNonObject, "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.
- */
-%AddNamedProperty(Intl.v8BreakIterator, 'supportedLocalesOf',
- function(locales) {
- if (%_IsConstructCall()) {
- throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor);
- }
-
- 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),
- GlobalString(text));
-}
-
-
-/**
- * Returns index of the first break in the string and moves current pointer.
- */
-function first(iterator) {
- return %BreakIteratorFirst(%GetImplFromInitializedIntlObject(iterator));
-}
-
-
-/**
- * Returns the index of the next break and moves the pointer.
- */
-function next(iterator) {
- return %BreakIteratorNext(%GetImplFromInitializedIntlObject(iterator));
-}
-
-
-/**
- * Returns index of the current break.
- */
-function current(iterator) {
- return %BreakIteratorCurrent(%GetImplFromInitializedIntlObject(iterator));
-}
-
-
-/**
- * Returns type of the current break.
- */
-function breakType(iterator) {
- return %BreakIteratorBreakType(%GetImplFromInitializedIntlObject(iterator));
-}
-
-
-addBoundMethod(Intl.v8BreakIterator, 'adoptText', adoptText, 1);
-addBoundMethod(Intl.v8BreakIterator, 'first', first, 0);
-addBoundMethod(Intl.v8BreakIterator, 'next', next, 0);
-addBoundMethod(Intl.v8BreakIterator, 'current', current, 0);
-addBoundMethod(Intl.v8BreakIterator, 'breakType', breakType, 0);
-
-// Save references to Intl objects and methods we use, for added security.
-var savedObjects = {
- 'collator': Intl.Collator,
- 'numberformat': Intl.NumberFormat,
- 'dateformatall': Intl.DateTimeFormat,
- 'dateformatdate': Intl.DateTimeFormat,
- 'dateformattime': Intl.DateTimeFormat
-};
-
-
-// Default (created with undefined locales and options parameters) collator,
-// number and date format instances. They'll be created as needed.
-var defaultObjects = {
- 'collator': UNDEFINED,
- 'numberformat': UNDEFINED,
- 'dateformatall': UNDEFINED,
- 'dateformatdate': UNDEFINED,
- 'dateformattime': UNDEFINED,
-};
-
-
-/**
- * Returns cached or newly created instance of a given service.
- * We cache only default instances (where no locales or options are provided).
- */
-function cachedOrNewService(service, locales, options, defaults) {
- var useOptions = (IS_UNDEFINED(defaults)) ? options : defaults;
- if (IS_UNDEFINED(locales) && IS_UNDEFINED(options)) {
- if (IS_UNDEFINED(defaultObjects[service])) {
- defaultObjects[service] = new savedObjects[service](locales, useOptions);
- }
- return defaultObjects[service];
- }
- return new savedObjects[service](locales, useOptions);
-}
-
-
-function OverrideFunction(object, name, f) {
- %CheckIsBootstrapping();
- ObjectDefineProperty(object, name, { value: f,
- writeable: true,
- configurable: true,
- enumerable: false });
- %FunctionSetName(f, name);
- %FunctionRemovePrototype(f);
- %SetNativeFlag(f);
-}
-
-/**
- * Compares this and that, and returns less than 0, 0 or greater than 0 value.
- * Overrides the built-in method.
- */
-OverrideFunction(GlobalString.prototype, 'localeCompare', function(that) {
- if (%_IsConstructCall()) {
- throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor);
- }
-
- if (IS_NULL_OR_UNDEFINED(this)) {
- throw MakeTypeError(kMethodInvokedOnNullOrUndefined);
- }
-
- var locales = %_Arguments(1);
- var options = %_Arguments(2);
- var collator = cachedOrNewService('collator', locales, options);
- return compare(collator, this, that);
- }
-);
-
-
-/**
- * Unicode normalization. This method is called with one argument that
- * specifies the normalization form.
- * If none is specified, "NFC" is assumed.
- * If the form is not one of "NFC", "NFD", "NFKC", or "NFKD", then throw
- * a RangeError Exception.
- */
-
-OverrideFunction(GlobalString.prototype, 'normalize', function() {
- if (%_IsConstructCall()) {
- throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor);
- }
-
- CHECK_OBJECT_COERCIBLE(this, "String.prototype.normalize");
- var s = TO_STRING(this);
-
- var formArg = %_Arguments(0);
- var form = IS_UNDEFINED(formArg) ? 'NFC' : TO_STRING(formArg);
-
- var NORMALIZATION_FORMS = ['NFC', 'NFD', 'NFKC', 'NFKD'];
-
- var normalizationForm =
- %_CallFunction(NORMALIZATION_FORMS, form, ArrayIndexOf);
- if (normalizationForm === -1) {
- throw MakeRangeError(kNormalizationForm,
- %_CallFunction(NORMALIZATION_FORMS, ', ', ArrayJoin));
- }
-
- return %StringNormalize(s, normalizationForm);
- }
-);
-
-
-/**
- * Formats a Number object (this) using locale and options values.
- * If locale or options are omitted, defaults are used.
- */
-OverrideFunction(GlobalNumber.prototype, 'toLocaleString', function() {
- if (%_IsConstructCall()) {
- throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor);
- }
-
- if (!(this instanceof GlobalNumber) && typeof(this) !== 'number') {
- throw MakeTypeError(kMethodInvokedOnWrongType, "Number");
- }
-
- var locales = %_Arguments(0);
- var options = %_Arguments(1);
- var numberFormat = cachedOrNewService('numberformat', locales, options);
- return formatNumber(numberFormat, this);
- }
-);
-
-
-/**
- * Returns actual formatted date or fails if date parameter is invalid.
- */
-function toLocaleDateTime(date, locales, options, required, defaults, service) {
- if (!(date instanceof GlobalDate)) {
- throw MakeTypeError(kMethodInvokedOnWrongType, "Date");
- }
-
- if (IsNaN(date)) return 'Invalid Date';
-
- var internalOptions = toDateTimeOptions(options, required, defaults);
-
- var dateFormat =
- cachedOrNewService(service, locales, options, internalOptions);
-
- return formatDate(dateFormat, date);
-}
-
-
-/**
- * Formats a Date object (this) using locale and options values.
- * If locale or options are omitted, defaults are used - both date and time are
- * present in the output.
- */
-OverrideFunction(GlobalDate.prototype, 'toLocaleString', function() {
- if (%_IsConstructCall()) {
- throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor);
- }
-
- var locales = %_Arguments(0);
- var options = %_Arguments(1);
- return toLocaleDateTime(
- this, locales, options, 'any', 'all', 'dateformatall');
- }
-);
-
-
-/**
- * Formats a Date object (this) using locale and options values.
- * If locale or options are omitted, defaults are used - only date is present
- * in the output.
- */
-OverrideFunction(GlobalDate.prototype, 'toLocaleDateString', function() {
- if (%_IsConstructCall()) {
- throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor);
- }
-
- var locales = %_Arguments(0);
- var options = %_Arguments(1);
- return toLocaleDateTime(
- this, locales, options, 'date', 'date', 'dateformatdate');
- }
-);
-
-
-/**
- * Formats a Date object (this) using locale and options values.
- * If locale or options are omitted, defaults are used - only time is present
- * in the output.
- */
-OverrideFunction(GlobalDate.prototype, 'toLocaleTimeString', function() {
- if (%_IsConstructCall()) {
- throw MakeTypeError(kOrdinaryFunctionCalledAsConstructor);
- }
-
- var locales = %_Arguments(0);
- var options = %_Arguments(1);
- return toLocaleDateTime(
- this, locales, options, 'time', 'time', 'dateformattime');
- }
-);
-
-})
« no previous file with comments | « src/harmony-typedarray.js ('k') | src/iterator-prototype.js » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698