From: jochen@chromium.org Date: Thu, 12 Sep 2013 13:50:38 +0000 (+0000) Subject: Snapshot i18n Javascript code X-Git-Tag: upstream/4.7.83~12527 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c5b3ce0671d37c3cde6913c74eb028eac312a77a;p=platform%2Fupstream%2Fv8.git Snapshot i18n Javascript code The previous attempt used Boolean instead of $Boolean. BUG=v8:2745 R=mstarzinger@chromium.org Review URL: https://codereview.chromium.org/23622028 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16687 ce2b1a6d-e550-0410-aec6-3dcde31c8c00 --- diff --git a/src/api.cc b/src/api.cc index f75a851..71a8f4a 100644 --- a/src/api.cc +++ b/src/api.cc @@ -403,9 +403,6 @@ enum CompressedStartupDataItems { kSnapshotContext, kLibraries, kExperimentalLibraries, -#if defined(V8_I18N_SUPPORT) - kI18NExtension, -#endif kCompressedStartupDataCount }; @@ -446,17 +443,6 @@ void V8::GetCompressedStartupData(StartupData* compressed_data) { exp_libraries_source.length(); compressed_data[kExperimentalLibraries].raw_size = i::ExperimentalNatives::GetRawScriptsSize(); - -#if defined(V8_I18N_SUPPORT) - i::Vector i18n_extension_source = - i::I18NNatives::GetScriptsSource(); - compressed_data[kI18NExtension].data = - reinterpret_cast(i18n_extension_source.start()); - compressed_data[kI18NExtension].compressed_size = - i18n_extension_source.length(); - compressed_data[kI18NExtension].raw_size = - i::I18NNatives::GetRawScriptsSize(); -#endif #endif } @@ -486,15 +472,6 @@ void V8::SetDecompressedStartupData(StartupData* decompressed_data) { decompressed_data[kExperimentalLibraries].data, decompressed_data[kExperimentalLibraries].raw_size); i::ExperimentalNatives::SetRawScriptsSource(exp_libraries_source); - -#if defined(V8_I18N_SUPPORT) - ASSERT_EQ(i::I18NNatives::GetRawScriptsSize(), - decompressed_data[kI18NExtension].raw_size); - i::Vector i18n_extension_source( - decompressed_data[kI18NExtension].data, - decompressed_data[kI18NExtension].raw_size); - i::I18NNatives::SetRawScriptsSource(i18n_extension_source); -#endif #endif } diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc index 58b115d..0756aef 100644 --- a/src/bootstrapper.cc +++ b/src/bootstrapper.cc @@ -45,10 +45,6 @@ #include "extensions/statistics-extension.h" #include "code-stubs.h" -#if defined(V8_I18N_SUPPORT) -#include "extensions/i18n/i18n-extension.h" -#endif - namespace v8 { namespace internal { @@ -106,9 +102,6 @@ void Bootstrapper::InitializeOncePerProcess() { GCExtension::Register(); ExternalizeStringExtension::Register(); StatisticsExtension::Register(); -#if defined(V8_I18N_SUPPORT) - v8_i18n::Extension::Register(); -#endif } @@ -2291,12 +2284,6 @@ bool Genesis::InstallExtensions(Handle native_context, InstallExtension(isolate, "v8/statistics", &extension_states); } -#if defined(V8_I18N_SUPPORT) - if (FLAG_enable_i18n) { - InstallExtension(isolate, "v8/i18n", &extension_states); - } -#endif - if (extensions == NULL) return true; // Install required extensions int count = v8::ImplementationUtilities::GetNameCount(extensions); diff --git a/src/extensions/i18n/break-iterator.js b/src/extensions/i18n/break-iterator.js deleted file mode 100644 index 898bd5d..0000000 --- a/src/extensions/i18n/break-iterator.js +++ /dev/null @@ -1,190 +0,0 @@ -// Copyright 2013 the V8 project authors. All rights reserved. -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// limitations under the License. - -// ECMAScript 402 API implementation is broken into separate files for -// each service. The build system combines them together into one -// Intl namespace. - -/** - * Initializes the given object so it's a valid BreakIterator instance. - * Useful for subclassing. - */ -function initializeBreakIterator(iterator, locales, options) { - if (iterator.hasOwnProperty('__initializedIntlObject')) { - 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); - - Object.defineProperty(iterator, 'iterator', {value: internalIterator}); - Object.defineProperty(iterator, 'resolved', {value: resolved}); - Object.defineProperty(iterator, '__initializedIntlObject', - {value: 'breakiterator'}); - - 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); - }, - ATTRIBUTES.DONT_ENUM -); - - -/** - * BreakIterator resolvedOptions method. - */ -%SetProperty(Intl.v8BreakIterator.prototype, 'resolvedOptions', function() { - if (%_IsConstructCall()) { - throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); - } - - if (!this || typeof this !== 'object' || - this.__initializedIntlObject !== '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 - }; - }, - ATTRIBUTES.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]); - }, - ATTRIBUTES.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(iterator.iterator, String(text)); -} - - -/** - * Returns index of the first break in the string and moves current pointer. - */ -function first(iterator) { - return %BreakIteratorFirst(iterator.iterator); -} - - -/** - * Returns the index of the next break and moves the pointer. - */ -function next(iterator) { - return %BreakIteratorNext(iterator.iterator); -} - - -/** - * Returns index of the current break. - */ -function current(iterator) { - return %BreakIteratorCurrent(iterator.iterator); -} - - -/** - * Returns type of the current break. - */ -function breakType(iterator) { - return %BreakIteratorBreakType(iterator.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); diff --git a/src/extensions/i18n/collator.js b/src/extensions/i18n/collator.js deleted file mode 100644 index d8d247b..0000000 --- a/src/extensions/i18n/collator.js +++ /dev/null @@ -1,209 +0,0 @@ -// Copyright 2013 the V8 project authors. All rights reserved. -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// limitations under the License. - -// ECMAScript 402 API implementation is broken into separate files for -// each service. The build system combines them together into one -// Intl namespace. - -/** - * Initializes the given object so it's a valid Collator instance. - * Useful for subclassing. - */ -function initializeCollator(collator, locales, options) { - if (collator.hasOwnProperty('__initializedIntlObject')) { - 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. - Object.defineProperty(collator, 'collator', {value: internalCollator}); - Object.defineProperty(collator, '__initializedIntlObject', - {value: 'collator'}); - 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); - }, - ATTRIBUTES.DONT_ENUM -); - - -/** - * Collator resolvedOptions method. - */ -%SetProperty(Intl.Collator.prototype, 'resolvedOptions', function() { - if (%_IsConstructCall()) { - throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); - } - - if (!this || typeof this !== 'object' || - this.__initializedIntlObject !== '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 - }; - }, - ATTRIBUTES.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]); - }, - ATTRIBUTES.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(collator.collator, String(x), String(y)); -}; - - -addBoundMethod(Intl.Collator, 'compare', compare, 2); diff --git a/src/extensions/i18n/date-format.js b/src/extensions/i18n/date-format.js deleted file mode 100644 index b1d28e5..0000000 --- a/src/extensions/i18n/date-format.js +++ /dev/null @@ -1,474 +0,0 @@ -// Copyright 2013 the V8 project authors. All rights reserved. -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// limitations under the License. - -// ECMAScript 402 API implementation is broken into separate files for -// each service. The build system combines them together into one -// Intl namespace. - -/** - * 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: 'v', long: 'vv'}); - - 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(QUOTED_STRING_RE, ''); - - 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(/v{1,2}/g); - options = appendToDateTimeObject( - options, 'timeZoneName', match, {v: 'short', vv: 'long'}); - - return options; -} - - -function appendToDateTimeObject(options, option, match, pairs) { - if (match === null) { - 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 (dateFormat.hasOwnProperty('__initializedIntlObject')) { - 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); - } - - Object.defineProperty(dateFormat, 'formatter', {value: formatter}); - Object.defineProperty(dateFormat, 'resolved', {value: resolved}); - Object.defineProperty(dateFormat, '__initializedIntlObject', - {value: 'dateformat'}); - - 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); - }, - ATTRIBUTES.DONT_ENUM -); - - -/** - * DateTimeFormat resolvedOptions method. - */ -%SetProperty(Intl.DateTimeFormat.prototype, 'resolvedOptions', function() { - if (%_IsConstructCall()) { - throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); - } - - if (!this || typeof this !== 'object' || - this.__initializedIntlObject !== '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; - }, - ATTRIBUTES.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]); - }, - ATTRIBUTES.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(formatter.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(formatter.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 = TIMEZONE_NAME_CHECK_RE.exec(tzID); - if (match === null) { - 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; -} diff --git a/src/extensions/i18n/footer.js b/src/extensions/i18n/footer.js deleted file mode 100644 index ac33f1e..0000000 --- a/src/extensions/i18n/footer.js +++ /dev/null @@ -1,40 +0,0 @@ -// Copyright 2013 the V8 project authors. All rights reserved. -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// limitations under the License. - -// ECMAScript 402 API implementation is broken into separate files for -// each service. The build system combines them together into one -// Intl namespace. - -// Fix RegExp global state so we don't fail WebKit layout test: -// fast/js/regexp-caching.html -// It seems that 'g' or test() operations leave state changed. -var CLEANUP_RE = new RegExp(''); -CLEANUP_RE.test(''); - -return Intl; -}()); diff --git a/src/extensions/i18n/globals.js b/src/extensions/i18n/globals.js deleted file mode 100644 index 68fabe7..0000000 --- a/src/extensions/i18n/globals.js +++ /dev/null @@ -1,168 +0,0 @@ -// Copyright 2013 the V8 project authors. All rights reserved. -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// limitations under the License. - - -/** - * List of available services. - */ -var AVAILABLE_SERVICES = ['collator', - 'numberformat', - 'dateformat', - 'breakiterator']; - -/** - * 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 = new RegExp('-u(-[a-z0-9]{2,8})+', 'g'); - -/** - * Matches any Unicode extension. - */ -var ANY_EXTENSION_RE = new RegExp('-[a-z0-9]{1}-.*', 'g'); - -/** - * Replace quoted text (single quote, anything but the quote and quote again). - */ -var QUOTED_STRING_RE = new RegExp("'[^']+'", 'g'); - -/** - * Matches valid service name. - */ -var SERVICE_RE = - new RegExp('^(collator|numberformat|dateformat|breakiterator)$'); - -/** - * Validates a language tag against bcp47 spec. - * Actual value is assigned on first run. - */ -var LANGUAGE_TAG_RE = undefined; - -/** - * Helps find duplicate variants in the language tag. - */ -var LANGUAGE_VARIANT_RE = undefined; - -/** - * Helps find duplicate singletons in the language tag. - */ -var LANGUAGE_SINGLETON_RE = undefined; - -/** - * Matches valid IANA time zone names. - */ -var TIMEZONE_NAME_CHECK_RE = - new RegExp('^([A-Za-z]+)/([A-Za-z]+)(?:_([A-Za-z]+))*$'); - -/** - * 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' -}; - -/** - * 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']} -}; - -/** - * 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'} -}; - -/** - * 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'} -}; - -/** - * 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' -]; - -/** - * Object attributes (configurable, writable, enumerable). - * To combine attributes, OR them. - * Values/names are copied from v8/include/v8.h:PropertyAttribute - */ -var ATTRIBUTES = { - 'NONE': 0, - 'READ_ONLY': 1, - 'DONT_ENUM': 2, - 'DONT_DELETE': 4 -}; - -/** - * Error message for when function object is created with new and it's not - * a constructor. - */ -var ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR = - 'Function object that\'s not a constructor was created with new'; diff --git a/src/extensions/i18n/header.js b/src/extensions/i18n/header.js deleted file mode 100644 index 1c0a2d8..0000000 --- a/src/extensions/i18n/header.js +++ /dev/null @@ -1,41 +0,0 @@ -// Copyright 2013 the V8 project authors. All rights reserved. -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// limitations under the License. - -// ECMAScript 402 API implementation is broken into separate files for -// each service. The build system combines them together into one -// Intl namespace. - -/** - * Intl object is a single object that has some named properties, - * all of which are constructors. - */ -var Intl = (function() { - -'use strict'; - -var Intl = {}; diff --git a/src/extensions/i18n/i18n-extension.cc b/src/extensions/i18n/i18n-extension.cc deleted file mode 100644 index b5f2863..0000000 --- a/src/extensions/i18n/i18n-extension.cc +++ /dev/null @@ -1,51 +0,0 @@ -// Copyright 2013 the V8 project authors. All rights reserved. -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// limitations under the License. - -#include "i18n-extension.h" - -#include "natives.h" - -using v8::internal::I18NNatives; - -namespace v8_i18n { - -Extension::Extension() - : v8::Extension("v8/i18n", - reinterpret_cast( - I18NNatives::GetScriptsSource().start()), - 0, - 0, - I18NNatives::GetScriptsSource().length()) {} - - -void Extension::Register() { - static Extension i18n_extension; - static v8::DeclareExtension extension_declaration(&i18n_extension); -} - -} // namespace v8_i18n diff --git a/src/extensions/i18n/i18n-extension.h b/src/extensions/i18n/i18n-extension.h deleted file mode 100644 index 9e538cb..0000000 --- a/src/extensions/i18n/i18n-extension.h +++ /dev/null @@ -1,48 +0,0 @@ -// Copyright 2013 the V8 project authors. All rights reserved. -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// limitations under the License. - -#ifndef V8_EXTENSIONS_I18N_I18N_EXTENSION_H_ -#define V8_EXTENSIONS_I18N_I18N_EXTENSION_H_ - -#include "v8.h" - -namespace v8_i18n { - -class Extension : public v8::Extension { - public: - Extension(); - - static void Register(); - - private: - static Extension* extension_; -}; - -} // namespace v8_i18n - -#endif // V8_EXTENSIONS_I18N_I18N_EXTENSION_H_ diff --git a/src/extensions/i18n/i18n-utils.js b/src/extensions/i18n/i18n-utils.js deleted file mode 100644 index 545082e..0000000 --- a/src/extensions/i18n/i18n-utils.js +++ /dev/null @@ -1,536 +0,0 @@ -// Copyright 2013 the V8 project authors. All rights reserved. -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// limitations under the License. - -// ECMAScript 402 API implementation is broken into separate files for -// each service. The build system combines them together into one -// Intl namespace. - -/** - * Adds bound method to the prototype of the given object. - */ -function addBoundMethod(obj, methodName, implementation, length) { - function getter() { - if (!this || typeof this !== 'object' || - this.__initializedIntlObject === undefined) { - throw new TypeError('Method ' + methodName + ' called on a ' + - 'non-object or on a wrong type of object.'); - } - var internalName = '__bound' + methodName + '__'; - if (this[internalName] === undefined) { - var that = this; - var boundMethod; - if (length === undefined || length === 2) { - boundMethod = function(x, y) { - if (%_IsConstructCall()) { - throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); - } - return implementation(that, x, y); - } - } else if (length === 1) { - boundMethod = function(x) { - if (%_IsConstructCall()) { - throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); - } - return implementation(that, x); - } - } else { - boundMethod = function() { - if (%_IsConstructCall()) { - throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); - } - // DateTimeFormat.format needs to be 0 arg method, but can stil - // receive optional dateValue param. If one was provided, pass it - // along. - if (arguments.length > 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); - - Object.defineProperty(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 (service.match(SERVICE_RE) === null) { - throw new Error('Internal error, wrong service type: ' + service); - } - - // Provide defaults if matcher was not specified. - if (options === undefined) { - options = {}; - } else { - options = toObject(options); - } - - var matcher = options.localeMatcher; - if (matcher !== undefined) { - matcher = String(matcher); - if (matcher !== 'lookup' && matcher !== 'best fit') { - throw new RangeError('Illegal value for localeMatcher:' + matcher); - } - } else { - matcher = 'best fit'; - } - - var requestedLocales = initializeLocaleList(locales); - - // Cache these, they don't ever change per service. - if (AVAILABLE_LOCALES[service] === undefined) { - 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 = requestedLocales[i].replace(UNICODE_EXTENSION_RE, ''); - do { - if (availableLocales[locale] !== undefined) { - // Push requested locale not the resolved one. - matchedLocales.push(requestedLocales[i]); - break; - } - // Truncate locale if possible, if not break. - var pos = locale.lastIndexOf('-'); - if (pos === -1) { - break; - } - locale = locale.substring(0, pos); - } while (true); - } - - return matchedLocales; -} - - -/** - * Returns the subset of the provided BCP 47 language priority list for which - * this service has a matching locale when using the implementation - * dependent algorithm. - * Locales appear in the same order in the returned list as in the input list. - */ -function bestFitSupportedLocalesOf(requestedLocales, availableLocales) { - // TODO(cira): implement better best fit algorithm. - return lookupSupportedLocalesOf(requestedLocales, availableLocales); -} - - -/** - * Returns a getOption function that extracts property value for given - * options object. If property is missing it returns defaultValue. If value - * is out of range for that property it throws RangeError. - */ -function getGetOption(options, caller) { - if (options === undefined) { - throw new Error('Internal ' + caller + ' error. ' + - 'Default options are missing.'); - } - - var getOption = function getOption(property, type, values, defaultValue) { - if (options[property] !== undefined) { - var value = options[property]; - switch (type) { - case 'boolean': - value = Boolean(value); - break; - case 'string': - value = String(value); - break; - case 'number': - value = Number(value); - break; - default: - throw new Error('Internal error. Wrong value type.'); - } - if (values !== undefined && values.indexOf(value) === -1) { - throw new RangeError('Value ' + value + ' out of range for ' + caller + - ' options property ' + 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 (service.match(SERVICE_RE) === null) { - throw new Error('Internal error, wrong service type: ' + service); - } - - // Cache these, they don't ever change per service. - if (AVAILABLE_LOCALES[service] === undefined) { - AVAILABLE_LOCALES[service] = getAvailableLocalesOf(service); - } - - for (var i = 0; i < requestedLocales.length; ++i) { - // Remove all extensions. - var locale = requestedLocales[i].replace(ANY_EXTENSION_RE, ''); - do { - if (AVAILABLE_LOCALES[service][locale] !== undefined) { - // Return the resolved locale and extension. - var extensionMatch = requestedLocales[i].match(UNICODE_EXTENSION_RE); - var extension = (extensionMatch === null) ? '' : extensionMatch[0]; - return {'locale': locale, 'extension': extension, 'position': i}; - } - // Truncate locale if possible. - var pos = locale.lastIndexOf('-'); - if (pos === -1) { - break; - } - locale = locale.substring(0, pos); - } while (true); - } - - // Didn't find a match, return default. - if (DEFAULT_ICU_LOCALE === undefined) { - 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 = extension.split('-'); - - // 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 && previousKey !== undefined) { - extensionMap[previousKey] = element; - previousKey = undefined; - } else { - // There is a value that's too long, or that doesn't have a key. - return {}; - } - } - - return extensionMap; -} - - -/** - * Converts parameter to an Object if possible. - */ -function toObject(value) { - if (value === undefined || value === null) { - 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, 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(); -} diff --git a/src/extensions/i18n/locale.js b/src/extensions/i18n/locale.js deleted file mode 100644 index e478327..0000000 --- a/src/extensions/i18n/locale.js +++ /dev/null @@ -1,190 +0,0 @@ -// Copyright 2013 the V8 project authors. All rights reserved. -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// limitations under the License. - -// ECMAScript 402 API implementation is broken into separate files for -// each service. The build system combines them together into one -// Intl namespace. - -/** - * 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' || - localeID === null) { - 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 (LANGUAGE_TAG_RE.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 (LANGUAGE_VARIANT_RE.test(value) === true && extensions.length === 0) { - if (variants.indexOf(value) === -1) { - variants.push(value); - } else { - return false; - } - } - - if (LANGUAGE_SINGLETON_RE.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() { - 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'); -})(); diff --git a/src/extensions/i18n/number-format.js b/src/extensions/i18n/number-format.js deleted file mode 100644 index 5722a5d..0000000 --- a/src/extensions/i18n/number-format.js +++ /dev/null @@ -1,289 +0,0 @@ -// Copyright 2013 the V8 project authors. All rights reserved. -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// limitations under the License. - -// ECMAScript 402 API implementation is broken into separate files for -// each service. The build system combines them together into one -// Intl namespace. - -/** - * 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 Math.floor(value); - } - - return fallback; -} - - -/** - * Initializes the given object so it's a valid NumberFormat instance. - * Useful for subclassing. - */ -function initializeNumberFormat(numberFormat, locales, options) { - if (numberFormat.hasOwnProperty('__initializedIntlObject')) { - 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}); - } - - Object.defineProperty(numberFormat, 'formatter', {value: formatter}); - Object.defineProperty(numberFormat, 'resolved', {value: resolved}); - Object.defineProperty(numberFormat, '__initializedIntlObject', - {value: 'numberformat'}); - - 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); - }, - ATTRIBUTES.DONT_ENUM -); - - -/** - * NumberFormat resolvedOptions method. - */ -%SetProperty(Intl.NumberFormat.prototype, 'resolvedOptions', function() { - if (%_IsConstructCall()) { - throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); - } - - if (!this || typeof this !== 'object' || - this.__initializedIntlObject !== '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; - }, - ATTRIBUTES.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]); - }, - ATTRIBUTES.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); - if (number === -0) { - number = 0; - } - - return %InternalNumberFormat(formatter.formatter, number); -} - - -/** - * Returns a Number that represents string value that was passed in. - */ -function parseNumber(formatter, value) { - return %InternalNumberParse(formatter.formatter, String(value)); -} - - -addBoundMethod(Intl.NumberFormat, 'format', formatNumber, 1); -addBoundMethod(Intl.NumberFormat, 'v8Parse', parseNumber, 1); diff --git a/src/extensions/i18n/overrides.js b/src/extensions/i18n/overrides.js deleted file mode 100644 index b2d60b3..0000000 --- a/src/extensions/i18n/overrides.js +++ /dev/null @@ -1,220 +0,0 @@ -// Copyright 2013 the V8 project authors. All rights reserved. -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// limitations under the License. - -// ECMAScript 402 API implementation is broken into separate files for -// each service. The build system combines them together into one -// Intl namespace. - - -// 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 (this === undefined || this === null) { - 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); - - -/** - * 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); diff --git a/src/flag-definitions.h b/src/flag-definitions.h index 7548c01..cc153af 100644 --- a/src/flag-definitions.h +++ b/src/flag-definitions.h @@ -401,7 +401,6 @@ DEFINE_bool(enable_vldr_imm, false, "enable use of constant pools for double immediate (ARM only)") // bootstrapper.cc -DEFINE_bool(enable_i18n, true, "enable i18n extension") DEFINE_string(expose_natives_as, NULL, "expose natives in global object") DEFINE_string(expose_debug_as, NULL, "expose debug in global object") DEFINE_bool(expose_gc, false, "expose gc extension") diff --git a/src/i18n.js b/src/i18n.js new file mode 100644 index 0000000..1798bbb --- /dev/null +++ b/src/i18n.js @@ -0,0 +1,2116 @@ +// Copyright 2013 the V8 project authors. All rights reserved. +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following +// disclaimer in the documentation and/or other materials provided +// with the distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived +// from this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// limitations under the License. + +// ECMAScript 402 API implementation. + +/** + * Intl object is a single object that has some named properties, + * all of which are constructors. + */ +$Object.defineProperty(global, "Intl", { enumerable: false, value: (function() { + +'use strict'; + +var Intl = {}; + +var undefined = global.undefined; + +var AVAILABLE_SERVICES = ['collator', + 'numberformat', + 'dateformat', + 'breakiterator']; + +/** + * 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 (UNICODE_EXTENSION_RE === undefined) { + UNICODE_EXTENSION_RE = new $RegExp('-u(-[a-z0-9]{2,8})+', 'g'); + } + return UNICODE_EXTENSION_RE; +} + +/** + * Matches any Unicode extension. + */ +var ANY_EXTENSION_RE = undefined; + +function GetAnyExtensionRE() { + if (ANY_EXTENSION_RE === undefined) { + ANY_EXTENSION_RE = new $RegExp('-[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 (QUOTED_STRING_RE === undefined) { + QUOTED_STRING_RE = new $RegExp("'[^']+'", 'g'); + } + return QUOTED_STRING_RE; +} + +/** + * Matches valid service name. + */ +var SERVICE_RE = undefined; + +function GetServiceRE() { + if (SERVICE_RE === undefined) { + SERVICE_RE = + new $RegExp('^(collator|numberformat|dateformat|breakiterator)$'); + } + 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 (LANGUAGE_TAG_RE === undefined) { + BuildLanguageTagREs(); + } + return LANGUAGE_TAG_RE; +} + +/** + * Helps find duplicate variants in the language tag. + */ +var LANGUAGE_VARIANT_RE = undefined; + +function GetLanguageVariantRE() { + if (LANGUAGE_VARIANT_RE === undefined) { + BuildLanguageTagREs(); + } + return LANGUAGE_VARIANT_RE; +} + +/** + * Helps find duplicate singletons in the language tag. + */ +var LANGUAGE_SINGLETON_RE = undefined; + +function GetLanguageSingletonRE() { + if (LANGUAGE_SINGLETON_RE === undefined) { + BuildLanguageTagREs(); + } + return LANGUAGE_SINGLETON_RE; +} + +/** + * Matches valid IANA time zone names. + */ +var TIMEZONE_NAME_CHECK_RE = undefined; + +function GetTimezoneNameCheckRE() { + if (TIMEZONE_NAME_CHECK_RE === undefined) { + TIMEZONE_NAME_CHECK_RE = + new $RegExp('^([A-Za-z]+)/([A-Za-z]+)(?:_([A-Za-z]+))*$'); + } + return TIMEZONE_NAME_CHECK_RE; +} + +/** + * 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' +}; + +/** + * 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']} +}; + +/** + * 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'} +}; + +/** + * 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'} +}; + +/** + * 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' +]; + +/** + * Error message for when function object is created with new and it's not + * a constructor. + */ +var ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR = + 'Function object that\'s not a constructor was created with new'; + + +/** + * Adds bound method to the prototype of the given object. + */ +function addBoundMethod(obj, methodName, implementation, length) { + function getter() { + if (!this || typeof this !== 'object' || + this.__initializedIntlObject === undefined) { + throw new $TypeError('Method ' + methodName + ' called on a ' + + 'non-object or on a wrong type of object.'); + } + var internalName = '__bound' + methodName + '__'; + if (this[internalName] === undefined) { + var that = this; + var boundMethod; + if (length === undefined || length === 2) { + boundMethod = function(x, y) { + if (%_IsConstructCall()) { + throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); + } + return implementation(that, x, y); + } + } else if (length === 1) { + boundMethod = function(x) { + if (%_IsConstructCall()) { + throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); + } + return implementation(that, x); + } + } else { + boundMethod = function() { + if (%_IsConstructCall()) { + throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR); + } + // DateTimeFormat.format needs to be 0 arg method, but can stil + // receive optional dateValue param. If one was provided, pass it + // along. + if (arguments.length > 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); + + $Object.defineProperty(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 (service.match(GetServiceRE()) === null) { + throw new $Error('Internal error, wrong service type: ' + service); + } + + // Provide defaults if matcher was not specified. + if (options === undefined) { + options = {}; + } else { + options = toObject(options); + } + + var matcher = options.localeMatcher; + if (matcher !== undefined) { + matcher = $String(matcher); + if (matcher !== 'lookup' && matcher !== 'best fit') { + throw new $RangeError('Illegal value for localeMatcher:' + matcher); + } + } else { + matcher = 'best fit'; + } + + var requestedLocales = initializeLocaleList(locales); + + // Cache these, they don't ever change per service. + if (AVAILABLE_LOCALES[service] === undefined) { + 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 = requestedLocales[i].replace(GetUnicodeExtensionRE(), ''); + do { + if (availableLocales[locale] !== undefined) { + // Push requested locale not the resolved one. + matchedLocales.push(requestedLocales[i]); + break; + } + // Truncate locale if possible, if not break. + var pos = locale.lastIndexOf('-'); + if (pos === -1) { + break; + } + locale = locale.substring(0, pos); + } while (true); + } + + return matchedLocales; +} + + +/** + * Returns the subset of the provided BCP 47 language priority list for which + * this service has a matching locale when using the implementation + * dependent algorithm. + * Locales appear in the same order in the returned list as in the input list. + */ +function bestFitSupportedLocalesOf(requestedLocales, availableLocales) { + // TODO(cira): implement better best fit algorithm. + return lookupSupportedLocalesOf(requestedLocales, availableLocales); +} + + +/** + * Returns a getOption function that extracts property value for given + * options object. If property is missing it returns defaultValue. If value + * is out of range for that property it throws RangeError. + */ +function getGetOption(options, caller) { + if (options === undefined) { + throw new $Error('Internal ' + caller + ' error. ' + + 'Default options are missing.'); + } + + var getOption = function getOption(property, type, values, defaultValue) { + if (options[property] !== undefined) { + var value = options[property]; + switch (type) { + case 'boolean': + value = $Boolean(value); + break; + case 'string': + value = $String(value); + break; + case 'number': + value = $Number(value); + break; + default: + throw new $Error('Internal error. Wrong value type.'); + } + if (values !== undefined && values.indexOf(value) === -1) { + throw new $RangeError('Value ' + value + ' out of range for ' + caller + + ' options property ' + 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 (service.match(GetServiceRE()) === null) { + throw new $Error('Internal error, wrong service type: ' + service); + } + + // Cache these, they don't ever change per service. + if (AVAILABLE_LOCALES[service] === undefined) { + AVAILABLE_LOCALES[service] = getAvailableLocalesOf(service); + } + + for (var i = 0; i < requestedLocales.length; ++i) { + // Remove all extensions. + var locale = requestedLocales[i].replace(GetAnyExtensionRE(), ''); + do { + if (AVAILABLE_LOCALES[service][locale] !== undefined) { + // Return the resolved locale and extension. + var extensionMatch = requestedLocales[i].match(GetUnicodeExtensionRE()); + var extension = (extensionMatch === null) ? '' : extensionMatch[0]; + return {'locale': locale, 'extension': extension, 'position': i}; + } + // Truncate locale if possible. + var pos = locale.lastIndexOf('-'); + if (pos === -1) { + break; + } + locale = locale.substring(0, pos); + } while (true); + } + + // Didn't find a match, return default. + if (DEFAULT_ICU_LOCALE === undefined) { + 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 = extension.split('-'); + + // 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 && previousKey !== undefined) { + extensionMap[previousKey] = element; + previousKey = undefined; + } else { + // There is a value that's too long, or that doesn't have a key. + return {}; + } + } + + return extensionMap; +} + + +/** + * Converts parameter to an Object if possible. + */ +function toObject(value) { + if (value === undefined || value === null) { + 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, 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' || + localeID === null) { + 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 (collator.hasOwnProperty('__initializedIntlObject')) { + 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. + $Object.defineProperty(collator, 'collator', {value: internalCollator}); + $Object.defineProperty(collator, '__initializedIntlObject', + {value: 'collator'}); + $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 (!this || typeof this !== 'object' || + this.__initializedIntlObject !== '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(collator.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 (numberFormat.hasOwnProperty('__initializedIntlObject')) { + 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}); + } + + $Object.defineProperty(numberFormat, 'formatter', {value: formatter}); + $Object.defineProperty(numberFormat, 'resolved', {value: resolved}); + $Object.defineProperty(numberFormat, '__initializedIntlObject', + {value: 'numberformat'}); + + 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 (!this || typeof this !== 'object' || + this.__initializedIntlObject !== '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); + if (number === -0) { + number = 0; + } + + return %InternalNumberFormat(formatter.formatter, number); +} + + +/** + * Returns a Number that represents string value that was passed in. + */ +function parseNumber(formatter, value) { + return %InternalNumberParse(formatter.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: 'v', long: 'vv'}); + + 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(/v{1,2}/g); + options = appendToDateTimeObject( + options, 'timeZoneName', match, {v: 'short', vv: 'long'}); + + return options; +} + + +function appendToDateTimeObject(options, option, match, pairs) { + if (match === null) { + 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 (dateFormat.hasOwnProperty('__initializedIntlObject')) { + 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); + } + + $Object.defineProperty(dateFormat, 'formatter', {value: formatter}); + $Object.defineProperty(dateFormat, 'resolved', {value: resolved}); + $Object.defineProperty(dateFormat, '__initializedIntlObject', + {value: 'dateformat'}); + + 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 (!this || typeof this !== 'object' || + this.__initializedIntlObject !== '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(formatter.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(formatter.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 (match === null) { + 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 (iterator.hasOwnProperty('__initializedIntlObject')) { + 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); + + $Object.defineProperty(iterator, 'iterator', {value: internalIterator}); + $Object.defineProperty(iterator, 'resolved', {value: resolved}); + $Object.defineProperty(iterator, '__initializedIntlObject', + {value: 'breakiterator'}); + + 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 (!this || typeof this !== 'object' || + this.__initializedIntlObject !== '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(iterator.iterator, $String(text)); +} + + +/** + * Returns index of the first break in the string and moves current pointer. + */ +function first(iterator) { + return %BreakIteratorFirst(iterator.iterator); +} + + +/** + * Returns the index of the next break and moves the pointer. + */ +function next(iterator) { + return %BreakIteratorNext(iterator.iterator); +} + + +/** + * Returns index of the current break. + */ +function current(iterator) { + return %BreakIteratorCurrent(iterator.iterator); +} + + +/** + * Returns type of the current break. + */ +function breakType(iterator) { + return %BreakIteratorBreakType(iterator.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 (this === undefined || this === null) { + 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); + + +/** + * 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; +}())}); diff --git a/src/mksnapshot.cc b/src/mksnapshot.cc index efd6e79..9cf9e2e 100644 --- a/src/mksnapshot.cc +++ b/src/mksnapshot.cc @@ -314,9 +314,6 @@ int main(int argc, char** argv) { // By default, log code create information in the snapshot. i::FLAG_log_code = true; - // Disable the i18n extension, as it doesn't support being snapshotted yet. - i::FLAG_enable_i18n = false; - // Print the usage if an error occurs when parsing the command line // flags or if the help flag is set. int result = i::FlagList::SetFlagsFromCommandLine(&argc, argv, true); diff --git a/src/natives.h b/src/natives.h index e3f69d1..5f34420 100644 --- a/src/natives.h +++ b/src/natives.h @@ -36,7 +36,7 @@ typedef bool (*NativeSourceCallback)(Vector name, int index); enum NativeType { - CORE, EXPERIMENTAL, D8, TEST, I18N + CORE, EXPERIMENTAL, D8, TEST }; template @@ -61,7 +61,6 @@ class NativesCollection { typedef NativesCollection Natives; typedef NativesCollection ExperimentalNatives; -typedef NativesCollection I18NNatives; } } // namespace v8::internal diff --git a/test/cctest/test-heap.cc b/test/cctest/test-heap.cc index 64075d2..9d74011 100644 --- a/test/cctest/test-heap.cc +++ b/test/cctest/test-heap.cc @@ -3141,10 +3141,6 @@ TEST(Regress169209) { i::FLAG_allow_natives_syntax = true; i::FLAG_flush_code_incrementally = true; - // Disable loading the i18n extension which breaks the assumptions of this - // test about the heap layout. - i::FLAG_enable_i18n = false; - CcTest::InitializeVM(); Isolate* isolate = Isolate::Current(); Heap* heap = isolate->heap(); diff --git a/test/mjsunit/debug-script.js b/test/mjsunit/debug-script.js index 6e673f7..1cbdb37 100644 --- a/test/mjsunit/debug-script.js +++ b/test/mjsunit/debug-script.js @@ -59,9 +59,9 @@ for (i = 0; i < scripts.length; i++) { } // This has to be updated if the number of native scripts change. -assertEquals(16, named_native_count); -// Only the 'gc' and (depending on flags) the 'i18n' extensions are loaded. -assertTrue(extension_count == 1 || extension_count == 2); +assertTrue(named_native_count == 16 || named_native_count == 17); +// Only the 'gc' extension is loaded. +assertEquals(1, extension_count); // This script and mjsunit.js has been loaded. If using d8, d8 loads // a normal script during startup too. assertTrue(normal_count == 2 || normal_count == 3); diff --git a/tools/gyp/v8.gyp b/tools/gyp/v8.gyp index b461bc3..aa01a84 100644 --- a/tools/gyp/v8.gyp +++ b/tools/gyp/v8.gyp @@ -129,11 +129,6 @@ ], }, }], - ['v8_enable_i18n_support==1', { - 'sources': [ - '<(SHARED_INTERMEDIATE_DIR)/i18n-libraries.cc', - ], - }], ], 'dependencies': [ 'v8_base.<(v8_target_arch)', @@ -197,11 +192,6 @@ 'V8_SHARED', ], }], - ['v8_enable_i18n_support==1', { - 'sources': [ - '<(SHARED_INTERMEDIATE_DIR)/i18n-libraries.cc', - ], - }], ] }, { @@ -864,10 +854,6 @@ ] }], ['v8_enable_i18n_support==1', { - 'sources': [ - '../../src/extensions/i18n/i18n-extension.cc', - '../../src/extensions/i18n/i18n-extension.h', - ], 'dependencies': [ '<(DEPTH)/third_party/icu/icu.gyp:icui18n', '<(DEPTH)/third_party/icu/icu.gyp:icuuc', @@ -895,24 +881,15 @@ 'toolsets': ['target'], }], ['v8_enable_i18n_support==1', { - 'actions': [{ - 'action_name': 'js2c_i18n', - 'inputs': [ - '../../tools/js2c.py', - '<@(i18n_library_files)', - ], - 'outputs': [ - '<(SHARED_INTERMEDIATE_DIR)/i18n-libraries.cc', - ], - 'action': [ - 'python', - '../../tools/js2c.py', - '<@(_outputs)', - 'I18N', - '<(v8_compress_startup_data)', - '<@(i18n_library_files)' + 'variables': { + 'i18n_library_files': [ + '../../src/i18n.js', ], - }], + }, + }, { + 'variables': { + 'i18n_library_files': [], + }, }], ], 'variables': { @@ -946,18 +923,6 @@ '../../src/harmony-string.js', '../../src/harmony-array.js', ], - 'i18n_library_files': [ - '../../src/extensions/i18n/header.js', - '../../src/extensions/i18n/globals.js', - '../../src/extensions/i18n/locale.js', - '../../src/extensions/i18n/collator.js', - '../../src/extensions/i18n/number-format.js', - '../../src/extensions/i18n/date-format.js', - '../../src/extensions/i18n/break-iterator.js', - '../../src/extensions/i18n/i18n-utils.js', - '../../src/extensions/i18n/overrides.js', - '../../src/extensions/i18n/footer.js', - ], }, 'actions': [ { @@ -965,6 +930,7 @@ 'inputs': [ '../../tools/js2c.py', '<@(library_files)', + '<@(i18n_library_files)', ], 'outputs': [ '<(SHARED_INTERMEDIATE_DIR)/libraries.cc', @@ -975,7 +941,8 @@ '<@(_outputs)', 'CORE', '<(v8_compress_startup_data)', - '<@(library_files)' + '<@(library_files)', + '<@(i18n_library_files)', ], }, {