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Diffstat (limited to 'deps/v8/src/extensions/i18n/collator.js')
-rw-r--r-- | deps/v8/src/extensions/i18n/collator.js | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/deps/v8/src/extensions/i18n/collator.js b/deps/v8/src/extensions/i18n/collator.js deleted file mode 100644 index d8d247b36f..0000000000 --- a/deps/v8/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); |