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// 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';
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