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Issue 23304005: Snapshot i18n Javascript code (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: updates Created 7 years, 4 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are
4 // met:
5 //
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided
11 // with the distribution.
12 // * Neither the name of Google Inc. nor the names of its
13 // contributors may be used to endorse or promote products derived
14 // from this software without specific prior written permission.
15 //
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 // limitations under the License.
28
29
30 /**
31 * List of available services.
32 */
33 var AVAILABLE_SERVICES = ['collator',
34 'numberformat',
35 'dateformat',
36 'breakiterator'];
37
38 /**
39 * Caches available locales for each service.
40 */
41 var AVAILABLE_LOCALES = {
42 'collator': undefined,
43 'numberformat': undefined,
44 'dateformat': undefined,
45 'breakiterator': undefined
46 };
47
48 /**
49 * Caches default ICU locale.
50 */
51 var DEFAULT_ICU_LOCALE = undefined;
52
53 /**
54 * Unicode extension regular expression.
55 */
56 var UNICODE_EXTENSION_RE = new RegExp('-u(-[a-z0-9]{2,8})+', 'g');
57
58 /**
59 * Matches any Unicode extension.
60 */
61 var ANY_EXTENSION_RE = new RegExp('-[a-z0-9]{1}-.*', 'g');
62
63 /**
64 * Replace quoted text (single quote, anything but the quote and quote again).
65 */
66 var QUOTED_STRING_RE = new RegExp("'[^']+'", 'g');
67
68 /**
69 * Matches valid service name.
70 */
71 var SERVICE_RE =
72 new RegExp('^(collator|numberformat|dateformat|breakiterator)$');
73
74 /**
75 * Validates a language tag against bcp47 spec.
76 * Actual value is assigned on first run.
77 */
78 var LANGUAGE_TAG_RE = undefined;
79
80 /**
81 * Helps find duplicate variants in the language tag.
82 */
83 var LANGUAGE_VARIANT_RE = undefined;
84
85 /**
86 * Helps find duplicate singletons in the language tag.
87 */
88 var LANGUAGE_SINGLETON_RE = undefined;
89
90 /**
91 * Matches valid IANA time zone names.
92 */
93 var TIMEZONE_NAME_CHECK_RE =
94 new RegExp('^([A-Za-z]+)/([A-Za-z]+)(?:_([A-Za-z]+))*$');
95
96 /**
97 * Maps ICU calendar names into LDML type.
98 */
99 var ICU_CALENDAR_MAP = {
100 'gregorian': 'gregory',
101 'japanese': 'japanese',
102 'buddhist': 'buddhist',
103 'roc': 'roc',
104 'persian': 'persian',
105 'islamic-civil': 'islamicc',
106 'islamic': 'islamic',
107 'hebrew': 'hebrew',
108 'chinese': 'chinese',
109 'indian': 'indian',
110 'coptic': 'coptic',
111 'ethiopic': 'ethiopic',
112 'ethiopic-amete-alem': 'ethioaa'
113 };
114
115 /**
116 * Map of Unicode extensions to option properties, and their values and types,
117 * for a collator.
118 */
119 var COLLATOR_KEY_MAP = {
120 'kn': {'property': 'numeric', 'type': 'boolean'},
121 'kf': {'property': 'caseFirst', 'type': 'string',
122 'values': ['false', 'lower', 'upper']}
123 };
124
125 /**
126 * Map of Unicode extensions to option properties, and their values and types,
127 * for a number format.
128 */
129 var NUMBER_FORMAT_KEY_MAP = {
130 'nu': {'property': undefined, 'type': 'string'}
131 };
132
133 /**
134 * Map of Unicode extensions to option properties, and their values and types,
135 * for a date/time format.
136 */
137 var DATETIME_FORMAT_KEY_MAP = {
138 'ca': {'property': undefined, 'type': 'string'},
139 'nu': {'property': undefined, 'type': 'string'}
140 };
141
142 /**
143 * Allowed -u-co- values. List taken from:
144 * http://unicode.org/repos/cldr/trunk/common/bcp47/collation.xml
145 */
146 var ALLOWED_CO_VALUES = [
147 'big5han', 'dict', 'direct', 'ducet', 'gb2312', 'phonebk', 'phonetic',
148 'pinyin', 'reformed', 'searchjl', 'stroke', 'trad', 'unihan', 'zhuyin'
149 ];
150
151 /**
152 * Object attributes (configurable, writable, enumerable).
153 * To combine attributes, OR them.
154 * Values/names are copied from v8/include/v8.h:PropertyAttribute
155 */
156 var ATTRIBUTES = {
157 'NONE': 0,
158 'READ_ONLY': 1,
159 'DONT_ENUM': 2,
160 'DONT_DELETE': 4
161 };
162
163 /**
164 * Error message for when function object is created with new and it's not
165 * a constructor.
166 */
167 var ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR =
168 'Function object that\'s not a constructor was created with new';
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