Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(8)

Side by Side Diff: src/extensions/i18n/break-iterator.js

Issue 23622028: Snapshot i18n Javascript code (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 3 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « src/bootstrapper.cc ('k') | src/extensions/i18n/collator.js » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
(Empty)
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 // ECMAScript 402 API implementation is broken into separate files for
30 // each service. The build system combines them together into one
31 // Intl namespace.
32
33 /**
34 * Initializes the given object so it's a valid BreakIterator instance.
35 * Useful for subclassing.
36 */
37 function initializeBreakIterator(iterator, locales, options) {
38 if (iterator.hasOwnProperty('__initializedIntlObject')) {
39 throw new TypeError('Trying to re-initialize v8BreakIterator object.');
40 }
41
42 if (options === undefined) {
43 options = {};
44 }
45
46 var getOption = getGetOption(options, 'breakiterator');
47
48 var internalOptions = {};
49
50 defineWEProperty(internalOptions, 'type', getOption(
51 'type', 'string', ['character', 'word', 'sentence', 'line'], 'word'));
52
53 var locale = resolveLocale('breakiterator', locales, options);
54 var resolved = Object.defineProperties({}, {
55 requestedLocale: {value: locale.locale, writable: true},
56 type: {value: internalOptions.type, writable: true},
57 locale: {writable: true}
58 });
59
60 var internalIterator = %CreateBreakIterator(locale.locale,
61 internalOptions,
62 resolved);
63
64 Object.defineProperty(iterator, 'iterator', {value: internalIterator});
65 Object.defineProperty(iterator, 'resolved', {value: resolved});
66 Object.defineProperty(iterator, '__initializedIntlObject',
67 {value: 'breakiterator'});
68
69 return iterator;
70 }
71
72
73 /**
74 * Constructs Intl.v8BreakIterator object given optional locales and options
75 * parameters.
76 *
77 * @constructor
78 */
79 %SetProperty(Intl, 'v8BreakIterator', function() {
80 var locales = arguments[0];
81 var options = arguments[1];
82
83 if (!this || this === Intl) {
84 // Constructor is called as a function.
85 return new Intl.v8BreakIterator(locales, options);
86 }
87
88 return initializeBreakIterator(toObject(this), locales, options);
89 },
90 ATTRIBUTES.DONT_ENUM
91 );
92
93
94 /**
95 * BreakIterator resolvedOptions method.
96 */
97 %SetProperty(Intl.v8BreakIterator.prototype, 'resolvedOptions', function() {
98 if (%_IsConstructCall()) {
99 throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
100 }
101
102 if (!this || typeof this !== 'object' ||
103 this.__initializedIntlObject !== 'breakiterator') {
104 throw new TypeError('resolvedOptions method called on a non-object or ' +
105 'on a object that is not Intl.v8BreakIterator.');
106 }
107
108 var segmenter = this;
109 var locale = getOptimalLanguageTag(segmenter.resolved.requestedLocale,
110 segmenter.resolved.locale);
111
112 return {
113 locale: locale,
114 type: segmenter.resolved.type
115 };
116 },
117 ATTRIBUTES.DONT_ENUM
118 );
119 %FunctionSetName(Intl.v8BreakIterator.prototype.resolvedOptions,
120 'resolvedOptions');
121 %FunctionRemovePrototype(Intl.v8BreakIterator.prototype.resolvedOptions);
122 %SetNativeFlag(Intl.v8BreakIterator.prototype.resolvedOptions);
123
124
125 /**
126 * Returns the subset of the given locale list for which this locale list
127 * has a matching (possibly fallback) locale. Locales appear in the same
128 * order in the returned list as in the input list.
129 * Options are optional parameter.
130 */
131 %SetProperty(Intl.v8BreakIterator, 'supportedLocalesOf', function(locales) {
132 if (%_IsConstructCall()) {
133 throw new TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
134 }
135
136 return supportedLocalesOf('breakiterator', locales, arguments[1]);
137 },
138 ATTRIBUTES.DONT_ENUM
139 );
140 %FunctionSetName(Intl.v8BreakIterator.supportedLocalesOf, 'supportedLocalesOf');
141 %FunctionRemovePrototype(Intl.v8BreakIterator.supportedLocalesOf);
142 %SetNativeFlag(Intl.v8BreakIterator.supportedLocalesOf);
143
144
145 /**
146 * Adopts text to segment using the iterator. Old text, if present,
147 * gets discarded.
148 */
149 function adoptText(iterator, text) {
150 %BreakIteratorAdoptText(iterator.iterator, String(text));
151 }
152
153
154 /**
155 * Returns index of the first break in the string and moves current pointer.
156 */
157 function first(iterator) {
158 return %BreakIteratorFirst(iterator.iterator);
159 }
160
161
162 /**
163 * Returns the index of the next break and moves the pointer.
164 */
165 function next(iterator) {
166 return %BreakIteratorNext(iterator.iterator);
167 }
168
169
170 /**
171 * Returns index of the current break.
172 */
173 function current(iterator) {
174 return %BreakIteratorCurrent(iterator.iterator);
175 }
176
177
178 /**
179 * Returns type of the current break.
180 */
181 function breakType(iterator) {
182 return %BreakIteratorBreakType(iterator.iterator);
183 }
184
185
186 addBoundMethod(Intl.v8BreakIterator, 'adoptText', adoptText, 1);
187 addBoundMethod(Intl.v8BreakIterator, 'first', first, 0);
188 addBoundMethod(Intl.v8BreakIterator, 'next', next, 0);
189 addBoundMethod(Intl.v8BreakIterator, 'current', current, 0);
190 addBoundMethod(Intl.v8BreakIterator, 'breakType', breakType, 0);
OLDNEW
« no previous file with comments | « src/bootstrapper.cc ('k') | src/extensions/i18n/collator.js » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698