comparison static/js/text.js @ 60:8250c977bc50

Moved static files to the root directory.
author Ludovic Chabant <ludovic@chabant.com>
date Tue, 05 Feb 2013 14:49:34 -0800
parents wikked/static/js/text.js@9658edea3121
children
comparison
equal deleted inserted replaced
59:59ecc742ab8e 60:8250c977bc50
1 /**
2 * @license RequireJS text 2.0.4 Copyright (c) 2010-2012, The Dojo Foundation All Rights Reserved.
3 * Available via the MIT or new BSD license.
4 * see: http://github.com/requirejs/text for details
5 */
6 /*jslint regexp: true */
7 /*global require: false, XMLHttpRequest: false, ActiveXObject: false,
8 define: false, window: false, process: false, Packages: false,
9 java: false, location: false */
10
11 define(['module'], function (module) {
12 'use strict';
13
14 var text, fs,
15 progIds = ['Msxml2.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.4.0'],
16 xmlRegExp = /^\s*<\?xml(\s)+version=[\'\"](\d)*.(\d)*[\'\"](\s)*\?>/im,
17 bodyRegExp = /<body[^>]*>\s*([\s\S]+)\s*<\/body>/im,
18 hasLocation = typeof location !== 'undefined' && location.href,
19 defaultProtocol = hasLocation && location.protocol && location.protocol.replace(/\:/, ''),
20 defaultHostName = hasLocation && location.hostname,
21 defaultPort = hasLocation && (location.port || undefined),
22 buildMap = [],
23 masterConfig = (module.config && module.config()) || {};
24
25 text = {
26 version: '2.0.4',
27
28 strip: function (content) {
29 //Strips <?xml ...?> declarations so that external SVG and XML
30 //documents can be added to a document without worry. Also, if the string
31 //is an HTML document, only the part inside the body tag is returned.
32 if (content) {
33 content = content.replace(xmlRegExp, "");
34 var matches = content.match(bodyRegExp);
35 if (matches) {
36 content = matches[1];
37 }
38 } else {
39 content = "";
40 }
41 return content;
42 },
43
44 jsEscape: function (content) {
45 return content.replace(/(['\\])/g, '\\$1')
46 .replace(/[\f]/g, "\\f")
47 .replace(/[\b]/g, "\\b")
48 .replace(/[\n]/g, "\\n")
49 .replace(/[\t]/g, "\\t")
50 .replace(/[\r]/g, "\\r")
51 .replace(/[\u2028]/g, "\\u2028")
52 .replace(/[\u2029]/g, "\\u2029");
53 },
54
55 createXhr: masterConfig.createXhr || function () {
56 //Would love to dump the ActiveX crap in here. Need IE 6 to die first.
57 var xhr, i, progId;
58 if (typeof XMLHttpRequest !== "undefined") {
59 return new XMLHttpRequest();
60 } else if (typeof ActiveXObject !== "undefined") {
61 for (i = 0; i < 3; i += 1) {
62 progId = progIds[i];
63 try {
64 xhr = new ActiveXObject(progId);
65 } catch (e) {}
66
67 if (xhr) {
68 progIds = [progId]; // so faster next time
69 break;
70 }
71 }
72 }
73
74 return xhr;
75 },
76
77 /**
78 * Parses a resource name into its component parts. Resource names
79 * look like: module/name.ext!strip, where the !strip part is
80 * optional.
81 * @param {String} name the resource name
82 * @returns {Object} with properties "moduleName", "ext" and "strip"
83 * where strip is a boolean.
84 */
85 parseName: function (name) {
86 var modName, ext, temp,
87 strip = false,
88 index = name.indexOf("."),
89 isRelative = name.indexOf('./') === 0 ||
90 name.indexOf('../') === 0;
91
92 if (index !== -1 && (!isRelative || index > 1)) {
93 modName = name.substring(0, index);
94 ext = name.substring(index + 1, name.length);
95 } else {
96 modName = name;
97 }
98
99 temp = ext || modName;
100 index = temp.indexOf("!");
101 if (index !== -1) {
102 //Pull off the strip arg.
103 strip = temp.substring(index + 1) === "strip";
104 temp = temp.substring(0, index);
105 if (ext) {
106 ext = temp;
107 } else {
108 modName = temp;
109 }
110 }
111
112 return {
113 moduleName: modName,
114 ext: ext,
115 strip: strip
116 };
117 },
118
119 xdRegExp: /^((\w+)\:)?\/\/([^\/\\]+)/,
120
121 /**
122 * Is an URL on another domain. Only works for browser use, returns
123 * false in non-browser environments. Only used to know if an
124 * optimized .js version of a text resource should be loaded
125 * instead.
126 * @param {String} url
127 * @returns Boolean
128 */
129 useXhr: function (url, protocol, hostname, port) {
130 var uProtocol, uHostName, uPort,
131 match = text.xdRegExp.exec(url);
132 if (!match) {
133 return true;
134 }
135 uProtocol = match[2];
136 uHostName = match[3];
137
138 uHostName = uHostName.split(':');
139 uPort = uHostName[1];
140 uHostName = uHostName[0];
141
142 return (!uProtocol || uProtocol === protocol) &&
143 (!uHostName || uHostName.toLowerCase() === hostname.toLowerCase()) &&
144 ((!uPort && !uHostName) || uPort === port);
145 },
146
147 finishLoad: function (name, strip, content, onLoad) {
148 content = strip ? text.strip(content) : content;
149 if (masterConfig.isBuild) {
150 buildMap[name] = content;
151 }
152 onLoad(content);
153 },
154
155 load: function (name, req, onLoad, config) {
156 //Name has format: some.module.filext!strip
157 //The strip part is optional.
158 //if strip is present, then that means only get the string contents
159 //inside a body tag in an HTML string. For XML/SVG content it means
160 //removing the <?xml ...?> declarations so the content can be inserted
161 //into the current doc without problems.
162
163 // Do not bother with the work if a build and text will
164 // not be inlined.
165 if (config.isBuild && !config.inlineText) {
166 onLoad();
167 return;
168 }
169
170 masterConfig.isBuild = config.isBuild;
171
172 var parsed = text.parseName(name),
173 nonStripName = parsed.moduleName +
174 (parsed.ext ? '.' + parsed.ext : ''),
175 url = req.toUrl(nonStripName),
176 useXhr = (masterConfig.useXhr) ||
177 text.useXhr;
178
179 //Load the text. Use XHR if possible and in a browser.
180 if (!hasLocation || useXhr(url, defaultProtocol, defaultHostName, defaultPort)) {
181 text.get(url, function (content) {
182 text.finishLoad(name, parsed.strip, content, onLoad);
183 }, function (err) {
184 if (onLoad.error) {
185 onLoad.error(err);
186 }
187 });
188 } else {
189 //Need to fetch the resource across domains. Assume
190 //the resource has been optimized into a JS module. Fetch
191 //by the module name + extension, but do not include the
192 //!strip part to avoid file system issues.
193 req([nonStripName], function (content) {
194 text.finishLoad(parsed.moduleName + '.' + parsed.ext,
195 parsed.strip, content, onLoad);
196 });
197 }
198 },
199
200 write: function (pluginName, moduleName, write, config) {
201 if (buildMap.hasOwnProperty(moduleName)) {
202 var content = text.jsEscape(buildMap[moduleName]);
203 write.asModule(pluginName + "!" + moduleName,
204 "define(function () { return '" +
205 content +
206 "';});\n");
207 }
208 },
209
210 writeFile: function (pluginName, moduleName, req, write, config) {
211 var parsed = text.parseName(moduleName),
212 extPart = parsed.ext ? '.' + parsed.ext : '',
213 nonStripName = parsed.moduleName + extPart,
214 //Use a '.js' file name so that it indicates it is a
215 //script that can be loaded across domains.
216 fileName = req.toUrl(parsed.moduleName + extPart) + '.js';
217
218 //Leverage own load() method to load plugin value, but only
219 //write out values that do not have the strip argument,
220 //to avoid any potential issues with ! in file names.
221 text.load(nonStripName, req, function (value) {
222 //Use own write() method to construct full module value.
223 //But need to create shell that translates writeFile's
224 //write() to the right interface.
225 var textWrite = function (contents) {
226 return write(fileName, contents);
227 };
228 textWrite.asModule = function (moduleName, contents) {
229 return write.asModule(moduleName, fileName, contents);
230 };
231
232 text.write(pluginName, nonStripName, textWrite, config);
233 }, config);
234 }
235 };
236
237 if (masterConfig.env === 'node' || (!masterConfig.env &&
238 typeof process !== "undefined" &&
239 process.versions &&
240 !!process.versions.node)) {
241 //Using special require.nodeRequire, something added by r.js.
242 fs = require.nodeRequire('fs');
243
244 text.get = function (url, callback) {
245 var file = fs.readFileSync(url, 'utf8');
246 //Remove BOM (Byte Mark Order) from utf8 files if it is there.
247 if (file.indexOf('\uFEFF') === 0) {
248 file = file.substring(1);
249 }
250 callback(file);
251 };
252 } else if (masterConfig.env === 'xhr' || (!masterConfig.env &&
253 text.createXhr())) {
254 text.get = function (url, callback, errback) {
255 var xhr = text.createXhr();
256 xhr.open('GET', url, true);
257
258 //Allow overrides specified in config
259 if (masterConfig.onXhr) {
260 masterConfig.onXhr(xhr, url);
261 }
262
263 xhr.onreadystatechange = function (evt) {
264 var status, err;
265 //Do not explicitly handle errors, those should be
266 //visible via console output in the browser.
267 if (xhr.readyState === 4) {
268 status = xhr.status;
269 if (status > 399 && status < 600) {
270 //An http 4xx or 5xx error. Signal an error.
271 err = new Error(url + ' HTTP status: ' + status);
272 err.xhr = xhr;
273 errback(err);
274 } else {
275 callback(xhr.responseText);
276 }
277 }
278 };
279 xhr.send(null);
280 };
281 } else if (masterConfig.env === 'rhino' || (!masterConfig.env &&
282 typeof Packages !== 'undefined' && typeof java !== 'undefined')) {
283 //Why Java, why is this so awkward?
284 text.get = function (url, callback) {
285 var stringBuffer, line,
286 encoding = "utf-8",
287 file = new java.io.File(url),
288 lineSeparator = java.lang.System.getProperty("line.separator"),
289 input = new java.io.BufferedReader(new java.io.InputStreamReader(new java.io.FileInputStream(file), encoding)),
290 content = '';
291 try {
292 stringBuffer = new java.lang.StringBuffer();
293 line = input.readLine();
294
295 // Byte Order Mark (BOM) - The Unicode Standard, version 3.0, page 324
296 // http://www.unicode.org/faq/utf_bom.html
297
298 // Note that when we use utf-8, the BOM should appear as "EF BB BF", but it doesn't due to this bug in the JDK:
299 // http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4508058
300 if (line && line.length() && line.charAt(0) === 0xfeff) {
301 // Eat the BOM, since we've already found the encoding on this file,
302 // and we plan to concatenating this buffer with others; the BOM should
303 // only appear at the top of a file.
304 line = line.substring(1);
305 }
306
307 stringBuffer.append(line);
308
309 while ((line = input.readLine()) !== null) {
310 stringBuffer.append(lineSeparator);
311 stringBuffer.append(line);
312 }
313 //Make sure we return a JavaScript string and not a Java string.
314 content = String(stringBuffer.toString()); //String
315 } finally {
316 input.close();
317 }
318 callback(content);
319 };
320 }
321
322 return text;
323 });