2 * @license RequireJS text 2.0.6 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
6 /*jslint regexp: true */
7 /*global require, XMLHttpRequest, ActiveXObject,
8 define, window, process, Packages,
9 java, location, Components, FileUtils */
11 define(['module'], function (module) {
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),
23 masterConfig = (module.config && module.config()) || {};
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.
33 content = content.replace(xmlRegExp, "");
34 var matches = content.match(bodyRegExp);
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");
55 createXhr: masterConfig.createXhr || function () {
56 //Would love to dump the ActiveX crap in here. Need IE 6 to die first.
58 if (typeof XMLHttpRequest !== "undefined") {
59 return new XMLHttpRequest();
60 } else if (typeof ActiveXObject !== "undefined") {
61 for (i = 0; i < 3; i += 1) {
64 xhr = new ActiveXObject(progId);
68 progIds = [progId]; // so faster next time
78 * Parses a resource name into its component parts. Resource names
79 * look like: module/name.ext!strip, where the !strip part is
81 * @param {String} name the resource name
82 * @returns {Object} with properties "moduleName", "ext" and "strip"
83 * where strip is a boolean.
85 parseName: function (name) {
86 var modName, ext, temp,
88 index = name.indexOf("."),
89 isRelative = name.indexOf('./') === 0 ||
90 name.indexOf('../') === 0;
92 if (index !== -1 && (!isRelative || index > 1)) {
93 modName = name.substring(0, index);
94 ext = name.substring(index + 1, name.length);
99 temp = ext || modName;
100 index = temp.indexOf("!");
102 //Pull off the strip arg.
103 strip = temp.substring(index + 1) === "strip";
104 temp = temp.substring(0, index);
119 xdRegExp: /^((\w+)\:)?\/\/([^\/\\]+)/,
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
126 * @param {String} url
129 useXhr: function (url, protocol, hostname, port) {
130 var uProtocol, uHostName, uPort,
131 match = text.xdRegExp.exec(url);
135 uProtocol = match[2];
136 uHostName = match[3];
138 uHostName = uHostName.split(':');
139 uPort = uHostName[1];
140 uHostName = uHostName[0];
142 return (!uProtocol || uProtocol === protocol) &&
143 (!uHostName || uHostName.toLowerCase() === hostname.toLowerCase()) &&
144 ((!uPort && !uHostName) || uPort === port);
147 finishLoad: function (name, strip, content, onLoad) {
148 content = strip ? text.strip(content) : content;
149 if (masterConfig.isBuild) {
150 buildMap[name] = content;
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.
163 // Do not bother with the work if a build and text will
165 if (config.isBuild && !config.inlineText) {
170 masterConfig.isBuild = config.isBuild;
172 var parsed = text.parseName(name),
173 nonStripName = parsed.moduleName +
174 (parsed.ext ? '.' + parsed.ext : ''),
175 url = req.toUrl(nonStripName),
176 useXhr = (masterConfig.useXhr) ||
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);
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);
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 '" +
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';
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);
228 textWrite.asModule = function (moduleName, contents) {
229 return write.asModule(moduleName, fileName, contents);
232 text.write(pluginName, nonStripName, textWrite, config);
237 if (masterConfig.env === 'node' || (!masterConfig.env &&
238 typeof process !== "undefined" &&
240 !!process.versions.node)) {
241 //Using special require.nodeRequire, something added by r.js.
242 fs = require.nodeRequire('fs');
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);
252 } else if (masterConfig.env === 'xhr' || (!masterConfig.env &&
254 text.get = function (url, callback, errback, headers) {
255 var xhr = text.createXhr(), header;
256 xhr.open('GET', url, true);
258 //Allow plugins direct access to xhr headers
260 for (header in headers) {
261 if (headers.hasOwnProperty(header)) {
262 xhr.setRequestHeader(header.toLowerCase(), headers[header]);
267 //Allow overrides specified in config
268 if (masterConfig.onXhr) {
269 masterConfig.onXhr(xhr, url);
272 xhr.onreadystatechange = function (evt) {
274 //Do not explicitly handle errors, those should be
275 //visible via console output in the browser.
276 if (xhr.readyState === 4) {
278 if (status > 399 && status < 600) {
279 //An http 4xx or 5xx error. Signal an error.
280 err = new Error(url + ' HTTP status: ' + status);
284 callback(xhr.responseText);
287 if (masterConfig.onXhrComplete) {
288 masterConfig.onXhrComplete(xhr, url);
294 } else if (masterConfig.env === 'rhino' || (!masterConfig.env &&
295 typeof Packages !== 'undefined' && typeof java !== 'undefined')) {
296 //Why Java, why is this so awkward?
297 text.get = function (url, callback) {
298 var stringBuffer, line,
300 file = new java.io.File(url),
301 lineSeparator = java.lang.System.getProperty("line.separator"),
302 input = new java.io.BufferedReader(new java.io.InputStreamReader(new java.io.FileInputStream(file), encoding)),
305 stringBuffer = new java.lang.StringBuffer();
306 line = input.readLine();
308 // Byte Order Mark (BOM) - The Unicode Standard, version 3.0, page 324
309 // http://www.unicode.org/faq/utf_bom.html
311 // 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:
312 // http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4508058
313 if (line && line.length() && line.charAt(0) === 0xfeff) {
314 // Eat the BOM, since we've already found the encoding on this file,
315 // and we plan to concatenating this buffer with others; the BOM should
316 // only appear at the top of a file.
317 line = line.substring(1);
320 stringBuffer.append(line);
322 while ((line = input.readLine()) !== null) {
323 stringBuffer.append(lineSeparator);
324 stringBuffer.append(line);
326 //Make sure we return a JavaScript string and not a Java string.
327 content = String(stringBuffer.toString()); //String
333 } else if (masterConfig.env === 'xpconnect' || (!masterConfig.env &&
334 typeof Components !== 'undefined' && Components.classes &&
335 Components.interfaces)) {
337 Cc = Components.classes,
338 Ci = Components.interfaces;
339 Components.utils['import']('resource://gre/modules/FileUtils.jsm');
341 text.get = function (url, callback) {
342 var inStream, convertStream,
344 fileObj = new FileUtils.File(url);
346 //XPCOM, you so crazy
348 inStream = Cc['@mozilla.org/network/file-input-stream;1']
349 .createInstance(Ci.nsIFileInputStream);
350 inStream.init(fileObj, 1, 0, false);
352 convertStream = Cc['@mozilla.org/intl/converter-input-stream;1']
353 .createInstance(Ci.nsIConverterInputStream);
354 convertStream.init(inStream, "utf-8", inStream.available(),
355 Ci.nsIConverterInputStream.DEFAULT_REPLACEMENT_CHARACTER);
357 convertStream.readString(inStream.available(), readData);
358 convertStream.close();
360 callback(readData.value);
362 throw new Error((fileObj && fileObj.path || '') + ': ' + e);