263 lines
11 KiB
JavaScript
263 lines
11 KiB
JavaScript
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/**
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* @license RequireJS text 0.26.0 Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
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* Available via the MIT or new BSD license.
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* see: http://github.com/jrburke/requirejs for details
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*/
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/*jslint regexp: false, nomen: false, plusplus: false, strict: false */
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/*global require: false, XMLHttpRequest: false, ActiveXObject: false,
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define: false, window: false, process: false, Packages: false,
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java: false, location: false */
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(function () {
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var progIds = ['Msxml2.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.4.0'],
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xmlRegExp = /^\s*<\?xml(\s)+version=[\'\"](\d)*.(\d)*[\'\"](\s)*\?>/im,
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bodyRegExp = /<body[^>]*>\s*([\s\S]+)\s*<\/body>/im,
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hasLocation = typeof location !== 'undefined' && location.href,
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buildMap = [];
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define(function () {
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var text, get, fs;
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if (typeof window !== "undefined" && window.navigator && window.document) {
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get = function (url, callback) {
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var xhr = text.createXhr();
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xhr.open('GET', url, true);
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xhr.onreadystatechange = function (evt) {
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//Do not explicitly handle errors, those should be
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//visible via console output in the browser.
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if (xhr.readyState === 4) {
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callback(xhr.responseText);
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}
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};
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xhr.send(null);
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};
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} else if (typeof process !== "undefined" &&
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process.versions &&
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!!process.versions.node) {
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//Using special require.nodeRequire, something added by r.js.
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fs = require.nodeRequire('fs');
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get = function (url, callback) {
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callback(fs.readFileSync(url, 'utf8'));
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};
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} else if (typeof Packages !== 'undefined') {
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//Why Java, why is this so awkward?
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get = function (url, callback) {
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var encoding = "utf-8",
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file = new java.io.File(url),
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lineSeparator = java.lang.System.getProperty("line.separator"),
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input = new java.io.BufferedReader(new java.io.InputStreamReader(new java.io.FileInputStream(file), encoding)),
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stringBuffer, line,
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content = '';
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try {
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stringBuffer = new java.lang.StringBuffer();
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line = input.readLine();
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// Byte Order Mark (BOM) - The Unicode Standard, version 3.0, page 324
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// http://www.unicode.org/faq/utf_bom.html
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// 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:
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// http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4508058
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if (line && line.length() && line.charAt(0) === 0xfeff) {
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// Eat the BOM, since we've already found the encoding on this file,
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// and we plan to concatenating this buffer with others; the BOM should
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// only appear at the top of a file.
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line = line.substring(1);
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}
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stringBuffer.append(line);
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while ((line = input.readLine()) !== null) {
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stringBuffer.append(lineSeparator);
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stringBuffer.append(line);
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}
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//Make sure we return a JavaScript string and not a Java string.
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content = String(stringBuffer.toString()); //String
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} finally {
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input.close();
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}
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callback(content);
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};
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}
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text = {
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version: '0.26.0',
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strip: function (content) {
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//Strips <?xml ...?> declarations so that external SVG and XML
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//documents can be added to a document without worry. Also, if the string
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//is an HTML document, only the part inside the body tag is returned.
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if (content) {
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content = content.replace(xmlRegExp, "");
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var matches = content.match(bodyRegExp);
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if (matches) {
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content = matches[1];
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}
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} else {
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content = "";
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}
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return content;
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},
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jsEscape: function (content) {
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return content.replace(/(['\\])/g, '\\$1')
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.replace(/[\f]/g, "\\f")
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.replace(/[\b]/g, "\\b")
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.replace(/[\n]/g, "\\n")
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.replace(/[\t]/g, "\\t")
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.replace(/[\r]/g, "\\r");
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},
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createXhr: function () {
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//Would love to dump the ActiveX crap in here. Need IE 6 to die first.
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var xhr, i, progId;
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if (typeof XMLHttpRequest !== "undefined") {
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return new XMLHttpRequest();
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} else {
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for (i = 0; i < 3; i++) {
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progId = progIds[i];
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try {
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xhr = new ActiveXObject(progId);
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} catch (e) {}
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if (xhr) {
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progIds = [progId]; // so faster next time
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break;
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}
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}
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}
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if (!xhr) {
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throw new Error("createXhr(): XMLHttpRequest not available");
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}
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return xhr;
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},
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get: get,
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/**
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* Parses a resource name into its component parts. Resource names
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* look like: module/name.ext!strip, where the !strip part is
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* optional.
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* @param {String} name the resource name
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* @returns {Object} with properties "moduleName", "ext" and "strip"
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* where strip is a boolean.
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*/
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parseName: function (name) {
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var strip = false, index = name.indexOf("."),
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modName = name.substring(0, index),
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ext = name.substring(index + 1, name.length);
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index = ext.indexOf("!");
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if (index !== -1) {
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//Pull off the strip arg.
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strip = ext.substring(index + 1, ext.length);
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strip = strip === "strip";
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ext = ext.substring(0, index);
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}
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return {
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moduleName: modName,
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ext: ext,
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strip: strip
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};
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},
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xdRegExp: /^((\w+)\:)?\/\/([^\/\\]+)/,
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/**
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* Is an URL on another domain. Only works for browser use, returns
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* false in non-browser environments. Only used to know if an
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* optimized .js version of a text resource should be loaded
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* instead.
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* @param {String} url
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* @returns Boolean
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*/
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canUseXhr: function (url, protocol, hostname, port) {
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var match = text.xdRegExp.exec(url),
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uProtocol, uHostName, uPort;
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if (!match) {
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return true;
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}
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uProtocol = match[2];
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uHostName = match[3];
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uHostName = uHostName.split(':');
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uPort = uHostName[1];
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uHostName = uHostName[0];
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return (!uProtocol || uProtocol === protocol) &&
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(!uHostName || uHostName === hostname) &&
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((!uPort && !uHostName) || uPort === port);
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},
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finishLoad: function (name, strip, content, onLoad, config) {
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content = strip ? text.strip(content) : content;
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if (config.isBuild && config.inlineText) {
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buildMap[name] = content;
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}
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onLoad(content);
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},
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load: function (name, req, onLoad, config) {
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//Name has format: some.module.filext!strip
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//The strip part is optional.
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//if strip is present, then that means only get the string contents
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//inside a body tag in an HTML string. For XML/SVG content it means
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//removing the <?xml ...?> declarations so the content can be inserted
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//into the current doc without problems.
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var parsed = text.parseName(name),
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nonStripName = parsed.moduleName + '.' + parsed.ext,
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url = req.toUrl(nonStripName);
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//Load the text. Use XHR if possible and in a browser.
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if (!hasLocation || text.canUseXhr(url)) {
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text.get(url, function (content) {
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text.finishLoad(name, parsed.strip, content, onLoad, config);
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});
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} else {
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//Need to fetch the resource across domains. Assume
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//the resource has been optimized into a JS module. Fetch
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//by the module name + extension, but do not include the
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//!strip part to avoid file system issues.
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req([nonStripName], function (content) {
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text.finishLoad(parsed.moduleName + '.' + parsed.ext,
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parsed.strip, content, onLoad, config);
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});
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}
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},
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write: function (pluginName, moduleName, write, config) {
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if (moduleName in buildMap) {
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var content = text.jsEscape(buildMap[moduleName]);
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write("define('" + pluginName + "!" + moduleName +
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"', function () { return '" + content + "';});\n");
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}
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},
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writeFile: function (pluginName, moduleName, req, write, config) {
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var parsed = text.parseName(moduleName),
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nonStripName = parsed.moduleName + '.' + parsed.ext,
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//Use a '.js' file name so that it indicates it is a
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//script that can be loaded across domains.
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fileName = req.toUrl(parsed.moduleName + '.' +
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parsed.ext) + '.js';
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//Leverage own load() method to load plugin value, but only
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//write out values that do not have the strip argument,
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//to avoid any potential issues with ! in file names.
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text.load(nonStripName, req, function (value) {
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//Use own write() method to construct full module value.
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text.write(pluginName, nonStripName, function (contents) {
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write(fileName, contents);
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}, config);
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}, config);
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}
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};
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return text;
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});
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}());
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