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Diffstat (limited to 'src/libs/text.js')
| -rw-r--r-- | src/libs/text.js | 408 |
1 files changed, 408 insertions, 0 deletions
diff --git a/src/libs/text.js b/src/libs/text.js new file mode 100644 index 0000000..b8370d6 --- /dev/null +++ b/src/libs/text.js @@ -0,0 +1,408 @@ +/** + * @license text 2.0.15 Copyright jQuery Foundation and other contributors. + * Released under MIT license, http://github.com/requirejs/text/LICENSE + */ +/*jslint regexp: true */ +/*global require, XMLHttpRequest, ActiveXObject, + define, window, process, Packages, + java, location, Components, FileUtils */ + +define(['module'], function (module) { + 'use strict'; + + var text, fs, Cc, Ci, xpcIsWindows, + progIds = ['Msxml2.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.4.0'], + xmlRegExp = /^\s*<\?xml(\s)+version=[\'\"](\d)*.(\d)*[\'\"](\s)*\?>/im, + bodyRegExp = /<body[^>]*>\s*([\s\S]+)\s*<\/body>/im, + hasLocation = typeof location !== 'undefined' && location.href, + defaultProtocol = hasLocation && location.protocol && location.protocol.replace(/\:/, ''), + defaultHostName = hasLocation && location.hostname, + defaultPort = hasLocation && (location.port || undefined), + buildMap = {}, + masterConfig = (module.config && module.config()) || {}; + + function useDefault(value, defaultValue) { + return value === undefined || value === '' ? defaultValue : value; + } + + //Allow for default ports for http and https. + function isSamePort(protocol1, port1, protocol2, port2) { + if (port1 === port2) { + return true; + } else if (protocol1 === protocol2) { + if (protocol1 === 'http') { + return useDefault(port1, '80') === useDefault(port2, '80'); + } else if (protocol1 === 'https') { + return useDefault(port1, '443') === useDefault(port2, '443'); + } + } + return false; + } + + text = { + version: '2.0.15', + + strip: function (content) { + //Strips <?xml ...?> declarations so that external SVG and XML + //documents can be added to a document without worry. Also, if the string + //is an HTML document, only the part inside the body tag is returned. + if (content) { + content = content.replace(xmlRegExp, ""); + var matches = content.match(bodyRegExp); + if (matches) { + content = matches[1]; + } + } else { + content = ""; + } + return content; + }, + + jsEscape: function (content) { + return content.replace(/(['\\])/g, '\\$1') + .replace(/[\f]/g, "\\f") + .replace(/[\b]/g, "\\b") + .replace(/[\n]/g, "\\n") + .replace(/[\t]/g, "\\t") + .replace(/[\r]/g, "\\r") + .replace(/[\u2028]/g, "\\u2028") + .replace(/[\u2029]/g, "\\u2029"); + }, + + createXhr: masterConfig.createXhr || function () { + //Would love to dump the ActiveX crap in here. Need IE 6 to die first. + var xhr, i, progId; + if (typeof XMLHttpRequest !== "undefined") { + return new XMLHttpRequest(); + } else if (typeof ActiveXObject !== "undefined") { + for (i = 0; i < 3; i += 1) { + progId = progIds[i]; + try { + xhr = new ActiveXObject(progId); + } catch (e) {} + + if (xhr) { + progIds = [progId]; // so faster next time + break; + } + } + } + + return xhr; + }, + + /** + * Parses a resource name into its component parts. Resource names + * look like: module/name.ext!strip, where the !strip part is + * optional. + * @param {String} name the resource name + * @returns {Object} with properties "moduleName", "ext" and "strip" + * where strip is a boolean. + */ + parseName: function (name) { + var modName, ext, temp, + strip = false, + index = name.lastIndexOf("."), + isRelative = name.indexOf('./') === 0 || + name.indexOf('../') === 0; + + if (index !== -1 && (!isRelative || index > 1)) { + modName = name.substring(0, index); + ext = name.substring(index + 1); + } else { + modName = name; + } + + temp = ext || modName; + index = temp.indexOf("!"); + if (index !== -1) { + //Pull off the strip arg. + strip = temp.substring(index + 1) === "strip"; + temp = temp.substring(0, index); + if (ext) { + ext = temp; + } else { + modName = temp; + } + } + + return { + moduleName: modName, + ext: ext, + strip: strip + }; + }, + + xdRegExp: /^((\w+)\:)?\/\/([^\/\\]+)/, + + /** + * Is an URL on another domain. Only works for browser use, returns + * false in non-browser environments. Only used to know if an + * optimized .js version of a text resource should be loaded + * instead. + * @param {String} url + * @returns Boolean + */ + useXhr: function (url, protocol, hostname, port) { + var uProtocol, uHostName, uPort, + match = text.xdRegExp.exec(url); + if (!match) { + return true; + } + uProtocol = match[2]; + uHostName = match[3]; + + uHostName = uHostName.split(':'); + uPort = uHostName[1]; + uHostName = uHostName[0]; + + return (!uProtocol || uProtocol === protocol) && + (!uHostName || uHostName.toLowerCase() === hostname.toLowerCase()) && + ((!uPort && !uHostName) || isSamePort(uProtocol, uPort, protocol, port)); + }, + + finishLoad: function (name, strip, content, onLoad) { + content = strip ? text.strip(content) : content; + if (masterConfig.isBuild) { + buildMap[name] = content; + } + onLoad(content); + }, + + load: function (name, req, onLoad, config) { + //Name has format: some.module.filext!strip + //The strip part is optional. + //if strip is present, then that means only get the string contents + //inside a body tag in an HTML string. For XML/SVG content it means + //removing the <?xml ...?> declarations so the content can be inserted + //into the current doc without problems. + + // Do not bother with the work if a build and text will + // not be inlined. + if (config && config.isBuild && !config.inlineText) { + onLoad(); + return; + } + + masterConfig.isBuild = config && config.isBuild; + + var parsed = text.parseName(name), + nonStripName = parsed.moduleName + + (parsed.ext ? '.' + parsed.ext : ''), + url = req.toUrl(nonStripName), + useXhr = (masterConfig.useXhr) || + text.useXhr; + + // Do not load if it is an empty: url + if (url.indexOf('empty:') === 0) { + onLoad(); + return; + } + + //Load the text. Use XHR if possible and in a browser. + if (!hasLocation || useXhr(url, defaultProtocol, defaultHostName, defaultPort)) { + text.get(url, function (content) { + text.finishLoad(name, parsed.strip, content, onLoad); + }, function (err) { + if (onLoad.error) { + onLoad.error(err); + } + }); + } else { + //Need to fetch the resource across domains. Assume + //the resource has been optimized into a JS module. Fetch + //by the module name + extension, but do not include the + //!strip part to avoid file system issues. + req([nonStripName], function (content) { + text.finishLoad(parsed.moduleName + '.' + parsed.ext, + parsed.strip, content, onLoad); + }); + } + }, + + write: function (pluginName, moduleName, write, config) { + if (buildMap.hasOwnProperty(moduleName)) { + var content = text.jsEscape(buildMap[moduleName]); + write.asModule(pluginName + "!" + moduleName, + "define(function () { return '" + + content + + "';});\n"); + } + }, + + writeFile: function (pluginName, moduleName, req, write, config) { + var parsed = text.parseName(moduleName), + extPart = parsed.ext ? '.' + parsed.ext : '', + nonStripName = parsed.moduleName + extPart, + //Use a '.js' file name so that it indicates it is a + //script that can be loaded across domains. + fileName = req.toUrl(parsed.moduleName + extPart) + '.js'; + + //Leverage own load() method to load plugin value, but only + //write out values that do not have the strip argument, + //to avoid any potential issues with ! in file names. + text.load(nonStripName, req, function (value) { + //Use own write() method to construct full module value. + //But need to create shell that translates writeFile's + //write() to the right interface. + var textWrite = function (contents) { + return write(fileName, contents); + }; + textWrite.asModule = function (moduleName, contents) { + return write.asModule(moduleName, fileName, contents); + }; + + text.write(pluginName, nonStripName, textWrite, config); + }, config); + } + }; + + if (masterConfig.env === 'node' || (!masterConfig.env && + typeof process !== "undefined" && + process.versions && + !!process.versions.node && + !process.versions['node-webkit'] && + !process.versions['atom-shell'])) { + //Using special require.nodeRequire, something added by r.js. + fs = require.nodeRequire('fs'); + + text.get = function (url, callback, errback) { + try { + var file = fs.readFileSync(url, 'utf8'); + //Remove BOM (Byte Mark Order) from utf8 files if it is there. + if (file[0] === '\uFEFF') { + file = file.substring(1); + } + callback(file); + } catch (e) { + if (errback) { + errback(e); + } + } + }; + } else if (masterConfig.env === 'xhr' || (!masterConfig.env && + text.createXhr())) { + text.get = function (url, callback, errback, headers) { + var xhr = text.createXhr(), header; + xhr.open('GET', url, true); + + //Allow plugins direct access to xhr headers + if (headers) { + for (header in headers) { + if (headers.hasOwnProperty(header)) { + xhr.setRequestHeader(header.toLowerCase(), headers[header]); + } + } + } + + //Allow overrides specified in config + if (masterConfig.onXhr) { + masterConfig.onXhr(xhr, url); + } + + xhr.onreadystatechange = function (evt) { + var status, err; + //Do not explicitly handle errors, those should be + //visible via console output in the browser. + if (xhr.readyState === 4) { + status = xhr.status || 0; + if (status > 399 && status < 600) { + //An http 4xx or 5xx error. Signal an error. + err = new Error(url + ' HTTP status: ' + status); + err.xhr = xhr; + if (errback) { + errback(err); + } + } else { + callback(xhr.responseText); + } + + if (masterConfig.onXhrComplete) { + masterConfig.onXhrComplete(xhr, url); + } + } + }; + xhr.send(null); + }; + } else if (masterConfig.env === 'rhino' || (!masterConfig.env && + typeof Packages !== 'undefined' && typeof java !== 'undefined')) { + //Why Java, why is this so awkward? + text.get = function (url, callback) { + var stringBuffer, line, + encoding = "utf-8", + file = new java.io.File(url), + lineSeparator = java.lang.System.getProperty("line.separator"), + input = new java.io.BufferedReader(new java.io.InputStreamReader(new java.io.FileInputStream(file), encoding)), + content = ''; + try { + stringBuffer = new java.lang.StringBuffer(); + line = input.readLine(); + + // Byte Order Mark (BOM) - The Unicode Standard, version 3.0, page 324 + // http://www.unicode.org/faq/utf_bom.html + + // 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: + // http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4508058 + if (line && line.length() && line.charAt(0) === 0xfeff) { + // Eat the BOM, since we've already found the encoding on this file, + // and we plan to concatenating this buffer with others; the BOM should + // only appear at the top of a file. + line = line.substring(1); + } + + if (line !== null) { + stringBuffer.append(line); + } + + while ((line = input.readLine()) !== null) { + stringBuffer.append(lineSeparator); + stringBuffer.append(line); + } + //Make sure we return a JavaScript string and not a Java string. + content = String(stringBuffer.toString()); //String + } finally { + input.close(); + } + callback(content); + }; + } else if (masterConfig.env === 'xpconnect' || (!masterConfig.env && + typeof Components !== 'undefined' && Components.classes && + Components.interfaces)) { + //Avert your gaze! + Cc = Components.classes; + Ci = Components.interfaces; + Components.utils['import']('resource://gre/modules/FileUtils.jsm'); + xpcIsWindows = ('@mozilla.org/windows-registry-key;1' in Cc); + + text.get = function (url, callback) { + var inStream, convertStream, fileObj, + readData = {}; + + if (xpcIsWindows) { + url = url.replace(/\//g, '\\'); + } + + fileObj = new FileUtils.File(url); + + //XPCOM, you so crazy + try { + inStream = Cc['@mozilla.org/network/file-input-stream;1'] + .createInstance(Ci.nsIFileInputStream); + inStream.init(fileObj, 1, 0, false); + + convertStream = Cc['@mozilla.org/intl/converter-input-stream;1'] + .createInstance(Ci.nsIConverterInputStream); + convertStream.init(inStream, "utf-8", inStream.available(), + Ci.nsIConverterInputStream.DEFAULT_REPLACEMENT_CHARACTER); + + convertStream.readString(inStream.available(), readData); + convertStream.close(); + inStream.close(); + callback(readData.value); + } catch (e) { + throw new Error((fileObj && fileObj.path || '') + ': ' + e); + } + }; + } + return text; +}); |