mirror of
https://github.com/overleaf/overleaf.git
synced 2024-12-04 21:24:50 -05:00
373 lines
15 KiB
JavaScript
373 lines
15 KiB
JavaScript
/**
|
|
* @license RequireJS text 2.0.7 Copyright (c) 2010-2012, The Dojo Foundation All Rights Reserved.
|
|
* Available via the MIT or new BSD license.
|
|
* see: http://github.com/requirejs/text for details
|
|
*/
|
|
/*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,
|
|
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()) || {};
|
|
|
|
text = {
|
|
version: '2.0.7',
|
|
|
|
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.indexOf("."),
|
|
isRelative = name.indexOf('./') === 0 ||
|
|
name.indexOf('../') === 0;
|
|
|
|
if (index !== -1 && (!isRelative || index > 1)) {
|
|
modName = name.substring(0, index);
|
|
ext = name.substring(index + 1, name.length);
|
|
} 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) || uPort === 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.isBuild && !config.inlineText) {
|
|
onLoad();
|
|
return;
|
|
}
|
|
|
|
masterConfig.isBuild = config.isBuild;
|
|
|
|
var parsed = text.parseName(name),
|
|
nonStripName = parsed.moduleName +
|
|
(parsed.ext ? '.' + parsed.ext : ''),
|
|
url = req.toUrl(nonStripName),
|
|
useXhr = (masterConfig.useXhr) ||
|
|
text.useXhr;
|
|
|
|
//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)) {
|
|
//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.indexOf('\uFEFF') === 0) {
|
|
file = file.substring(1);
|
|
}
|
|
callback(file);
|
|
} catch (e) {
|
|
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;
|
|
if (status > 399 && status < 600) {
|
|
//An http 4xx or 5xx error. Signal an error.
|
|
err = new Error(url + ' HTTP status: ' + status);
|
|
err.xhr = xhr;
|
|
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');
|
|
|
|
text.get = function (url, callback) {
|
|
var inStream, convertStream,
|
|
readData = {},
|
|
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;
|
|
});
|