engine/vendor/assets/javascripts/locomotive/aloha/lib/text.js

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/**
* @license RequireJS text 0.26.0 Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
* Available via the MIT or new BSD license.
* see: http://github.com/jrburke/requirejs for details
*/
/*jslint regexp: false, nomen: false, plusplus: false, strict: false */
/*global require: false, XMLHttpRequest: false, ActiveXObject: false,
define: false, window: false, process: false, Packages: false,
java: false, location: false */
(function () {
var 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,
buildMap = [];
define(function () {
var text, get, fs;
if (typeof window !== "undefined" && window.navigator && window.document) {
get = function (url, callback) {
var xhr = text.createXhr();
xhr.open('GET', url, true);
xhr.onreadystatechange = function (evt) {
//Do not explicitly handle errors, those should be
//visible via console output in the browser.
if (xhr.readyState === 4) {
callback(xhr.responseText);
}
};
xhr.send(null);
};
} else if (typeof process !== "undefined" &&
process.versions &&
!!process.versions.node) {
//Using special require.nodeRequire, something added by r.js.
fs = require.nodeRequire('fs');
get = function (url, callback) {
callback(fs.readFileSync(url, 'utf8'));
};
} else if (typeof Packages !== 'undefined') {
//Why Java, why is this so awkward?
get = function (url, callback) {
var 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)),
stringBuffer, line,
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);
}
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);
};
}
text = {
version: '0.26.0',
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");
},
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 {
for (i = 0; i < 3; i++) {
progId = progIds[i];
try {
xhr = new ActiveXObject(progId);
} catch (e) {}
if (xhr) {
progIds = [progId]; // so faster next time
break;
}
}
}
if (!xhr) {
throw new Error("createXhr(): XMLHttpRequest not available");
}
return xhr;
},
get: get,
/**
* 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 strip = false, index = name.indexOf("."),
modName = name.substring(0, index),
ext = name.substring(index + 1, name.length);
index = ext.indexOf("!");
if (index !== -1) {
//Pull off the strip arg.
strip = ext.substring(index + 1, ext.length);
strip = strip === "strip";
ext = ext.substring(0, index);
}
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
*/
canUseXhr: function (url, protocol, hostname, port) {
var match = text.xdRegExp.exec(url),
uProtocol, uHostName, uPort;
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 === hostname) &&
((!uPort && !uHostName) || uPort === port);
},
finishLoad: function (name, strip, content, onLoad, config) {
content = strip ? text.strip(content) : content;
if (config.isBuild && config.inlineText) {
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.
var parsed = text.parseName(name),
nonStripName = parsed.moduleName + '.' + parsed.ext,
url = req.toUrl(nonStripName);
//Load the text. Use XHR if possible and in a browser.
if (!hasLocation || text.canUseXhr(url)) {
text.get(url, function (content) {
text.finishLoad(name, parsed.strip, content, onLoad, config);
});
} 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, config);
});
}
},
write: function (pluginName, moduleName, write, config) {
if (moduleName in buildMap) {
var content = text.jsEscape(buildMap[moduleName]);
write("define('" + pluginName + "!" + moduleName +
"', function () { return '" + content + "';});\n");
}
},
writeFile: function (pluginName, moduleName, req, write, config) {
var parsed = text.parseName(moduleName),
nonStripName = parsed.moduleName + '.' + parsed.ext,
//Use a '.js' file name so that it indicates it is a
//script that can be loaded across domains.
fileName = req.toUrl(parsed.moduleName + '.' +
parsed.ext) + '.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.
text.write(pluginName, nonStripName, function (contents) {
write(fileName, contents);
}, config);
}, config);
}
};
return text;
});
}());