EncodeAndDecodeXML.js

[jnbdz]

/*

---
description: Two useful methods for stings to encode and decode html/xml elements

authors:
  - Jean-Nicolas Boulay Desjardins (http://jean-nicolas.name)

license:
  - MIT-style license

requires:
 - core/1.3:   '*'

provides:
  - encodeXML
  - decodeXML
...
*/

String.implement({
encodeXML: function(){  
    var xml_to_escaped = {
        '&': '&',
        '"': '"',
        '<': '&lt;',
        '>': '&gt;'
    };
    return String(this).replace(/([\&"<>])/g, function(str, item) {
        return xml_to_escaped[item];
    });
},
decodeXML: function(){
    var escaped_to_xml = {
        '&amp;': '&',
        '&quot;': '"',
        '&lt;': '<',
        '&gt;': '>'
    };        
    return String(this).replace(/(&quot;|&lt;|&gt;|&amp;)/g, function(str, item) {
        return escaped_to_xml[item];
    });
}
});