// ==UserScript==
// @name           irc.n0i.net cleanup
// @version        0.1
// @description    Remove IRC logs censorship
// @namespace      http://altblue.com/
// @author         Marius Feraru
// @include        http://irc.n0i.net/*
// ==/UserScript==

/*
 * $Id: irc.n0i.net.cleanup.user.js,v 1.2 2007/12/19 08:42:28 altblue Exp $
 *
 * $Log: irc.n0i.net.cleanup.user.js,v $
 * Revision 1.2  2007/12/19 08:42:28  altblue
 * added CVS keywords
 *
 *
 */

/*
    This implementation is a ripp-off from "Geocaching Decrypt" by "Paul Downey"
*/
function rot13(src) {
    var dst = new String('');
    var b;
    var t = new String('');
    var clear = 0;
    for (var ctr = 0; ctr < src.length; ctr++) {
        b = src.charCodeAt(ctr);
        if (60 == b || 91 == b) { 
            clear  = 1;
        }
        if (!clear) {
            if (((b>64) && (b<78)) || ((b>96) && (b<110))) { 
                b = b + 13;
            } else { 
                if (((b>77) && (b<91)) || ((b>109) && (b<123))) {
                    b = b - 13;
                }
            }
        }
        t = String.fromCharCode(b);
        dst = dst.concat(t);
        if (b == 62 || b == 93) {
            clear = 0;
        }
    }
    return dst;
};

(
    function() {
        var spans = document.body.getElementsByTagName('span');
        var hasClassName = /(?:^|\s)censored(?:\s|$)/;
        if (spans && spans.length > 0) {
            for (var j=0; j < spans.length; j++) {
                if (spans[j].className && spans[j].className.match(hasClassName)) {
                    spans[j].innerHTML = rot13(spans[j].innerHTML);
                    spans[j].className = spans[j].className.replace(hasClassName, ' ');
                }
            }
        }
    }
)();