decode_hitode909.user.js

// ==UserScript==
// @name           decode hitode909
// @namespace      http://d.hatena.ne.jp/send/
// @description    twitter filter
// @include        http://twitter.com/*
// @include        http://mobile.twitter.com/*
// ==/UserScript==
//
(function (){

function decode_hitode909 (elem) {
    unsafeWindow.console.log(elem.childNodes.length);
    for (var i=0; i<elem.childNodes.length; i++) {
        var e = elem.childNodes[i];
        
        if (e.nodeName == "#text") {
            var count = [];
            var lastchar = null;
            var charnum = 0;
            var s = e.textContent;
            
            for (var j=0;j<s.length;j++) {
                var c = s.charAt(j);
                if (lastchar != c) {
                    if (lastchar != null) {
                        count.push({
                            num: charnum,
                            char: lastchar,
                        });
                    }
                    charnum = 1;
                    lastchar = c;
                }
                else {
                    charnum++;
                }
            }
            count.push({
                num: charnum,
                char: lastchar,
            });
            
            var freq = {0:0};
            var m = 0;
            count.map(function(item){return item.num}).sort().forEach(
                function (num) {
                    if (!freq[num]) freq[num] = 0;
                    freq[num]++;
                    if (freq[num] > freq[m]) {
                        m = num;
                    }
                }
            )
            
            var result = count.map(function(item){
                var result = '';
                var num = Math.floor(item.num / m);
                if (num < 1) num = 1;
                for (var i=0;i<num;i++) {
                    result += item.char;
                }
                return result;
            }).join('');
            unsafeWindow.console.log(count, freq, e.textContent, result);
            
            e.textContent = result;
        }
        else {
            decode_hitode909(e);
        }
    }
    
    
}

var filter = function(node) {
  var f = {
    anouncement : function (context){
      var path = './/span[@class="entry-content"] | .//span[@class="status"]';
      var elems = document.evaluate(path, context, null, 7, null);
      for (var e = 0 ; e < elems.snapshotLength; e++) {
        decode_hitode909(elems.snapshotItem(e));
      }
    },
  };
  for (var func in f) f[func](node);
}

filter(document);
document.getElementById('timeline').addEventListener('DOMNodeInserted', function(event) {
    filter(event.target);
}, false);

})();
//.user.js