Tumblr Reblog Count

By cxx — Last update Feb 27, 2008 — Installed 181 times.
// ==UserScript==
// @name          Tumblr Reblog Count
// @namespace     http://cxx.tumblr.com/
// @include       http://*.tumblr.com/post/*
// @version       0.2
// ==/UserScript==

var id = Number( window.location.pathname.match(/\d+/)[0] );
var db_uri = 'http://www.tumblr.com/dashboard/2/' + (id+1);

var node = document.evaluate(
	'//div[contains(concat(" ",@class," ")," post ")]',
	document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null
).singleNodeValue;
var new_elem = document.createElement('div');
new_elem.className = 'reblog_info';
new_elem.innerHTML = 'Loading...';
node.appendChild(new_elem);

GM_xmlhttpRequest( {
	method: 'GET',
	url: db_uri,
	onload: function(res) {
		var db_doc = (new DOMParser()).parseFromString(
			res.responseText.replace(/<img([^>]*[^\/])>/gm, '<img$1/>').replace(/<noscript>(.|\n)*<\/noscript>/gm, ''),
			'application/xhtml+xml');
		var post = db_doc.getElementById('post' + id);
		if (post) {
			var divs = post.getElementsByTagName('div');
			var count = 0;
			var notes_uri;
			for (var i = 0; i < divs.length; ++i) {
				if (divs[i].className == 'reblog_info') {
					var result;
					var info = divs[i].innerHTML.replace(/<[^>]*>/gm, '').replace(/\s+/gm, ' ');
					if (!info.match(/reblogged/))
						count = Number(info.match(/and (\d+)/)[1]);
					else if (result = info.match(/and (\d+)/))
						count = Number(result[1]) + 1;
					else if (result = info.match(/(\d+) other/))
						count = Number(result[1]);
					else
						count = 1;

					var result = divs[i].innerHTML.match(/\/dashboard\/notes\/\d*\/\w*/);
					if (result)
						notes_uri = 'http://www.tumblr.com' + result[0];
				}
			}
			if (notes_uri)
				new_elem.innerHTML = '<a href="' + notes_uri + '">' + count + ' reblogged</a>';
			else
				new_elem.innerHTML = count + ' reblogged';
		}
		else {
			new_elem.innerHTML = 'You have not followed this user yet.';
		}
	}
} );