googlechromereleases.user.js

// ==UserScript==
// @name           googlechromereleases.blogspot.com
// @description    Google Chromeのバージョン表記からダウンロードリンクを作る
// @namespace      http://ss-o.net/
// @include        http://googlechromereleases.blogspot.com/*
// @require        http://gist.github.com/184276.txt
// ==/UserScript==
(function () {
    var TEXT = 'descendant::text()[contains(self::text(),".") and not(ancestor::' + ['a', 'textarea', 'script', 'style', 'head'].join(' or ancestor::') + ')]';
    var exp = /\d+\.\d+\.(\d+\.\d+)/;
    linker(document.body);
    document.body.addEventListener('DOMNodeInserted', nodeListener, false);

    function linker(doc) {
        var nodes = $X(TEXT, doc);
        if (nodes && nodes.length) {
            nodes.forEach(function (txt) {
                if (exp.test(txt.nodeValue)) {
                    var text = txt.nodeValue,
                        index;
                    var parent = txt.parentNode;
                    while (text && (index = text.search(exp)) >= 0) {
                            var _txt = txt.splitText(index);
                            var keyword = _txt.nodeValue.match(exp);
                            var keywordLength = keyword[0].length;
                            var __txt = _txt.splitText(keywordLength);
                            var a = document.createElement('a');
                            a.href = 'http://dl.google.com/chrome/install/' + keyword[1] + '/chrome_installer.exe';
                            a.appendChild(_txt);
                            parent.insertBefore(a, __txt);
                            text = __txt.nodeValue;
                            txt = __txt;
                        }
                }
            });
        }
    }

    function nodeListener(evt) {
        document.body.removeEventListener('DOMNodeInserted', nodeListener, false);
        setTimeout(function () {
            linker(document.body);
            document.body.addEventListener('DOMNodeInserted', nodeListener, false);
        }, 1000);
    }
})();