// ==UserScript==
// @name         Google Search Terms Highlight
// @namespace    GSTH
// @version      5.0
// @description  Automatically highlights search terms & full phrases in pages opened by Google search r###lts.
// @include      *
// @grant        GM_getValue
// @grant        GM_setValue
// @require      http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js
// @require      https://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.18.2/babel.js
// @require      https://cdnjs.cloudflare.com/ajax/libs/babel-polyfill/6.16.0/polyfill.js
// @icon         https://www.google.ca/images/google_favicon_128.png
// @author       drhouse
// ==/UserScript==
$(document).ready(function () {
var ref = document.referrer;
if (location.href.toString().indexOf("https://www.google.") == -1 && ref.indexOf("https://www.google.") != -1){
var gsearchmark = GM_getValue("googleSearchTerm", "");
var tokens = [].concat.apply([], gsearchmark.split('"').map(function(v,i){
return i%2 ? v : v.split(' ');
})).filter(Boolean);
var oldre = /(?:^|\b)(xx)(?=\b|$)/;
//walk(document.body, newre(oldre));
var keys = $.map( tokens, function( value, key ) {
function newre(e){
return RegExp(e.toString().replace(/\//g,"").replace(/xx/g, value), "i");
}
function handleText(node, targetRe) {
var match, targetNode, followingNode, wrapper;
match = targetRe.exec(node.nodeValue);
if (match) {
targetNode = node.splitText(match.index);
followingNode = targetNode.splitText(match[0].length);
wrapper = document.createElement('span');
$(wrapper).css('background-color', 'yellow');
targetNode.parentNode.insertBefore(wrapper, targetNode);
wrapper.appendChild(targetNode);
if (node.nodeValue.length === 0) {
node.parentNode.removeChild(node);
}
if (followingNode.nodeValue.length === 0) {
followingNode.parentNode.removeChild(followingNode);
}
match = followingNode
? targetRe.exec(followingNode.nodeValue)
: null;
}
}
function walk(node, targetRe) {
var child;
switch (node.nodeType) {
case 1: // Element
for (child = node.firstChild;
child;
child = child.nextSibling) {
walk(child, targetRe);
}
break;
case 3: // Text node
handleText(node, targetRe);
break;
}
}
walk(document.body, newre(oldre));
});
}
if (location.href.toString().indexOf("https://www.google.") != -1 && location.href.toString().indexOf("/search") != -1){
var googleSearchTerm = $("#tsf > div:nth-child(2) > div.A8SBwf > div.RNNXgb > div > div.a4bIc > input").val();
GM_setValue("googleSearchTerm", googleSearchTerm);
}
});