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Google Search Terms Highlight

Automatically highlights search terms & full phrases in pages opened by Google search results.

当前为 2016-06-10 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Google Search Terms Highlight
  3. // @namespace    GSTH
  4. // @version      3.0
  5. // @run-at       document-start
  6. // @description  Automatically highlights search terms & full phrases in pages opened by Google search results.
  7. // @include      *
  8. // @grant        GM_getValue
  9. // @grant        GM_setValue
  10. // @require      http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js
  11. // @icon         https://www.google.ca/images/google_favicon_128.png
  12. // @author       drhouse
  13. // ==/UserScript==
  14.  
  15. $(document).ready(function () {
  16.  
  17. 	var ref = document.referrer;
  18.  
  19. 	if (location.href.toString().indexOf("https://www.google.") != -1 && ref.indexOf("https://www.google.") != -1){	
  20. 		var gsearchmark = GM_getValue("googleSearchTerm", "");
  21. 		var tokens = [].concat.apply([], gsearchmark.split('"').map(function(v,i){
  22. 			return i%2 ? v : v.split(' ');
  23. 		})).filter(Boolean);
  24. 		var oldre = /(?:^|\b)(xx)(?=\b|$)/;
  25. 		//walk(document.body, newre(oldre));
  26. 		var keys = $.map( tokens, function( value, key ) {
  27. 			function newre(e){
  28. 				return RegExp(e.toString().replace(/\//g,"").replace(/xx/g, value), "i");
  29. 			}
  30.  
  31. 			function handleText(node, targetRe) {
  32. 				var match, targetNode, followingNode, wrapper;
  33. 				match = targetRe.exec(node.nodeValue);
  34. 				if (match) {
  35. 					targetNode = node.splitText(match.index);
  36. 					followingNode = targetNode.splitText(match[0].length);
  37. 					wrapper = document.createElement('span');
  38. 					$(wrapper).css('background-color', 'yellow');
  39. 					targetNode.parentNode.insertBefore(wrapper, targetNode);
  40. 					wrapper.appendChild(targetNode);
  41.  
  42. 					if (node.nodeValue.length === 0) {
  43. 						node.parentNode.removeChild(node);
  44. 					}
  45. 					if (followingNode.nodeValue.length === 0) {
  46. 						followingNode.parentNode.removeChild(followingNode);
  47. 					}
  48. 					match = followingNode
  49. 					? targetRe.exec(followingNode.nodeValue)
  50. 					: null;
  51. 				}
  52. 			}
  53.  
  54. 			function walk(node, targetRe) {
  55. 				var child;
  56. 				switch (node.nodeType) {
  57. 					case 1: // Element
  58. 						for (child = node.firstChild;
  59. 							 child;
  60. 							 child = child.nextSibling) {
  61. 							walk(child, targetRe);
  62. 						}
  63. 						break;
  64.  
  65. 					case 3: // Text node
  66. 						handleText(node, targetRe);
  67. 						break;
  68. 				}
  69. 			}
  70. 			walk(document.body, newre(oldre));
  71. 		});
  72. 	}
  73.  
  74. 	if (location.href.toString().indexOf("https://www.google.") != -1 && location.href.toString().indexOf("/search") != -1){	
  75. 		var googleSearchTerm = $("#lst-ib").val();
  76. 		GM_setValue("googleSearchTerm", googleSearchTerm);
  77. 	}	
  78. });