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Text To link

把文字链接转换为可点击链接

当前为 2014-06-27 提交的版本，查看 最新版本。

  1. // Generated by IcedCoffeeScript 1.7.1-e
  2. // ==UserScript==
  3. // @name					Text To link
  4. // @description				把文字链接转换为可点击链接
  5. // @author					lkytal
  6. // @namespace				Lkytal
  7. // @homepage				http://coldfire.qiniudn.com/
  8. // @include					*
  9. // @exclude					*pan.baidu.com/*
  10. // @exclude					*renren.com/*
  11. // @exclude					*exhentai.org/*
  12. // @version					2.5.1
  13. // @icon					http://lkytal.qiniudn.com/ic.ico
  14. // @grant					unsafeWindow
  15. // @homepageURL				https://git.oschina.net/coldfire/GM
  16. // ==/UserScript==
  17.  
  18. "use strict";
  19.  
  20. if (window != window.top || window.document.title == "")
  21. 	return;
  22. var LinkPage, excludedTags, filter, linkPack, linkify, observer, setHttp, setLink, url_regexp, xpath;
  23.  
  24. url_regexp = new RegExp("((https?://|www\\.|magnet\\:\\?)[\\x21-\\x7e]+[0-9a-zA-Z]|(\\w[\\x21-\\x2e\\x30-\\x7e]+\\.(com|cn|org|net|info|tv))(/[\\x21-\\x7e]*[0-9a-zA-Z])?)", "gi");
  25.  
  26. setHttp = function(event) {
  27.   var url;
  28.   url = event.target.getAttribute("href");
  29.   if (url.indexOf("http") !== 0 && url.indexOf("magnet:?") !== 0) {
  30.     return event.target.setAttribute("href", "http://" + url);
  31.   }
  32. };
  33.  
  34. if (typeof exportFunction !== "undefined" && exportFunction !== null) {
  35.   exportFunction(setHttp, unsafeWindow, {
  36.     defineAs: "setHttp"
  37.   });
  38. } else {
  39.   unsafeWindow.setHttp = setHttp;
  40. }
  41.  
  42. setLink = function(candidate) {
  43.   var span, text;
  44.   if ((candidate == null) || candidate.nodeName === "#cdata-section") {
  45.     return;
  46.   }
  47.   text = candidate.textContent.replace(url_regexp, '<a href="$1" target="_blank" onmouseover="setHttp(event);">$1</a>');
  48.   if (candidate.textContent.length === text.length) {
  49.     return;
  50.   }
  51.   span = document.createElement("span");
  52.   span.innerHTML = text;
  53.   return candidate.parentNode.replaceChild(span, candidate);
  54. };
  55.  
  56. excludedTags = "a,applet,input,button,area,pre,embed,frame,frameset,head,iframe,img,map,meta,noscript,object,option,param,script,select,style,textarea,code".split(",");
  57.  
  58. xpath = "//text()[not(ancestor::" + excludedTags.join(') and not(ancestor::') + ")]";
  59.  
  60. filter = new RegExp("^(textarea|input|button|pre|select|option|meta|link|noscript|a|html|head|object|embed|script|style|frameset|frame|iframe|img|code)$", "i");
  61.  
  62. linkPack = function(result, start) {
  63.   var i, _i, _j, _ref, _ref1;
  64.   if (start + 10000 < result.snapshotLength) {
  65.     for (i = _i = start, _ref = start + 10000; start <= _ref ? _i <= _ref : _i >= _ref; i = start <= _ref ? ++_i : --_i) {
  66.       setLink(result.snapshotItem(i));
  67.     }
  68.     setTimeout(function() {
  69.       return linkPack(result, start + 10000);
  70.     }, 50);
  71.   } else {
  72.     for (i = _j = start, _ref1 = result.snapshotLength; start <= _ref1 ? _j <= _ref1 : _j >= _ref1; i = start <= _ref1 ? ++_j : --_j) {
  73.       setLink(result.snapshotItem(i));
  74.     }
  75.   }
  76. };
  77.  
  78. linkify = function(doc) {
  79.   var result;
  80.   result = document.evaluate(xpath, doc, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
  81.   return linkPack(result, 0);
  82. };
  83.  
  84. LinkPage = function(root) {
  85.   var tW;
  86.   tW = document.createTreeWalker(root, NodeFilter.SHOW_TEXT, {
  87.     acceptNode: function(a) {
  88.       if (!filter.test(a.parentNode.localName)) {
  89.         return NodeFilter.FILTER_ACCEPT;
  90.       }
  91.     }
  92.   }, false);
  93.   while (tW.nextNode()) {
  94.     setLink(tW.currentNode);
  95.   }
  96. };
  97.  
  98. observer = new window.MutationObserver(function(mutations) {
  99.   var Node, mutation, _i, _j, _len, _len1, _ref;
  100.   for (_i = 0, _len = mutations.length; _i < _len; _i++) {
  101.     mutation = mutations[_i];
  102.     _ref = mutation.addedNodes;
  103.     for (_j = 0, _len1 = _ref.length; _j < _len1; _j++) {
  104.       Node = _ref[_j];
  105.       LinkPage(Node);
  106.     }
  107.   }
  108. });
  109.  
  110. linkify(document.body);
  111.  
  112. observer.observe(document.body, {
  113.   childList: true,
  114.   subtree: true
  115. });