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Text To link

Turn plain text URLs into clickable links

当前为 2018-02-05 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name						Text To link
  3. // @description					Turn plain text URLs into clickable links
  4. // @description:zh				把文字链接转换为可点击链接
  5. // @author						lkytal
  6. // @namespace					Lkytal
  7. // @version						2.8.5
  8. // @homepage					https://lkytal.github.io/
  9. // @homepageURL					https://lkytal.github.io/coldfire/GM
  10. // @license						LGPL
  11. // @include						*
  12. // @exclude						*pan.baidu.com/*
  13. // @exclude						*renren.com/*
  14. // @exclude						*exhentai.org/*
  15. // @exclude						*music.google.com/*
  16. // @exclude						*play.google.com/music/*
  17. // @exclude						*mail.google.com/*
  18. // @exclude						*docs.google.com/*
  19. // @exclude						*www.google.*
  20. // @exclude						*acid3.acidtests.org/*
  21. // @exclude						*.163.com/*
  22. // @exclude						*.alipay.com/*
  23. // @run-at						document-end
  24. // @icon						https://github.com/lkytal/GM/raw/master/icons/link.png
  25. // @grant						unsafeWindow
  26. // @charset						UTF-8
  27. // @supportURL					https://github.com/lkytal/GM/issues
  28. // ==/UserScript==
  29.  
  30. "use strict";
  31. ;
  32. var clearLink, excludedTags, linkFilter, linkMixInit, linkPack, linkify, observePage, observer, setLink, urlPrefixes, url_regexp, xPath;
  33.  
  34. url_regexp = /((https?:\/\/|www\.)[\x21-\x7e]+[\w\/]|(\w[\w._-]+\.(com|cn|org|net|info|tv|cc|gov|edu))(\/[\x21-\x7e]*[\w\/])?|ed2k:\/\/[\x21-\x7e]+\|\/|thunder:\/\/[\x21-\x7e]+=)/gi;
  35.  
  36. urlPrefixes = ['http://', 'https://', 'ftp://', 'thunder://', 'ed2k://'];
  37.  
  38. clearLink = function (event) {
  39.   var j, len, link, prefix, ref, url;
  40.   link = (ref = event.originalTarget) != null ? ref : event.target;
  41.   if (!(link != null && link.localName === "a" && link.className.indexOf("textToLink") !== -1)) {
  42.     return;
  43.   }
  44.   url = link.getAttribute("href");
  45.   //console.log url
  46.   for (j = 0, len = urlPrefixes.length; j < len; j++) {
  47.     prefix = urlPrefixes[j];
  48.     if (url.indexOf(prefix) === 0) {
  49.       return;
  50.     }
  51.   }
  52.   return link.setAttribute("href", "http://" + url);
  53. };
  54.  
  55. document.addEventListener("mouseover", clearLink);
  56.  
  57. setLink = function (candidate) {
  58.   var span, text;
  59.   if (candidate == null || candidate.parentNode.className.indexOf("textToLink") !== -1 || candidate.nodeName === "#cdata-section") {
  60.     return;
  61.   }
  62.   text = candidate.textContent.replace(url_regexp, '<a href="$1" target="_blank" class="textToLink">$1</a>');
  63.   if (candidate.textContent.length === text.length) {
  64.     return;
  65.   }
  66.   span = document.createElement("span");
  67.   span.innerHTML = text;
  68.   return candidate.parentNode.replaceChild(span, candidate);
  69. };
  70.  
  71. excludedTags = "a,svg,canvas,applet,input,button,area,pre,embed,frame,frameset,head,iframe,img,option,map,meta,noscript,object,script,style,textarea,code".split(",");
  72.  
  73. xPath = '//text()[not(ancestor::' + excludedTags.join(') and not(ancestor::') + ')]';
  74.  
  75. linkPack = function (result, start) {
  76.   var i, j, k, ref, ref1, ref2, ref3, startTime;
  77.   startTime = Date.now();
  78.   while (start + 10000 < result.snapshotLength) {
  79.     for (i = j = ref = start, ref1 = start + 10000; undefined !== 0 && (ref <= ref1 ? ref <= j && j <= ref1 : ref >= j && j >= ref1); i = ref <= ref1 ? ++j : --j) {
  80.       setLink(result.snapshotItem(i));
  81.     }
  82.     start += 10000;
  83.     if (Date.now() - startTime > 2500) {
  84.       return;
  85.     }
  86.   }
  87.   for (i = k = ref2 = start, ref3 = result.snapshotLength; undefined !== 0 && (ref2 <= ref3 ? ref2 <= k && k <= ref3 : ref2 >= k && k >= ref3); i = ref2 <= ref3 ? ++k : --k) {
  88.     setLink(result.snapshotItem(i));
  89.   }
  90. };
  91.  
  92. linkify = function (node) {
  93.   var result;
  94.   result = document.evaluate(xPath, node, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
  95.   return linkPack(result, 0);
  96. };
  97.  
  98. linkFilter = function (node) {
  99.   var j, len, tag;
  100.   for (j = 0, len = excludedTags.length; j < len; j++) {
  101.     tag = excludedTags[j];
  102.     if (tag === node.parentNode.localName.toLowerCase()) {
  103.       return NodeFilter.FILTER_REJECT;
  104.     }
  105.   }
  106.   return NodeFilter.FILTER_ACCEPT;
  107. };
  108.  
  109. observePage = function (root) {
  110.   var tW;
  111.   tW = document.createTreeWalker(root, NodeFilter.SHOW_TEXT, { //+ NodeFilter.SHOW_ELEMENT,
  112.     acceptNode: linkFilter
  113.   }, false);
  114.   while (tW.nextNode()) {
  115.     setLink(tW.currentNode);
  116.   }
  117. };
  118.  
  119. observer = new window.MutationObserver(function (mutations) {
  120.   var Node, j, k, len, len1, mutation, ref;
  121.   for (j = 0, len = mutations.length; j < len; j++) {
  122.     mutation = mutations[j];
  123.     if (mutation.type === "childList") {
  124.       ref = mutation.addedNodes;
  125.       for (k = 0, len1 = ref.length; k < len1; k++) {
  126.         Node = ref[k];
  127.         observePage(Node);
  128.       }
  129.     }
  130.   }
  131. });
  132.  
  133. linkMixInit = function () {
  134.   if (window !== window.top || window.document.title === "") {
  135.     return;
  136.   }
  137.   //console.time('a')
  138.   linkify(document.body);
  139.   //console.timeEnd('a')
  140.   return observer.observe(document.body, {
  141.     childList: true,
  142.     subtree: true
  143.   });
  144. };
  145.  
  146. setTimeout(linkMixInit, 100);