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45 lines
1.6 KiB
45 lines
1.6 KiB
(function () {
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var re = /((([A-Za-z]{3,9}:(?:\/\/)?)(?:[\-;:&=\+\$,\w]+@)?[A-Za-z0-9\.\-]+|(?:www\.|[\-;:&=\+\$,\w]+@)[A-Za-z0-9\.\-]+)((?:\/[\+~%\/\.\w\-]*)?\??(?:[\-\+:=&;%@\.\w]*)#?(?:[\.\!\/\\\w]*))?)/g;
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function textNodesUnder(node) {
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var textNodes = [];
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if(typeof document.createTreeWalker === 'function') {
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// Efficient TreeWalker
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var currentNode, walker;
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walker = document.createTreeWalker(node, NodeFilter.SHOW_TEXT, null, false);
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while(currentNode = walker.nextNode()) {
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textNodes.push(currentNode);
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}
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} else {
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// Less efficient recursive function
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for(node = node.firstChild; node; node = node.nextSibling) {
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if(node.nodeType === 3) {
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textNodes.push(node);
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} else {
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textNodes = textNodes.concat(textNodesUnder(node));
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}
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}
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}
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return textNodes;
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}
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function processNode(node) {
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re.lastIndex = 0;
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var results = re.exec(node.textContent);
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if(results !== null) {
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if($(node).parents().filter('code').length === 0) {
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$(node).replaceWith(
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$('<span />').html(
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node.nodeValue.replace(re, '<a href="$1">$1</a>')
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)
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);
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}
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}
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}
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jQuery.fn.autolink = function () {
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this.each(function () {
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textNodesUnder(this).forEach(processNode);
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});
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return this;
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};
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})();
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