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/**
* == VimperatorPlugin==
* @name appendAnchor
* @description append anchors to texts look like url.
* @author SAKAI, Kazuaki
* @version 0.01
* == VimperatorPlugin==
*/
(function(){
liberator.commands.addUserCommand(['anc'], 'append anchors to texts look like url',
function(arg, special) {
var doc = window.content.document;
var nodes = liberator.buffer.evaluateXPath(
'/descendant::*[not(contains(" TITLE STYLE SCRIPT TEXTAREA XMP A ", concat(" ", local-name(), " ")))]/child::text()'
);
var regex = new RegExp("h?(ttps?):/+([a-zA-Z0-9][-_.!~*'()a-zA-Z0-9;/?:@&=+$,%#]+)");
var range = doc.createRange();
var last;
for (var i = 0; i < nodes.snapshotLength; i++) {
var node = nodes.snapshotItem(i);
range.selectNode(node);
while (node && (last = range.toString().search(regex)) > -1) {
range.setStart(node, last);
range.setEnd(node, last + RegExp.lastMatch.length);
var anchor = doc.createElement('a');
var href = 'h' + RegExp.$1 + '://' + RegExp.$2;
range.insertNode(anchor);
anchor.setAttribute('href', href);
range.surroundContents(anchor);
node = node.nextSibling.nextSibling;
range.selectNode(node);
}
}
range.detach();
},{}
);
})();
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