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/**
* == VimperatorPlugin==
* @name appendAnchor
* @description append anchors to texts look like url.
* @author SAKAI, Kazuaki
* @version 0.03
* @minVersion 2.0pre
* @maxVersion 2.0pre
* == /VimperatorPlugin==
*/
(function(){
// settings ---
// "ACEILMPRSTXY" is result of below code.
// Array.prototype.uniq = function() this.reduceRight( function (a, b) (a[0] === b || a.unshift(b), a), []);
// [ 'TITLE', 'STYLE', 'SCRIPT', 'TEXTAREA', 'XMP', 'A', ].join('').split('').sort().uniq().join('');
const xpathQueryPlainText = '/descendant::*[not(contains(" TITLE STYLE SCRIPT TEXTAREA XMP A ", concat(" ", translate(local-name(), "aceilmprstxy", "ACEILMPRSTXY"), " ")))]/child::text()';
const regexpLikeURL = new RegExp("h?(ttps?):/+([a-zA-Z0-9][-_.!~*'()a-zA-Z0-9;/?:@&=+$,%#]+[-_~*(a-zA-Z0-9;/?@&=+$%#])");
// process global variable
if (stringToBoolean(liberator.globalVariables.auto_append_anchor, 'false')) {
let originalHintsShow = liberator.modules.hints.show;
hints.show = function () {
liberator.execute('anc');
originalHintsShow.apply(this, arguments);
};
}
// register command
liberator.modules.commands.addUserCommand(['anc'], 'append anchors to texts look like url',
function(arg, special) {
const doc = window.content.document;
const range = doc.createRange();
let nodes = liberator.modules.buffer.evaluateXPath(xpathQueryPlainText);
for (let node in nodes) {
while (node) {
range.selectNode(node)
// search string like URL
let start = range.toString().search(regexpLikeURL);
// go to next node when there is nothing look like URL in current node
if (!(start > -1)) break;
// build URL
let href = 'h' + RegExp.$1 + '://' + RegExp.$2;
// reset range
range.setStart(node, start);
range.setEnd(node, start + RegExp.lastMatch.length);
// build anchor element
let anchor = doc.createElement('a');
anchor.setAttribute('href', href);
range.surroundContents(anchor);
// insert
range.insertNode(anchor);
// iterate
node = node.nextSibling.nextSibling;
}
}
range.detach();
},{}
);
// stuff function
function stringToBoolean(str, defaultValue) {
return !str ? (defaultValue ? true : false)
: str.toLowerCase() === 'false' ? false
: /^\d+$/.test(str) ? (parseInt(str) ? true : false)
: true;
}
})();
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