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// Process autolinks '<protocol:...>'
'use strict';
/*eslint max-len:0*/
var EMAIL_RE = /^([a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)$/;
var AUTOLINK_RE = /^([a-zA-Z][a-zA-Z0-9+.\-]{1,31}):([^<>\x00-\x20]*)$/;
module.exports = function autolink(state, silent) {
var url, fullUrl, token, ch, start, max,
pos = state.pos;
if (state.src.charCodeAt(pos) !== 0x3C/* < */) { return false; }
start = state.pos;
max = state.posMax;
for (;;) {
if (++pos >= max) return false;
ch = state.src.charCodeAt(pos);
if (ch === 0x3C /* < */) return false;
if (ch === 0x3E /* > */) break;
}
url = state.src.slice(start + 1, pos);
if (AUTOLINK_RE.test(url)) {
fullUrl = state.md.normalizeLink(url);
if (!state.md.validateLink(fullUrl)) { return false; }
if (!silent) {
token = state.push('link_open', 'a', 1);
token.attrs = [ [ 'href', fullUrl ] ];
token.markup = 'autolink';
token.info = 'auto';
token = state.push('text', '', 0);
token.content = state.md.normalizeLinkText(url);
token = state.push('link_close', 'a', -1);
token.markup = 'autolink';
token.info = 'auto';
}
state.pos += url.length + 2;
return true;
}
if (EMAIL_RE.test(url)) {
fullUrl = state.md.normalizeLink('mailto:' + url);
if (!state.md.validateLink(fullUrl)) { return false; }
if (!silent) {
token = state.push('link_open', 'a', 1);
token.attrs = [ [ 'href', fullUrl ] ];
token.markup = 'autolink';
token.info = 'auto';
token = state.push('text', '', 0);
token.content = state.md.normalizeLinkText(url);
token = state.push('link_close', 'a', -1);
token.markup = 'autolink';
token.info = 'auto';
}
state.pos += url.length + 2;
return true;
}
return false;
};
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