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73 lines
2.0 KiB
73 lines
2.0 KiB
// Process autolinks '<protocol:...>'
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'use strict';
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/*eslint max-len:0*/
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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])?)*)>/;
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var AUTOLINK_RE = /^<([a-zA-Z][a-zA-Z0-9+.\-]{1,31}):([^<>\x00-\x20]*)>/;
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module.exports = function autolink(state, silent) {
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var tail, linkMatch, emailMatch, url, fullUrl, token,
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pos = state.pos;
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if (state.src.charCodeAt(pos) !== 0x3C/* < */) { return false; }
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tail = state.src.slice(pos);
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if (tail.indexOf('>') < 0) { return false; }
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if (AUTOLINK_RE.test(tail)) {
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linkMatch = tail.match(AUTOLINK_RE);
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url = linkMatch[0].slice(1, -1);
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fullUrl = state.md.normalizeLink(url);
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if (!state.md.validateLink(fullUrl)) { return false; }
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if (!silent) {
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token = state.push('link_open', 'a', 1);
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token.attrs = [ [ 'href', fullUrl ] ];
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token.markup = 'autolink';
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token.info = 'auto';
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token = state.push('text', '', 0);
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token.content = state.md.normalizeLinkText(url);
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token = state.push('link_close', 'a', -1);
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token.markup = 'autolink';
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token.info = 'auto';
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}
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state.pos += linkMatch[0].length;
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return true;
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}
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if (EMAIL_RE.test(tail)) {
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emailMatch = tail.match(EMAIL_RE);
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url = emailMatch[0].slice(1, -1);
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fullUrl = state.md.normalizeLink('mailto:' + url);
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if (!state.md.validateLink(fullUrl)) { return false; }
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if (!silent) {
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token = state.push('link_open', 'a', 1);
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token.attrs = [ [ 'href', fullUrl ] ];
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token.markup = 'autolink';
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token.info = 'auto';
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token = state.push('text', '', 0);
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token.content = state.md.normalizeLinkText(url);
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token = state.push('link_close', 'a', -1);
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token.markup = 'autolink';
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token.info = 'auto';
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}
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state.pos += emailMatch[0].length;
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return true;
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}
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return false;
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};
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