77 lines
1.9 KiB
JavaScript
77 lines
1.9 KiB
JavaScript
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// 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 url, fullUrl, token, ch, start, max,
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pos = state.pos;
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if (state.src.charCodeAt(pos) !== 0x3C/* < */) { return false; }
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start = state.pos;
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max = state.posMax;
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for (;;) {
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if (++pos >= max) return false;
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ch = state.src.charCodeAt(pos);
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if (ch === 0x3C /* < */) return false;
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if (ch === 0x3E /* > */) break;
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}
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url = state.src.slice(start + 1, pos);
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if (AUTOLINK_RE.test(url)) {
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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 += url.length + 2;
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return true;
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}
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if (EMAIL_RE.test(url)) {
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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 += url.length + 2;
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return true;
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}
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return false;
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};
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