59 lines
1.2 KiB
JavaScript
59 lines
1.2 KiB
JavaScript
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// Process html tags
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'use strict';
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var HTML_TAG_RE = require('../common/html_re').HTML_TAG_RE;
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function isLinkOpen(str) {
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return /^<a[>\s]/i.test(str);
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}
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function isLinkClose(str) {
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return /^<\/a\s*>/i.test(str);
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}
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function isLetter(ch) {
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/*eslint no-bitwise:0*/
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var lc = ch | 0x20; // to lower case
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return (lc >= 0x61/* a */) && (lc <= 0x7a/* z */);
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}
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module.exports = function html_inline(state, silent) {
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var ch, match, max, token,
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pos = state.pos;
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if (!state.md.options.html) { return false; }
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// Check start
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max = state.posMax;
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if (state.src.charCodeAt(pos) !== 0x3C/* < */ ||
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pos + 2 >= max) {
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return false;
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}
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// Quick fail on second char
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ch = state.src.charCodeAt(pos + 1);
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if (ch !== 0x21/* ! */ &&
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ch !== 0x3F/* ? */ &&
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ch !== 0x2F/* / */ &&
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!isLetter(ch)) {
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return false;
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}
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match = state.src.slice(pos).match(HTML_TAG_RE);
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if (!match) { return false; }
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if (!silent) {
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token = state.push('html_inline', '', 0);
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token.content = match[0];
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if (isLinkOpen(token.content)) state.linkLevel++;
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if (isLinkClose(token.content)) state.linkLevel--;
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}
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state.pos += match[0].length;
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return true;
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};
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