devsite/node_modules/markdown-it/lib/rules_inline/html_inline.js

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2024-07-08 01:49:38 +00:00
// Process html tags
'use strict';
var HTML_TAG_RE = require('../common/html_re').HTML_TAG_RE;
function isLinkOpen(str) {
return /^<a[>\s]/i.test(str);
}
function isLinkClose(str) {
return /^<\/a\s*>/i.test(str);
}
function isLetter(ch) {
/*eslint no-bitwise:0*/
var lc = ch | 0x20; // to lower case
return (lc >= 0x61/* a */) && (lc <= 0x7a/* z */);
}
module.exports = function html_inline(state, silent) {
var ch, match, max, token,
pos = state.pos;
if (!state.md.options.html) { return false; }
// Check start
max = state.posMax;
if (state.src.charCodeAt(pos) !== 0x3C/* < */ ||
pos + 2 >= max) {
return false;
}
// Quick fail on second char
ch = state.src.charCodeAt(pos + 1);
if (ch !== 0x21/* ! */ &&
ch !== 0x3F/* ? */ &&
ch !== 0x2F/* / */ &&
!isLetter(ch)) {
return false;
}
match = state.src.slice(pos).match(HTML_TAG_RE);
if (!match) { return false; }
if (!silent) {
token = state.push('html_inline', '', 0);
token.content = match[0];
if (isLinkOpen(token.content)) state.linkLevel++;
if (isLinkClose(token.content)) state.linkLevel--;
}
state.pos += match[0].length;
return true;
};