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/**
* @author Titus Wormer
* @copyright 2015 Titus Wormer
* @license MIT
* @module remark:parse:tokenize:html-inline
* @fileoverview Tokenise inline HTML.
*/
'use strict';
var alphabetical = require('is-alphabetical');
var locate = require('../locate/tag');
var tag = require('../util/html').tag;
module.exports = inlineHTML;
inlineHTML.locator = locate;
var EXPRESSION_HTML_LINK_OPEN = /^<a /i;
var EXPRESSION_HTML_LINK_CLOSE = /^<\/a>/i;
/* Tokenise inline HTML. */
function inlineHTML(eat, value, silent) {
var self = this;
var length = value.length;
var character;
var subvalue;
if (value.charAt(0) !== '<' || length < 3) {
return;
}
character = value.charAt(1);
if (
!alphabetical(character) &&
character !== '?' &&
character !== '!' &&
character !== '/'
) {
return;
}
subvalue = value.match(tag);
if (!subvalue) {
return;
}
/* istanbul ignore if - not used yet. */
if (silent) {
return true;
}
subvalue = subvalue[0];
if (!self.inLink && EXPRESSION_HTML_LINK_OPEN.test(subvalue)) {
self.inLink = true;
} else if (self.inLink && EXPRESSION_HTML_LINK_CLOSE.test(subvalue)) {
self.inLink = false;
}
return eat(subvalue)({type: 'html', value: subvalue});
}
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