Function HTMLParser

src/htmlparser.js:119–433

(html, handler)

}

function HTMLParser(html, handler) {
  var stack = [], lastTag;
  var attribute = attrForHandler(handler);
  var last, prevTag, nextTag;
  while (html) {
    last = html;
    // Make sure we're not in a script or style element
    if (!lastTag || !special(lastTag)) {
      var textEnd = html.indexOf('<');
      if (textEnd === 0) {
        // Comment:
        if (/^<!--/.test(html)) {
          var commentEnd = html.indexOf('-->');

          if (commentEnd >= 0) {
            if (handler.comment) {
              handler.comment(html.substring(4, commentEnd));
            }
            html = html.substring(commentEnd + 3);
            prevTag = '';
            continue;
          }
        }

        // https://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
        if (/^<!\[/.test(html)) {
          var conditionalEnd = html.indexOf(']>');

          if (conditionalEnd >= 0) {
            if (handler.comment) {
              handler.comment(html.substring(2, conditionalEnd + 1), true /* non-standard */);
            }
            html = html.substring(conditionalEnd + 2);
            prevTag = '';
            continue;
          }
        }

        // Doctype:
        var doctypeMatch = html.match(doctype);
        if (doctypeMatch) {
          if (handler.doctype) {
            handler.doctype(doctypeMatch[0]);
          }
          html = html.substring(doctypeMatch[0].length);
          prevTag = '';
          continue;
        }

        // End tag:
        var endTagMatch = html.match(endTag);
        if (endTagMatch) {
          html = html.substring(endTagMatch[0].length);
          endTagMatch[0].replace(endTag, parseEndTag);
          prevTag = '/' + endTagMatch[1].toLowerCase();
          continue;
        }