InlineLink? _parseInlineBracketedLink()

in lib/src/inline_parser.dart [1170:1216]

• 45 lines of code
• 18 McCabe index (conditional complexity)

  InlineLink? _parseInlineBracketedLink(InlineParser parser) {
    parser.advanceBy(1);

    var buffer = StringBuffer();
    while (true) {
      var char = parser.charAt(parser.pos);
      if (char == $backslash) {
        parser.advanceBy(1);
        var next = parser.charAt(parser.pos);
        // TODO: Follow the backslash spec better here.
        // http://spec.commonmark.org/0.29/#backslash-escapes
        if (next != $backslash && next != $gt) {
          buffer.writeCharCode(char);
        }
        buffer.writeCharCode(next);
      } else if (char == $lf || char == $cr || char == $ff) {
        // Not a link (no line breaks allowed within `<...>`).
        return null;
      } else if (char == $space) {
        buffer.write('%20');
      } else if (char == $gt) {
        break;
      } else {
        buffer.writeCharCode(char);
      }
      parser.advanceBy(1);
      if (parser.isDone) return null;
    }
    var destination = buffer.toString();

    parser.advanceBy(1);
    var char = parser.charAt(parser.pos);
    if (char == $space || char == $lf || char == $cr || char == $ff) {
      var title = _parseTitle(parser);
      if (title == null && parser.charAt(parser.pos) != $rparen) {
        // This looked like an inline link, until we found this $space
        // followed by mystery characters; no longer a link.
        return null;
      }
      return InlineLink(destination, title: title);
    } else if (char == $rparen) {
      return InlineLink(destination);
    } else {
      // We parsed something like `[foo](<url>X`. Not a link.
      return null;
    }
  }