WP_HTML_Processor::step_after_after_frameset(): bool

Source

private function step_after_after_frameset(): bool {
	$tag_name   = $this->get_token_name();
	$token_type = $this->get_token_type();
	$op_sigil   = '#tag' === $token_type ? ( $this->is_tag_closer() ? '-' : '+' ) : '';
	$op         = "{$op_sigil}{$tag_name}";

	switch ( $op ) {
		/*
		 * > A comment token
		 */
		case '#comment':
		case '#funky-comment':
		case '#presumptuous-tag':
			$this->bail( 'Content outside of HTML is unsupported.' );
			break;

		/*
		 * > A DOCTYPE token
		 * > A start tag whose tag name is "html"
		 *
		 * > Process the token using the rules for the "in body" insertion mode.
		 */
		case 'html':
		case '+HTML':
			return $this->step_in_body();

		/*
		 * > A character token that is one of U+0009 CHARACTER TABULATION, U+000A LINE FEED (LF),
		 * >   U+000C FORM FEED (FF), U+000D CARRIAGE RETURN (CR), or U+0020 SPACE
		 * >
		 * > Process the token using the rules for the "in body" insertion mode.
		 *
		 * This algorithm effectively strips non-whitespace characters from text and inserts
		 * them under HTML. This is not supported at this time.
		 */
		case '#text':
			if ( parent::TEXT_IS_WHITESPACE === $this->text_node_classification ) {
				return $this->step_in_body();
			}
			$this->bail( 'Non-whitespace characters cannot be handled in after after frameset.' );
			break;

		/*
		 * > A start tag whose tag name is "noframes"
		 */
		case '+NOFRAMES':
			return $this->step_in_head();
	}

	// Parse error: ignore the token.
	return $this->step();
}

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