blockContent.add("tr");
        blockContent.add("dl");
    }

    @Override
    public void visit(TokenVisitor visitor) {
        lexer.visit(new VisitorImpl(visitor));
    }

    private class VisitorImpl extends TokenVisitor {
        private final TokenVisitor visitor;
        private final LinkedList<String> elementStack = new LinkedList<String>();

package gradlebuild.docs.dsl.docbook;

public interface JavadocLexer {
    /**
     * Visits the tokens in the input stream for this lexer. Reads to the end of the input.
     */
    void visit(TokenVisitor visitor);

    class TokenVisitor {
        void onStartHtmlElement(String name) {
        }

        void onHtmlElementAttribute(String name, String value) {
        }

        void onStartHtmlElementComplete(String name) {

        this.scanner = scanner;
    }

    public void pushText(String rawCommentText) {
        scanner.pushText(rawCommentText);
    }

    @Override
    public void visit(TokenVisitor visitor) {
        while (!scanner.isEmpty()) {
            if (scanner.lookingAt(START_HTML_COMMENT)) {
                skipComment();
                continue;
            }

import spock.lang.Specification

class BasicJavadocLexerTest extends Specification {
    final BasicJavadocLexer lexer = new BasicJavadocLexer(new JavadocScanner(""))
    final visitor = Mock(JavadocLexer.TokenVisitor)

    def parsesHtmlElements() {
        when:
        lexer.pushText("<p> text </p>")
        lexer.visit(visitor)

        then:
        1 * visitor.onStartHtmlElement('p')

    }

    def parse(String source) {
        def lexer = new HtmlToXmlJavadocLexer(new BasicJavadocLexer(new JavadocScanner(source)))
        def result = new StringBuilder()
        lexer.visit(new JavadocLexer.TokenVisitor() {
            @Override
            void onStartHtmlElement(String name) {
                result.append("<$name")
            }

            @Override

        }

        @Override
        public List<Element> getDocbook() {
            return nodes;
        }
    }

    private static class HtmlGeneratingTokenHandler extends JavadocLexer.TokenVisitor {
        final DocBookBuilder nodes;
        final List<HtmlElementHandler> elementHandlers = new ArrayList<HtmlElementHandler>();
        final List<JavadocTagHandler> tagHandlers = new ArrayList<JavadocTagHandler>();