001package org.apache.maven.doxia.module.markdown;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 *   http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import org.pegdown.LinkRenderer;
023import org.pegdown.ToHtmlSerializer;
024import org.pegdown.ast.VerbatimNode;
025
026/**
027 * Custom Markdown to HTML serialization strategy that better matches the
028 * conventions of existing Doxia modules.
029 *
030 * @author Brian Ferris (bdferris@google.com)
031 */
032public class MarkdownToDoxiaHtmlSerializer
033    extends ToHtmlSerializer
034{
035    public MarkdownToDoxiaHtmlSerializer()
036    {
037        super( new LinkRenderer() );
038    }
039
040    /**
041     * {@inheritDoc}
042     */
043    @Override
044    public void visit( VerbatimNode node )
045    {
046        printer.println().print( "<div class=\"source\"><pre>" ); // better than "<pre><code>" from Pegdown
047        String text = node.getText();
048        // print HTML breaks for all initial newlines
049        while ( text.charAt( 0 ) == '\n' )
050        {
051            printer.print( "<br/>" );
052            text = text.substring( 1 );
053        }
054        printer.printEncoded( text );
055        printer.print( "</pre></div>" );
056    }
057}