001/*
002 * Portions of this software was developed by employees of the National Institute
003 * of Standards and Technology (NIST), an agency of the Federal Government and is
004 * being made available as a public service. Pursuant to title 17 United States
005 * Code Section 105, works of NIST employees are not subject to copyright
006 * protection in the United States. This software may be subject to foreign
007 * copyright. Permission in the United States and in foreign countries, to the
008 * extent that NIST may hold copyright, to use, copy, modify, create derivative
009 * works, and distribute this software and its documentation without fee is hereby
010 * granted on a non-exclusive basis, provided that this notice and disclaimer
011 * of warranty appears in all copies.
012 *
013 * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
014 * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
015 * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
016 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
017 * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
018 * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE.  IN NO EVENT
019 * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
020 * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
021 * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
022 * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
023 * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
024 * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
025 */
026
027package gov.nist.secauto.metaschema.core.datatype.markup.flexmark;
028
029import com.vladsch.flexmark.ast.Paragraph;
030import com.vladsch.flexmark.html.HtmlRenderer;
031import com.vladsch.flexmark.html.HtmlWriter;
032import com.vladsch.flexmark.html.renderer.NodeRenderer;
033import com.vladsch.flexmark.html.renderer.NodeRendererContext;
034import com.vladsch.flexmark.html.renderer.NodeRendererFactory;
035import com.vladsch.flexmark.html.renderer.NodeRenderingHandler;
036import com.vladsch.flexmark.util.data.DataHolder;
037import com.vladsch.flexmark.util.data.MutableDataHolder;
038
039import java.util.Collections;
040import java.util.Set;
041
042import edu.umd.cs.findbugs.annotations.NonNull;
043import edu.umd.cs.findbugs.annotations.Nullable;
044
045public class SuppressPTagExtension
046    implements HtmlRenderer.HtmlRendererExtension {
047
048  public static SuppressPTagExtension create() {
049    return new SuppressPTagExtension();
050  }
051
052  @Override
053  public void rendererOptions(MutableDataHolder options) {
054    // do nothing
055  }
056
057  @Override
058  public void extend(HtmlRenderer.Builder rendererBuilder, String rendererType) {
059    rendererBuilder.nodeRendererFactory(new PTagNodeRenderer.Factory());
060  }
061
062  static class PTagNodeRenderer implements NodeRenderer {
063
064    @Override
065    public @Nullable Set<NodeRenderingHandler<?>> getNodeRenderingHandlers() {
066      return Collections.singleton(
067          new NodeRenderingHandler<>(Paragraph.class, this::render));
068    }
069
070    protected void render(
071        @NonNull Paragraph node,
072        @NonNull NodeRendererContext context,
073        @SuppressWarnings("unused") @NonNull HtmlWriter html) {
074      context.renderChildren(node);
075    }
076
077    public static class Factory implements NodeRendererFactory {
078
079      @Override
080      public NodeRenderer apply(DataHolder options) {
081        return new PTagNodeRenderer();
082      }
083
084    }
085  }
086
087}