1 /*
2 * Portions of this software was developed by employees of the National Institute
3 * of Standards and Technology (NIST), an agency of the Federal Government and is
4 * being made available as a public service. Pursuant to title 17 United States
5 * Code Section 105, works of NIST employees are not subject to copyright
6 * protection in the United States. This software may be subject to foreign
7 * copyright. Permission in the United States and in foreign countries, to the
8 * extent that NIST may hold copyright, to use, copy, modify, create derivative
9 * works, and distribute this software and its documentation without fee is hereby
10 * granted on a non-exclusive basis, provided that this notice and disclaimer
11 * of warranty appears in all copies.
12 *
13 * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
14 * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
15 * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
17 * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
18 * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE. IN NO EVENT
19 * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
20 * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
21 * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
22 * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
23 * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
24 * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
25 */
26
27 package gov.nist.secauto.metaschema.core.datatype.markup.flexmark;
28
29 import com.vladsch.flexmark.util.ast.Node;
30 import com.vladsch.flexmark.util.ast.NodeVisitorBase;
31
32 import gov.nist.secauto.metaschema.core.datatype.markup.IMarkupString;
33 import gov.nist.secauto.metaschema.core.datatype.markup.flexmark.InsertAnchorExtension.InsertAnchorNode;
34
35 import java.util.LinkedList;
36 import java.util.List;
37 import java.util.function.Predicate;
38
39 import edu.umd.cs.findbugs.annotations.NonNull;
40
41 public class InsertVisitor
42 extends NodeVisitorBase {
43 @NonNull
44 private final List<InsertAnchorNode> inserts
45 = new LinkedList<>();
46 @NonNull
47 private final Predicate<InsertAnchorNode> filter;
48
49 public InsertVisitor(
50 @NonNull Predicate<InsertAnchorNode> filter) {
51 this.filter = filter;
52 }
53
54 public InsertVisitor processNode(@NonNull IMarkupString<?> markup) {
55 visit(markup.getDocument());
56 return this;
57 }
58
59 @Override
60 protected void visit(Node node) {
61 if (node instanceof InsertAnchorNode) {
62 InsertAnchorNode insert = (InsertAnchorNode) node;
63 if (filter.test(insert)) {
64 inserts.add((InsertAnchorNode) node);
65 }
66 } else {
67 visitChildren(node);
68 }
69 }
70
71 @NonNull
72 public List<InsertAnchorNode> getInserts() {
73 return inserts;
74 }
75 }