1/*
2 * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25/*
26 * Copyright (C) 2004-2011
27 *
28 * Permission is hereby granted, free of charge, to any person obtaining a copy
29 * of this software and associated documentation files (the "Software"), to deal
30 * in the Software without restriction, including without limitation the rights
31 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
32 * copies of the Software, and to permit persons to whom the Software is
33 * furnished to do so, subject to the following conditions:
34 *
35 * The above copyright notice and this permission notice shall be included in
36 * all copies or substantial portions of the Software.
37 *
38 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
39 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
40 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
41 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
42 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
43 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
44 * THE SOFTWARE.
45 */
46package com.sun.xml.internal.rngom.binary.visitor;
47
48import com.sun.xml.internal.rngom.binary.Pattern;
49import com.sun.xml.internal.rngom.nc.NameClass;
50import com.sun.xml.internal.org.relaxng.datatype.Datatype;
51
52/**
53 * Walks the pattern tree.
54 *
55 * @author
56 *      Kohsuke Kawaguchi (kk@kohsuke.org)
57 */
58public class PatternWalker implements PatternVisitor {
59    public void visitEmpty() {
60    }
61
62    public void visitNotAllowed() {
63    }
64
65    public void visitError() {
66    }
67
68    public void visitGroup(Pattern p1, Pattern p2) {
69        visitBinary(p1, p2);
70    }
71
72    protected void visitBinary(Pattern p1, Pattern p2) {
73        p1.accept(this);
74        p2.accept(this);
75    }
76
77    public void visitInterleave(Pattern p1, Pattern p2) {
78        visitBinary(p1, p2);
79    }
80
81    public void visitChoice(Pattern p1, Pattern p2) {
82        visitBinary(p1, p2);
83    }
84
85    public void visitOneOrMore(Pattern p) {
86        p.accept(this);
87    }
88
89    public void visitElement(NameClass nc, Pattern content) {
90        content.accept(this);
91    }
92
93    public void visitAttribute(NameClass ns, Pattern value) {
94        value.accept(this);
95    }
96
97    public void visitData(Datatype dt) {
98    }
99
100    public void visitDataExcept(Datatype dt, Pattern except) {
101    }
102
103    public void visitValue(Datatype dt, Object obj) {
104    }
105
106    public void visitText() {
107    }
108
109    public void visitList(Pattern p) {
110        p.accept(this);
111    }
112
113    public void visitAfter(Pattern p1, Pattern p2) {
114    }
115}
116