01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU
07: * General Public License Version 2 only ("GPL") or the Common Development
08: * and Distribution License("CDDL") (collectively, the "License"). You
09: * may not use this file except in compliance with the License. You can obtain
10: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
11: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
12: * language governing permissions and limitations under the License.
13: *
14: * When distributing the software, include this License Header Notice in each
15: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
16: * Sun designates this particular file as subject to the "Classpath" exception
17: * as provided by Sun in the GPL Version 2 section of the License file that
18: * accompanied this code. If applicable, add the following below the License
19: * Header, with the fields enclosed by brackets [] replaced by your own
20: * identifying information: "Portions Copyrighted [year]
21: * [name of copyright owner]"
22: *
23: * Contributor(s):
24: *
25: * If you wish your version of this file to be governed by only the CDDL or
26: * only the GPL Version 2, indicate your decision by adding "[Contributor]
27: * elects to include this software in this distribution under the [CDDL or GPL
28: * Version 2] license." If you don't indicate a single choice of license, a
29: * recipient has the option to distribute your version of this file under
30: * either the CDDL, the GPL Version 2 or to extend the choice of license to
31: * its licensees as provided above. However, if you add GPL Version 2 code
32: * and therefore, elected the GPL Version 2 license, then the option applies
33: * only if the new code is made subject to such option by the copyright
34: * holder.
35: */
36:
37: package com.sun.tools.xjc.reader.dtd;
38:
39: import java.util.List;
40:
41: import com.sun.xml.dtdparser.DTDEventListener;
42:
43: /**
44: * @author Kohsuke Kawaguchi
45: */
46: final class Occurence extends Term {
47: final Term term;
48: final boolean isOptional;
49: final boolean isRepeated;
50:
51: Occurence(Term term, boolean optional, boolean repeated) {
52: this .term = term;
53: isOptional = optional;
54: isRepeated = repeated;
55: }
56:
57: static Term wrap(Term t, int occurence) {
58: switch (occurence) {
59: case DTDEventListener.OCCURENCE_ONCE:
60: return t;
61: case DTDEventListener.OCCURENCE_ONE_OR_MORE:
62: return new Occurence(t, false, true);
63: case DTDEventListener.OCCURENCE_ZERO_OR_MORE:
64: return new Occurence(t, true, true);
65: case DTDEventListener.OCCURENCE_ZERO_OR_ONE:
66: return new Occurence(t, true, false);
67: default:
68: throw new IllegalArgumentException();
69: }
70: }
71:
72: void normalize(List<Block> r, boolean optional) {
73: if (isRepeated) {
74: Block b = new Block(isOptional || optional, true);
75: addAllElements(b);
76: r.add(b);
77: } else {
78: term.normalize(r, optional || isOptional);
79: }
80: }
81:
82: void addAllElements(Block b) {
83: term.addAllElements(b);
84: }
85:
86: boolean isOptional() {
87: return isOptional || term.isOptional();
88: }
89:
90: boolean isRepeated() {
91: return isRepeated || term.isRepeated();
92: }
93: }
|