01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: * Free SoftwareFoundation, Inc.
23: * 59 Temple Place, Suite 330
24: * Boston, MA 02111-1307 USA
25: *
26: * @author Scott Ferguson
27: */
28:
29: package com.caucho.xml;
30:
31: import java.io.IOException;
32: import java.util.ArrayList;
33:
34: /**
35: * An expression of the DTD grammar.
36: */
37: class QContentParticle {
38: ArrayList<Object> _children = new ArrayList<Object>();
39: int _separator;
40: int _repeat;
41:
42: void addChild(Object child) {
43: _children.add(child);
44: }
45:
46: /**
47: * Returns the number of children.
48: */
49: public int getChildSize() {
50: return _children.size();
51: }
52:
53: /**
54: * Returns the child specified by the index.
55: */
56: public Object getChild(int index) {
57: return _children.get(index);
58: }
59:
60: /**
61: * Sets the child specified by the index.
62: */
63: public void setChild(int index, Object child) {
64: _children.set(index, child);
65: }
66:
67: public void print(XmlPrinter os) throws IOException {
68: os.print("(");
69:
70: for (int i = 0; i < _children.size(); i++) {
71: if (i != 0) {
72: if (_separator == ',')
73: os.print(", ");
74: else {
75: os.print(" ");
76: os.print((char) _separator);
77: os.print(" ");
78: }
79: }
80:
81: Object child = _children.get(i);
82:
83: if (child instanceof QContentParticle)
84: ((QContentParticle) child).print(os);
85: else
86: os.print(String.valueOf(child));
87: }
88:
89: os.print(")");
90: if (_repeat != 0)
91: os.print((char) _repeat);
92: }
93: }
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