Source code: org/merlotxml/util/xml/DTDContentSpec.java
1 /*
2 ====================================================================
3 Copyright (c) 1999-2000 ChannelPoint, Inc.. All rights reserved.
4 ====================================================================
5
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions
8 are met:
9
10 1. Redistribution of source code must retain the above copyright
11 notice, this list of conditions and the following disclaimer.
12
13 2. Redistribution in binary form must reproduce the above copyright
14 notice, this list of conditions and the following disclaimer in the
15 documentation and/or other materials provided with the distribution.
16
17 3. All advertising materials mentioning features or use of this
18 software must display the following acknowledgment: "This product
19 includes software developed by ChannelPoint, Inc. for use in the
20 Merlot XML Editor (http://www.channelpoint.com/merlot/)."
21
22 4. Any names trademarked by ChannelPoint, Inc. must not be used to
23 endorse or promote products derived from this software without prior
24 written permission. For written permission, please contact
25 legal@channelpoint.com.
26
27 5. Products derived from this software may not be called "Merlot"
28 nor may "Merlot" appear in their names without prior written
29 permission of ChannelPoint, Inc.
30
31 6. Redistribution of any form whatsoever must retain the following
32 acknowledgment: "This product includes software developed by
33 ChannelPoint, Inc. for use in the Merlot XML Editor
34 (http://www.channelpoint.com/merlot/)."
35
36 THIS SOFTWARE IS PROVIDED BY CHANNELPOINT, INC. "AS IS" AND ANY EXPRESSED OR
37 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
38 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
39 EVENT SHALL CHANNELPOINT, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
40 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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45 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
46 ====================================================================
47
48 For more information on ChannelPoint, Inc. please see http://www.channelpoint.com.
49 For information on the Merlot project, please see
50 http://www.channelpoint.com/merlot.
51 */
52
53
54 // Copyright 1999 ChannelPoint, Inc., All Rights Reserved.
55
56 package org.merlotxml.util.xml;
57
58 import java.io.*;
59 import java.util.*;
60
61 /**
62 * Interface to specify a ContentSpecification
63 * <P>
64 * This is used to describe the content
65 * specification of what a DTD element can contain.
66 *<P>
67 * The types this can return are ANY, EMPTY, PCDATA, GROUP
68 * where GROUP type specs will have a tree of ContentSpecNodes
69 * describing what's in the content specification
70 *
71 * @author Kelly A. Campbell
72 * @version $Id: DTDContentSpec.java,v 1.1.1.1 2001/07/02 15:41:28 flament Exp $
73 */
74
75 public interface DTDContentSpec
76 {
77 /**
78 * Returns the type of this content specification
79 */
80 public int getType();
81
82 /**
83 * returns the root node of the spec tree or null if this doesn't
84 * apply to this type
85 */
86 public DTDContentSpecNode getRootNode();
87
88 /**
89 * returns the content spec as a XML standard string (i.e. "(el1?, e12+, (el3 | el4 | el5)*)"
90 */
91 public String toString();
92
93
94
95 }