| 1 | /*
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| 2 | * The Apache Software License, Version 1.1
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| 3 | *
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| 4 | * Copyright (c) 1999-2001 The Apache Software Foundation. All rights
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| 5 | * reserved.
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| 6 | *
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| 7 | * Redistribution and use in source and binary forms, with or without
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| 8 | * modification, are permitted provided that the following conditions
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| 9 | * are met:
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| 10 | *
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| 11 | * 1. Redistributions of source code must retain the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer.
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| 13 | *
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| 14 | * 2. Redistributions in binary form must reproduce the above copyright
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| 15 | * notice, this list of conditions and the following disclaimer in
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| 16 | * the documentation and/or other materials provided with the
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| 17 | * distribution.
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| 18 | *
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| 19 | * 3. The end-user documentation included with the redistribution,
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| 20 | * if any, must include the following acknowledgment:
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| 21 | * "This product includes software developed by the
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| 22 | * Apache Software Foundation (http://www.apache.org/)."
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| 23 | * Alternately, this acknowledgment may appear in the software itself,
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| 24 | * if and wherever such third-party acknowledgments normally appear.
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| 25 | *
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| 26 | * 4. The names "Xerces" and "Apache Software Foundation" must
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| 27 | * not be used to endorse or promote products derived from this
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| 28 | * software without prior written permission. For written
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| 29 | * permission, please contact apache\@apache.org.
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| 30 | *
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| 31 | * 5. Products derived from this software may not be called "Apache",
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| 32 | * nor may "Apache" appear in their name, without prior written
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| 33 | * permission of the Apache Software Foundation.
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| 34 | *
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| 35 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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| 36 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 37 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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| 38 | * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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| 39 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| 40 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| 41 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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| 42 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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| 43 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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| 44 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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| 45 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 46 | * SUCH DAMAGE.
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| 47 | * ====================================================================
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| 48 | *
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| 49 | * This software consists of voluntary contributions made by many
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| 50 | * individuals on behalf of the Apache Software Foundation, and was
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| 51 | * originally based on software copyright (c) 1999, International
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| 52 | * Business Machines, Inc., http://www.ibm.com . For more information
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| 53 | * on the Apache Software Foundation, please see
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| 54 | * <http://www.apache.org/>.
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| 55 | */
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| 56 |
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| 57 | /*
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| 58 | * $Log: SimpleContentModel.hpp,v $
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| 59 | * Revision 1.9 2004/01/29 11:51:21 cargilld
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| 60 | * Code cleanup changes to get rid of various compiler diagnostic messages.
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| 61 | *
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| 62 | * Revision 1.8 2003/12/17 00:18:38 cargilld
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| 63 | * Update to memory management so that the static memory manager (one used to call Initialize) is only for static data.
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| 64 | *
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| 65 | * Revision 1.7 2003/06/03 18:12:29 knoaman
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| 66 | * Add default value for memory manager argument.
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| 67 | *
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| 68 | * Revision 1.6 2003/05/18 14:02:06 knoaman
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| 69 | * Memory manager implementation: pass per instance manager.
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| 70 | *
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| 71 | * Revision 1.5 2003/05/15 18:48:27 knoaman
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| 72 | * Partial implementation of the configurable memory manager.
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| 73 | *
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| 74 | * Revision 1.4 2003/03/07 18:16:57 tng
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| 75 | * Return a reference instead of void for operator=
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| 76 | *
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| 77 | * Revision 1.3 2002/11/04 14:54:58 tng
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| 78 | * C++ Namespace Support.
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| 79 | *
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| 80 | * Revision 1.2 2002/10/30 21:52:00 tng
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| 81 | * [Bug 13641] compiler-generated copy-constructor for QName doesn't do the right thing.
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| 82 | *
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| 83 | * Revision 1.1.1.1 2002/02/01 22:22:39 peiyongz
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| 84 | * sane_include
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| 85 | *
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| 86 | * Revision 1.12 2001/11/21 14:30:13 knoaman
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| 87 | * Fix for UPA checking.
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| 88 | *
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| 89 | * Revision 1.11 2001/10/03 15:08:45 tng
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| 90 | * typo fix: remove the extra space which may confuse some compilers while constructing the qname.
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| 91 | *
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| 92 | * Revision 1.10 2001/08/21 16:06:11 tng
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| 93 | * Schema: Unique Particle Attribution Constraint Checking.
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| 94 | *
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| 95 | * Revision 1.9 2001/08/13 15:06:39 knoaman
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| 96 | * update <any> validation.
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| 97 | *
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| 98 | * Revision 1.8 2001/05/11 13:27:20 tng
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| 99 | * Copyright update.
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| 100 | *
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| 101 | * Revision 1.7 2001/05/03 21:02:33 tng
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| 102 | * Schema: Add SubstitutionGroupComparator and update exception messages. By Pei Yong Zhang.
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| 103 | *
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| 104 | * Revision 1.6 2001/04/19 18:17:34 tng
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| 105 | * Schema: SchemaValidator update, and use QName in Content Model
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| 106 | *
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| 107 | * Revision 1.5 2001/03/21 21:56:29 tng
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| 108 | * Schema: Add Schema Grammar, Schema Validator, and split the DTDValidator into DTDValidator, DTDScanner, and DTDGrammar.
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| 109 | *
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| 110 | * Revision 1.4 2001/03/21 19:30:02 tng
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| 111 | * Schema: Content Model Updates, by Pei Yong Zhang.
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| 112 | *
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| 113 | * Revision 1.3 2001/02/27 14:48:57 tng
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| 114 | * Schema: Add CMAny and ContentLeafNameTypeVector, by Pei Yong Zhang
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| 115 | *
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| 116 | * Revision 1.2 2001/02/16 14:58:57 tng
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| 117 | * Schema: Update Makefile, configure files, project files, and include path in
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| 118 | * certain cpp files because of the move of the common Content Model files. By Pei Yong Zhang.
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| 119 | *
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| 120 | * Revision 1.1 2001/02/16 14:17:29 tng
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| 121 | * Schema: Move the common Content Model files that are shared by DTD
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| 122 | * and schema from 'DTD' folder to 'common' folder. By Pei Yong Zhang.
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| 123 | *
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| 124 | * Revision 1.3 2000/02/24 20:16:49 abagchi
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| 125 | * Swat for removing Log from API docs
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| 126 | *
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| 127 | * Revision 1.2 2000/02/09 21:42:39 abagchi
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| 128 | * Copyright swat
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| 129 | *
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| 130 | * Revision 1.1.1.1 1999/11/09 01:03:48 twl
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| 131 | * Initial checkin
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| 132 | *
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| 133 | * Revision 1.2 1999/11/08 20:45:44 rahul
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| 134 | * Swat for adding in Product name and CVS comment log variable.
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| 135 | *
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| 136 | */
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| 137 |
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| 138 |
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| 139 | #if !defined(SIMPLECONTENTMODEL_HPP)
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| 140 | #define SIMPLECONTENTMODEL_HPP
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| 141 |
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| 142 | #include <xercesc/framework/XMLContentModel.hpp>
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| 143 | #include <xercesc/validators/common/ContentSpecNode.hpp>
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| 144 |
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| 145 | XERCES_CPP_NAMESPACE_BEGIN
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| 146 |
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| 147 | //
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| 148 | // SimpleContentModel is a derivative of the abstract content model base
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| 149 | // class that handles a small set of simple content models that are just
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| 150 | // way overkill to give the DFA treatment.
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| 151 | //
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| 152 | // DESCRIPTION:
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| 153 | //
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| 154 | // This guy handles the following scenarios:
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| 155 | //
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| 156 | // a
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| 157 | // a?
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| 158 | // a*
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| 159 | // a+
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| 160 | // a,b
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| 161 | // a|b
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| 162 | //
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| 163 | // These all involve a unary operation with one element type, or a binary
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| 164 | // operation with two elements. These are very simple and can be checked
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| 165 | // in a simple way without a DFA and without the overhead of setting up a
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| 166 | // DFA for such a simple check.
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| 167 | //
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| 168 | // NOTE: Pass the XMLElementDecl::fgPCDataElemId value to represent a
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| 169 | // PCData node. Pass XMLElementDecl::fgInvalidElemId for unused element
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| 170 | //
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| 171 | class SimpleContentModel : public XMLContentModel
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| 172 | {
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| 173 | public :
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| 174 | // -----------------------------------------------------------------------
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| 175 | // Constructors and Destructor
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| 176 | // -----------------------------------------------------------------------
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| 177 | SimpleContentModel
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| 178 | (
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| 179 | const bool dtd
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| 180 | , QName* const firstChild
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| 181 | , QName* const secondChild
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| 182 | , const ContentSpecNode::NodeTypes cmOp
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| 183 | , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
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| 184 | );
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| 185 |
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| 186 | ~SimpleContentModel();
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| 187 |
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| 188 |
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| 189 | // -----------------------------------------------------------------------
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| 190 | // Implementation of the ContentModel virtual interface
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| 191 | // -----------------------------------------------------------------------
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| 192 | virtual int validateContent
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| 193 | (
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| 194 | QName** const children
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| 195 | , const unsigned int childCount
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| 196 | , const unsigned int emptyNamespaceId
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| 197 | ) const;
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| 198 |
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| 199 | virtual int validateContentSpecial
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| 200 | (
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| 201 | QName** const children
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| 202 | , const unsigned int childCount
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| 203 | , const unsigned int emptyNamespaceId
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| 204 | , GrammarResolver* const pGrammarResolver
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| 205 | , XMLStringPool* const pStringPool
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| 206 | ) const;
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| 207 |
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| 208 | virtual ContentLeafNameTypeVector *getContentLeafNameTypeVector() const;
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| 209 |
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| 210 | virtual unsigned int getNextState(const unsigned int currentState,
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| 211 | const unsigned int elementIndex) const;
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| 212 |
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| 213 | virtual void checkUniqueParticleAttribution
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| 214 | (
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| 215 | SchemaGrammar* const pGrammar
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| 216 | , GrammarResolver* const pGrammarResolver
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| 217 | , XMLStringPool* const pStringPool
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| 218 | , XMLValidator* const pValidator
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| 219 | , unsigned int* const pContentSpecOrgURI
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| 220 | ) ;
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| 221 |
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| 222 | private :
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| 223 | // -----------------------------------------------------------------------
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| 224 | // Unimplemented constructors and operators
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| 225 | // -----------------------------------------------------------------------
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| 226 | SimpleContentModel();
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| 227 | SimpleContentModel(const SimpleContentModel&);
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| 228 | SimpleContentModel& operator=(const SimpleContentModel&);
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| 229 |
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| 230 |
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| 231 | // -----------------------------------------------------------------------
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| 232 | // Private data members
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| 233 | //
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| 234 | // fFirstChild
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| 235 | // fSecondChild
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| 236 | // The first (and optional second) child node. The
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| 237 | // operation code tells us whether the second child is used or not.
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| 238 | //
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| 239 | // fOp
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| 240 | // The operation that this object represents. Since this class only
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| 241 | // does simple contents, there is only ever a single operation
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| 242 | // involved (i.e. the children of the operation are always one or
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| 243 | // two leafs.)
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| 244 | //
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| 245 | // fDTD
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| 246 | // Boolean to allow DTDs to validate even with namespace support. */
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| 247 | //
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| 248 | // -----------------------------------------------------------------------
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| 249 | QName* fFirstChild;
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| 250 | QName* fSecondChild;
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| 251 | ContentSpecNode::NodeTypes fOp;
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| 252 | bool fDTD;
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| 253 | MemoryManager* const fMemoryManager;
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| 254 | };
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| 255 |
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| 256 |
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| 257 | // ---------------------------------------------------------------------------
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| 258 | // SimpleContentModel: Constructors and Destructor
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| 259 | // ---------------------------------------------------------------------------
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| 260 | inline SimpleContentModel::SimpleContentModel
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| 261 | (
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| 262 | const bool dtd
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| 263 | , QName* const firstChild
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| 264 | , QName* const secondChild
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| 265 | , const ContentSpecNode::NodeTypes cmOp
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| 266 | , MemoryManager* const manager
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| 267 | )
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| 268 | : fFirstChild(0)
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| 269 | , fSecondChild(0)
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| 270 | , fOp(cmOp)
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| 271 | , fDTD(dtd)
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| 272 | , fMemoryManager(manager)
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| 273 | {
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| 274 | if (firstChild)
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| 275 | fFirstChild = new (manager) QName(*firstChild);
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| 276 | else
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| 277 | fFirstChild = new (manager) QName(XMLUni::fgZeroLenString, XMLUni::fgZeroLenString, XMLElementDecl::fgInvalidElemId, manager);
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| 278 |
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| 279 | if (secondChild)
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| 280 | fSecondChild = new (manager) QName(*secondChild);
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| 281 | else
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| 282 | fSecondChild = new (manager) QName(XMLUni::fgZeroLenString, XMLUni::fgZeroLenString, XMLElementDecl::fgInvalidElemId, manager);
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| 283 | }
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| 284 |
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| 285 | inline SimpleContentModel::~SimpleContentModel()
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| 286 | {
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| 287 | delete fFirstChild;
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| 288 | delete fSecondChild;
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| 289 | }
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| 290 |
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| 291 |
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| 292 | // ---------------------------------------------------------------------------
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| 293 | // SimpleContentModel: Virtual methods
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| 294 | // ---------------------------------------------------------------------------
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| 295 | inline unsigned int
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| 296 | SimpleContentModel::getNextState(const unsigned int,
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| 297 | const unsigned int) const {
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| 298 |
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| 299 | return XMLContentModel::gInvalidTrans;
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| 300 | }
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| 301 |
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| 302 | XERCES_CPP_NAMESPACE_END
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| 303 |
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| 304 | #endif
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