| 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: MixedContentModel.hpp,v $
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| 59 | * Revision 1.7 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 1.6 2003/05/16 21:43:20 knoaman
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| 63 | * Memory manager implementation: Modify constructors to pass in the memory manager.
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| 64 | *
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| 65 | * Revision 1.5 2003/05/15 18:48:27 knoaman
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| 66 | * Partial implementation of the configurable memory manager.
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| 67 | *
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| 68 | * Revision 1.4 2003/03/07 18:16:57 tng
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| 69 | * Return a reference instead of void for operator=
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| 70 | *
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| 71 | * Revision 1.3 2002/11/04 14:54:58 tng
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| 72 | * C++ Namespace Support.
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| 73 | *
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| 74 | * Revision 1.2 2002/02/25 21:18:53 tng
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| 75 | * Schema Fix: Ensure no invalid uri index for UPA checking.
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| 76 | *
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| 77 | * Revision 1.1.1.1 2002/02/01 22:22:39 peiyongz
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| 78 | * sane_include
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| 79 | *
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| 80 | * Revision 1.12 2001/11/28 16:46:20 tng
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| 81 | * Schema fix: Check for invalid URI index first.
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| 82 | *
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| 83 | * Revision 1.11 2001/11/21 14:30:13 knoaman
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| 84 | * Fix for UPA checking.
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| 85 | *
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| 86 | * Revision 1.10 2001/08/21 16:06:11 tng
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| 87 | * Schema: Unique Particle Attribution Constraint Checking.
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| 88 | *
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| 89 | * Revision 1.9 2001/08/13 15:06:39 knoaman
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| 90 | * update <any> validation.
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| 91 | *
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| 92 | * Revision 1.8 2001/05/11 13:27:19 tng
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| 93 | * Copyright update.
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| 94 | *
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| 95 | * Revision 1.7 2001/05/03 21:02:31 tng
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| 96 | * Schema: Add SubstitutionGroupComparator and update exception messages. By Pei Yong Zhang.
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| 97 | *
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| 98 | * Revision 1.6 2001/04/19 18:17:33 tng
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| 99 | * Schema: SchemaValidator update, and use QName in Content Model
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| 100 | *
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| 101 | * Revision 1.5 2001/03/21 21:56:28 tng
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| 102 | * Schema: Add Schema Grammar, Schema Validator, and split the DTDValidator into DTDValidator, DTDScanner, and DTDGrammar.
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| 103 | *
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| 104 | * Revision 1.4 2001/03/21 19:29:58 tng
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| 105 | * Schema: Content Model Updates, by Pei Yong Zhang.
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| 106 | *
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| 107 | * Revision 1.3 2001/02/27 18:32:33 tng
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| 108 | * Schema: Use XMLElementDecl instead of DTDElementDecl in Content Model.
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| 109 | *
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| 110 | * Revision 1.2 2001/02/27 14:48:55 tng
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| 111 | * Schema: Add CMAny and ContentLeafNameTypeVector, by Pei Yong Zhang
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| 112 | *
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| 113 | * Revision 1.1 2001/02/16 14:17:29 tng
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| 114 | * Schema: Move the common Content Model files that are shared by DTD
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| 115 | * and schema from 'DTD' folder to 'common' folder. By Pei Yong Zhang.
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| 116 | *
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| 117 | * Revision 1.3 2000/02/24 20:16:49 abagchi
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| 118 | * Swat for removing Log from API docs
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| 119 | *
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| 120 | * Revision 1.2 2000/02/09 21:42:39 abagchi
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| 121 | * Copyright swat
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| 122 | *
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| 123 | * Revision 1.1.1.1 1999/11/09 01:03:45 twl
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| 124 | * Initial checkin
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| 125 | *
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| 126 | * Revision 1.3 1999/11/08 20:45:43 rahul
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| 127 | * Swat for adding in Product name and CVS comment log variable.
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| 128 | *
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| 129 | */
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| 130 |
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| 131 |
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| 132 | #if !defined(MIXEDCONTENTMODEL_HPP)
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| 133 | #define MIXEDCONTENTMODEL_HPP
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| 134 |
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| 135 | #include <xercesc/util/ValueVectorOf.hpp>
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| 136 | #include <xercesc/framework/XMLContentModel.hpp>
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| 137 | #include <xercesc/validators/common/ContentLeafNameTypeVector.hpp>
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| 138 |
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| 139 | XERCES_CPP_NAMESPACE_BEGIN
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| 140 |
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| 141 | class ContentSpecNode;
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| 142 |
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| 143 | //
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| 144 | // MixedContentModel is a derivative of the abstract content model base
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| 145 | // class that handles the special case of mixed model elements. If an element
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| 146 | // is mixed model, it has PCDATA as its first possible content, followed
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| 147 | // by an alternation of the possible children. The children cannot have any
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| 148 | // numeration or order, so it must look like this:
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| 149 | //
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| 150 | // <!ELEMENT Foo ((#PCDATA|a|b|c|)*)>
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| 151 | //
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| 152 | // So, all we have to do is to keep an array of the possible children and
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| 153 | // validate by just looking up each child being validated by looking it up
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| 154 | // in the list.
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| 155 | //
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| 156 | class MixedContentModel : public XMLContentModel
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| 157 | {
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| 158 | public :
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| 159 | // -----------------------------------------------------------------------
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| 160 | // Constructors and Destructor
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| 161 | // -----------------------------------------------------------------------
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| 162 | MixedContentModel
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| 163 | (
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| 164 | const bool dtd
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| 165 | , ContentSpecNode* const parentContentSpec
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| 166 | , const bool ordered = false
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| 167 | , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
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| 168 | );
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| 169 |
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| 170 | ~MixedContentModel();
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| 171 |
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| 172 |
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| 173 | // -----------------------------------------------------------------------
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| 174 | // Getter methods
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| 175 | // -----------------------------------------------------------------------
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| 176 | bool hasDups() const;
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| 177 |
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| 178 | // -----------------------------------------------------------------------
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| 179 | // Implementation of the ContentModel virtual interface
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| 180 | // -----------------------------------------------------------------------
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| 181 | virtual int validateContent
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| 182 | (
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| 183 | QName** const children
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| 184 | , const unsigned int childCount
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| 185 | , const unsigned int emptyNamespaceId
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| 186 | ) const;
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| 187 |
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| 188 | virtual int validateContentSpecial
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| 189 | (
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| 190 | QName** const children
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| 191 | , const unsigned int childCount
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| 192 | , const unsigned int emptyNamespaceId
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| 193 | , GrammarResolver* const pGrammarResolver
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| 194 | , XMLStringPool* const pStringPool
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| 195 | ) const;
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| 196 |
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| 197 | virtual ContentLeafNameTypeVector* getContentLeafNameTypeVector() const ;
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| 198 |
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| 199 | virtual unsigned int getNextState(const unsigned int currentState,
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| 200 | const unsigned int elementIndex) const;
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| 201 |
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| 202 | virtual void checkUniqueParticleAttribution
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| 203 | (
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| 204 | SchemaGrammar* const pGrammar
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| 205 | , GrammarResolver* const pGrammarResolver
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| 206 | , XMLStringPool* const pStringPool
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| 207 | , XMLValidator* const pValidator
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| 208 | , unsigned int* const pContentSpecOrgURI
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| 209 | ) ;
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| 210 |
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| 211 | private :
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| 212 | // -----------------------------------------------------------------------
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| 213 | // Private helper methods
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| 214 | // -----------------------------------------------------------------------
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| 215 | void buildChildList
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| 216 | (
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| 217 | ContentSpecNode* const curNode
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| 218 | , ValueVectorOf<QName*>& toFill
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| 219 | , ValueVectorOf<ContentSpecNode::NodeTypes>& toType
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| 220 | );
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| 221 |
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| 222 | // -----------------------------------------------------------------------
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| 223 | // Unimplemented constructors and operators
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| 224 | // -----------------------------------------------------------------------
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| 225 | MixedContentModel();
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| 226 | MixedContentModel(const MixedContentModel&);
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| 227 | MixedContentModel& operator=(const MixedContentModel&);
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| 228 |
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| 229 |
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| 230 | // -----------------------------------------------------------------------
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| 231 | // Private data members
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| 232 | //
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| 233 | // fCount
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| 234 | // The count of possible children in the fChildren member.
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| 235 | //
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| 236 | // fChildren
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| 237 | // The list of possible children that we have to accept. This array
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| 238 | // is allocated as large as needed in the constructor.
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| 239 | //
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| 240 | // fChildTypes
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| 241 | // The type of the children to support ANY.
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| 242 | //
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| 243 | // fOrdered
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| 244 | // True if mixed content model is ordered. DTD mixed content models
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| 245 | // are <em>always</em> unordered.
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| 246 | //
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| 247 | // fDTD
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| 248 | // Boolean to allow DTDs to validate even with namespace support.
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| 249 | //
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| 250 | // -----------------------------------------------------------------------
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| 251 | unsigned int fCount;
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| 252 | QName** fChildren;
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| 253 | ContentSpecNode::NodeTypes* fChildTypes;
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| 254 | bool fOrdered;
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| 255 | bool fDTD;
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| 256 | MemoryManager* fMemoryManager;
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| 257 | };
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| 258 |
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| 259 | inline ContentLeafNameTypeVector* MixedContentModel::getContentLeafNameTypeVector() const
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| 260 | {
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| 261 | return 0;
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| 262 | }
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| 263 |
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| 264 | inline unsigned int
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| 265 | MixedContentModel::getNextState(const unsigned int,
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| 266 | const unsigned int) const {
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| 267 |
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| 268 | return XMLContentModel::gInvalidTrans;
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| 269 | }
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| 270 |
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| 271 | inline void MixedContentModel::checkUniqueParticleAttribution
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| 272 | (
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| 273 | SchemaGrammar* const
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| 274 | , GrammarResolver* const
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| 275 | , XMLStringPool* const
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| 276 | , XMLValidator* const
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| 277 | , unsigned int* const pContentSpecOrgURI
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| 278 | )
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| 279 | {
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| 280 | // rename back
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| 281 | unsigned int i = 0;
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| 282 | for (i = 0; i < fCount; i++) {
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| 283 | unsigned int orgURIIndex = fChildren[i]->getURI();
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| 284 | if ((orgURIIndex != XMLContentModel::gEOCFakeId) &&
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| 285 | (orgURIIndex != XMLElementDecl::fgInvalidElemId) &&
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| 286 | (orgURIIndex != XMLElementDecl::fgPCDataElemId))
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| 287 | fChildren[i]->setURI(pContentSpecOrgURI[orgURIIndex]);
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| 288 | }
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| 289 |
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| 290 | // for mixed content model, it's only a sequence
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| 291 | // UPA checking is not necessary
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| 292 | }
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| 293 |
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| 294 | XERCES_CPP_NAMESPACE_END
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| 295 |
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| 296 | #endif
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