[358] | 1 | /*
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| 2 | * Copyright 1999-2004 The Apache Software Foundation.
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | */
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| 16 |
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| 17 | /*
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| 18 | * $Log: RefStackOf.hpp,v $
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| 19 | * Revision 1.7 2004/09/08 13:56:23 peiyongz
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| 20 | * Apache License Version 2.0
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| 21 | *
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| 22 | * Revision 1.6 2004/01/29 11:48:46 cargilld
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| 23 | * Code cleanup changes to get rid of various compiler diagnostic messages.
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| 24 | *
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| 25 | * Revision 1.5 2003/05/16 06:01:52 knoaman
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| 26 | * Partial implementation of the configurable memory manager.
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| 27 | *
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| 28 | * Revision 1.4 2003/05/15 19:07:45 knoaman
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| 29 | * Partial implementation of the configurable memory manager.
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| 30 | *
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| 31 | * Revision 1.3 2002/11/04 15:22:04 tng
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| 32 | * C++ Namespace Support.
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| 33 | *
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| 34 | * Revision 1.2 2002/08/21 17:45:00 tng
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| 35 | * [Bug 7087] compiler warnings when using gcc.
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| 36 | *
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| 37 | * Revision 1.1.1.1 2002/02/01 22:22:12 peiyongz
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| 38 | * sane_include
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| 39 | *
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| 40 | * Revision 1.4 2000/03/02 19:54:45 roddey
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| 41 | * This checkin includes many changes done while waiting for the
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| 42 | * 1.1.0 code to be finished. I can't list them all here, but a list is
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| 43 | * available elsewhere.
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| 44 | *
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| 45 | * Revision 1.3 2000/02/24 20:05:25 abagchi
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| 46 | * Swat for removing Log from API docs
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| 47 | *
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| 48 | * Revision 1.2 2000/02/06 07:48:03 rahulj
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| 49 | * Year 2K copyright swat.
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| 50 | *
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| 51 | * Revision 1.1.1.1 1999/11/09 01:05:03 twl
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| 52 | * Initial checkin
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| 53 | *
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| 54 | * Revision 1.2 1999/11/08 20:45:13 rahul
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| 55 | * Swat for adding in Product name and CVS comment log variable.
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| 56 | *
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| 57 | */
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| 58 |
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| 59 | #if !defined(REFSTACKOF_HPP)
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| 60 | #define REFSTACKOF_HPP
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| 61 |
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| 62 | #include <xercesc/util/RefVectorOf.hpp>
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| 63 | #include <xercesc/util/EmptyStackException.hpp>
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| 64 |
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| 65 | XERCES_CPP_NAMESPACE_BEGIN
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| 66 |
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| 67 | //
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| 68 | // Forward declare the enumerator so he can be our friend. Can you say
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| 69 | // friend? Sure...
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| 70 | //
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| 71 | template <class TElem> class RefStackEnumerator;
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| 72 |
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| 73 |
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| 74 | template <class TElem> class RefStackOf : public XMemory
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| 75 | {
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| 76 | public :
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| 77 | // -----------------------------------------------------------------------
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| 78 | // Constructors and Destructor
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| 79 | // -----------------------------------------------------------------------
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| 80 | RefStackOf(const unsigned int initElems,
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| 81 | const bool adoptElems = true,
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| 82 | MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);
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| 83 | ~RefStackOf();
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| 84 |
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| 85 |
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| 86 | // -----------------------------------------------------------------------
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| 87 | // Element management methods
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| 88 | // -----------------------------------------------------------------------
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| 89 | const TElem* elementAt(const unsigned int index) const;
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| 90 | void push(TElem* const toPush);
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| 91 | const TElem* peek() const;
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| 92 | TElem* pop();
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| 93 | void removeAllElements();
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| 94 |
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| 95 |
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| 96 | // -----------------------------------------------------------------------
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| 97 | // Getter methods
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| 98 | // -----------------------------------------------------------------------
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| 99 | bool empty();
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| 100 | unsigned int curCapacity();
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| 101 | unsigned int size();
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| 102 |
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| 103 |
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| 104 | private :
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| 105 | // -----------------------------------------------------------------------
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| 106 | // Declare our friends
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| 107 | // -----------------------------------------------------------------------
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| 108 | friend class RefStackEnumerator<TElem>;
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| 109 |
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| 110 | // -----------------------------------------------------------------------
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| 111 | // Unimplemented constructors and operators
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| 112 | // -----------------------------------------------------------------------
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| 113 | RefStackOf(const RefStackOf<TElem>&);
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| 114 | RefStackOf<TElem>& operator=(const RefStackOf<TElem>&);
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| 115 |
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| 116 | // -----------------------------------------------------------------------
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| 117 | // Data Members
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| 118 | //
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| 119 | // fVector
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| 120 | // The vector that is used as the backing data structure for the
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| 121 | // stack.
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| 122 | // -----------------------------------------------------------------------
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| 123 | RefVectorOf<TElem> fVector;
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| 124 | };
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| 125 |
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| 126 |
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| 127 |
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| 128 | //
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| 129 | // An enumerator for a value stack. It derives from the basic enumerator
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| 130 | // class, so that value stacks can be generically enumerated.
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| 131 | //
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| 132 | template <class TElem> class RefStackEnumerator : public XMLEnumerator<TElem>, public XMemory
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| 133 | {
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| 134 | public :
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| 135 | // -----------------------------------------------------------------------
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| 136 | // Constructors and Destructor
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| 137 | // -----------------------------------------------------------------------
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| 138 | RefStackEnumerator
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| 139 | (
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| 140 | RefStackOf<TElem>* const toEnum
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| 141 | , const bool adopt = false
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| 142 | );
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| 143 | virtual ~RefStackEnumerator();
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| 144 |
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| 145 |
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| 146 | // -----------------------------------------------------------------------
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| 147 | // Enum interface
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| 148 | // -----------------------------------------------------------------------
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| 149 | bool hasMoreElements() const;
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| 150 | TElem& nextElement();
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| 151 | void Reset();
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| 152 |
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| 153 |
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| 154 | private :
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| 155 | // -----------------------------------------------------------------------
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| 156 | // Unimplemented constructors and operators
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| 157 | // -----------------------------------------------------------------------
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| 158 | RefStackEnumerator(const RefStackEnumerator<TElem>&);
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| 159 | RefStackEnumerator<TElem>& operator=(const RefStackEnumerator<TElem>&);
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| 160 | // -----------------------------------------------------------------------
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| 161 | // Data Members
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| 162 | //
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| 163 | // fAdopted
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| 164 | // Indicates whether we have adopted the passed stack. If so then
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| 165 | // we delete the stack when we are destroyed.
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| 166 | //
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| 167 | // fCurIndex
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| 168 | // This is the current index into the vector inside the stack being
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| 169 | // enumerated.
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| 170 | //
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| 171 | // fToEnum
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| 172 | // The stack that is being enumerated. This is just kept for
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| 173 | // adoption purposes, since we really are enumerating the vector
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| 174 | // inside of it.
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| 175 | // -----------------------------------------------------------------------
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| 176 | bool fAdopted;
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| 177 | unsigned int fCurIndex;
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| 178 | RefVectorOf<TElem>* fVector;
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| 179 | RefStackOf<TElem>* fToEnum;
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| 180 | };
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| 181 |
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| 182 | XERCES_CPP_NAMESPACE_END
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| 183 |
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| 184 | #if !defined(XERCES_TMPLSINC)
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| 185 | #include <xercesc/util/RefStackOf.c>
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| 186 | #endif
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| 187 |
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| 188 | #endif
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