[358] | 1 | /*
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| 2 | * Copyright 1999-2001,2004 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: EnumVal.cpp,v $
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| 19 | * Revision 1.23 2004/09/08 13:55:31 peiyongz
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| 20 | * Apache License Version 2.0
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| 21 | *
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| 22 | * Revision 1.22 2004/09/02 14:59:28 cargilld
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| 23 | * Add OutOfMemoryException block to samples.
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| 24 | *
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| 25 | * Revision 1.21 2003/08/07 21:21:38 neilg
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| 26 | * fix segmentation faults that may arise when the parser throws exceptions during document parsing. In general, XMLPlatformUtils::Terminate() should not be called from within a catch statement.
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| 27 | *
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| 28 | * Revision 1.20 2003/05/30 09:36:35 gareth
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| 29 | * Use new macros for iostream.h and std:: issues.
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| 30 | *
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| 31 | * Revision 1.19 2003/02/05 18:53:23 tng
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| 32 | * [Bug 11915] Utility for freeing memory.
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| 33 | *
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| 34 | * Revision 1.18 2002/11/05 21:46:19 tng
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| 35 | * Explicit code using namespace in application.
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| 36 | *
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| 37 | * Revision 1.17 2002/04/17 20:18:08 tng
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| 38 | * [Bug 7493] The word "occured" is misspelled and it is a global error.
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| 39 | *
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| 40 | * Revision 1.16 2002/02/01 22:35:51 peiyongz
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| 41 | * sane_include
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| 42 | *
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| 43 | * Revision 1.15 2001/11/22 14:47:54 tng
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| 44 | * Use the phrase "Grammar" instead of "Validator" in EnumVal and SEnumVal Description.
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| 45 | *
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| 46 | * Revision 1.14 2001/10/25 15:18:33 tng
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| 47 | * delete the parser before XMLPlatformUtils::Terminate.
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| 48 | *
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| 49 | * Revision 1.13 2001/10/19 19:02:42 tng
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| 50 | * [Bug 3909] return non-zero an exit code when error was encounted.
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| 51 | * And other modification for consistent help display and return code across samples.
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| 52 | *
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| 53 | * Revision 1.12 2001/05/11 13:24:54 tng
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| 54 | * Copyright update.
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| 55 | *
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| 56 | * Revision 1.11 2001/04/19 18:16:46 tng
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| 57 | * Schema: SchemaValidator update, and use QName in Content Model
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| 58 | *
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| 59 | * Revision 1.10 2001/03/21 21:55:57 tng
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| 60 | * Schema: Add Schema Grammar, Schema Validator, and split the DTDValidator into DTDValidator, DTDScanner, and DTDGrammar.
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| 61 | *
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| 62 | * Revision 1.9 2000/06/12 22:07:22 rahulj
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| 63 | * Correctly rejects unsupported command line options.
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| 64 | *
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| 65 | * Revision 1.8 2000/05/31 18:50:42 rahulj
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| 66 | * Removed extraneous command line arguments.
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| 67 | *
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| 68 | * Revision 1.7 2000/03/03 01:29:30 roddey
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| 69 | * Added a scanReset()/parseReset() method to the scanner and
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| 70 | * parsers, to allow for reset after early exit from a progressive parse.
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| 71 | * Added calls to new Terminate() call to all of the samples. Improved
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| 72 | * documentation in SAX and DOM parsers.
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| 73 | *
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| 74 | * Revision 1.6 2000/03/02 19:53:40 roddey
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| 75 | * This checkin includes many changes done while waiting for the
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| 76 | * 1.1.0 code to be finished. I can't list them all here, but a list is
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| 77 | * available elsewhere.
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| 78 | *
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| 79 | * Revision 1.5 2000/02/11 02:49:47 abagchi
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| 80 | * Removed StrX::transcode
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| 81 | *
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| 82 | * Revision 1.4 2000/02/11 02:26:40 abagchi
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| 83 | * Removed StrX::transcode
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| 84 | *
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| 85 | * Revision 1.3 2000/02/06 07:47:19 rahulj
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| 86 | * Year 2K copyright swat.
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| 87 | *
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| 88 | * Revision 1.2 1999/12/21 19:54:44 rahulj
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| 89 | * Added Apache license and version tags.
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| 90 | *
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| 91 | */
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| 92 |
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| 93 | // ---------------------------------------------------------------------------
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| 94 | // Includes
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| 95 | // ---------------------------------------------------------------------------
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| 96 | #include <xercesc/util/NameIdPool.hpp>
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| 97 | #include <xercesc/util/PlatformUtils.hpp>
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| 98 | #include <xercesc/framework/XMLValidator.hpp>
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| 99 | #include <xercesc/parsers/SAXParser.hpp>
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| 100 | #include <xercesc/validators/DTD/DTDValidator.hpp>
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| 101 | #include <xercesc/util/OutOfMemoryException.hpp>
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| 102 | #if defined(XERCES_NEW_IOSTREAMS)
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| 103 | #include <iostream>
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| 104 | #else
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| 105 | #include <iostream.h>
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| 106 | #endif
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| 107 | #include <stdlib.h>
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| 108 | #include <string.h>
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| 109 |
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| 110 |
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| 111 | XERCES_CPP_NAMESPACE_USE
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| 112 |
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| 113 | // ---------------------------------------------------------------------------
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| 114 | // Forward references
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| 115 | // ---------------------------------------------------------------------------
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| 116 | static void usage();
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| 117 |
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| 118 |
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| 119 |
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| 120 | // ---------------------------------------------------------------------------
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| 121 | // This is a simple class that lets us do easy (though not terribly efficient)
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| 122 | // trancoding of XMLCh data to local code page for display.
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| 123 | // ---------------------------------------------------------------------------
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| 124 | class StrX
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| 125 | {
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| 126 | public :
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| 127 | // -----------------------------------------------------------------------
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| 128 | // Constructors and Destructor
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| 129 | // -----------------------------------------------------------------------
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| 130 | StrX(const XMLCh* const toTranscode)
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| 131 | {
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| 132 | // Call the private transcoding method
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| 133 | fLocalForm = XMLString::transcode(toTranscode);
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| 134 | }
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| 135 |
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| 136 | ~StrX()
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| 137 | {
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| 138 | XMLString::release(&fLocalForm);
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| 139 | }
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| 140 |
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| 141 |
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| 142 | // -----------------------------------------------------------------------
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| 143 | // Getter methods
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| 144 | // -----------------------------------------------------------------------
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| 145 | const char* localForm() const
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| 146 | {
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| 147 | return fLocalForm;
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| 148 | }
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| 149 |
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| 150 |
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| 151 | private :
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| 152 | // -----------------------------------------------------------------------
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| 153 | // Private data members
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| 154 | //
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| 155 | // fLocalForm
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| 156 | // This is the local code page form of the string.
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| 157 | // -----------------------------------------------------------------------
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| 158 | char* fLocalForm;
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| 159 | };
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| 160 |
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| 161 | inline XERCES_STD_QUALIFIER ostream& operator<<(XERCES_STD_QUALIFIER ostream& target, const StrX& toDump)
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| 162 | {
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| 163 | target << toDump.localForm();
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| 164 | return target;
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| 165 | }
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| 166 |
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| 167 |
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| 168 | // ---------------------------------------------------------------------------
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| 169 | // Local helper methods
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| 170 | // ---------------------------------------------------------------------------
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| 171 | static void usage()
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| 172 | {
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| 173 | XERCES_STD_QUALIFIER cout << "\nUsage:\n"
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| 174 | " EnumVal <XML file>\n\n"
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| 175 | "This program parses the specified XML file, then shows how to\n"
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| 176 | "enumerate the contents of the DTD Grammar. Essentially,\n"
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| 177 | "shows how one can access the DTD information stored in internal\n"
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| 178 | "data structures.\n"
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| 179 | << XERCES_STD_QUALIFIER endl;
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| 180 | }
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| 181 |
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| 182 |
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| 183 | // ---------------------------------------------------------------------------
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| 184 | // Program entry point
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| 185 | // ---------------------------------------------------------------------------
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| 186 | int main(int argC, char* argV[])
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| 187 | {
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| 188 | // Initialize the XML4C system
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| 189 | try
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| 190 | {
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| 191 | XMLPlatformUtils::Initialize();
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| 192 | }
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| 193 |
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| 194 | catch (const XMLException& toCatch)
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| 195 | {
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| 196 | XERCES_STD_QUALIFIER cerr << "Error during initialization! Message:\n"
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| 197 | << StrX(toCatch.getMessage()) << XERCES_STD_QUALIFIER endl;
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| 198 | return 1;
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| 199 | }
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| 200 |
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| 201 | // Check command line and extract arguments.
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| 202 | if (argC < 2)
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| 203 | {
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| 204 | usage();
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| 205 | XMLPlatformUtils::Terminate();
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| 206 | return 1;
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| 207 | }
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| 208 |
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| 209 | // We only have one required parameter, which is the file to process
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| 210 | if ((argC != 2) || (*(argV[1]) == '-'))
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| 211 | {
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| 212 | usage();
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| 213 | XMLPlatformUtils::Terminate();
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| 214 | return 1;
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| 215 | }
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| 216 |
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| 217 | const char* xmlFile = argV[1];
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| 218 | SAXParser::ValSchemes valScheme = SAXParser::Val_Auto;
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| 219 |
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| 220 | //
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| 221 | // Create a DTD validator to be used for our validation work. Then create
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| 222 | // a SAX parser object and pass it our validator. Then, according to what
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| 223 | // we were told on the command line, set it to validate or not. He owns
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| 224 | // the validator, so we have to allocate it.
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| 225 | //
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| 226 | int errorCount = 0;
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| 227 | DTDValidator* valToUse = new DTDValidator;
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| 228 | SAXParser* parser = new SAXParser(valToUse);
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| 229 | parser->setValidationScheme(valScheme);
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| 230 |
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| 231 | //
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| 232 | // Get the starting time and kick off the parse of the indicated
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| 233 | // file. Catch any exceptions that might propogate out of it.
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| 234 | //
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| 235 | int errorCode = 0;
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| 236 | try
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| 237 | {
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| 238 | parser->parse(xmlFile);
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| 239 | errorCount = parser->getErrorCount();
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| 240 | }
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| 241 | catch (const OutOfMemoryException&)
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| 242 | {
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| 243 | XERCES_STD_QUALIFIER cerr << "OutOfMemoryException" << XERCES_STD_QUALIFIER endl;
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| 244 | errorCode = 5;
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| 245 | }
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| 246 | catch (const XMLException& e)
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| 247 | {
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| 248 | XERCES_STD_QUALIFIER cerr << "\nError during parsing: '" << xmlFile << "'\n"
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| 249 | << "Exception message is: \n"
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| 250 | << StrX(e.getMessage()) << "\n" << XERCES_STD_QUALIFIER endl;
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| 251 | errorCode = 4;
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| 252 | }
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| 253 | if(errorCode) {
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| 254 | XMLPlatformUtils::Terminate();
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| 255 | return errorCode;
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| 256 | }
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| 257 |
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| 258 | if (!errorCount) {
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| 259 | //
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| 260 | // Now we will get an enumerator for the element pool from the validator
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| 261 | // and enumerate the elements, printing them as we go. For each element
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| 262 | // we get an enumerator for its attributes and print them also.
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| 263 | //
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| 264 | DTDGrammar* grammar = (DTDGrammar*) valToUse->getGrammar();
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| 265 | NameIdPoolEnumerator<DTDElementDecl> elemEnum = grammar->getElemEnumerator();
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| 266 | if (elemEnum.hasMoreElements())
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| 267 | {
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| 268 | XERCES_STD_QUALIFIER cout << "\nELEMENTS:\n----------------------------\n";
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| 269 | while(elemEnum.hasMoreElements())
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| 270 | {
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| 271 | const DTDElementDecl& curElem = elemEnum.nextElement();
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| 272 | XERCES_STD_QUALIFIER cout << " Name: " << StrX(curElem.getFullName()) << "\n";
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| 273 |
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| 274 | XERCES_STD_QUALIFIER cout << " Content Model: "
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| 275 | << StrX(curElem.getFormattedContentModel())
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| 276 | << "\n";
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| 277 |
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| 278 | // Get an enumerator for this guy's attributes if any
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| 279 | if (curElem.hasAttDefs())
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| 280 | {
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| 281 | XERCES_STD_QUALIFIER cout << " Attributes:\n";
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| 282 | XMLAttDefList& attList = curElem.getAttDefList();
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| 283 | while (attList.hasMoreElements())
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| 284 | {
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| 285 | const XMLAttDef& curAttDef = attList.nextElement();
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| 286 | XERCES_STD_QUALIFIER cout << " Name:" << StrX(curAttDef.getFullName())
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| 287 | << ", Type: ";
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| 288 |
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| 289 | // Get the type and display it
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| 290 | const XMLAttDef::AttTypes type = curAttDef.getType();
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| 291 | switch(type)
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| 292 | {
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| 293 | case XMLAttDef::CData :
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| 294 | XERCES_STD_QUALIFIER cout << "CDATA";
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| 295 | break;
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| 296 |
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| 297 | case XMLAttDef::ID :
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| 298 | XERCES_STD_QUALIFIER cout << "ID";
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| 299 | break;
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| 300 |
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| 301 | case XMLAttDef::IDRef :
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| 302 | case XMLAttDef::IDRefs :
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| 303 | XERCES_STD_QUALIFIER cout << "IDREF(S)";
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| 304 | break;
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| 305 |
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| 306 | case XMLAttDef::Entity :
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| 307 | case XMLAttDef::Entities :
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| 308 | XERCES_STD_QUALIFIER cout << "ENTITY(IES)";
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| 309 | break;
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| 310 |
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| 311 | case XMLAttDef::NmToken :
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| 312 | case XMLAttDef::NmTokens :
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| 313 | XERCES_STD_QUALIFIER cout << "NMTOKEN(S)";
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| 314 | break;
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| 315 |
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| 316 | case XMLAttDef::Notation :
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| 317 | XERCES_STD_QUALIFIER cout << "NOTATION";
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| 318 | break;
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| 319 |
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| 320 | case XMLAttDef::Enumeration :
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| 321 | XERCES_STD_QUALIFIER cout << "ENUMERATION";
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| 322 | break;
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| 323 | }
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| 324 |
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| 325 | XERCES_STD_QUALIFIER cout << "\n";
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| 326 | }
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| 327 | }
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| 328 | XERCES_STD_QUALIFIER cout << XERCES_STD_QUALIFIER endl;
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| 329 | }
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| 330 | }
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| 331 | else
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| 332 | {
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| 333 | XERCES_STD_QUALIFIER cout << "The validator has no elements to display\n" << XERCES_STD_QUALIFIER endl;
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| 334 | }
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| 335 | }
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| 336 | else
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| 337 | XERCES_STD_QUALIFIER cout << "\nErrors occurred, no output available\n" << XERCES_STD_QUALIFIER endl;
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| 338 |
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| 339 | //
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| 340 | // Delete the parser itself. Must be done prior to calling Terminate, below.
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| 341 | //
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| 342 | delete parser;
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| 343 |
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| 344 | // And call the termination method
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| 345 | XMLPlatformUtils::Terminate();
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| 346 |
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| 347 | if (errorCount > 0)
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| 348 | return 4;
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| 349 | else
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| 350 | return 0;
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| 351 | }
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| 352 |
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| 353 |
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