[2674] | 1 | /* |
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more |
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| 3 | * contributor license agreements. See the NOTICE file distributed with |
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| 4 | * this work for additional information regarding copyright ownership. |
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| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
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| 6 | * (the "License"); you may not use this file except in compliance with |
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| 7 | * the License. You may obtain a copy of the License at |
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| 8 | * |
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| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 10 | * |
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| 11 | * Unless required by applicable law or agreed to in writing, software |
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| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 14 | * See the License for the specific language governing permissions and |
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| 15 | * limitations under the License. |
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| 16 | */ |
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| 17 | |
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| 18 | /* |
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| 19 | * $Id: DGXMLScanner.hpp 568078 2007-08-21 11:43:25Z amassari $ |
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| 20 | */ |
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| 21 | |
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| 22 | |
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| 23 | #if !defined(DGXMLSCANNER_HPP) |
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| 24 | #define DGXMLSCANNER_HPP |
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| 25 | |
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| 26 | #include <xercesc/internal/XMLScanner.hpp> |
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| 27 | #include <xercesc/util/ValueVectorOf.hpp> |
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| 28 | #include <xercesc/util/NameIdPool.hpp> |
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| 29 | #include <xercesc/validators/common/Grammar.hpp> |
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| 30 | |
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| 31 | XERCES_CPP_NAMESPACE_BEGIN |
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| 32 | |
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| 33 | class DTDElementDecl; |
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| 34 | class DTDGrammar; |
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| 35 | class DTDValidator; |
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| 36 | |
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| 37 | // This is an integrated scanner class, which does DTD/XML Schema grammar |
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| 38 | // processing. |
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| 39 | class XMLPARSER_EXPORT DGXMLScanner : public XMLScanner |
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| 40 | { |
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| 41 | public : |
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| 42 | // ----------------------------------------------------------------------- |
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| 43 | // Constructors and Destructor |
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| 44 | // ----------------------------------------------------------------------- |
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| 45 | DGXMLScanner |
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| 46 | ( |
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| 47 | XMLValidator* const valToAdopt |
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| 48 | , GrammarResolver* const grammarResolver |
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| 49 | , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager |
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| 50 | ); |
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| 51 | DGXMLScanner |
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| 52 | ( |
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| 53 | XMLDocumentHandler* const docHandler |
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| 54 | , DocTypeHandler* const docTypeHandler |
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| 55 | , XMLEntityHandler* const entityHandler |
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| 56 | , XMLErrorReporter* const errReporter |
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| 57 | , XMLValidator* const valToAdopt |
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| 58 | , GrammarResolver* const grammarResolver |
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| 59 | , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager |
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| 60 | ); |
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| 61 | virtual ~DGXMLScanner(); |
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| 62 | |
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| 63 | // ----------------------------------------------------------------------- |
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| 64 | // XMLScanner public virtual methods |
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| 65 | // ----------------------------------------------------------------------- |
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| 66 | virtual const XMLCh* getName() const; |
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| 67 | virtual NameIdPool<DTDEntityDecl>* getEntityDeclPool(); |
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| 68 | virtual const NameIdPool<DTDEntityDecl>* getEntityDeclPool() const; |
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| 69 | virtual unsigned int resolveQName |
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| 70 | ( |
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| 71 | const XMLCh* const qName |
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| 72 | , XMLBuffer& prefixBufToFill |
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| 73 | , const short mode |
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| 74 | , int& prefixColonPos |
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| 75 | ); |
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| 76 | virtual void scanDocument |
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| 77 | ( |
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| 78 | const InputSource& src |
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| 79 | ); |
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| 80 | virtual bool scanNext(XMLPScanToken& toFill); |
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| 81 | virtual Grammar* loadGrammar |
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| 82 | ( |
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| 83 | const InputSource& src |
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| 84 | , const short grammarType |
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| 85 | , const bool toCache = false |
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| 86 | ); |
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| 87 | |
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| 88 | virtual Grammar::GrammarType getCurrentGrammarType() const; |
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| 89 | |
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| 90 | private : |
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| 91 | // ----------------------------------------------------------------------- |
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| 92 | // Unimplemented constructors and operators |
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| 93 | // ----------------------------------------------------------------------- |
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| 94 | DGXMLScanner(); |
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| 95 | DGXMLScanner(const DGXMLScanner&); |
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| 96 | DGXMLScanner& operator=(const DGXMLScanner&); |
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| 97 | |
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| 98 | // ----------------------------------------------------------------------- |
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| 99 | // XMLScanner virtual methods |
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| 100 | // ----------------------------------------------------------------------- |
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| 101 | virtual void scanCDSection(); |
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| 102 | virtual void scanCharData(XMLBuffer& toToUse); |
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| 103 | virtual EntityExpRes scanEntityRef |
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| 104 | ( |
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| 105 | const bool inAttVal |
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| 106 | , XMLCh& firstCh |
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| 107 | , XMLCh& secondCh |
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| 108 | , bool& escaped |
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| 109 | ); |
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| 110 | virtual void scanDocTypeDecl(); |
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| 111 | virtual void scanReset(const InputSource& src); |
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| 112 | virtual void sendCharData(XMLBuffer& toSend); |
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| 113 | virtual InputSource* resolveSystemId(const XMLCh* const sysId |
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| 114 | ,const XMLCh* const pubId); |
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| 115 | |
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| 116 | // ----------------------------------------------------------------------- |
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| 117 | // Private helper methods |
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| 118 | // ----------------------------------------------------------------------- |
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| 119 | void commonInit(); |
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| 120 | void cleanUp(); |
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| 121 | |
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| 122 | unsigned int buildAttList |
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| 123 | ( |
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| 124 | const unsigned int attCount |
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| 125 | , XMLElementDecl* elemDecl |
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| 126 | , RefVectorOf<XMLAttr>& toFill |
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| 127 | ); |
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| 128 | unsigned int resolvePrefix |
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| 129 | ( |
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| 130 | const XMLCh* const prefix |
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| 131 | , const ElemStack::MapModes mode |
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| 132 | ); |
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| 133 | void updateNSMap |
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| 134 | ( |
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| 135 | const XMLCh* const attrPrefix |
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| 136 | , const XMLCh* const attrLocalName |
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| 137 | , const XMLCh* const attrValue |
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| 138 | ); |
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| 139 | void scanAttrListforNameSpaces(RefVectorOf<XMLAttr>* theAttrList, int attCount, XMLElementDecl* elemDecl); |
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| 140 | |
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| 141 | // ----------------------------------------------------------------------- |
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| 142 | // Private scanning methods |
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| 143 | // ----------------------------------------------------------------------- |
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| 144 | bool scanAttValue |
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| 145 | ( |
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| 146 | const XMLAttDef* const attDef |
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| 147 | , const XMLCh *const attrName |
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| 148 | , XMLBuffer& toFill |
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| 149 | ); |
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| 150 | bool scanContent(); |
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| 151 | void scanEndTag(bool& gotData); |
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| 152 | bool scanStartTag(bool& gotData); |
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| 153 | bool scanStartTagNS(bool& gotData); |
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| 154 | |
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| 155 | // ----------------------------------------------------------------------- |
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| 156 | // Grammar preparsing methods |
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| 157 | // ----------------------------------------------------------------------- |
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| 158 | Grammar* loadDTDGrammar(const InputSource& src, const bool toCache = false); |
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| 159 | |
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| 160 | // ----------------------------------------------------------------------- |
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| 161 | // Data members |
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| 162 | // |
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| 163 | // fRawAttrList |
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| 164 | // During the initial scan of the attributes we can only do a raw |
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| 165 | // scan for key/value pairs. So this vector is used to store them |
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| 166 | // until they can be processed (and put into fAttrList.) |
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| 167 | // |
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| 168 | // fDTDValidator |
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| 169 | // The DTD validator instance. |
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| 170 | // |
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| 171 | // fElemState |
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| 172 | // fElemStateSize |
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| 173 | // Stores an element next state from DFA content model - used for |
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| 174 | // wildcard validation |
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| 175 | // |
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| 176 | // fDTDElemNonDeclPool |
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| 177 | // registry of "faulted-in" DTD element decls |
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| 178 | // fElemCount |
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| 179 | // count of the number of start tags seen so far (starts at 1). |
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| 180 | // Used for duplicate attribute detection/processing of required/defaulted attributes |
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| 181 | // fAttDefRegistry |
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| 182 | // mapping from XMLAttDef instances to the count of the last |
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| 183 | // start tag where they were utilized. |
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| 184 | // fUndeclaredAttrRegistry |
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| 185 | // mapping of attr QNames to the count of the last start tag in which they occurred |
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| 186 | // |
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| 187 | // ----------------------------------------------------------------------- |
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| 188 | ValueVectorOf<XMLAttr*>* fAttrNSList; |
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| 189 | DTDValidator* fDTDValidator; |
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| 190 | DTDGrammar* fDTDGrammar; |
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| 191 | NameIdPool<DTDElementDecl>* fDTDElemNonDeclPool; |
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| 192 | unsigned int fElemCount; |
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| 193 | RefHashTableOf<unsigned int>* fAttDefRegistry; |
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| 194 | RefHashTableOf<unsigned int>* fUndeclaredAttrRegistry; |
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| 195 | }; |
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| 196 | |
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| 197 | inline const XMLCh* DGXMLScanner::getName() const |
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| 198 | { |
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| 199 | return XMLUni::fgDGXMLScanner; |
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| 200 | } |
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| 201 | |
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| 202 | inline Grammar::GrammarType DGXMLScanner::getCurrentGrammarType() const |
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| 203 | { |
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| 204 | return Grammar::DTDGrammarType; |
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| 205 | } |
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| 206 | |
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| 207 | XERCES_CPP_NAMESPACE_END |
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| 208 | |
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| 209 | #endif |
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