204 lines
7.3 KiB
C++
204 lines
7.3 KiB
C++
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* $Id: DGXMLScanner.hpp 678409 2008-07-21 13:08:10Z borisk $
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*/
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#if !defined(XERCESC_INCLUDE_GUARD_DGXMLSCANNER_HPP)
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#define XERCESC_INCLUDE_GUARD_DGXMLSCANNER_HPP
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#include <xercesc/internal/XMLScanner.hpp>
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#include <xercesc/util/ValueVectorOf.hpp>
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#include <xercesc/util/NameIdPool.hpp>
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#include <xercesc/validators/common/Grammar.hpp>
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XERCES_CPP_NAMESPACE_BEGIN
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class DTDElementDecl;
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class DTDGrammar;
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class DTDValidator;
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// This is an integrated scanner class, which does DTD/XML Schema grammar
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// processing.
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class XMLPARSER_EXPORT DGXMLScanner : public XMLScanner
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{
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public :
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// -----------------------------------------------------------------------
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// Constructors and Destructor
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// -----------------------------------------------------------------------
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DGXMLScanner
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(
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XMLValidator* const valToAdopt
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, GrammarResolver* const grammarResolver
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, MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
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);
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DGXMLScanner
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(
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XMLDocumentHandler* const docHandler
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, DocTypeHandler* const docTypeHandler
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, XMLEntityHandler* const entityHandler
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, XMLErrorReporter* const errReporter
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, XMLValidator* const valToAdopt
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, GrammarResolver* const grammarResolver
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, MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
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);
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virtual ~DGXMLScanner();
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// -----------------------------------------------------------------------
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// XMLScanner public virtual methods
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// -----------------------------------------------------------------------
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virtual const XMLCh* getName() const;
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virtual NameIdPool<DTDEntityDecl>* getEntityDeclPool();
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virtual const NameIdPool<DTDEntityDecl>* getEntityDeclPool() const;
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virtual unsigned int resolveQName
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(
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const XMLCh* const qName
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, XMLBuffer& prefixBufToFill
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, const short mode
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, int& prefixColonPos
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);
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virtual void scanDocument
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(
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const InputSource& src
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);
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virtual bool scanNext(XMLPScanToken& toFill);
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virtual Grammar* loadGrammar
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(
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const InputSource& src
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, const short grammarType
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, const bool toCache = false
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);
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virtual Grammar::GrammarType getCurrentGrammarType() const;
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private :
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// -----------------------------------------------------------------------
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// Unimplemented constructors and operators
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// -----------------------------------------------------------------------
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DGXMLScanner();
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DGXMLScanner(const DGXMLScanner&);
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DGXMLScanner& operator=(const DGXMLScanner&);
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// -----------------------------------------------------------------------
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// XMLScanner virtual methods
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// -----------------------------------------------------------------------
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virtual void scanCDSection();
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virtual void scanCharData(XMLBuffer& toToUse);
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virtual EntityExpRes scanEntityRef
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(
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const bool inAttVal
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, XMLCh& firstCh
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, XMLCh& secondCh
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, bool& escaped
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);
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virtual void scanDocTypeDecl();
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virtual void scanReset(const InputSource& src);
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virtual void sendCharData(XMLBuffer& toSend);
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virtual InputSource* resolveSystemId(const XMLCh* const sysId
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,const XMLCh* const pubId);
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// -----------------------------------------------------------------------
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// Private helper methods
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// -----------------------------------------------------------------------
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void commonInit();
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void cleanUp();
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XMLSize_t buildAttList
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(
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const XMLSize_t attCount
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, XMLElementDecl* elemDecl
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, RefVectorOf<XMLAttr>& toFill
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);
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unsigned int resolvePrefix
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(
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const XMLCh* const prefix
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, const ElemStack::MapModes mode
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);
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void updateNSMap
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(
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const XMLCh* const attrPrefix
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, const XMLCh* const attrLocalName
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, const XMLCh* const attrValue
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);
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void scanAttrListforNameSpaces(RefVectorOf<XMLAttr>* theAttrList, XMLSize_t attCount, XMLElementDecl* elemDecl);
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// -----------------------------------------------------------------------
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// Private scanning methods
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// -----------------------------------------------------------------------
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bool scanAttValue
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(
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const XMLAttDef* const attDef
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, const XMLCh *const attrName
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, XMLBuffer& toFill
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);
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bool scanContent();
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void scanEndTag(bool& gotData);
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bool scanStartTag(bool& gotData);
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bool scanStartTagNS(bool& gotData);
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// -----------------------------------------------------------------------
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// Grammar preparsing methods
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// -----------------------------------------------------------------------
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Grammar* loadDTDGrammar(const InputSource& src, const bool toCache = false);
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// -----------------------------------------------------------------------
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// Data members
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//
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// fRawAttrList
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// During the initial scan of the attributes we can only do a raw
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// scan for key/value pairs. So this vector is used to store them
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// until they can be processed (and put into fAttrList.)
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//
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// fDTDValidator
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// The DTD validator instance.
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//
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// fDTDElemNonDeclPool
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// registry of "faulted-in" DTD element decls
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// fElemCount
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// count of the number of start tags seen so far (starts at 1).
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// Used for duplicate attribute detection/processing of required/defaulted attributes
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// fAttDefRegistry
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// mapping from XMLAttDef instances to the count of the last
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// start tag where they were utilized.
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// fUndeclaredAttrRegistry
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// mapping of attr QNames to the count of the last start tag in which they occurred
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//
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// -----------------------------------------------------------------------
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ValueVectorOf<XMLAttr*>* fAttrNSList;
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DTDValidator* fDTDValidator;
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DTDGrammar* fDTDGrammar;
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NameIdPool<DTDElementDecl>* fDTDElemNonDeclPool;
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unsigned int fElemCount;
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RefHashTableOf<unsigned int, PtrHasher>* fAttDefRegistry;
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RefHashTableOf<unsigned int>* fUndeclaredAttrRegistry;
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};
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inline const XMLCh* DGXMLScanner::getName() const
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{
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return XMLUni::fgDGXMLScanner;
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}
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inline Grammar::GrammarType DGXMLScanner::getCurrentGrammarType() const
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{
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return Grammar::DTDGrammarType;
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}
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XERCES_CPP_NAMESPACE_END
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#endif
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