[188] | 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) 2002 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: WFXMLScanner.hpp,v $
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| 59 | * Revision 1.9 2004/01/29 11:46:30 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 1.8 2003/10/22 20:22:30 knoaman
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| 63 | * Prepare for annotation support.
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| 64 | *
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| 65 | * Revision 1.7 2003/07/10 19:47:24 peiyongz
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| 66 | * Stateless Grammar: Initialize scanner with grammarResolver,
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| 67 | * creating grammar through grammarPool
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| 68 | *
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| 69 | * Revision 1.6 2003/05/16 21:36:57 knoaman
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| 70 | * Memory manager implementation: Modify constructors to pass in the memory manager.
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| 71 | *
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| 72 | * Revision 1.5 2003/05/15 18:26:29 knoaman
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| 73 | * Partial implementation of the configurable memory manager.
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| 74 | *
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| 75 | * Revision 1.4 2003/03/07 18:08:58 tng
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| 76 | * Return a reference instead of void for operator=
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| 77 | *
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| 78 | * Revision 1.3 2003/01/15 15:49:49 knoaman
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| 79 | * Change constant declaration name to match its value.
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| 80 | *
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| 81 | * Revision 1.2 2003/01/02 16:29:05 knoaman
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| 82 | * Modified the way we handle element tags.
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| 83 | *
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| 84 | * Revision 1.1 2002/12/04 02:01:29 knoaman
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| 85 | * Initial checkin.
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| 86 | *
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| 87 | */
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| 88 |
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| 89 |
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| 90 | #if !defined(WFXMLSCANNER_HPP)
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| 91 | #define WFXMLSCANNER_HPP
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| 92 |
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| 93 | #include <xercesc/internal/XMLScanner.hpp>
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| 94 | #include <xercesc/util/ValueHashTableOf.hpp>
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| 95 | #include <xercesc/util/ValueVectorOf.hpp>
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| 96 | #include <xercesc/validators/DTD/DTDElementDecl.hpp>
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| 97 |
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| 98 | XERCES_CPP_NAMESPACE_BEGIN
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| 99 |
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| 100 |
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| 101 | // This is a a non-validating scanner. No DOCTYPE or XML Schema processing
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| 102 | // will take place.
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| 103 | class XMLPARSER_EXPORT WFXMLScanner : public XMLScanner
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| 104 | {
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| 105 | public :
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| 106 | // -----------------------------------------------------------------------
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| 107 | // Constructors and Destructor
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| 108 | // -----------------------------------------------------------------------
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| 109 | WFXMLScanner
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| 110 | (
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| 111 | XMLValidator* const valToAdopt
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| 112 | , GrammarResolver* const grammarResolver
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| 113 | , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
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| 114 | );
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| 115 | WFXMLScanner
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| 116 | (
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| 117 | XMLDocumentHandler* const docHandler
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| 118 | , DocTypeHandler* const docTypeHandler
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| 119 | , XMLEntityHandler* const entityHandler
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| 120 | , XMLErrorReporter* const errReporter
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| 121 | , XMLValidator* const valToAdopt
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| 122 | , GrammarResolver* const grammarResolver
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| 123 | , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
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| 124 | );
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| 125 | virtual ~WFXMLScanner();
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| 126 |
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| 127 | // -----------------------------------------------------------------------
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| 128 | // XMLScanner public virtual methods
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| 129 | // -----------------------------------------------------------------------
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| 130 | virtual const XMLCh* getName() const;
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| 131 | virtual NameIdPool<DTDEntityDecl>* getEntityDeclPool();
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| 132 | virtual const NameIdPool<DTDEntityDecl>* getEntityDeclPool() const;
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| 133 | virtual unsigned int resolveQName
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| 134 | (
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| 135 | const XMLCh* const qName
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| 136 | , XMLBuffer& prefixBufToFill
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| 137 | , const short mode
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| 138 | , int& prefixColonPos
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| 139 | );
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| 140 | virtual void scanDocument
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| 141 | (
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| 142 | const InputSource& src
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| 143 | );
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| 144 | virtual bool scanNext(XMLPScanToken& toFill);
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| 145 | virtual Grammar* loadGrammar
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| 146 | (
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| 147 | const InputSource& src
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| 148 | , const short grammarType
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| 149 | , const bool toCache = false
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| 150 | );
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| 151 |
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| 152 | private :
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| 153 | // -----------------------------------------------------------------------
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| 154 | // Unimplemented constructors and operators
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| 155 | // -----------------------------------------------------------------------
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| 156 | WFXMLScanner();
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| 157 | WFXMLScanner(const WFXMLScanner&);
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| 158 | WFXMLScanner& operator=(const WFXMLScanner&);
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| 159 |
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| 160 | // -----------------------------------------------------------------------
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| 161 | // XMLScanner virtual methods
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| 162 | // -----------------------------------------------------------------------
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| 163 | virtual void scanCDSection();
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| 164 | virtual void scanCharData(XMLBuffer& toToUse);
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| 165 | virtual EntityExpRes scanEntityRef
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| 166 | (
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| 167 | const bool inAttVal
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| 168 | , XMLCh& firstCh
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| 169 | , XMLCh& secondCh
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| 170 | , bool& escaped
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| 171 | );
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| 172 | virtual void scanDocTypeDecl();
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| 173 | virtual void scanReset(const InputSource& src);
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| 174 | virtual void sendCharData(XMLBuffer& toSend);
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| 175 |
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| 176 | // -----------------------------------------------------------------------
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| 177 | // Private helper methods
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| 178 | // -----------------------------------------------------------------------
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| 179 | void commonInit();
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| 180 | void cleanUp();
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| 181 | unsigned int resolvePrefix
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| 182 | (
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| 183 | const XMLCh* const prefix
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| 184 | , const ElemStack::MapModes mode
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| 185 | );
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| 186 |
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| 187 | // -----------------------------------------------------------------------
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| 188 | // Private scanning methods
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| 189 | // -----------------------------------------------------------------------
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| 190 | bool scanAttValue
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| 191 | (
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| 192 | const XMLCh* const attrName
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| 193 | , XMLBuffer& toFill
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| 194 | );
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| 195 | bool scanContent();
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| 196 | void scanEndTag(bool& gotData);
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| 197 | bool scanStartTag(bool& gotData);
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| 198 | bool scanStartTagNS(bool& gotData);
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| 199 |
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| 200 | // -----------------------------------------------------------------------
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| 201 | // Data members
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| 202 | //
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| 203 | // fEntityTable
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| 204 | // This the table that contains the default entity entries.
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| 205 | //
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| 206 | // fAttrNameHashList
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| 207 | // This contains the hash value for attribute names. It's used when
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| 208 | // checking for duplicate attributes.
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| 209 | //
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| 210 | // fAttrNSList
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| 211 | // This contains XMLAttr objects that we need to map their prefixes
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| 212 | // to URIs when namespace is enabled.
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| 213 | //
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| 214 | // -----------------------------------------------------------------------
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| 215 | unsigned int fElementIndex;
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| 216 | RefVectorOf<XMLElementDecl>* fElements;
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| 217 | ValueHashTableOf<XMLCh>* fEntityTable;
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| 218 | ValueVectorOf<unsigned int>* fAttrNameHashList;
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| 219 | ValueVectorOf<XMLAttr*>* fAttrNSList;
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| 220 | RefHashTableOf<XMLElementDecl>* fElementLookup;
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| 221 | };
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| 222 |
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| 223 | inline const XMLCh* WFXMLScanner::getName() const
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| 224 | {
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| 225 | return XMLUni::fgWFXMLScanner;
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| 226 | }
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| 227 |
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| 228 |
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| 229 | XERCES_CPP_NAMESPACE_END
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| 230 |
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| 231 | #endif
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