secureswitools/swisistools/source/xmlparser/xerces/include/xercesc/parsers/SAX2XMLReaderImpl.hpp
changeset 0 ba25891c3a9e
child 1 c42dffbd5b4f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/secureswitools/swisistools/source/xmlparser/xerces/include/xercesc/parsers/SAX2XMLReaderImpl.hpp	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,1797 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * $Id: SAX2XMLReaderImpl.hpp 569031 2007-08-23 15:05:28Z amassari $
+ */
+
+#if !defined(SAX2XMLReaderImpl_HPP)
+#define SAX2XMLReaderImpl_HPP
+
+#include <xercesc/parsers/SAXParser.hpp>
+#include <xercesc/sax/Parser.hpp>
+#include <xercesc/framework/XMLBuffer.hpp>
+#include <xercesc/internal/VecAttributesImpl.hpp>
+#include <xercesc/sax2/SAX2XMLReader.hpp>
+#include <xercesc/util/RefStackOf.hpp>
+#include <xercesc/util/SecurityManager.hpp>
+#include <xercesc/util/ValueStackOf.hpp>
+
+XERCES_CPP_NAMESPACE_BEGIN
+
+
+class ContentHandler;
+class LexicalHandler;
+class DeclHandler;
+class GrammarResolver;
+class XMLGrammarPool;
+class XMLResourceIdentifier;
+class PSVIHandler;
+
+/**
+  * This class implements the SAX2 'XMLReader' interface and should be
+  * used by applications wishing to parse the XML files using SAX2.
+  * It allows the client program to install SAX2 handlers for event
+  * callbacks.
+  *
+  * <p>It can be used to instantiate a validating or non-validating
+  * parser, by setting a member flag.</p>
+  *
+  * we basically re-use the existing SAX1 parser code, but provide a
+  * new implementation of XMLContentHandler that raises the new
+  * SAX2 style events
+  *
+  */
+
+class PARSERS_EXPORT SAX2XMLReaderImpl :
+	public XMemory
+    , public SAX2XMLReader
+    , public XMLDocumentHandler
+    , public XMLErrorReporter
+    , public XMLEntityHandler
+    , public DocTypeHandler
+{
+public :
+    // -----------------------------------------------------------------------
+    //  Constructors and Destructor
+    // -----------------------------------------------------------------------
+    /** @name Constructors and Destructor */
+    //@{
+    /** The default constructor */
+	SAX2XMLReaderImpl(
+                            MemoryManager* const  manager = XMLPlatformUtils::fgMemoryManager
+                          , XMLGrammarPool* const gramPool = 0 
+                          );
+
+    /** The destructor */	
+	~SAX2XMLReaderImpl() ;
+   //@}
+
+    //-----------------------------------------------------------------------
+    // Implementation of SAX2XMLReader Interface
+    //-----------------------------------------------------------------------
+    //-----------------------------------------------------------------------
+    // The XMLReader interface
+    //-----------------------------------------------------------------------
+    /** @name Implementation of SAX 2.0 XMLReader interface's. */
+    //@{
+
+    /**
+      * This method returns the installed content handler.
+      *
+      * @return A pointer to the installed content handler object.
+      */
+    virtual ContentHandler* getContentHandler() const ;
+
+    /**
+      * This method returns the installed DTD handler.
+      *
+      * @return A pointer to the installed DTD handler object.
+      */
+    virtual DTDHandler* getDTDHandler() const ;
+
+    /**
+      * This method returns the installed entity resolver.
+      *
+      * @return A pointer to the installed entity resolver object.
+      */
+    virtual EntityResolver* getEntityResolver() const ;
+
+    /**
+      * This method returns the installed entity resolver.
+      *
+      * @return A pointer to the installed entity resolver object.
+      */
+    virtual XMLEntityResolver* getXMLEntityResolver() const ;
+
+    /**
+      * This method returns the installed error handler.
+      *
+      * @return A pointer to the installed error handler object.
+      */
+    virtual ErrorHandler* getErrorHandler() const ;
+
+    /**
+      * This method returns the installed PSVI handler.
+      *
+      * @return A pointer to the installed PSVI handler object.
+      */
+    virtual PSVIHandler* getPSVIHandler() const ;
+
+	/**
+     * Query the current state of any feature in a SAX2 XMLReader.
+	  *
+	  * @param name The unique identifier (URI) of the feature being set.
+	  * @return The current state of the feature.
+     * @exception SAXNotRecognizedException If the requested feature is not known.
+	  */
+	virtual bool getFeature(const XMLCh* const name) const ;
+
+	/**
+     * Query the current value of a property in a SAX2 XMLReader.
+     *
+     * The parser owns the returned pointer.  The memory allocated for
+     * the returned pointer will be destroyed when the parser is deleted.
+     *
+     * To ensure assessiblity of the returned information after the parser
+     * is deleted, callers need to copy and store the returned information
+     * somewhere else; otherwise you may get unexpected result.  Since the returned
+     * pointer is a generic void pointer, see
+     * http://xerces.apache.org/xerces-c/program-sax2.html#SAX2Properties to learn
+     * exactly what type of property value each property returns for replication.
+     *
+     * @param name The unique identifier (URI) of the property being set.
+     * @return     The current value of the property.  The pointer spans the same
+     *             life-time as the parser.  A null pointer is returned if nothing
+     *             was specified externally.
+     * @exception  SAXNotRecognizedException If the requested property is not known.
+     */
+	virtual void* getProperty(const XMLCh* const name) const ;
+
+  /**
+    * Allow an application to register a document event handler.
+    *
+    * If the application does not register a document handler, all
+    * document events reported by the SAX parser will be silently
+    * ignored (this is the default behaviour implemented by
+    * HandlerBase).
+    *
+    * Applications may register a new or different handler in the
+    * middle of a parse, and the SAX parser must begin using the new
+    * handler immediately.
+    *
+    * @param handler The document handler.
+    * @see DocumentHandler#DocumentHandler
+    * @see HandlerBase#HandlerBase
+    */
+    virtual void setContentHandler(ContentHandler* const handler) ;
+
+  /**
+    * Allow an application to register a DTD event handler.
+    *
+    * If the application does not register a DTD handler, all DTD
+    * events reported by the SAX parser will be silently ignored (this
+    * is the default behaviour implemented by HandlerBase).
+    *
+    * Applications may register a new or different handler in the middle
+    * of a parse, and the SAX parser must begin using the new handler
+    * immediately.
+    *
+    * @param handler The DTD handler.
+    * @see DTDHandler#DTDHandler
+    * @see HandlerBase#HandlerBase
+    */
+    virtual void setDTDHandler(DTDHandler* const handler) ;
+
+  /**
+    * Allow an application to register a custom entity resolver.
+    *
+    * If the application does not register an entity resolver, the
+    * SAX parser will resolve system identifiers and open connections
+    * to entities itself (this is the default behaviour implemented in
+    * DefaultHandler).
+    *
+    * Applications may register a new or different entity resolver
+    * in the middle of a parse, and the SAX parser must begin using
+    * the new resolver immediately.
+    *
+    * <i>Any previously set entity resolver is merely dropped, since the parser
+    * does not own them.  If both setEntityResolver and setXMLEntityResolver
+    * are called, then the last one is used.</i>
+    *
+    * @param resolver The object for resolving entities.
+    * @see EntityResolver#EntityResolver
+    * @see DefaultHandler#DefaultHandler
+    */
+    virtual void setEntityResolver(EntityResolver* const resolver) ;
+    
+  /** Set the entity resolver
+    *
+    * This method allows applications to install their own entity
+    * resolver. By installing an entity resolver, the applications
+    * can trap and potentially redirect references to external
+    * entities.
+    *
+    * <i>Any previously set entity resolver is merely dropped, since the parser
+    * does not own them.  If both setEntityResolver and setXMLEntityResolver
+    * are called, then the last one is used.</i>
+    *
+    * @param resolver  A const pointer to the user supplied entity
+    *                  resolver.
+    *
+    * @see #getXMLEntityResolver
+    */
+    virtual void setXMLEntityResolver(XMLEntityResolver* const resolver) ;
+
+  /**
+    * Allow an application to register an error event handler.
+    *
+    * If the application does not register an error event handler,
+    * all error events reported by the SAX parser will be silently
+    * ignored, except for fatalError, which will throw a SAXException
+    * (this is the default behaviour implemented by HandlerBase).
+    *
+    * Applications may register a new or different handler in the
+    * middle of a parse, and the SAX parser must begin using the new
+    * handler immediately.
+    *
+    * @param handler The error handler.
+    * @see ErrorHandler#ErrorHandler
+    * @see SAXException#SAXException
+    * @see HandlerBase#HandlerBase
+    */
+    virtual void setErrorHandler(ErrorHandler* const handler) ;
+
+  /**
+    * This method installs the user specified PSVI handler on
+    * the parser.
+    *
+    * @param handler A pointer to the PSVI handler to be called
+    *                when the parser comes across 'PSVI' events
+    *                as per the schema specification.
+    */
+    virtual void setPSVIHandler(PSVIHandler* const handler);
+
+  /**
+    * Set the state of any feature in a SAX2 XMLReader.
+    * Supported features in SAX2 for xerces-c are:
+    * <br>(See http://xerces.apache.org/xerces-c/program-sax2.html#SAX2Features for detail description).
+    *
+    * <br>http://xml.org/sax/features/validation (default: false)
+    * <br>http://xml.org/sax/features/namespaces (default: true)
+    * <br>http://xml.org/sax/features/namespace-prefixes (default: false)
+    * <br>http://apache.org/xml/features/validation/dynamic (default: false)
+    * <br>http://apache.org/xml/features/validation/reuse-grammar (default: false)
+    * <br>http://apache.org/xml/features/validation/schema (default: true)
+    * <br>http://apache.org/xml/features/validation/schema-full-checking (default: false)
+    * <br>http://apache.org/xml/features/nonvalidating/load-external-dtd (default: true)
+    * <br>http://apache.org/xml/features/continue-after-fatal-error (default: false)
+    * <br>http://apache.org/xml/features/validation-error-as-fatal (default: false)
+    * <br>http://apache.org/xml/features/validation/reuse-validator (Deprecated) (default: false)
+    *
+    * @param name The unique identifier (URI) of the feature.
+    * @param value The requested state of the feature (true or false).
+    * @exception SAXNotRecognizedException If the requested feature is not known.
+    * @exception SAXNotSupportedException Feature modification is not supported during parse
+    *
+    */
+	virtual void setFeature(const XMLCh* const name, const bool value) ;
+
+  /**
+    * Set the value of any property in a SAX2 XMLReader.
+    * Supported properties in SAX2 for xerces-c are:
+    * <br>(See http://xerces.apache.org/xerces-c/program-sax2.html#SAX2Properties for detail description).
+    *
+    * <br>http://apache.org/xml/properties/schema/external-schemaLocation
+    * <br>http://apache.org/xml/properties/schema/external-noNamespaceSchemaLocation.
+    *
+    * It takes a void pointer as the property value.  Application is required to initialize this void
+    * pointer to a correct type.  See http://xerces.apache.org/xerces-c/program-sax2.html#SAX2Properties
+    * to learn exactly what type of property value each property expects for processing.
+    * Passing a void pointer that was initialized with a wrong type will lead to unexpected result.
+    * If the same property is set more than once, the last one takes effect.
+    *
+    * @param name The unique identifier (URI) of the property being set.
+    * @param value The requested value for the property.  See
+    *            http://xerces.apache.org/xerces-c/program-sax2.html#SAX2Properties to learn
+    *            exactly what type of property value each property expects for processing.
+    *            Passing a void pointer that was initialized with a wrong type will lead
+    *            to unexpected result.
+    * @exception SAXNotRecognizedException If the requested property is not known.
+    * @exception SAXNotSupportedException Property modification is not supported during parse
+    */
+	virtual void setProperty(const XMLCh* const name, void* value) ;
+
+  /**
+    * Parse an XML document.
+    *
+    * The application can use this method to instruct the SAX parser
+    * to begin parsing an XML document from any valid input
+    * source (a character stream, a byte stream, or a URI).
+    *
+    * Applications may not invoke this method while a parse is in
+    * progress (they should create a new Parser instead for each
+    * additional XML document).  Once a parse is complete, an
+    * application may reuse the same Parser object, possibly with a
+    * different input source.
+    *
+    * @param source The input source for the top-level of the
+    *               XML document.
+    * @exception SAXException Any SAX exception, possibly
+    *            wrapping another exception.
+    * @exception XMLException An exception from the parser or client
+    *            handler code.
+    * @see InputSource#InputSource
+    * @see #setEntityResolver
+    * @see #setDTDHandler
+    * @see #setDocumentHandler
+    * @see #setErrorHandler
+    */
+    virtual void parse
+    (
+        const   InputSource&    source
+    ) ;
+
+  /**
+    * Parse an XML document from a system identifier (URI).
+    *
+    * This method is a shortcut for the common case of reading a
+    * document from a system identifier.  It is the exact equivalent
+    * of the following:
+    *
+    * parse(new URLInputSource(systemId));
+    *
+    * If the system identifier is a URL, it must be fully resolved
+    * by the application before it is passed to the parser.
+    *
+    * @param systemId The system identifier (URI).
+    * @exception SAXException Any SAX exception, possibly
+    *            wrapping another exception.
+    * @exception XMLException An exception from the parser or client
+    *            handler code.
+    * @see #parse(InputSource)
+    */
+    virtual void parse
+    (
+        const   XMLCh* const    systemId
+    ) ;
+
+  /**
+    * Parse an XML document from a system identifier (URI).
+    *
+    * This method is a shortcut for the common case of reading a
+    * document from a system identifier.  It is the exact equivalent
+    * of the following:
+    *
+    * parse(new URLInputSource(systemId));
+    *
+    * If the system identifier is a URL, it must be fully resolved
+    * by the application before it is passed to the parser.
+    *
+    * @param systemId The system identifier (URI).
+    * @exception SAXException Any SAX exception, possibly
+    *            wrapping another exception.
+    * @exception XMLException An exception from the parser or client
+    *            handler code.
+    * @see #parse(InputSource)
+    */
+    virtual void parse
+    (
+        const   char* const     systemId
+    ) ;
+	
+    //@}
+
+    // -----------------------------------------------------------------------
+    //  SAX 2.0-ext
+    // -----------------------------------------------------------------------
+    /** @name SAX 2.0-ext */
+    //@{
+    /**
+      * This method returns the installed declaration handler.
+      *
+      * @return A pointer to the installed declaration handler object.
+      */
+    virtual DeclHandler* getDeclarationHandler() const ;
+
+	/**
+      * This method returns the installed lexical handler.
+      *
+      * @return A pointer to the installed lexical handler object.
+      */
+    virtual LexicalHandler* getLexicalHandler() const ;
+
+   /**
+    * Allow an application to register a declaration event handler.
+    *
+    * If the application does not register a declaration handler,
+    * all events reported by the SAX parser will be silently
+    * ignored. (this is the default behaviour implemented by DefaultHandler).
+    *
+    * Applications may register a new or different handler in the
+    * middle of a parse, and the SAX parser must begin using the new
+    * handler immediately.
+    *
+    * @param handler The DTD declaration handler.
+    * @see DeclHandler#DeclHandler
+    * @see SAXException#SAXException
+    * @see DefaultHandler#DefaultHandler
+    */
+    virtual void setDeclarationHandler(DeclHandler* const handler) ;
+
+   /**
+    * Allow an application to register a lexical event handler.
+    *
+    * If the application does not register a lexical handler,
+    * all events reported by the SAX parser will be silently
+    * ignored. (this is the default behaviour implemented by HandlerBase).
+    *
+    * Applications may register a new or different handler in the
+    * middle of a parse, and the SAX parser must begin using the new
+    * handler immediately.
+    *
+    * @param handler The error handler.
+    * @see LexicalHandler#LexicalHandler
+    * @see SAXException#SAXException
+    * @see HandlerBase#HandlerBase
+    */
+    virtual void setLexicalHandler(LexicalHandler* const handler) ;
+
+    //@}
+
+    // -----------------------------------------------------------------------
+    //  Getter Methods
+    // -----------------------------------------------------------------------
+    /** @name Getter Methods (Xerces-C specific) */
+    //@{
+    /**
+	  * This method is used to get the current validator.
+	  *
+	  * <b>SAX2XMLReader assumes responsibility for the validator.  It will be
+	  * deleted when the XMLReader is destroyed.</b>
+	  *
+	  * @return A pointer to the validator.  An application should not deleted
+	  * the object returned.
+	  *
+	  */
+	virtual XMLValidator* getValidator() const ;
+    //@}
+
+    /** Get error count from the last parse operation.
+      *
+      * This method returns the error count from the last parse
+      * operation. Note that this count is actually stored in the
+      * scanner, so this method simply returns what the
+      * scanner reports.
+      *
+      * @return number of errors encountered during the latest
+      *			parse operation.
+      */
+    virtual int getErrorCount() const ;
+
+    /**
+      * This method returns the state of the parser's
+      * exit-on-First-Fatal-Error flag.
+      *
+      * <p>Or you can query the feature "http://apache.org/xml/features/continue-after-fatal-error"
+      * which indicates the opposite state.</p>
+      *
+      * @return true, if the parser is currently configured to
+      *         exit on the first fatal error, false otherwise.
+      *
+      * @see #setExitOnFirstFatalError
+      * @see #getFeature
+      */
+    virtual bool getExitOnFirstFatalError() const ;
+
+    /**
+      * This method returns the state of the parser's
+      * validation-constraint-fatal flag.
+      *
+      * <p>Or you can query the feature "http://apache.org/xml/features/validation-error-as-fatal"
+      * which means the same thing.
+      *
+      * @return true, if the parser is currently configured to
+      *         set validation constraint errors as fatal, false
+      *         otherwise.
+      *
+      * @see #setValidationContraintFatal
+      * @see #getFeature
+      */
+    virtual bool getValidationConstraintFatal() const ;
+
+    /**
+      * Retrieve the grammar that is associated with the specified namespace key
+      *
+      * @param  nameSpaceKey Namespace key
+      * @return Grammar associated with the Namespace key.
+      */
+    virtual Grammar* getGrammar(const XMLCh* const nameSpaceKey);
+
+    /**
+      * Retrieve the grammar where the root element is declared.
+      *
+      * @return Grammar where root element declared
+      */
+    virtual Grammar* getRootGrammar();
+
+    /**
+      * Returns the string corresponding to a URI id from the URI string pool.
+      *
+      * @param uriId id of the string in the URI string pool.
+      * @return URI string corresponding to the URI id.
+      */
+    virtual const XMLCh* getURIText(unsigned int uriId) const;
+
+    /**
+      * Returns the current src offset within the input source.
+      * To be used only while parsing is in progress.
+      *
+      * @return offset within the input source
+      */
+    virtual unsigned int getSrcOffset() const;
+
+    //@}
+
+    // -----------------------------------------------------------------------
+    //  Setter Methods
+    // -----------------------------------------------------------------------
+    /** @name Setter Methods (Xerces-C specific) */
+    //@{
+    /**
+	  * This method is used to set a validator.
+	  *
+	  * <b>SAX2XMLReader assumes responsibility for the validator.  It will be
+	  * deleted when the XMLReader is destroyed.</b>
+	  *
+	  * @param valueToAdopt A pointer to the validator that the reader should use.
+	  *
+	  */
+	virtual void setValidator(XMLValidator* valueToAdopt) ;
+
+    /**
+      * This method allows users to set the parser's behaviour when it
+      * encounters the first fatal error. If set to true, the parser
+      * will exit at the first fatal error. If false, then it will
+      * report the error and continue processing.
+      *
+      * <p>The default value is 'true' and the parser exits on the
+      * first fatal error.</p>
+      *
+      * <p>Or you can set the feature "http://apache.org/xml/features/continue-after-fatal-error"
+      * which has the opposite behaviour.</p>
+      *
+      * <p>If both the feature above and this function are used, the latter takes effect.</p>
+      *
+      * @param newState The value specifying whether the parser should
+      *                 continue or exit when it encounters the first
+      *                 fatal error.
+      *
+      * @see #getExitOnFirstFatalError
+      * @see #setFeature
+      */
+    virtual void setExitOnFirstFatalError(const bool newState) ;
+
+    /**
+      * This method allows users to set the parser's behaviour when it
+      * encounters a validtion constraint error. If set to true, and the
+      * the parser will treat validation error as fatal and will exit depends on the
+      * state of "getExitOnFirstFatalError". If false, then it will
+      * report the error and continue processing.
+      *
+      * Note: setting this true does not mean the validation error will be printed with
+      * the word "Fatal Error".   It is still printed as "Error", but the parser
+      * will exit if "setExitOnFirstFatalError" is set to true.
+      *
+      * <p>The default value is 'false'.</p>
+      *
+      * <p>Or you can set the feature "http://apache.org/xml/features/validation-error-as-fatal"
+      * which means the same thing.</p>
+      *
+      * <p>If both the feature above and this function are used, the latter takes effect.</p>
+      *
+      * @param newState If true, the parser will exit if "setExitOnFirstFatalError"
+      *                 is set to true.
+      *
+      * @see #getValidationConstraintFatal
+      * @see #setExitOnFirstFatalError
+      * @see #setFeature
+      */
+    virtual void setValidationConstraintFatal(const bool newState) ;
+    //@}
+
+
+    // -----------------------------------------------------------------------
+    //  Progressive scan methods
+    // -----------------------------------------------------------------------
+
+    /** @name Progressive scan methods */
+    //@{
+
+    /** Begin a progressive parse operation
+      *
+      * This method is used to start a progressive parse on a XML file.
+      * To continue parsing, subsequent calls must be to the parseNext
+      * method.
+      *
+      * It scans through the prolog and returns a token to be used on
+      * subsequent scanNext() calls. If the return value is true, then the
+      * token is legal and ready for further use. If it returns false, then
+      * the scan of the prolog failed and the token is not going to work on
+      * subsequent scanNext() calls.
+      *
+      * @param systemId A pointer to a Unicode string represting the path
+      *                 to the XML file to be parsed.
+      * @param toFill   A token maintaing state information to maintain
+      *                 internal consistency between invocation of 'parseNext'
+      *                 calls.
+      *
+      * @return 'true', if successful in parsing the prolog. It indicates the
+      *         user can go ahead with parsing the rest of the file. It
+      *         returns 'false' to indicate that the parser could parse the
+      *         prolog (which means the token will not be valid.)
+      *
+      * @see #parseNext
+      * @see #parseFirst(char*,...)
+      * @see #parseFirst(InputSource&,...)
+      */
+    virtual bool parseFirst
+    (
+        const   XMLCh* const    systemId
+        ,       XMLPScanToken&  toFill
+    ) ;
+
+    /** Begin a progressive parse operation
+      *
+      * This method is used to start a progressive parse on a XML file.
+      * To continue parsing, subsequent calls must be to the parseNext
+      * method.
+      *
+      * It scans through the prolog and returns a token to be used on
+      * subsequent scanNext() calls. If the return value is true, then the
+      * token is legal and ready for further use. If it returns false, then
+      * the scan of the prolog failed and the token is not going to work on
+      * subsequent scanNext() calls.
+      *
+      * @param systemId A pointer to a regular native string represting
+      *                 the path to the XML file to be parsed.
+      * @param toFill   A token maintaing state information to maintain
+      *                 internal consIstency between invocation of 'parseNext'
+      *                 calls.
+      *
+      * @return 'true', if successful in parsing the prolog. It indicates the
+      *         user can go ahead with parsing the rest of the file. It
+      *         returns 'false' to indicate that the parser could not parse
+      *         the prolog.
+      *
+      * @see #parseNext
+      * @see #parseFirst(XMLCh*,...)
+      * @see #parseFirst(InputSource&,...)
+      */
+    virtual bool parseFirst
+    (
+        const   char* const     systemId
+        ,       XMLPScanToken&  toFill
+    ) ;
+
+    /** Begin a progressive parse operation
+      *
+      * This method is used to start a progressive parse on a XML file.
+      * To continue parsing, subsequent calls must be to the parseNext
+      * method.
+      *
+      * It scans through the prolog and returns a token to be used on
+      * subsequent scanNext() calls. If the return value is true, then the
+      * token is legal and ready for further use. If it returns false, then
+      * the scan of the prolog failed and the token is not going to work on
+      * subsequent scanNext() calls.
+      *
+      * @param source   A const reference to the InputSource object which
+      *                 points to the XML file to be parsed.
+      * @param toFill   A token maintaing state information to maintain
+      *                 internal consistency between invocation of 'parseNext'
+      *                 calls.
+      *
+      * @return 'true', if successful in parsing the prolog. It indicates the
+      *         user can go ahead with parsing the rest of the file. It
+      *         returns 'false' to indicate that the parser could not parse
+      *         the prolog.
+      *
+      * @see #parseNext
+      * @see #parseFirst(XMLCh*,...)
+      * @see #parseFirst(char*,...)
+      */
+    virtual bool parseFirst
+    (
+        const   InputSource&    source
+        ,       XMLPScanToken&  toFill
+    ) ;
+
+    /** Continue a progressive parse operation
+      *
+      * This method is used to continue with progressive parsing of
+      * XML files started by a call to 'parseFirst' method.
+      *
+      * It parses the XML file and stops as soon as it comes across
+      * a XML token (as defined in the XML specification). Relevant
+      * callback handlers are invoked as required by the SAX
+      * specification.
+      *
+      * @param token A token maintaing state information to maintain
+      *              internal consistency between invocation of 'parseNext'
+      *              calls.
+      *
+      * @return 'true', if successful in parsing the next XML token.
+      *         It indicates the user can go ahead with parsing the rest
+      *         of the file. It returns 'false' to indicate that the parser
+      *         could not find next token as per the XML specification
+      *         production rule.
+      *
+      * @see #parseFirst(XMLCh*,...)
+      * @see #parseFirst(char*,...)
+      * @see #parseFirst(InputSource&,...)
+      */
+    virtual bool parseNext(XMLPScanToken& token) ;
+
+    /** Reset the parser after a progressive parse
+      *
+      * If a progressive parse loop exits before the end of the document
+      * is reached, the parser has no way of knowing this. So it will leave
+      * open any files or sockets or memory buffers that were in use at
+      * the time that the parse loop exited.
+      *
+      * The next parse operation will cause these open files and such to
+      * be closed, but the next parse operation might occur at some unknown
+      * future point. To avoid this problem, you should reset the parser if
+      * you exit the loop early.
+      *
+      * If you exited because of an error, then this cleanup will be done
+      * for you. Its only when you exit the file prematurely of your own
+      * accord, because you've found what you wanted in the file most
+      * likely.
+      *
+      * @param token A token maintaing state information to maintain
+      *              internal consistency between invocation of 'parseNext'
+      *              calls.
+      */
+    virtual void parseReset(XMLPScanToken& token) ;
+
+    //@}
+
+    // -----------------------------------------------------------------------
+    //  Implementation of the grammar preparsing interface
+    // -----------------------------------------------------------------------
+
+    /** @name Implementation of Grammar preparsing interface's. */
+    //@{
+    /**
+      * Preparse schema grammar (XML Schema, DTD, etc.) via an input source
+      * object.
+      *
+      * This method invokes the preparsing process on a schema grammar XML
+      * file specified by the SAX InputSource parameter.
+      *
+      * <p><b>"Experimental - subject to change"</b></p>
+      *
+      * @param source A const reference to the SAX InputSource object which
+      *               points to the schema grammar file to be preparsed.
+      * @param grammarType The grammar type (Schema or DTD).
+      * @param toCache If <code>true</code>, we cache the preparsed grammar,
+      *                otherwise, no chaching. Default is <code>false</code>.
+      * @return The preparsed schema grammar object (SchemaGrammar or
+      *         DTDGrammar). That grammar object is owned by the parser.
+      *
+      * @exception SAXException Any SAX exception, possibly
+      *            wrapping another exception.
+      * @exception XMLException An exception from the parser or client
+      *            handler code.
+      * @exception DOMException A DOM exception as per DOM spec.
+      *
+      * @see InputSource#InputSource
+      */
+    virtual Grammar* loadGrammar(const InputSource& source,
+                                 const short grammarType,
+                                 const bool toCache = false);
+
+    /**
+      * Preparse schema grammar (XML Schema, DTD, etc.) via a file path or URL
+      *
+      * This method invokes the preparsing process on a schema grammar XML
+      * file specified by the file path parameter.
+      *
+      * <p><b>"Experimental - subject to change"</b></p>
+      *
+      * @param systemId A const XMLCh pointer to the Unicode string which
+      *                 contains the path to the XML grammar file to be
+      *                 preparsed.
+      * @param grammarType The grammar type (Schema or DTD).
+      * @param toCache If <code>true</code>, we cache the preparsed grammar,
+      *                otherwise, no chaching. Default is <code>false</code>.
+      * @return The preparsed schema grammar object (SchemaGrammar or
+      *         DTDGrammar). That grammar object is owned by the parser.
+      *
+      * @exception SAXException Any SAX exception, possibly
+      *            wrapping another exception.
+      * @exception XMLException An exception from the parser or client
+      *            handler code.
+      * @exception DOMException A DOM exception as per DOM spec.
+      */
+    virtual Grammar* loadGrammar(const XMLCh* const systemId,
+                                 const short grammarType,
+                                 const bool toCache = false);
+
+    /**
+      * Preparse schema grammar (XML Schema, DTD, etc.) via a file path or URL
+      *
+      * This method invokes the preparsing process on a schema grammar XML
+      * file specified by the file path parameter.
+      *
+      * <p><b>"Experimental - subject to change"</b></p>
+      *
+      * @param systemId A const char pointer to a native string which contains
+      *                 the path to the XML grammar file to be preparsed.
+      * @param grammarType The grammar type (Schema or DTD).
+      * @param toCache If <code>true</code>, we cache the preparsed grammar,
+      *                otherwise, no chaching. Default is <code>false</code>.
+      * @return The preparsed schema grammar object (SchemaGrammar or
+      *         DTDGrammar). That grammar object is owned by the parser.
+      *
+      * @exception SAXException Any SAX exception, possibly
+      *            wrapping another exception.
+      * @exception XMLException An exception from the parser or client
+      *            handler code.
+      * @exception DOMException A DOM exception as per DOM spec.
+      */
+    virtual Grammar* loadGrammar(const char* const systemId,
+                                 const short grammarType,
+                                 const bool toCache = false);
+
+    /**
+      * Clear the cached grammar pool
+      */
+    virtual void resetCachedGrammarPool();
+
+    /** Set maximum input buffer size
+      *
+      * This method allows users to limit the size of buffers used in parsing
+      * XML character data. The effect of setting this size is to limit the
+      * size of a ContentHandler::characters() call.
+      *
+      * The parser's default input buffer size is 1 megabyte.
+      *
+      * @param bufferSize The maximum input buffer size
+      */
+    virtual void setInputBufferSize(const size_t bufferSize);
+
+    //@}
+
+
+    // -----------------------------------------------------------------------
+    //  Advanced document handler list maintenance methods
+    // -----------------------------------------------------------------------
+
+    /** @name Advanced document handler list maintenance methods */
+    //@{
+    /**
+      * This method installs the specified 'advanced' document callback
+      * handler, thereby allowing the user to customize the processing,
+      * if they choose to do so. Any number of advanced callback handlers
+      * maybe installed.
+      *
+      * <p>The methods in the advanced callback interface represent
+      * Xerces-C extensions. There is no specification for this interface.</p>
+      *
+      * @param toInstall A pointer to the users advanced callback handler.
+      *
+      * @see #removeAdvDocHandler
+      */
+    virtual void installAdvDocHandler(XMLDocumentHandler* const toInstall) ;
+
+    /**
+      * This method removes the 'advanced' document handler callback from
+      * the underlying parser scanner. If no handler is installed, advanced
+      * callbacks are not invoked by the scanner.
+      * @param toRemove A pointer to the advanced callback handler which
+      *                 should be removed.
+      *
+      * @see #installAdvDocHandler
+      */
+    virtual bool removeAdvDocHandler(XMLDocumentHandler* const toRemove) ;
+    //@}
+
+	// -----------------------------------------------------------------------
+    //  Implementation of the XMLDocumentHandler interface
+    // -----------------------------------------------------------------------
+    /** @name Implementation of the XMLDocumentHandler Interface. */
+    //@{
+    /**
+      * This method is used to report all the characters scanned
+      * by the parser. The driver will invoke the 'characters'
+      * method of the user installed SAX Document Handler.
+      *
+      * <p>If any advanced callback handlers are installed, the
+      * corresponding 'docCharacters' method will also be invoked.</p>
+      *
+      * @param chars   A const pointer to a Unicode string representing the
+      *                character data.
+      * @param length  The length of the Unicode string returned in 'chars'.
+      * @param cdataSection  A flag indicating if the characters represent
+      *                      content from the CDATA section.
+      * @see DocumentHandler#characters
+      */
+    virtual void docCharacters
+    (
+        const   XMLCh* const    chars
+        , const unsigned int    length
+        , const bool            cdataSection
+    );
+
+    /**
+      * This method is used to report any comments scanned by the parser.
+      * This method is a no-op unless, unless an advanced callback handler
+      * is installed, in which case the corresponding 'docComment' method
+      * is invoked.
+      *
+      * @param comment A const pointer to a null terminated Unicode
+      *                string representing the comment text.
+      */
+    virtual void docComment
+    (
+        const   XMLCh* const    comment
+    );
+
+    /**
+      * This method is used to report any PI scanned by the parser.
+      *
+      * <p>Any PI's occurring before any 'content' are not reported
+      * to any SAX handler as per the specification. However, all
+      * PI's within content are reported via the SAX Document Handler's
+      * 'processingInstruction' method.
+      *
+      * <p>If any advanced callback handlers are installed, the
+      * corresponding 'docPI' method will be invoked.</p>
+      *
+      * @param target A const pointer to a Unicode string representing the
+      *               target of the PI declaration.
+      * @param data   A const pointer to a Unicode string representing the
+      *               data of the PI declaration. See the PI production rule
+      *               in the XML specification for details.
+      *
+      * @see DocumentHandler#processingInstruction
+      */
+    virtual void docPI
+    (
+        const   XMLCh* const    target
+        , const XMLCh* const    data
+    );
+
+    /**
+      * This method is used to indicate the end of root element
+      * was just scanned by the parser. Corresponding 'endDocument'
+      * method of the user installed SAX Document Handler will also
+      * be invoked.
+      *
+      * <p>In addition, if any advanced callback handlers are installed,
+      * the corresponding 'endDocument' method is invoked.</p>
+      *
+      * @see DocumentHandler#endDocument
+      */
+    virtual void endDocument();
+
+    /**
+      * This method is used to indicate the end tag of an element.
+      * The driver will invoke the corresponding 'endElement' method of
+      * the SAX Document Handler interface.
+      *
+      * <p>If any advanced callback handlers are installed, the
+      * corresponding 'endElement' method is also invoked.</p>
+      *
+      * @param elemDecl A const reference to the object containing element
+      *                 declaration information.
+      * @param urlId    An id referring to the namespace prefix, if
+      *                 namespaces setting is switched on.
+      * @param isRoot   A flag indicating whether this element was the
+      *                 root element.
+      * @param elemPrefix A const pointer to a Unicode string containing
+      *                   the namespace prefix for this element. Applicable
+      *                   only when namespace processing is enabled.
+      * @see DocumentHandler#endElement
+      */
+    virtual void endElement
+    (
+        const   XMLElementDecl& elemDecl
+        , const unsigned int    urlId
+        , const bool            isRoot
+        , const XMLCh* const    elemPrefix=0
+    );
+
+    /**
+      * This method is used to indicate that an end of an entity reference
+      * was just scanned.
+      *
+      * <p>If any advanced callback handlers are installed, the
+      * corresponding 'endEnityReference' method is invoked.</p>
+      *
+      * @param entDecl A const reference to the object containing the
+      *                entity declaration information.
+      */
+    virtual void endEntityReference
+    (
+        const   XMLEntityDecl&  entDecl
+    );
+
+    /**
+      * This method is used to report all the whitespace characters,
+      * which are determined to be 'ignorable'. This distinction
+      * between characters is only made, if validation is enabled.
+      * Corresponding 'ignorableWhitespace' method of the user installed
+      * SAX Document Handler interface is called.
+      *
+      * <p>Any whitespace before content is not reported to the SAX
+      * Document Handler method, as per the SAX specification.
+      * However, if any advanced callback handlers are installed, the
+      * corresponding 'ignorableWhitespace' method is invoked.</p>
+      *
+      * @param chars   A const pointer to a Unicode string representing the
+      *                ignorable whitespace character data.
+      * @param length  The length of the Unicode string 'chars'.
+      * @param cdataSection  A flag indicating if the characters represent
+      *                      content from the CDATA section.
+      * @see DocumentHandler#ignorableWhitespace
+      */
+    virtual void ignorableWhitespace
+    (
+        const   XMLCh* const    chars
+        , const unsigned int    length
+        , const bool            cdataSection
+    );
+
+    /**
+      * This method allows the user installed Document Handler and
+      * any advanced callback handlers to 'reset' themselves.
+      */
+    virtual void resetDocument();
+
+    /**
+      * This method is used to report the start of the parsing process.
+      * The corresponding user installed SAX Document Handler's method
+      * 'startDocument' is invoked.
+      *
+      * <p>If any advanced callback handlers are installed, then the
+      * corresponding 'startDocument' method is also called.</p>
+      *
+      * @see DocumentHandler#startDocument
+      */
+    virtual void startDocument();
+
+    /**
+      * This method is used to report the start of an element. It is
+      * called at the end of the element, by which time all attributes
+      * specified are also parsed. The corresponding user installed
+      * SAX Document Handler's method 'startElement' is invoked.
+      *
+      * <p>If any advanced callback handlers are installed, then the
+      * corresponding 'startElement' method is also called.</p>
+      *
+      * @param elemDecl A const reference to the object containing element
+      *                 declaration information.
+      * @param urlId    An id referring to the namespace prefix, if
+      *                 namespaces setting is switched on.
+      * @param elemPrefix A const pointer to a Unicode string containing
+      *                   the namespace prefix for this element. Applicable
+      *                   only when namespace processing is enabled.
+      * @param attrList  A const reference to the object containing the
+      *                  list of attributes just scanned for this element.
+      * @param attrCount A count of number of attributes in the list
+      *                  specified by the parameter 'attrList'.
+      * @param isEmpty  A flag indicating whether this is an empty element
+      *                 or not.
+      * @param isRoot   A flag indicating whether this element was the
+      *                 root element.
+      * @see DocumentHandler#startElement
+      */
+    virtual void startElement
+    (
+        const   XMLElementDecl&         elemDecl
+        , const unsigned int            urlId
+        , const XMLCh* const            elemPrefix
+        , const RefVectorOf<XMLAttr>&   attrList
+        , const unsigned int            attrCount
+        , const bool                    isEmpty
+        , const bool                    isRoot
+    );
+
+    /**
+      * This method is used to indicate the start of an entity reference.
+      *
+      * <p>If any advanced callback handlers are installed, the
+      * corresponding 'endEnityReference' method is invoked.</p>
+      *
+      * @param entDecl A const reference to the object containing the
+      *                entity declaration information.
+      */
+    virtual void startEntityReference
+    (
+        const   XMLEntityDecl&  entDecl
+    );
+
+    /**
+      * This method is used to report the XML decl scanned by the parser.
+      * Refer to the XML specification to see the meaning of parameters.
+      *
+      * <b><font color="#FF0000">This method is a no-op for this SAX driver
+      * implementation.</font></b>
+      *
+      * @param versionStr A const pointer to a Unicode string representing
+      *                   version string value.
+      * @param encodingStr A const pointer to a Unicode string representing
+      *                    the encoding string value.
+      * @param standaloneStr A const pointer to a Unicode string
+      *                      representing the standalone string value.
+      * @param actualEncodingStr A const pointer to a Unicode string
+      *                          representing the actual encoding string
+      *                          value.
+      */
+    virtual void XMLDecl
+    (
+        const   XMLCh* const    versionStr
+        , const XMLCh* const    encodingStr
+        , const XMLCh* const    standaloneStr
+        , const XMLCh* const    actualEncodingStr
+    );
+    //@}
+
+
+    // -----------------------------------------------------------------------
+    //  Implementation of the XMLErrorReporter interface
+    // -----------------------------------------------------------------------
+
+    /** @name Implementation of the XMLErrorReporter Interface. */
+    //@{
+    /**
+      * This method is used to report back errors found while parsing the
+      * XML file. The driver will call the corresponding user installed
+      * SAX Error Handler methods: 'fatal', 'error', 'warning' depending
+      * on the severity of the error. This classification is defined by
+      * the XML specification.
+      *
+      * @param errCode An integer code for the error.
+      * @param msgDomain A const pointer to an Unicode string representing
+      *                  the message domain to use.
+      * @param errType An enumeration classifying the severity of the error.
+      * @param errorText A const pointer to an Unicode string representing
+      *                  the text of the error message.
+      * @param systemId  A const pointer to an Unicode string representing
+      *                  the system id of the XML file where this error
+      *                  was discovered.
+      * @param publicId  A const pointer to an Unicode string representing
+      *                  the public id of the XML file where this error
+      *                  was discovered.
+      * @param lineNum   The line number where the error occurred.
+      * @param colNum    The column number where the error occurred.
+      * @see ErrorHandler
+      */
+    virtual void error
+    (
+        const   unsigned int                errCode
+        , const XMLCh* const                msgDomain
+        , const XMLErrorReporter::ErrTypes  errType
+        , const XMLCh* const                errorText
+        , const XMLCh* const                systemId
+        , const XMLCh* const                publicId
+        , const XMLSSize_t                   lineNum
+        , const XMLSSize_t                   colNum
+    );
+
+    /**
+      * This method allows the user installed Error Handler
+      * callback to 'reset' itself.
+      *
+      * <b><font color="#FF0000">This method is a no-op for this SAX driver
+      * implementation.</font></b>
+      *
+      */
+    virtual void resetErrors();
+    //@}
+
+
+    // -----------------------------------------------------------------------
+    //  Implementation of the XMLEntityHandler interface
+    // -----------------------------------------------------------------------
+
+    /** @name Implementation of the XMLEntityHandler Interface. */
+    //@{
+    /**
+      * This method is used to indicate the end of parsing of an external
+      * entity file.
+      *
+      * <b><font color="#FF0000">This method is a no-op for this SAX driver
+      * implementation.</font></b>
+      *
+      * @param inputSource A const reference to the InputSource object
+      *                    which points to the XML file being parsed.
+      * @see InputSource
+      */
+    virtual void endInputSource(const InputSource& inputSource);
+
+    /**
+      * This method allows an installed XMLEntityHandler to further
+      * process any system id's of enternal entities encountered in
+      * the XML file being parsed, such as redirection etc.
+      *
+      * <b><font color="#FF0000">This method always returns 'false'
+      * for this SAX driver implementation.</font></b>
+      *
+      * @param systemId  A const pointer to an Unicode string representing
+      *                  the system id scanned by the parser.
+      * @param toFill    A pointer to a buffer in which the application
+      *                  processed system id is stored.
+      * @return 'true', if any processing is done, 'false' otherwise.
+      */
+    virtual bool expandSystemId
+    (
+        const   XMLCh* const    systemId
+        ,       XMLBuffer&      toFill
+    );
+
+    /**
+      * This method allows the installed XMLEntityHandler to reset
+      * itself.
+      *
+      * <b><font color="#FF0000">This method is a no-op for this SAX driver
+      * implementation.</font></b>
+      */
+    virtual void resetEntities();
+
+    /**
+      * This method allows a user installed entity handler to further
+      * process any pointers to external entities. The applications
+      * can implement 'redirection' via this callback. The driver
+      * should call the SAX EntityHandler 'resolveEntity' method.
+      *
+      * @deprecated This method is no longer called (the other resolveEntity one is).
+      *
+      * @param publicId A const pointer to a Unicode string representing the
+      *                 public id of the entity just parsed.
+      * @param systemId A const pointer to a Unicode string representing the
+      *                 system id of the entity just parsed.
+      * @param baseURI  A const pointer to a Unicode string representing the
+      *                 base URI of the entity just parsed,
+      *                 or <code>null</code> if there is no base URI.
+      * @return The value returned by the SAX resolveEntity method or
+      *         NULL otherwise to indicate no processing was done.
+      *         The returned InputSource is owned by the parser which is
+      *         responsible to clean up the memory.
+      * @see EntityResolver
+      * @see XMLEntityHandler
+      */
+    virtual InputSource* resolveEntity
+    (
+        const   XMLCh* const    publicId
+        , const XMLCh* const    systemId
+        , const XMLCh* const    baseURI = 0
+    );
+
+    /** Resolve a public/system id
+      *
+      * This method allows a user installed entity handler to further
+      * process any pointers to external entities. The applications can
+      * implement 'redirection' via this callback.  
+      *
+      * @param resourceIdentifier An object containing the type of
+      *        resource to be resolved and the associated data members
+      *        corresponding to this type.
+      * @return The value returned by the user installed resolveEntity
+      *         method or NULL otherwise to indicate no processing was done.
+      *         The returned InputSource is owned by the parser which is
+      *         responsible to clean up the memory.
+      * @see XMLEntityHandler
+      * @see XMLEntityResolver
+      */
+    virtual InputSource* resolveEntity
+    (
+        XMLResourceIdentifier* resourceIdentifier
+    );
+
+    /**
+      * This method is used to indicate the start of parsing an
+      * external entity file.
+      *
+      * <b><font color="#FF0000">This method is a no-op for this SAX driver
+      * implementation.</font></b>
+      *
+      * @param inputSource A const reference to the InputSource object
+      *                    which points to the external entity
+      *                    being parsed.
+      */
+    virtual void startInputSource(const InputSource& inputSource);
+    //@}
+
+    // -----------------------------------------------------------------------
+    //  Implementation of the Deprecated DocTypeHandler Interface
+    // -----------------------------------------------------------------------
+
+    /** @name Implementation of the deprecated DocTypeHandler Interface */
+    //@{
+    /**
+      * This method is used to report an attribute definition.
+      *
+      * <b><font color="#FF0000">This method is a no-op for this SAX
+      * driver implementation.</font></b>
+      *
+      * @param elemDecl A const reference to the object containing information
+      *                 about the element whose attribute definition was just
+      *                 parsed.
+      * @param attDef   A const reference to the object containing information
+      *                 attribute definition.
+      * @param ignore   The flag indicating whether this attribute definition
+      *                 was ignored by the parser or not.
+      */
+    virtual void attDef
+    (
+        const   DTDElementDecl& elemDecl
+        , const DTDAttDef&      attDef
+        , const bool            ignoring
+    );
+
+    /**
+      * This method is used to report a comment occurring within the DTD.
+      *
+      * <b><font color="#FF0000">This method is a no-op for this SAX driver
+      * implementation.</font></b>
+      *
+      * @param comment  A const pointer to a Unicode string representing the
+      *                 text of the comment just parsed.
+      */
+    virtual void doctypeComment
+    (
+        const   XMLCh* const    comment
+    );
+
+    /**
+      * This method is used to report the DOCTYPE declaration.
+      *
+      * <b><font color="#FF0000">This method is a no-op for this SAX driver
+      * implementation.</font></b>
+      *
+      * @param elemDecl A const reference to the object containing information
+      *                 about the root element definition declaration of the
+      *                 XML document being parsed.
+      * @param publicId A const pointer to a Unicode string representing the
+      *                 public id of the DTD file.
+      * @param systemId A const pointer to a Unicode string representing the
+      *                 system id of the DTD file.
+      * @param hasIntSubset A flag indicating if this XML file contains any
+      *                     internal subset.
+      * @param hasExtSubset A flag indicating if this XML file contains any
+      *                     external subset. Default is false.
+      */
+    virtual void doctypeDecl
+    (
+        const   DTDElementDecl& elemDecl
+        , const XMLCh* const    publicId
+        , const XMLCh* const    systemId
+        , const bool            hasIntSubset
+        , const bool            hasExtSubset = false
+    );
+
+    /**
+      * This method is used to report any PI declarations
+      * occurring inside the DTD definition block.
+      *
+      * <b><font color="#FF0000">This method is a no-op for this SAX driver
+      * implementation.</font></b>
+      *
+      * @param target A const pointer to a Unicode string representing the
+      *               target of the PI declaration.
+      * @param data   A const pointer to a Unicode string representing the
+      *               data of the PI declaration. See the PI production rule
+      *               in the XML specification for details.
+      */
+    virtual void doctypePI
+    (
+        const   XMLCh* const    target
+        , const XMLCh* const    data
+    );
+
+    /**
+      * This method is used to report any whitespaces
+      * occurring inside the DTD definition block.
+      *
+      * <b><font color="#FF0000">This method is a no-op for this SAX driver
+      * implementation.</font></b>
+      *
+      * @param chars  A const pointer to a Unicode string representing the
+      *               whitespace characters.
+      * @param length The length of the whitespace Unicode string.
+      */
+    virtual void doctypeWhitespace
+    (
+        const   XMLCh* const    chars
+        , const unsigned int    length
+    );
+
+    /**
+      * This method is used to report an element declarations
+      * successfully scanned by the parser.
+      *
+      * <b><font color="#FF0000">This method is a no-op for this SAX driver
+      * implementation.</font></b>
+      *
+      * @param decl   A const reference to the object containing element
+      *               declaration information.
+      * @param isIgnored The flag indicating whether this definition was
+      *                  ignored by the parser or not.
+      */
+    virtual void elementDecl
+    (
+        const   DTDElementDecl& decl
+        , const bool            isIgnored
+    );
+
+    /**
+      * This method is used to report the end of an attribute
+      * list declaration for an element.
+      *
+      * <b><font color="#FF0000">This method is a no-op for this SAX driver
+      * implementation.</font></b>
+      *
+      * @param elemDecl A const reference to the object containing element
+      *                 declaration information.
+      */
+    virtual void endAttList
+    (
+        const   DTDElementDecl& elemDecl
+    );
+
+    /**
+      * This method is used to report the end of the internal subset.
+      *
+      * <b><font color="#FF0000">This method is a no-op for this SAX driver
+      * implementation.</font></b>
+      */
+    virtual void endIntSubset();
+
+    /**
+      * This method is used to report the end of the external subset.
+      *
+      * <b><font color="#FF0000">This method is a no-op for this SAX driver
+      * implementation.</font></b>
+      */
+    virtual void endExtSubset();
+
+    /**
+      * This method is used to report any entity declarations.
+      * For unparsed entities, this driver will invoke the
+      * SAX DTDHandler::unparsedEntityDecl callback.
+      *
+      * @param entityDecl A const reference to the object containing
+      *                   the entity declaration information.
+      * @param isPEDecl  The flag indicating whether this was a
+      *                  parameter entity declaration or not.
+      * @param isIgnored The flag indicating whether this definition
+      *                  was ignored by the parser or not.
+      *
+      * @see DTDHandler#unparsedEntityDecl
+      */
+    virtual void entityDecl
+    (
+        const   DTDEntityDecl&  entityDecl
+        , const bool            isPEDecl
+        , const bool            isIgnored
+    );
+
+    /**
+      * This method allows the user installed DTD handler to
+      * reset itself.
+      */
+    virtual void resetDocType();
+
+    /**
+      * This method is used to report any notation declarations.
+      * If there is a user installed DTDHandler, then the driver will
+      * invoke the SAX DTDHandler::notationDecl callback.
+      *
+      * @param notDecl A const reference to the object containing the notation
+      *                declaration information.
+      * @param isIgnored The flag indicating whether this definition was ignored
+      *                  by the parser or not.
+      *
+      * @see DTDHandler#notationDecl
+      */
+    virtual void notationDecl
+    (
+        const   XMLNotationDecl&    notDecl
+        , const bool                isIgnored
+    );
+
+    /**
+      * This method is used to indicate the start of an element's attribute
+      * list declaration.
+      *
+      * <b><font color="#FF0000">This method is a no-op for this SAX driver
+      * implementation.</font></b>
+      *
+      * @param elemDecl A const reference to the object containing element
+      *                 declaration information.
+      */
+    virtual void startAttList
+    (
+        const   DTDElementDecl& elemDecl
+    );
+
+    /**
+      * This method is used indicate the start of the internal subset.
+      *
+      * <b><font color="#FF0000">This method is a no-op for this SAX driver
+      * implementation.</font></b>
+      */
+    virtual void startIntSubset();
+
+    /**
+      * This method is used indicate the start of the external subset.
+      *
+      * <b><font color="#FF0000">This method is a no-op for this SAX driver
+      * implementation.</font></b>
+      */
+    virtual void startExtSubset();
+
+    /**
+      * This method is used to report the TextDecl. Refer to the XML
+      * specification for the syntax of a TextDecl.
+      *
+      * <b><font color="#FF0000">This method is a no-op for this SAX driver
+      * implementation.</font></b>
+      *
+      * @param versionStr A const pointer to a Unicode string representing
+      *                   the version number of the 'version' clause.
+      * @param encodingStr A const pointer to a Unicode string representing
+      *                    the encoding name of the 'encoding' clause.
+      */
+    virtual void TextDecl
+    (
+        const   XMLCh* const    versionStr
+        , const XMLCh* const    encodingStr
+    );
+    //@}
+
+
+private :
+    // -----------------------------------------------------------------------
+    //  Unimplemented constructors and operators
+    // -----------------------------------------------------------------------
+    SAX2XMLReaderImpl(const SAX2XMLReaderImpl&);
+    SAX2XMLReaderImpl& operator=(const SAX2XMLReaderImpl&);
+
+    // -----------------------------------------------------------------------
+    //  Initialize/Cleanup methods
+    // -----------------------------------------------------------------------
+    void initialize();
+    void cleanUp();
+    void resetInProgress();
+
+    // -----------------------------------------------------------------------
+    //  Private data members
+    //
+    //  fAttrList
+    //      A temporary implementation of the basic SAX2 Attributes
+    //      interface. We use this one over and over on each startElement
+    //      event to allow SAX-like access to the element attributes.
+    //
+    //  fDocHandler
+    //      The installed SAX content handler, if any. Null if none.
+    //
+    //  fnamespacePrefix
+    //      Indicates whether the namespace-prefix feature is on or off.
+    //
+    //  fautoValidation
+    //      Indicates whether automatic validation is on or off
+    //
+    //  fValidation
+    //      Indicates whether the 'validation' core features is on or off
+    //
+    //  fReuseGrammar
+    //      Tells the parser whether it should reuse the grammar or not.
+    //      If true, there cannot be any internal subset.
+    //
+    //	fPrefixesStorage
+    //		the namespace prefixes will be allocated from this pool
+    //
+    //	fPrefixes
+    //		A Stack of the current namespace prefixes that need calls to
+    //		endPrefixMapping
+    //
+    //	fPrefixCounts
+    //		A Stack of the number of prefixes that need endPrefixMapping
+    //		calls for that element
+    //
+    //  fDTDHandler
+    //      The installed SAX DTD handler, if any. Null if none.
+    //
+    //  fElemDepth
+    //      This is used to track the element nesting depth, so that we can
+    //      know when we are inside content. This is so we can ignore char
+    //      data outside of content.
+    //
+    //  fEntityResolver
+    //      The installed SAX entity handler, if any. Null if none.
+    //
+    //  fErrorHandler
+    //      The installed SAX error handler, if any. Null if none.
+    //
+    //  fLexicalHandler
+    //      The installed SAX lexical handler, if any.  Null if none.
+    //
+    //  fDecllHandler
+    //      The installed SAX declaration handler, if any.  Null if none.
+    //
+    //  fAdvDHCount
+    //  fAdvDHList
+    //  fAdvDHListSize
+    //      This is an array of pointers to XMLDocumentHandlers, which is
+    //      how we see installed advanced document handlers. There will
+    //      usually not be very many at all, so a simple array is used
+    //      instead of a collection, for performance. It will grow if needed,
+    //      but that is unlikely.
+    //
+    //      The count is how many handlers are currently installed. The size
+    //      is how big the array itself is (for expansion purposes.) When
+    //      count == size, is time to expand.
+    //
+    //  fParseInProgress
+    //      This flag is set once a parse starts. It is used to prevent
+    //      multiple entrance or reentrance of the parser.
+    //
+    //  fScanner
+    //      The scanner being used by this parser. It is created internally
+    //      during construction.
+    //
+    //  fHasExternalSubset
+    //      Indicate if the document has external DTD subset.
+    //
+    //   fGrammarPool
+    //      The grammar pool passed from external application (through derivatives).
+    //      which could be 0, not owned.
+    //
+    // -----------------------------------------------------------------------
+    bool                        fNamespacePrefix;
+    bool                        fAutoValidation;
+    bool                        fValidation;
+    bool                        fParseInProgress;
+    bool                        fHasExternalSubset;
+    unsigned int                fElemDepth;
+    unsigned int                fAdvDHCount;
+    unsigned int                fAdvDHListSize;
+    VecAttributesImpl		    fAttrList ;
+    ContentHandler*		        fDocHandler ;
+    RefVectorOf<XMLAttr>*       fTempAttrVec ;
+    XMLStringPool*              fPrefixesStorage ;
+    ValueStackOf<unsigned int>* fPrefixes ;
+    ValueStackOf<unsigned int>* fPrefixCounts ;
+    DTDHandler*                 fDTDHandler;
+    EntityResolver*             fEntityResolver;
+    XMLEntityResolver*          fXMLEntityResolver;
+    ErrorHandler*               fErrorHandler;
+    PSVIHandler*                fPSVIHandler;
+    LexicalHandler*             fLexicalHandler;
+    DeclHandler*                fDeclHandler;
+    XMLDocumentHandler**        fAdvDHList;
+    XMLScanner*                 fScanner;
+    GrammarResolver*            fGrammarResolver;
+    XMLStringPool*              fURIStringPool;
+    XMLValidator*               fValidator;
+    MemoryManager*              fMemoryManager;
+    XMLGrammarPool*             fGrammarPool;
+	
+    // -----------------------------------------------------------------------
+    // internal function used to set the state of the parser
+    // -----------------------------------------------------------------------
+    void setValidationScheme(const ValSchemes newScheme);
+    void setDoNamespaces(const bool newState);
+    bool getDoNamespaces() const;
+    void setDoSchema(const bool newState);
+    bool getDoSchema() const;
+};
+
+
+// ---------------------------------------------------------------------------
+//  SAX2XMLReader: Getter methods
+// ---------------------------------------------------------------------------
+inline ContentHandler* SAX2XMLReaderImpl::getContentHandler() const
+{
+    return fDocHandler;
+}
+
+inline DTDHandler* SAX2XMLReaderImpl::getDTDHandler() const
+{
+	return fDTDHandler ;
+}
+
+inline EntityResolver* SAX2XMLReaderImpl::getEntityResolver() const
+{
+	return fEntityResolver;
+}
+
+inline XMLEntityResolver* SAX2XMLReaderImpl::getXMLEntityResolver() const
+{
+	return fXMLEntityResolver;
+}
+
+inline ErrorHandler* SAX2XMLReaderImpl::getErrorHandler() const
+{
+	return fErrorHandler;
+}
+
+inline PSVIHandler* SAX2XMLReaderImpl::getPSVIHandler() const
+{
+	return fPSVIHandler;
+}
+
+inline LexicalHandler* SAX2XMLReaderImpl::getLexicalHandler() const
+{
+   return fLexicalHandler;
+}
+
+inline DeclHandler* SAX2XMLReaderImpl::getDeclarationHandler() const
+{
+   return fDeclHandler;
+}
+
+inline bool SAX2XMLReaderImpl::getExitOnFirstFatalError() const
+{
+    return fScanner->getExitOnFirstFatal();
+}
+
+inline bool SAX2XMLReaderImpl::getValidationConstraintFatal() const
+{
+    return fScanner->getValidationConstraintFatal();
+}
+
+inline Grammar* SAX2XMLReaderImpl::getRootGrammar()
+{
+    return fScanner->getRootGrammar();
+}
+
+inline const XMLCh* SAX2XMLReaderImpl::getURIText(unsigned int uriId) const
+{
+    return fScanner->getURIText(uriId);
+}
+
+inline unsigned int SAX2XMLReaderImpl::getSrcOffset() const
+{
+    return fScanner->getSrcOffset();
+}
+
+XERCES_CPP_NAMESPACE_END
+
+#endif