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// -*- C++ -*-
//=============================================================================
/**
* @file DefaultHandler.h
*
* @author Nanbor Wang <nanbor@cs.wustl.edu>
*/
//=============================================================================
#ifndef ACEXML_DEFAULTHANDLER_H
#define ACEXML_DEFAULTHANDLER_H
#include /**/ "ace/pre.h"
#include "ACEXML/common/ACEXML_Export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
#pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ACEXML/common/ContentHandler.h"
#include "ACEXML/common/DTDHandler.h"
#include "ACEXML/common/EntityResolver.h"
#include "ACEXML/common/ErrorHandler.h"
/**
* @class ACEXML_DefaultHandler
*
* @brief ACEXML_DefaultHandler
*
* This class is available as a convenience base class for SAX2
* applications: it provides default implementations for all of the
* callbacks in the four core SAX2 handler classes:
*
* - EntityResolver
* - DTDHandler
* - ContentHandler
* - ErrorHandler
*
* Application writers can extend this class when they need to implement
* only part of an interface; parser writers can instantiate this class to
* provide default handlers when the application has not supplied its own.
*/
class ACEXML_Export ACEXML_DefaultHandler
: public ACEXML_ContentHandler,
public ACEXML_DTDHandler,
public ACEXML_EntityResolver,
public ACEXML_ErrorHandler
{
public:
/**
* Default constructor.
*/
ACEXML_DefaultHandler (void);
/**
* destructor.
*/
virtual ~ACEXML_DefaultHandler (void);
// Methods inherit from ACEXML_ContentHandler.
/*
* Receive notification of character data.
*/
virtual void characters (const ACEXML_Char *ch,
size_t start,
size_t length);
/*
* Receive notification of the end of a document.
*/
virtual void endDocument (void);
/*
* Receive notification of the end of an element.
*/
virtual void endElement (const ACEXML_Char *namespaceURI,
const ACEXML_Char *localName,
const ACEXML_Char *qName);
/*
* End the scope of a prefix-URI mapping.
*/
virtual void endPrefixMapping (const ACEXML_Char *prefix);
/*
* Receive notification of ignorable whitespace in element content.
*/
virtual void ignorableWhitespace (const ACEXML_Char *ch,
int start,
int length);
/*
* Receive notification of a processing instruction.
*/
virtual void processingInstruction (const ACEXML_Char *target,
const ACEXML_Char *data);
/*
* Receive an object for locating the origin of SAX document events.
*/
virtual void setDocumentLocator (ACEXML_Locator *locator) ;
/*
* Receive notification of a skipped entity.
*/
virtual void skippedEntity (const ACEXML_Char *name);
/*
* Receive notification of the beginning of a document.
*/
virtual void startDocument (void);
/*
* Receive notification of the beginning of an element.
*/
virtual void startElement (const ACEXML_Char *namespaceURI,
const ACEXML_Char *localName,
const ACEXML_Char *qName,
ACEXML_Attributes *atts);
/*
* Begin the scope of a prefix-URI Namespace mapping.
*/
virtual void startPrefixMapping (const ACEXML_Char *prefix,
const ACEXML_Char *uri);
// *** Methods inherit from ACEXML_DTDHandler.
/*
* Receive notification of a notation declaration event.
*/
virtual void notationDecl (const ACEXML_Char *name,
const ACEXML_Char *publicId,
const ACEXML_Char *systemId);
/*
* Receive notification of an unparsed entity declaration event.
*/
virtual void unparsedEntityDecl (const ACEXML_Char *name,
const ACEXML_Char *publicId,
const ACEXML_Char *systemId,
const ACEXML_Char *notationName);
// Methods inherit from ACEXML_EnitityResolver.
/*
* Allow the application to resolve external entities.
*/
virtual ACEXML_InputSource *resolveEntity (const ACEXML_Char *publicId,
const ACEXML_Char *systemId);
// Methods inherit from ACEXML_ErrorHandler.
/*
* Receive notification of a recoverable error.
*/
virtual void error (ACEXML_SAXParseException &exception);
/*
* Receive notification of a non-recoverable error.
*/
virtual void fatalError (ACEXML_SAXParseException &exception);
/*
* Receive notification of a warning.
*/
virtual void warning (ACEXML_SAXParseException &exception);
};
#include /**/ "ace/post.h"
#endif /* ACEXML_DEFAULTHANDLER_H */
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