ClickHouse/base/poco/XML/include/Poco/SAX/DefaultHandler.h
2023-02-13 09:00:23 +00:00

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2.8 KiB
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//
// DefaultHandler.h
//
// Library: XML
// Package: SAX
// Module: SAX
//
// SAX-2 DefaultHandler class.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef SAX_DefaultHandler_INCLUDED
#define SAX_DefaultHandler_INCLUDED
#include "Poco/SAX/ContentHandler.h"
#include "Poco/SAX/DTDHandler.h"
#include "Poco/SAX/EntityResolver.h"
#include "Poco/SAX/ErrorHandler.h"
#include "Poco/XML/XML.h"
namespace Poco
{
namespace XML
{
class XML_API DefaultHandler : public EntityResolver, public DTDHandler, public ContentHandler, public ErrorHandler
/// Default base class for SAX2 event handlers.
/// 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.
{
public:
DefaultHandler();
/// Creates the DefaultHandler.
~DefaultHandler();
/// Destroys the DefaultHandler.
// EntityResolver
InputSource * resolveEntity(const XMLString * publicId, const XMLString & systemId);
void releaseInputSource(InputSource * pSource);
// DTDHandler
void notationDecl(const XMLString & name, const XMLString * publicId, const XMLString * systemId);
void
unparsedEntityDecl(const XMLString & name, const XMLString * publicId, const XMLString & systemId, const XMLString & notationName);
// ContentHandler
void setDocumentLocator(const Locator * loc);
void startDocument();
void endDocument();
void startElement(const XMLString & uri, const XMLString & localName, const XMLString & qname, const Attributes & attributes);
void endElement(const XMLString & uri, const XMLString & localName, const XMLString & qname);
void characters(const XMLChar ch[], int start, int length);
void ignorableWhitespace(const XMLChar ch[], int start, int length);
void processingInstruction(const XMLString & target, const XMLString & data);
void startPrefixMapping(const XMLString & prefix, const XMLString & uri);
void endPrefixMapping(const XMLString & prefix);
void skippedEntity(const XMLString & name);
// ErrorHandler
void warning(const SAXException & exc);
void error(const SAXException & exc);
void fatalError(const SAXException & exc);
};
}
} // namespace Poco::XML
#endif // SAX_DefaultHandler_INCLUDED