greenplumn CParseHandlerStackTrace 源码
greenplumn CParseHandlerStackTrace 代码
文件路径：/src/backend/gporca/libnaucrates/src/parser/CParseHandlerStackTrace.cpp
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2012 EMC Corp.
//
// @filename:
// CParseHandlerStackTrace.cpp
//
// @doc:
// Implementation of the SAX parse handler class for stack traces.
// This is a pass-through parse handler, since we do not do anything with
// the stack traces
//---------------------------------------------------------------------------
#include "naucrates/dxl/parser/CParseHandlerStacktrace.h"
#include "naucrates/dxl/parser/CParseHandlerFactory.h"
#include "naucrates/dxl/parser/CParseHandlerManager.h"
using namespace gpdxl;
XERCES_CPP_NAMESPACE_USE
//---------------------------------------------------------------------------
// @function:
// CParseHandlerStacktrace::CParseHandlerStacktrace
//
// @doc:
// Constructor
//
//---------------------------------------------------------------------------
CParseHandlerStacktrace::CParseHandlerStacktrace(
CMemoryPool *mp, CParseHandlerManager *parse_handler_mgr,
CParseHandlerBase *parse_handler_root)
: CParseHandlerBase(mp, parse_handler_mgr, parse_handler_root)
{
}
//---------------------------------------------------------------------------
// @function:
// CParseHandlerStacktrace::StartElement
//
// @doc:
// Invoked by Xerces to process an opening tag
//
//---------------------------------------------------------------------------
void
CParseHandlerStacktrace::StartElement(
const XMLCh *const, // element_uri,
const XMLCh *const, // element_local_name,
const XMLCh *const, // element_qname
const Attributes & // attrs
)
{
// passthrough
}
//---------------------------------------------------------------------------
// @function:
// CParseHandlerStacktrace::EndElement
//
// @doc:
// Invoked by Xerces to process a closing tag
//
//---------------------------------------------------------------------------
void
CParseHandlerStacktrace::EndElement(const XMLCh *const, // element_uri,
const XMLCh *const, // element_local_name,
const XMLCh *const // element_qname
)
{
// deactivate handler
m_parse_handler_mgr->DeactivateHandler();
}
// EOF
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