AOO410/main/connectivity/source/inc/file/fanalyzer.hxx

/**************************************************************
 * 
 * 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.
 * 
 *************************************************************/



#ifndef _CONNECTIVITY_FILE_FANALYZER_HXX_
#define _CONNECTIVITY_FILE_FANALYZER_HXX_

#include "file/fcomp.hxx"
#include "file/filedllapi.hxx"

namespace connectivity
{
	namespace file
	{
		class OConnection;
		class OOO_DLLPUBLIC_FILE OSQLAnalyzer
		{
			typedef ::std::list<OEvaluateSet*>		OEvaluateSetList;
			typedef ::std::pair< ::vos::ORef<OPredicateCompiler>,::vos::ORef<OPredicateInterpreter> > TPredicates;

			::std::vector< TPredicates >		m_aSelectionEvaluations;
			::vos::ORef<OPredicateCompiler>		m_aCompiler;
			::vos::ORef<OPredicateInterpreter>	m_aInterpreter;
            OConnection*                        m_pConnection;

			mutable sal_Bool 					m_bHasSelectionCode;
			mutable sal_Bool 					m_bSelectionFirstTime;

			void bindRow(OCodeList& rCodeList,const OValueRefRow& _pRow,OEvaluateSetList& _rEvaluateSetList);

		public:
			OSQLAnalyzer(OConnection* _pConnection);
			virtual ~OSQLAnalyzer();
			inline static void * SAL_CALL operator new( size_t nSize ) SAL_THROW( () )
				{ return ::rtl_allocateMemory( nSize ); }
			inline static void * SAL_CALL operator new( size_t /*nSize*/,void* _pHint ) SAL_THROW( () )
				{ return _pHint; }
			inline static void SAL_CALL	operator delete( void *	pMem ) SAL_THROW( () )
				{ ::rtl_freeMemory( pMem ); }
			inline static void SAL_CALL operator delete( void * /*pMem*/,void* /*_pHint*/ ) SAL_THROW( () )
				{  }

            OConnection* getConnection() const { return m_pConnection; }
			void describeParam(::vos::ORef<OSQLColumns> rParameterColumns); // genauere Beschreibung der Parameter
			::std::vector<sal_Int32>* bindEvaluationRow(OValueRefRow& _pRow);					// Anbinden einer Ergebniszeile an die Restrictions
			/** bind the select columns if they contain a function which needs a row value
				@param	_pRow	the result row
			*/
			void bindSelectRow(const OValueRefRow& _pRow);

			/** binds the row to parameter for the restrictions
				@param	_pRow	the parameter row
			*/
			void bindParameterRow(OValueRefRow& _pRow);

			void setIndexes(const ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameAccess>& _xIndexes);

			void dispose();
			void start(OSQLParseNode* pSQLParseNode);
			void clean();
			virtual sal_Bool hasRestriction() const;
			virtual sal_Bool hasFunctions() const;
			inline sal_Bool evaluateRestriction()	{ return m_aInterpreter->start(); }
			void setSelectionEvaluationResult(OValueRefRow& _pRow,const ::std::vector<sal_Int32>& _rColumnMapping);
			void setOrigColumns(const OFileColumns& rCols);
			virtual OOperandAttr* createOperandAttr(sal_Int32 _nPos,
													const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet>& _xCol,
													const ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameAccess>& _xIndexes=NULL);
		};
	}
}
#endif // _CONNECTIVITY_FILE_FANALYZER_HXX_