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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#pragma once
#include <file/fcode.hxx>
#include <utility>
namespace connectivity
{
class OSQLParseNode;
namespace file
{
class OCode;
class OOperand;
class OSQLAnalyzer;
typedef std::vector<std::unique_ptr<OCode>> OCodeList;
class OPredicateCompiler final : public ::salhelper::SimpleReferenceObject
{
friend class OPredicateInterpreter;
friend class OSQLAnalyzer;
OCodeList m_aCodeList;
css::uno::Reference< css::container::XNameAccess> m_orgColumns; // in filecurs this are the filecolumns
OSQLAnalyzer* m_pAnalyzer;
sal_Int32 m_nParamCounter;
public:
OPredicateCompiler(OSQLAnalyzer* pAnalyzer);
virtual ~OPredicateCompiler() override;
void dispose();
void start(connectivity::OSQLParseNode const * pSQLParseNode);
OOperand* execute(connectivity::OSQLParseNode const * pPredicateNode);
void Clean();
bool isClean() const {return m_aCodeList.empty();}
bool hasCode() const {return !isClean();}
void setOrigColumns(const css::uno::Reference< css::container::XNameAccess>& rCols) { m_orgColumns = rCols; }
const css::uno::Reference< css::container::XNameAccess>& getOrigColumns() const { return m_orgColumns; }
private:
/// @throws css::sdbc::SQLException
/// @throws css::uno::RuntimeException
void execute_COMPARE(connectivity::OSQLParseNode const * pPredicateNode);
/// @throws css::sdbc::SQLException
/// @throws css::uno::RuntimeException
void execute_LIKE(connectivity::OSQLParseNode const * pPredicateNode);
/// @throws css::sdbc::SQLException
/// @throws css::uno::RuntimeException
void execute_BETWEEN(connectivity::OSQLParseNode const * pPredicateNode);
/// @throws css::sdbc::SQLException
/// @throws css::uno::RuntimeException
void execute_ISNULL(connectivity::OSQLParseNode const * pPredicateNode);
/// @throws css::sdbc::SQLException
/// @throws css::uno::RuntimeException
OOperand* execute_Operand(connectivity::OSQLParseNode const * pPredicateNode);
/// @throws css::sdbc::SQLException
/// @throws css::uno::RuntimeException
void execute_Fold(OSQLParseNode const * pPredicateNode);
/// @throws css::sdbc::SQLException
/// @throws css::uno::RuntimeException
void executeFunction(OSQLParseNode const * pPredicateNode);
};
class OPredicateInterpreter :
public ::salhelper::SimpleReferenceObject
{
OCodeStack m_aStack;
::rtl::Reference<OPredicateCompiler> m_rCompiler;
public:
OPredicateInterpreter(::rtl::Reference<OPredicateCompiler> xComp) : m_rCompiler(std::move(xComp)){}
virtual ~OPredicateInterpreter() override;
bool evaluate(OCodeList& rCodeList);
void evaluateSelection(OCodeList& rCodeList, ORowSetValueDecoratorRef const & _rVal);
bool start()
{
return evaluate(m_rCompiler->m_aCodeList);
}
void startSelection(ORowSetValueDecoratorRef const & _rVal)
{
evaluateSelection(m_rCompiler->m_aCodeList,_rVal);
}
};
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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