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| -rw-r--r-- | connectivity/source/inc/file/fcomp.hxx | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/connectivity/source/inc/file/fcomp.hxx b/connectivity/source/inc/file/fcomp.hxx new file mode 100644 index 000000000..f43b05374 --- /dev/null +++ b/connectivity/source/inc/file/fcomp.hxx @@ -0,0 +1,112 @@ +/* -*- 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 . + */ +#ifndef INCLUDED_CONNECTIVITY_SOURCE_INC_FILE_FCOMP_HXX +#define INCLUDED_CONNECTIVITY_SOURCE_INC_FILE_FCOMP_HXX + +#include <file/fcode.hxx> + +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(const ::rtl::Reference<OPredicateCompiler>& rComp) : m_rCompiler(rComp){} + 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); + } + + + }; + } +} +#endif // INCLUDED_CONNECTIVITY_SOURCE_INC_FILE_FCOMP_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |