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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 .
+ */
+
+#ifndef INCLUDED_CONNECTIVITY_SOURCE_INC_FILE_FCODE_HXX
+#define INCLUDED_CONNECTIVITY_SOURCE_INC_FILE_FCODE_HXX
+
+#include <connectivity/sqliterator.hxx>
+#include <com/sun/star/sdbc/DataType.hpp>
+#include <connectivity/FValue.hxx>
+#include <file/filedllapi.hxx>
+
+#include <stack>
+
+namespace connectivity
+{
+ class OSQLParseNode;
+ namespace file
+ {
+
+ class OOperand;
+ typedef std::stack<OOperand*> OCodeStack;
+
+ class OOO_DLLPUBLIC_FILE OCode
+ {
+ public:
+ //virtual dtor to allow this to be the root of the class hierarchy
+ virtual ~OCode();
+ //but that disables the default move ctor
+ OCode(OCode&&) = default;
+ //but that disables the rest of default ctors
+ OCode(const OCode&) = default;
+ OCode() = default;
+ //and same issue for the assignment operators
+ OCode& operator=(const OCode&) = default;
+ OCode& operator=(OCode&&) = default;
+ };
+
+
+ // operands that the parsetree generate
+ class OOO_DLLPUBLIC_FILE OOperand : public OCode
+ {
+ protected:
+ sal_Int32 m_eDBType;
+
+ OOperand(sal_Int32 _rType) : m_eDBType(_rType){}
+ OOperand() : m_eDBType(css::sdbc::DataType::OTHER){}
+
+ public:
+ virtual const ORowSetValue& getValue() const = 0;
+ virtual void setValue(const ORowSetValue& _rVal) = 0;
+
+ sal_Int32 getDBType() const {return m_eDBType;}
+ inline bool isValid() const;
+
+ };
+
+ class OOperandRow : public OOperand
+ {
+ sal_uInt16 m_nRowPos;
+ OValueRefRow m_pRow;
+
+ protected:
+ OOperandRow(sal_uInt16 _nPos, sal_Int32 _rType);
+ public:
+ virtual const ORowSetValue& getValue() const override;
+ virtual void setValue(const ORowSetValue& _rVal) override;
+ void bindValue(const OValueRefRow& _pRow); // Bind to the value that the operand represents
+
+ };
+
+ // Attributes from a result row
+ class OOperandAttr : public OOperandRow
+ {
+ public:
+ OOperandAttr(sal_uInt16 _nPos,
+ const css::uno::Reference< css::beans::XPropertySet>& _xColumn);
+
+ };
+
+ // Parameter for a predicate
+ class OOperandParam : public OOperandRow
+ {
+ public:
+ OOperandParam(connectivity::OSQLParseNode const * pNode, sal_Int32 _nPos);
+ };
+
+ // Value operands
+ class OOperandValue : public OOperand
+ {
+ protected:
+ ORowSetValue m_aValue;
+
+ protected:
+ OOperandValue(){}
+ OOperandValue(const ORowSetValue& _rVar, sal_Int32 eDbType)
+ : OOperand(eDbType)
+ , m_aValue(_rVar)
+ {}
+
+ OOperandValue(sal_Int32 eDbType) :OOperand(eDbType){}
+ public:
+ virtual const ORowSetValue& getValue() const override;
+ virtual void setValue(const ORowSetValue& _rVal) override;
+
+ };
+
+
+ // Constants
+ class OOperandConst : public OOperandValue
+ {
+ public:
+ OOperandConst(const connectivity::OSQLParseNode& rColumnRef, const OUString& aStrValue);
+
+ };
+
+
+ // Result operands
+ class OOperandResult : public OOperandValue
+ {
+ protected:
+ OOperandResult(sal_Int32 eDbType)
+ :OOperandValue(eDbType) {}
+ public:
+ OOperandResult(const ORowSetValue& _rVar)
+ :OOperandValue(_rVar, _rVar.getTypeKind()) {}
+ };
+
+
+ class OOperandResultBOOL : public OOperandResult
+ {
+ public:
+ OOperandResultBOOL(bool bResult) : OOperandResult(css::sdbc::DataType::BIT)
+ {
+ m_aValue = bResult ? 1.0 : 0.0;
+ m_aValue.setBound(true);
+ }
+ };
+
+ class OOperandResultNUM : public OOperandResult
+ {
+ public:
+ OOperandResultNUM(double fNum) : OOperandResult(css::sdbc::DataType::DOUBLE)
+ {
+ m_aValue = fNum;
+ m_aValue.setBound(true);
+ }
+ };
+
+ /** special stop operand
+ is appended when a list of arguments ends
+ */
+ class OStopOperand : public OOperandValue
+ {
+ public:
+ OStopOperand(){}
+ };
+
+ // Operators
+ class OOO_DLLPUBLIC_FILE OOperator : public OCode
+ {
+ public:
+ virtual void Exec(OCodeStack&) = 0;
+ };
+
+
+ // Boolean operators
+ class OOO_DLLPUBLIC_FILE OBoolOperator : public OOperator
+ {
+ public:
+ virtual void Exec(OCodeStack&) override;
+ virtual bool operate(const OOperand*, const OOperand*) const;
+ };
+
+ class OOp_NOT : public OBoolOperator
+ {
+ public:
+
+ protected:
+ virtual void Exec(OCodeStack&) override;
+ virtual bool operate(const OOperand*, const OOperand*) const override;
+ };
+
+ class OOp_AND : public OBoolOperator
+ {
+ public:
+
+ protected:
+ virtual bool operate(const OOperand*, const OOperand*) const override;
+ };
+
+ class OOp_OR : public OBoolOperator
+ {
+ public:
+ protected:
+ virtual bool operate(const OOperand*, const OOperand*) const override;
+ };
+
+ class OOO_DLLPUBLIC_FILE OOp_ISNULL : public OBoolOperator
+ {
+ public:
+ public:
+ virtual void Exec(OCodeStack&) override;
+ virtual bool operate(const OOperand*, const OOperand*) const override;
+ };
+
+ class OOO_DLLPUBLIC_FILE OOp_ISNOTNULL : public OOp_ISNULL
+ {
+ public:
+ virtual bool operate(const OOperand*, const OOperand*) const override;
+ };
+
+ class OOO_DLLPUBLIC_FILE OOp_LIKE : public OBoolOperator
+ {
+ const sal_Unicode cEscape;
+
+ public:
+ OOp_LIKE(const sal_Unicode cEsc):cEscape(cEsc){};
+
+ virtual bool operate(const OOperand*, const OOperand*) const override;
+ };
+
+ class OOp_NOTLIKE : public OOp_LIKE
+ {
+ public:
+ public:
+ OOp_NOTLIKE(const sal_Unicode cEsc):OOp_LIKE(cEsc){};
+
+ virtual bool operate(const OOperand*, const OOperand*) const override;
+ };
+
+ class OOO_DLLPUBLIC_FILE OOp_COMPARE : public OBoolOperator
+ {
+ sal_Int32 aPredicateType;
+
+ public:
+ OOp_COMPARE(sal_Int32 aPType)
+ :aPredicateType(aPType) {}
+
+ sal_Int32 getPredicateType() const { return aPredicateType; }
+ virtual bool operate(const OOperand*, const OOperand*) const override;
+ };
+
+ // Numerical operators
+ class ONumOperator : public OOperator
+ {
+ public:
+ virtual void Exec(OCodeStack&) override;
+
+
+ protected:
+ virtual double operate(const double& fLeft,const double& fRight) const = 0;
+ };
+
+ class OOp_ADD : public ONumOperator
+ {
+ protected:
+ virtual double operate(const double& fLeft,const double& fRight) const override;
+ };
+
+ class OOp_SUB : public ONumOperator
+ {
+ protected:
+ virtual double operate(const double& fLeft,const double& fRight) const override;
+ };
+
+ class OOp_MUL : public ONumOperator
+ {
+ protected:
+ virtual double operate(const double& fLeft,const double& fRight) const override;
+ };
+
+ class OOp_DIV : public ONumOperator
+ {
+ protected:
+ virtual double operate(const double& fLeft,const double& fRight) const override;
+ };
+
+ inline bool OOperand::isValid() const
+ {
+ return getValue().getDouble() != 0.0;
+ }
+
+ // Operator
+ class ONthOperator : public OOperator
+ {
+ public:
+ virtual void Exec(OCodeStack&) override;
+
+
+ protected:
+ virtual ORowSetValue operate(const std::vector<ORowSetValue>& lhs) const = 0;
+ };
+
+ class OBinaryOperator : public OOperator
+ {
+ public:
+ virtual void Exec(OCodeStack&) override;
+
+
+ protected:
+ virtual ORowSetValue operate(const ORowSetValue& lhs,const ORowSetValue& rhs) const = 0;
+ };
+
+ class OUnaryOperator : public OOperator
+ {
+ public:
+ virtual void Exec(OCodeStack&) override;
+ virtual ORowSetValue operate(const ORowSetValue& lhs) const = 0;
+
+
+ };
+ }
+}
+
+#endif // INCLUDED_CONNECTIVITY_SOURCE_INC_FILE_FCODE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */