Xisco Fauli
0c91381485
Change-Id: I17586b49f970be17c5f6d2823d4a973521b2ed62 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/209407 Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org> Tested-by: Jenkins
110 lines
3.0 KiB
C++
110 lines
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <sal/config.h>
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#include <formula/formuladllapi.h>
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#include <formula/opcode.hxx>
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#include <formula/types.hxx>
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#include <osl/interlck.h>
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#include <rtl/ustring.hxx>
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namespace formula
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{
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/// represents a function that can be called to produce a result
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class FORMULA_DLLPUBLIC FormulaCallable
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{
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private:
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mutable oslInterlockedCount mnRefCnt;
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protected:
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FormulaCallable()
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: mnRefCnt(0)
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{
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}
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FormulaCallable(const FormulaCallable&)
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: mnRefCnt(0)
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{
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}
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public:
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void IncRef() const { osl_atomic_increment(&mnRefCnt); }
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void DecRef() const
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{
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if (!osl_atomic_decrement(&mnRefCnt))
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const_cast<FormulaCallable*>(this)->Delete();
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}
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void Delete() { delete this; }
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virtual ~FormulaCallable() {}
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virtual OpCode GetOpCode() const { return ocNone; }
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};
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inline void intrusive_ptr_add_ref(const FormulaCallable* p) { p->IncRef(); }
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inline void intrusive_ptr_release(const FormulaCallable* p) { p->DecRef(); }
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/// a callable built-in function
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class FORMULA_DLLPUBLIC FormulaBuiltInFunction : public FormulaCallable
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{
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private:
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OpCode meOpCode;
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/// no copy constructor; copies are not allowed!
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FormulaBuiltInFunction(OpCode eOpCode)
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: FormulaCallable()
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, meOpCode(eOpCode)
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{
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}
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public:
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/// use Get instead of constructing new objects
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static FormulaCallableRef Get(OpCode eOpCode);
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virtual OpCode GetOpCode() const override { return meOpCode; }
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};
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/// a callable external function
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class FORMULA_DLLPUBLIC FormulaExternalFunction : public FormulaCallable
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{
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private:
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OUString maName;
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public:
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FormulaExternalFunction(const OUString& aName)
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: FormulaCallable()
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, maName(aName)
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{
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}
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FormulaExternalFunction(const FormulaExternalFunction& r)
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: FormulaCallable(r)
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, maName(r.maName)
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{
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}
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virtual OpCode GetOpCode() const override { return ocExternal; }
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const OUString& GetName() const { return maName; }
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FormulaCallable* Clone() const { return new FormulaExternalFunction(*this); }
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};
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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