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67 lines
1.7 KiB
C++
67 lines
1.7 KiB
C++
/*
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Base class interface
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Copyright (C) 1998,1999 by Andrew Zabolotny
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "Base.h"
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Base::~Base ()
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{
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}
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/**
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* Decrement object's reference count; as soon as the last reference
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* to the object is removed, it is destroyed.
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*/
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void Base::DecRef ()
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{
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if (!--RefCount)
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delete this;
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}
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/**
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* Object initialization. The initial reference count is set to one;
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* this means if you call DecRef() immediately after creating the object,
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* it will be destroyed.
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*/
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Base::Base ()
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{
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RefCount = 1;
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}
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/**
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* Increment reference count.
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* Every time when you copy a pointer to a object and store it for
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* later use you MUST call IncRef() on it; this will allow to keep
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* objects as long as they are referenced by some entity.
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*/
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void Base::IncRef ()
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{
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++RefCount;
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}
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/**
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* Query number of references to this object.
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* I would rather prefer to have the reference counter strictly private,
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* but sometimes, mostly for debugging, such a function can help.
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*/
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int Base::GetRefCount ()
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{
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return RefCount;
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}
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