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