include/dbus-c++/refptr_impl.h

   1 /*
   2  *
   3  *  D-Bus++ - C++ bindings for D-Bus
   4  *
   5  *  Copyright (C) 2005-2009  Paolo Durante <shackan@gmail.com>
   6  *
   7  *
   8  *  This library is free software; you can redistribute it and/or
   9  *  modify it under the terms of the GNU Lesser General Public
  10  *  License as published by the Free Software Foundation; either
  11  *  version 2.1 of the License, or (at your option) any later version.
  12  *
  13  *  This library is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  *  Lesser General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU Lesser General Public
  19  *  License along with this library; if not, write to the Free Software
  20  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  *
  22  */
  23
  24
  25 #ifndef __DBUSXX_REFPTR_IMPL_H
  26 #define __DBUSXX_REFPTR_IMPL_H
  27
  28 #include "api.h"
  29 #include "util.h"
  30
  31 namespace DBus {
  32
  33 template <class T>
  34 RefPtrI<T>::RefPtrI(T *ptr)
  35 : RefPtrVoid(ptr)
  36 {}
  37
  38 template <class T>
  39 RefPtrI<T>::RefPtrI(const RefPtrI<T>& lhs)
  40 : RefPtrVoid(0)
  41 {
  42    *this = lhs;
  43 }
  44
  45 template <class T>
  46 RefPtrI<T>& RefPtrI<T>::operator = (const RefPtrI<T> &ref)
  47 {
  48    if (this != &ref)
  49    {
  50       // If there is only a single reference (that's us) then ...
  51       if (__cnt.one())
  52       {
  53          delete get();
  54          __ptr = 0;
  55       }
  56       __ptr = ref.__ptr;
  57       __cnt = ref.__cnt;
  58    }
  59    return *this;
  60 }
  61
  62 template <class T>
  63 RefPtrI<T>::~RefPtrI()
  64 {
  65         if (__cnt.one()) delete get();
  66 }
  67
  68 } /* namespace DBus */
  69
  70 #endif//__DBUSXX_REFPTR_IMPL_H