00001 /* vim: set sw=4 sts=4 et foldmethod=syntax : */ 00002 00003 /* 00004 * Copyright (c) 2007, 2008, 2009 Ciaran McCreesh 00005 * 00006 * This file is part of the Paludis package manager. Paludis is free software; 00007 * you can redistribute it and/or modify it under the terms of the GNU General 00008 * Public License version 2, as published by the Free Software Foundation. 00009 * 00010 * Paludis is distributed in the hope that it will be useful, but WITHOUT ANY 00011 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 00012 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more 00013 * details. 00014 * 00015 * You should have received a copy of the GNU General Public License along with 00016 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple 00017 * Place, Suite 330, Boston, MA 02111-1307 USA 00018 */ 00019 00020 #ifndef PALUDIS_GUARD_PALUDIS_UTIL_REMOVE_SHARED_PTR_HH 00021 #define PALUDIS_GUARD_PALUDIS_UTIL_REMOVE_SHARED_PTR_HH 1 00022 00023 #include <tr1/memory> 00024 00025 namespace paludis 00026 { 00027 /** 00028 * Like std::tr1::remove_pointer for std::tr1::shared_ptr. 00029 * 00030 * \ingroup g_utils 00031 */ 00032 template <typename T_> 00033 struct RemoveSharedPtr 00034 { 00035 /// T_ with the std::tr1::shared_ptr removed. 00036 typedef T_ Type; 00037 }; 00038 00039 /** 00040 * Like std::tr1::remove_pointer for std::tr1::shared_ptr. 00041 * 00042 * \ingroup g_utils 00043 */ 00044 template <typename T_> 00045 struct RemoveSharedPtr<std::tr1::shared_ptr<T_> > 00046 { 00047 /// T_ with the std::tr1::shared_ptr removed. 00048 typedef T_ Type; 00049 }; 00050 00051 /** 00052 * Like std::tr1::remove_pointer for std::tr1::shared_ptr. 00053 * 00054 * \ingroup g_utils 00055 */ 00056 template <typename T_> 00057 struct RemoveSharedPtr<std::tr1::shared_ptr<const T_> > 00058 { 00059 /// T_ with the std::tr1::shared_ptr removed. 00060 typedef const T_ Type; 00061 }; 00062 00063 /** 00064 * Like std::tr1::remove_pointer for std::tr1::shared_ptr. 00065 * 00066 * \ingroup g_utils 00067 */ 00068 template <typename T_> 00069 struct RemoveSharedPtr<const T_> 00070 { 00071 /// T_ with the std::tr1::shared_ptr removed. 00072 typedef const typename RemoveSharedPtr<T_>::Type Type; 00073 }; 00074 00075 /** 00076 * Like std::tr1::remove_pointer for std::tr1::shared_ptr. 00077 * 00078 * \ingroup g_utils 00079 */ 00080 template <typename T_> 00081 struct RemoveSharedPtr<T_ &> 00082 { 00083 /// T_ with the std::tr1::shared_ptr removed. 00084 typedef typename RemoveSharedPtr<T_>::Type Type; 00085 }; 00086 } 00087 00088 #endif