![]() |
QxOrm
1.2.3
C++ Object Relational Mapping library
|
00001 /**************************************************************************** 00002 ** 00003 ** http://www.qxorm.com/ 00004 ** http://sourceforge.net/projects/qxorm/ 00005 ** Original file by Lionel Marty 00006 ** 00007 ** This file is part of the QxOrm library 00008 ** 00009 ** This software is provided 'as-is', without any express or implied 00010 ** warranty. In no event will the authors be held liable for any 00011 ** damages arising from the use of this software. 00012 ** 00013 ** GNU Lesser General Public License Usage 00014 ** This file must be used under the terms of the GNU Lesser 00015 ** General Public License version 2.1 as published by the Free Software 00016 ** Foundation and appearing in the file 'license.lgpl.txt' included in the 00017 ** packaging of this file. Please review the following information to 00018 ** ensure the GNU Lesser General Public License version 2.1 requirements 00019 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 00020 ** 00021 ** If you have questions regarding the use of this file, please contact : 00022 ** contact@qxorm.com 00023 ** 00024 ****************************************************************************/ 00025 00026 #ifndef _QX_IS_SMART_PTR_H_ 00027 #define _QX_IS_SMART_PTR_H_ 00028 00029 #ifdef _MSC_VER 00030 #pragma once 00031 #endif 00032 00040 #include <boost/mpl/if.hpp> 00041 #include <boost/mpl/or.hpp> 00042 #include <boost/mpl/logical.hpp> 00043 00044 #include <QxTraits/is_boost_intrusive_ptr.h> 00045 #include <QxTraits/is_boost_scoped_ptr.h> 00046 #include <QxTraits/is_boost_shared_ptr.h> 00047 #include <QxTraits/is_boost_weak_ptr.h> 00048 #include <QxTraits/is_qt_shared_data_ptr.h> 00049 #include <QxTraits/is_qt_scoped_ptr.h> 00050 #include <QxTraits/is_qt_shared_ptr.h> 00051 #include <QxTraits/is_qt_weak_ptr.h> 00052 #include <QxTraits/is_qx_dao_ptr.h> 00053 00054 namespace qx { 00055 namespace trait { 00056 00061 template <typename T> 00062 class is_smart_ptr 00063 { 00064 00065 private: 00066 00067 typedef typename boost::mpl::or_< qx::trait::is_qx_dao_ptr<T>, 00068 qx::trait::is_boost_intrusive_ptr<T>, 00069 qx::trait::is_boost_scoped_ptr<T>, 00070 qx::trait::is_boost_shared_ptr<T>, 00071 qx::trait::is_boost_weak_ptr<T> >::type cond_is_boost_smart_ptr; 00072 00073 typedef typename boost::mpl::or_< typename qx::trait::is_smart_ptr<T>::cond_is_boost_smart_ptr, 00074 qx::trait::is_qt_scoped_ptr<T>, 00075 qx::trait::is_qt_shared_ptr<T>, 00076 qx::trait::is_qt_weak_ptr<T>, 00077 qx::trait::is_qt_shared_data_ptr<T> >::type cond_is_smart_ptr; 00078 00079 typedef typename boost::mpl::if_< typename qx::trait::is_smart_ptr<T>::cond_is_smart_ptr, 00080 boost::mpl::true_, 00081 boost::mpl::false_ >::type type_is_smart_ptr; 00082 00083 public: 00084 00085 enum { value = qx::trait::is_smart_ptr<T>::type_is_smart_ptr::value }; 00086 00087 typedef typename qx::trait::is_smart_ptr<T>::type_is_smart_ptr type; 00088 00089 }; 00090 00091 } // namespace trait 00092 } // namespace qx 00093 00094 #endif // _QX_IS_SMART_PTR_H_