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QxOrm 1.1.6
C++ Object Relational Mapping library
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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_REMOVE_ATTR_H_ 00027 #define _QX_REMOVE_ATTR_H_ 00028 00029 #ifdef _MSC_VER 00030 #pragma once 00031 #endif 00032 00040 #include <boost/mpl/if.hpp> 00041 #include <boost/mpl/logical.hpp> 00042 00043 #include <boost/type_traits/remove_pointer.hpp> 00044 #include <boost/type_traits/remove_const.hpp> 00045 #include <boost/type_traits/remove_reference.hpp> 00046 #include <boost/type_traits/remove_volatile.hpp> 00047 00048 namespace qx { 00049 namespace trait { 00050 00055 template <typename T, bool bRemovePtr = true, bool bRemoveConst = true, bool bRemoveRef = true, bool bRemoveVolatile = true> 00056 class remove_attr 00057 { 00058 00059 private: 00060 00061 typedef typename boost::mpl::if_c<bRemovePtr, typename boost::remove_pointer<T>::type, T>::type type_1; 00062 typedef typename boost::mpl::if_c<bRemoveConst, typename boost::remove_const<type_1>::type, type_1>::type type_2; 00063 typedef typename boost::mpl::if_c<bRemoveRef, typename boost::remove_reference<type_2>::type, type_2>::type type_3; 00064 typedef typename boost::mpl::if_c<bRemoveVolatile, typename boost::remove_volatile<type_3>::type, type_3>::type type_4; 00065 00066 public: 00067 00068 typedef type_4 type; 00069 00070 }; 00071 00072 } // namespace trait 00073 } // namespace qx 00074 00075 #endif // _QX_REMOVE_ATTR_H_