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QxOrm
1.3.2
C++ Object Relational Mapping library
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00001 /**************************************************************************** 00002 ** 00003 ** http://www.qxorm.com/ 00004 ** Copyright (C) 2013 Lionel Marty (contact@qxorm.com) 00005 ** 00006 ** This file is part of the QxOrm library 00007 ** 00008 ** This software is provided 'as-is', without any express or implied 00009 ** warranty. In no event will the authors be held liable for any 00010 ** damages arising from the use of this software 00011 ** 00012 ** Commercial Usage 00013 ** Licensees holding valid commercial QxOrm licenses may use this file in 00014 ** accordance with the commercial license agreement provided with the 00015 ** Software or, alternatively, in accordance with the terms contained in 00016 ** a written agreement between you and Lionel Marty 00017 ** 00018 ** GNU General Public License Usage 00019 ** Alternatively, this file may be used under the terms of the GNU 00020 ** General Public License version 3.0 as published by the Free Software 00021 ** Foundation and appearing in the file 'license.gpl3.txt' included in the 00022 ** packaging of this file. Please review the following information to 00023 ** ensure the GNU General Public License version 3.0 requirements will be 00024 ** met : http://www.gnu.org/copyleft/gpl.html 00025 ** 00026 ** If you are unsure which license is appropriate for your use, or 00027 ** if you have questions regarding the use of this file, please contact : 00028 ** contact@qxorm.com 00029 ** 00030 ****************************************************************************/ 00031 00032 #ifndef _QX_IS_PTR_TO_POD_H_ 00033 #define _QX_IS_PTR_TO_POD_H_ 00034 00035 #ifdef _MSC_VER 00036 #pragma once 00037 #endif 00038 00046 #include <boost/mpl/if.hpp> 00047 #include <boost/mpl/logical.hpp> 00048 #include <boost/type_traits/is_pointer.hpp> 00049 00050 #include <QxTraits/is_qx_pod.h> 00051 00052 namespace qx { 00053 namespace trait { 00054 00059 template <typename T> 00060 class is_ptr_to_pod 00061 { 00062 00063 private: 00064 00065 template <typename U> 00066 static typename boost::mpl::if_c<qx::trait::is_qx_pod<U>::value, char, int>::type removePtr(const volatile U * const volatile); 00067 00068 static int removePtr(...); 00069 static T t; 00070 00071 public: 00072 00073 enum { value = (boost::is_pointer<T>::value && (sizeof(qx::trait::is_ptr_to_pod<T>::removePtr(t)) == sizeof(char))) }; 00074 00075 typedef typename boost::mpl::if_c<qx::trait::is_ptr_to_pod<T>::value, boost::mpl::true_, boost::mpl::false_>::type type; 00076 00077 }; 00078 00079 } // namespace trait 00080 } // namespace qx 00081 00082 #endif // _QX_IS_PTR_TO_POD_H_