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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_IS_CONTAINER_KEY_VALUE_H_ 00027 #define _QX_IS_CONTAINER_KEY_VALUE_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_container.h> 00045 00046 namespace qx { 00047 namespace trait { 00048 00053 template <typename T> 00054 class is_container_key_value 00055 { 00056 00057 private: 00058 00059 typedef typename boost::mpl::or_< qx::trait::is_boost_unordered_map<T>, 00060 qx::trait::is_std_map<T>, 00061 qx::trait::is_qt_map<T>, 00062 qx::trait::is_qt_hash<T> >::type cond_is_container_key_value_1; 00063 00064 typedef typename boost::mpl::or_< typename qx::trait::is_container_key_value<T>::cond_is_container_key_value_1, 00065 qx::trait::is_qt_multi_map<T>, 00066 qx::trait::is_qt_multi_hash<T>, 00067 qx::trait::is_qx_collection<T> >::type cond_is_container_key_value_2; 00068 00069 typedef typename boost::mpl::if_< typename qx::trait::is_container_key_value<T>::cond_is_container_key_value_2, 00070 boost::mpl::true_, 00071 boost::mpl::false_ >::type type_is_container_key_value; 00072 00073 public: 00074 00075 enum { value = (qx::trait::is_container<T>::value && qx::trait::is_container_key_value<T>::type_is_container_key_value::value) }; 00076 00077 typedef typename boost::mpl::if_c<qx::trait::is_container_key_value<T>::value, boost::mpl::true_, boost::mpl::false_>::type type; 00078 00079 }; 00080 00081 } // namespace trait 00082 } // namespace qx 00083 00084 #endif // _QX_IS_CONTAINER_KEY_VALUE_H_