QxOrm  1.2.8
C++ Object Relational Mapping library
is_container.h
Go to the documentation of this file.
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_CONTAINER_H_
00033 #define _QX_IS_CONTAINER_H_
00034 
00035 #ifdef _MSC_VER
00036 #pragma once
00037 #endif
00038 
00046 #include <boost/mpl/if.hpp>
00047 #include <boost/mpl/or.hpp>
00048 #include <boost/mpl/logical.hpp>
00049 
00050 #include <QxTraits/is_boost_unordered_map.h>
00051 #include <QxTraits/is_boost_unordered_set.h>
00052 #include <QxTraits/is_qt_hash.h>
00053 #include <QxTraits/is_qt_linked_list.h>
00054 #include <QxTraits/is_qt_list.h>
00055 #include <QxTraits/is_qt_map.h>
00056 #include <QxTraits/is_qt_multi_hash.h>
00057 #include <QxTraits/is_qt_multi_map.h>
00058 #include <QxTraits/is_qt_set.h>
00059 #include <QxTraits/is_qt_vector.h>
00060 #include <QxTraits/is_qx_collection.h>
00061 #include <QxTraits/is_std_list.h>
00062 #include <QxTraits/is_std_map.h>
00063 #include <QxTraits/is_std_set.h>
00064 #include <QxTraits/is_std_vector.h>
00065 
00066 namespace qx {
00067 namespace trait {
00068 
00073 template <typename T>
00074 class is_container
00075 {
00076 
00077 private:
00078 
00079    typedef typename boost::mpl::or_< qx::trait::is_boost_unordered_map<T>, 
00080                                      qx::trait::is_boost_unordered_set<T>, 
00081                                      qx::trait::is_qt_hash<T>, 
00082                                      qx::trait::is_qt_linked_list<T> >::type cond_is_container_1;
00083 
00084    typedef typename boost::mpl::or_< typename qx::trait::is_container<T>::cond_is_container_1, 
00085                                      qx::trait::is_qt_list<T>, 
00086                                      qx::trait::is_qt_map<T>, 
00087                                      qx::trait::is_qt_multi_hash<T> >::type cond_is_container_2;
00088 
00089    typedef typename boost::mpl::or_< typename qx::trait::is_container<T>::cond_is_container_2, 
00090                                      qx::trait::is_qt_multi_map<T>, 
00091                                      qx::trait::is_qt_set<T>, 
00092                                      qx::trait::is_qt_vector<T> >::type cond_is_container_3;
00093 
00094    typedef typename boost::mpl::or_< typename qx::trait::is_container<T>::cond_is_container_3, 
00095                                      qx::trait::is_qx_collection<T>, 
00096                                      qx::trait::is_std_list<T>, 
00097                                      qx::trait::is_std_map<T> >::type cond_is_container_4;
00098 
00099    typedef typename boost::mpl::or_< typename qx::trait::is_container<T>::cond_is_container_4, 
00100                                      qx::trait::is_std_set<T>, 
00101                                      qx::trait::is_std_vector<T> >::type cond_is_container_5;
00102 
00103    typedef typename boost::mpl::if_< typename qx::trait::is_container<T>::cond_is_container_5, 
00104                                      boost::mpl::true_, 
00105                                      boost::mpl::false_ >::type type_is_container;
00106 
00107 public:
00108 
00109    enum { value = qx::trait::is_container<T>::type_is_container::value };
00110 
00111    typedef typename qx::trait::is_container<T>::type_is_container type;
00112 
00113 };
00114 
00115 } // namespace trait
00116 } // namespace qx
00117 
00118 #endif // _QX_IS_CONTAINER_H_