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is_container.h
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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_H_
    00027 #define _QX_IS_CONTAINER_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_unordered_map.h>
    00045 #include <QxTraits/is_boost_unordered_set.h>
    00046 #include <QxTraits/is_qt_hash.h>
    00047 #include <QxTraits/is_qt_linked_list.h>
    00048 #include <QxTraits/is_qt_list.h>
    00049 #include <QxTraits/is_qt_map.h>
    00050 #include <QxTraits/is_qt_multi_hash.h>
    00051 #include <QxTraits/is_qt_multi_map.h>
    00052 #include <QxTraits/is_qt_set.h>
    00053 #include <QxTraits/is_qt_vector.h>
    00054 #include <QxTraits/is_qx_collection.h>
    00055 #include <QxTraits/is_std_list.h>
    00056 #include <QxTraits/is_std_map.h>
    00057 #include <QxTraits/is_std_set.h>
    00058 #include <QxTraits/is_std_vector.h>
    00059
    00060 namespace qx {
    00061 namespace trait {
    00062
    00067 template <typename T>
    00068 class is_container
    00069 {
    00070
    00071 private:
    00072
    00073    typedef typename boost::mpl::or_< qx::trait::is_boost_unordered_map<T>,
    00074                                      qx::trait::is_boost_unordered_set<T>,
    00075                                      qx::trait::is_qt_hash<T>,
    00076                                      qx::trait::is_qt_linked_list<T> >::type cond_is_container_1;
    00077
    00078    typedef typename boost::mpl::or_< typename qx::trait::is_container<T>::cond_is_container_1,
    00079                                      qx::trait::is_qt_list<T>,
    00080                                      qx::trait::is_qt_map<T>,
    00081                                      qx::trait::is_qt_multi_hash<T> >::type cond_is_container_2;
    00082
    00083    typedef typename boost::mpl::or_< typename qx::trait::is_container<T>::cond_is_container_2,
    00084                                      qx::trait::is_qt_multi_map<T>,
    00085                                      qx::trait::is_qt_set<T>,
    00086                                      qx::trait::is_qt_vector<T> >::type cond_is_container_3;
    00087
    00088    typedef typename boost::mpl::or_< typename qx::trait::is_container<T>::cond_is_container_3,
    00089                                      qx::trait::is_qx_collection<T>,
    00090                                      qx::trait::is_std_list<T>,
    00091                                      qx::trait::is_std_map<T> >::type cond_is_container_4;
    00092
    00093    typedef typename boost::mpl::or_< typename qx::trait::is_container<T>::cond_is_container_4,
    00094                                      qx::trait::is_std_set<T>,
    00095                                      qx::trait::is_std_vector<T> >::type cond_is_container_5;
    00096
    00097    typedef typename boost::mpl::if_< typename qx::trait::is_container<T>::cond_is_container_5,
    00098                                      boost::mpl::true_,
    00099                                      boost::mpl::false_ >::type type_is_container;
    00100
    00101 public:
    00102
    00103    enum { value = qx::trait::is_container<T>::type_is_container::value };
    00104
    00105    typedef typename qx::trait::is_container<T>::type_is_container type;
    00106
    00107 };
    00108
    00109 } // namespace trait
    00110 } // namespace qx
    00111
    00112 #endif // _QX_IS_CONTAINER_H_