QxOrm  1.3.2
C++ Object Relational Mapping library
is_container.h
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00002 **
00003 ** http://www.qxorm.com/
00004 ** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
00005 **
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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 #include <QxTraits/is_std_unordered_map.h>
00066 #include <QxTraits/is_std_unordered_set.h>
00067 
00068 namespace qx {
00069 namespace trait {
00070 
00075 template <typename T>
00076 class is_container
00077 {
00078 
00079 private:
00080 
00081    typedef typename boost::mpl::or_< qx::trait::is_boost_unordered_map<T>, 
00082                                      qx::trait::is_boost_unordered_set<T>, 
00083                                      qx::trait::is_qt_hash<T>, 
00084                                      qx::trait::is_qt_linked_list<T> >::type cond_is_container_1;
00085 
00086    typedef typename boost::mpl::or_< typename qx::trait::is_container<T>::cond_is_container_1, 
00087                                      qx::trait::is_qt_list<T>, 
00088                                      qx::trait::is_qt_map<T>, 
00089                                      qx::trait::is_qt_multi_hash<T> >::type cond_is_container_2;
00090 
00091    typedef typename boost::mpl::or_< typename qx::trait::is_container<T>::cond_is_container_2, 
00092                                      qx::trait::is_qt_multi_map<T>, 
00093                                      qx::trait::is_qt_set<T>, 
00094                                      qx::trait::is_qt_vector<T> >::type cond_is_container_3;
00095 
00096    typedef typename boost::mpl::or_< typename qx::trait::is_container<T>::cond_is_container_3, 
00097                                      qx::trait::is_qx_collection<T>, 
00098                                      qx::trait::is_std_list<T>, 
00099                                      qx::trait::is_std_map<T> >::type cond_is_container_4;
00100 
00101    typedef typename boost::mpl::or_< typename qx::trait::is_container<T>::cond_is_container_4, 
00102                                      qx::trait::is_std_set<T>, 
00103                                      qx::trait::is_std_vector<T> >::type cond_is_container_5;
00104 
00105 #if (defined(_QX_CPP_11_CONTAINER) && !defined(BOOST_NO_CXX11_STD_UNORDERED))
00106 
00107    typedef typename boost::mpl::or_< typename qx::trait::is_container<T>::cond_is_container_5, 
00108                                      qx::trait::is_std_unordered_map<T>, 
00109                                      qx::trait::is_std_unordered_set<T> >::type cond_is_container_6;
00110 
00111    typedef typename boost::mpl::if_< typename qx::trait::is_container<T>::cond_is_container_6, 
00112                                      boost::mpl::true_, 
00113                                      boost::mpl::false_ >::type type_is_container;
00114 
00115 #else // (defined(_QX_CPP_11_CONTAINER) && !defined(BOOST_NO_CXX11_STD_UNORDERED))
00116 
00117    typedef typename boost::mpl::if_< typename qx::trait::is_container<T>::cond_is_container_5, 
00118                                      boost::mpl::true_, 
00119                                      boost::mpl::false_ >::type type_is_container;
00120 
00121 #endif // (defined(_QX_CPP_11_CONTAINER) && !defined(BOOST_NO_CXX11_STD_UNORDERED))
00122 
00123 public:
00124 
00125    enum { value = qx::trait::is_container<T>::type_is_container::value };
00126 
00127    typedef typename qx::trait::is_container<T>::type_is_container type;
00128 
00129 };
00130 
00131 } // namespace trait
00132 } // namespace qx
00133 
00134 #endif // _QX_IS_CONTAINER_H_