QxOrm  1.4.4
C++ Object Relational Mapping library
is_container_to_pod.h
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00031 
00032 #ifndef _QX_IS_CONTAINER_TO_POD_H_
00033 #define _QX_IS_CONTAINER_TO_POD_H_
00034 
00035 #ifdef _MSC_VER
00036 #pragma once
00037 #endif
00038 
00039 #include <QxTraits/is_container.h>
00040 #include <QxTraits/is_qx_pod.h>
00041 
00042 namespace qx {
00043 namespace trait {
00044 
00045 template <typename T>
00046 class is_container_to_pod
00047 {
00048 
00049 private:
00050 
00051    template <typename U>
00052    static typename std::conditional<qx::trait::is_qx_pod<U>::value, char, int>::type removeContainer(const std::vector<U> &);
00053 
00054    template <typename U>
00055    static typename std::conditional<qx::trait::is_qx_pod<U>::value, char, int>::type removeContainer(const std::list<U> &);
00056 
00057    template <typename U>
00058    static typename std::conditional<qx::trait::is_qx_pod<U>::value, char, int>::type removeContainer(const std::set<U> &);
00059 
00060    template <typename U>
00061    static typename std::conditional<qx::trait::is_qx_pod<U>::value, char, int>::type removeContainer(const QVector<U> &);
00062 
00063    template <typename U>
00064    static typename std::conditional<qx::trait::is_qx_pod<U>::value, char, int>::type removeContainer(const QList<U> &);
00065 
00066    template <typename U>
00067    static typename std::conditional<qx::trait::is_qx_pod<U>::value, char, int>::type removeContainer(const QSet<U> &);
00068 
00069    template <typename U>
00070    static typename std::conditional<qx::trait::is_qx_pod<U>::value, char, int>::type removeContainer(const QLinkedList<U> &);
00071 
00072 #ifdef _QX_ENABLE_BOOST
00073 
00074    template <typename U>
00075    static typename std::conditional<qx::trait::is_qx_pod<U>::value, char, int>::type removeContainer(const boost::unordered_set<U> &);
00076 
00077    template <typename U>
00078    static typename std::conditional<qx::trait::is_qx_pod<U>::value, char, int>::type removeContainer(const boost::unordered_multiset<U> &);
00079 
00080 #endif // _QX_ENABLE_BOOST
00081 
00082    template <typename U>
00083    static typename std::conditional<qx::trait::is_qx_pod<U>::value, char, int>::type removeContainer(const std::unordered_set<U> &);
00084 
00085    template <typename U>
00086    static typename std::conditional<qx::trait::is_qx_pod<U>::value, char, int>::type removeContainer(const std::unordered_multiset<U> &);
00087 
00088    static int removeContainer(...);
00089    static T t;
00090 
00091 public:
00092 
00093    enum { value = (qx::trait::is_container<T>::value && (sizeof(qx::trait::is_container_to_pod<T>::removeContainer(t)) == sizeof(char))) };
00094 
00095    typedef typename std::conditional<qx::trait::is_container_to_pod<T>::value, std::true_type, std::false_type>::type type;
00096 
00097 };
00098 
00099 } // namespace trait
00100 } // namespace qx
00101 
00102 #endif // _QX_IS_CONTAINER_TO_POD_H_