QxOrm  1.4.5
C++ Object Relational Mapping library
is_smart_ptr_to_pod.h
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00031 
00032 #ifndef _QX_IS_SMART_PTR_TO_POD_H_
00033 #define _QX_IS_SMART_PTR_TO_POD_H_
00034 
00035 #ifdef _MSC_VER
00036 #pragma once
00037 #endif
00038 
00046 #include <QxTraits/is_smart_ptr.h>
00047 #include <QxTraits/is_qx_pod.h>
00048 
00049 namespace qx {
00050 namespace trait {
00051 
00056 template <typename T>
00057 class is_smart_ptr_to_pod
00058 {
00059 
00060 private:
00061 
00062 #ifdef _QX_ENABLE_BOOST
00063 
00064    template <typename U>
00065    static typename std::conditional<qx::trait::is_qx_pod<U>::value, char, int>::type removeSmartPtr(const boost::scoped_ptr<U> &);
00066 
00067    template <typename U>
00068    static typename std::conditional<qx::trait::is_qx_pod<U>::value, char, int>::type removeSmartPtr(const boost::shared_ptr<U> &);
00069 
00070    template <typename U>
00071    static typename std::conditional<qx::trait::is_qx_pod<U>::value, char, int>::type removeSmartPtr(const boost::weak_ptr<U> &);
00072 
00073    template <typename U>
00074    static typename std::conditional<qx::trait::is_qx_pod<U>::value, char, int>::type removeSmartPtr(const boost::intrusive_ptr<U> &);
00075 
00076 #endif // _QX_ENABLE_BOOST
00077 
00078    template <typename U>
00079    static typename std::conditional<qx::trait::is_qx_pod<U>::value, char, int>::type removeSmartPtr(const QSharedDataPointer<U> &);
00080 
00081    template <typename U>
00082    static typename std::conditional<qx::trait::is_qx_pod<U>::value, char, int>::type removeSmartPtr(const QSharedPointer<U> &);
00083 
00084    template <typename U>
00085    static typename std::conditional<qx::trait::is_qx_pod<U>::value, char, int>::type removeSmartPtr(const QWeakPointer<U> &);
00086 
00087    template <typename U>
00088    static typename std::conditional<qx::trait::is_qx_pod<U>::value, char, int>::type removeSmartPtr(const qx::dao::ptr<U> &);
00089 
00090    template <typename U>
00091    static typename std::conditional<qx::trait::is_qx_pod<U>::value, char, int>::type removeSmartPtr(const std::unique_ptr<U> &);
00092 
00093    template <typename U>
00094    static typename std::conditional<qx::trait::is_qx_pod<U>::value, char, int>::type removeSmartPtr(const std::shared_ptr<U> &);
00095 
00096    template <typename U>
00097    static typename std::conditional<qx::trait::is_qx_pod<U>::value, char, int>::type removeSmartPtr(const std::weak_ptr<U> &);
00098 
00099    static int removeSmartPtr(...);
00100    static T t;
00101 
00102 public:
00103 
00104    enum { value = (qx::trait::is_smart_ptr<T>::value && (sizeof(qx::trait::is_smart_ptr_to_pod<T>::removeSmartPtr(t)) == sizeof(char))) };
00105 
00106    typedef typename std::conditional<qx::trait::is_smart_ptr_to_pod<T>::value, std::true_type, std::false_type>::type type;
00107 
00108 };
00109 
00110 } // namespace trait
00111 } // namespace qx
00112 
00113 #endif // _QX_IS_SMART_PTR_TO_POD_H_