QxOrm  1.2.6
C++ Object Relational Mapping library
is_qt_scoped_ptr.h
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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
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00019 ** Alternatively, this file may be used under the terms of the GNU
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00031 
00032 #if (QT_VERSION >= 0x040600)
00033 #ifndef _QX_IS_QT_SCOPED_PTR_H_
00034 #define _QX_IS_QT_SCOPED_PTR_H_
00035 
00036 #ifdef _MSC_VER
00037 #pragma once
00038 #endif
00039 
00047 #include <QtCore/qscopedpointer.h>
00048 
00049 #include <boost/mpl/if.hpp>
00050 #include <boost/mpl/logical.hpp>
00051 
00052 namespace qx {
00053 namespace trait {
00054 
00059 template <typename T>
00060 class is_qt_scoped_ptr
00061 {
00062 
00063 private:
00064 
00065    template <typename V> static char isSmartPtr(QScopedPointer<V>);
00066    static int isSmartPtr(...);
00067    static T t;
00068 
00069 public:
00070 
00071    enum { value = (sizeof(qx::trait::is_qt_scoped_ptr<T>::isSmartPtr(t)) == sizeof(char)) };
00072 
00073    typedef typename boost::mpl::if_c<qx::trait::is_qt_scoped_ptr<T>::value, 
00074                                      boost::mpl::true_, 
00075                                      boost::mpl::false_>::type type;
00076 
00077 };
00078 
00079 } // namespace trait
00080 } // namespace qx
00081 
00082 #endif // _QX_IS_QT_SCOPED_PTR_H_
00083 #endif // (QT_VERSION >= 0x040600)
00084 
00085 #if (QT_VERSION < 0x040600)
00086 #ifndef _QX_IS_QT_SCOPED_PTR_H_
00087 #define _QX_IS_QT_SCOPED_PTR_H_
00088 namespace qx { namespace trait {
00089 template <typename T>
00090 class is_qt_scoped_ptr
00091 { public: enum { value = false }; typedef boost::mpl::false_ type; };
00092 } } // namespace qx::trait
00093 #endif // _QX_IS_QT_SCOPED_PTR_H_
00094 #endif // (QT_VERSION < 0x040600)