QxOrm  1.2.3
C++ Object Relational Mapping library
is_qt_scoped_ptr.h
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00003 ** http://www.qxorm.com/
00004 ** http://sourceforge.net/projects/qxorm/
00005 ** Original file by Lionel Marty
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00007 ** This file is part of the QxOrm library
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00013 ** GNU Lesser General Public License Usage
00014 ** This file must be used under the terms of the GNU Lesser
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00025 
00026 #if (QT_VERSION >= 0x040600)
00027 #ifndef _QX_IS_QT_SCOPED_PTR_H_
00028 #define _QX_IS_QT_SCOPED_PTR_H_
00029 
00030 #ifdef _MSC_VER
00031 #pragma once
00032 #endif
00033 
00041 #include <QtCore/qscopedpointer.h>
00042 
00043 #include <boost/mpl/if.hpp>
00044 #include <boost/mpl/logical.hpp>
00045 
00046 namespace qx {
00047 namespace trait {
00048 
00053 template <typename T>
00054 class is_qt_scoped_ptr
00055 {
00056 
00057 private:
00058 
00059    template <typename V> static char isSmartPtr(QScopedPointer<V>);
00060    static int isSmartPtr(...);
00061    static T t;
00062 
00063 public:
00064 
00065    enum { value = (sizeof(qx::trait::is_qt_scoped_ptr<T>::isSmartPtr(t)) == sizeof(char)) };
00066 
00067    typedef typename boost::mpl::if_c<qx::trait::is_qt_scoped_ptr<T>::value, 
00068                                      boost::mpl::true_, 
00069                                      boost::mpl::false_>::type type;
00070 
00071 };
00072 
00073 } // namespace trait
00074 } // namespace qx
00075 
00076 #endif // _QX_IS_QT_SCOPED_PTR_H_
00077 #endif // (QT_VERSION >= 0x040600)
00078 
00079 #if (QT_VERSION < 0x040600)
00080 #ifndef _QX_IS_QT_SCOPED_PTR_H_
00081 #define _QX_IS_QT_SCOPED_PTR_H_
00082 namespace qx { namespace trait {
00083 template <typename T>
00084 class is_qt_scoped_ptr
00085 { public: enum { value = false }; typedef boost::mpl::false_ type; };
00086 } } // namespace qx::trait
00087 #endif // _QX_IS_QT_SCOPED_PTR_H_
00088 #endif // (QT_VERSION < 0x040600)