QxOrm 1.1.8
C++ Object Relational Mapping library
is_boost_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
00008 **
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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 #ifndef _QX_IS_BOOST_SCOPED_PTR_H_
00027 #define _QX_IS_BOOST_SCOPED_PTR_H_
00028 
00029 #ifdef _MSC_VER
00030 #pragma once
00031 #endif
00032 
00040 #include <boost/scoped_ptr.hpp>
00041 #include <boost/mpl/if.hpp>
00042 #include <boost/mpl/logical.hpp>
00043 
00044 namespace qx {
00045 namespace trait {
00046 
00051 template <typename T>
00052 class is_boost_scoped_ptr
00053 {
00054 
00055 private:
00056 
00057    template <typename V> static char isSmartPtr(const boost::scoped_ptr<V> &);
00058    static int isSmartPtr(...);
00059    static T t;
00060 
00061 public:
00062 
00063    enum { value = (sizeof(qx::trait::is_boost_scoped_ptr<T>::isSmartPtr(t)) == sizeof(char)) };
00064 
00065    typedef typename boost::mpl::if_c<qx::trait::is_boost_scoped_ptr<T>::value, 
00066                                      boost::mpl::true_, 
00067                                      boost::mpl::false_>::type type;
00068 
00069 };
00070 
00071 } // namespace trait
00072 } // namespace qx
00073 
00074 #endif // _QX_IS_BOOST_SCOPED_PTR_H_
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