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is_smart_ptr.h
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    00001 /****************************************************************************
    00002 **
    00003 ** http://www.qxorm.com/
    00004 ** http://sourceforge.net/projects/qxorm/
    00005 ** Original file by Lionel Marty
    00006 **
    00007 ** This file is part of the QxOrm library
    00008 **
    00009 ** This software is provided 'as-is', without any express or implied
    00010 ** warranty. In no event will the authors be held liable for any
    00011 ** damages arising from the use of this software.
    00012 **
    00013 ** GNU Lesser General Public License Usage
    00014 ** This file must be used under the terms of the GNU Lesser
    00015 ** General Public License version 2.1 as published by the Free Software
    00016 ** Foundation and appearing in the file 'license.lgpl.txt' included in the
    00017 ** packaging of this file.  Please review the following information to
    00018 ** ensure the GNU Lesser General Public License version 2.1 requirements
    00019 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    00020 **
    00021 ** If you have questions regarding the use of this file, please contact :
    00022 ** contact@qxorm.com
    00023 **
    00024 ****************************************************************************/
    00025
    00026 #ifndef _QX_IS_SMART_PTR_H_
    00027 #define _QX_IS_SMART_PTR_H_
    00028
    00029 #ifdef _MSC_VER
    00030 #pragma once
    00031 #endif
    00032
    00040 #include <boost/mpl/if.hpp>
    00041 #include <boost/mpl/or.hpp>
    00042 #include <boost/mpl/logical.hpp>
    00043
    00044 #include <QxTraits/is_boost_intrusive_ptr.h>
    00045 #include <QxTraits/is_boost_scoped_ptr.h>
    00046 #include <QxTraits/is_boost_shared_ptr.h>
    00047 #include <QxTraits/is_boost_weak_ptr.h>
    00048 #include <QxTraits/is_qt_shared_data_ptr.h>
    00049 #include <QxTraits/is_qt_scoped_ptr.h>
    00050 #include <QxTraits/is_qt_shared_ptr.h>
    00051 #include <QxTraits/is_qt_weak_ptr.h>
    00052 #include <QxTraits/is_qx_dao_ptr.h>
    00053
    00054 namespace qx {
    00055 namespace trait {
    00056
    00061 template <typename T>
    00062 class is_smart_ptr
    00063 {
    00064
    00065 private:
    00066
    00067    typedef typename boost::mpl::or_< qx::trait::is_qx_dao_ptr<T>,
    00068                                      qx::trait::is_boost_intrusive_ptr<T>,
    00069                                      qx::trait::is_boost_scoped_ptr<T>,
    00070                                      qx::trait::is_boost_shared_ptr<T>,
    00071                                      qx::trait::is_boost_weak_ptr<T> >::type cond_is_boost_smart_ptr;
    00072
    00073    typedef typename boost::mpl::or_< typename qx::trait::is_smart_ptr<T>::cond_is_boost_smart_ptr,
    00074                                      qx::trait::is_qt_scoped_ptr<T>,
    00075                                      qx::trait::is_qt_shared_ptr<T>,
    00076                                      qx::trait::is_qt_weak_ptr<T>,
    00077                                      qx::trait::is_qt_shared_data_ptr<T> >::type cond_is_smart_ptr;
    00078
    00079    typedef typename boost::mpl::if_< typename qx::trait::is_smart_ptr<T>::cond_is_smart_ptr,
    00080                                      boost::mpl::true_,
    00081                                      boost::mpl::false_ >::type type_is_smart_ptr;
    00082
    00083 public:
    00084
    00085    enum { value = qx::trait::is_smart_ptr<T>::type_is_smart_ptr::value };
    00086
    00087    typedef typename qx::trait::is_smart_ptr<T>::type_is_smart_ptr type;
    00088
    00089 };
    00090
    00091 } // namespace trait
    00092 } // namespace qx
    00093
    00094 #endif // _QX_IS_SMART_PTR_H_

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