| QxOrm 1.1.8 C++ Object Relational Mapping library

- Main Page
- Modules
- Namespaces
- Classes
- Files
- Directories

- File List
- File Members

is_smart_ptr_base_of.h
Go to the documentation of this file.

    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_BASE_OF_H_
    00027 #define _QX_IS_SMART_PTR_BASE_OF_H_
    00028
    00029 #ifdef _MSC_VER
    00030 #pragma once
    00031 #endif
    00032
    00040 #include <boost/mpl/if.hpp>
    00041 #include <boost/mpl/logical.hpp>
    00042 #include <boost/type_traits/is_base_of.hpp>
    00043
    00044 #include <QxTraits/is_smart_ptr.h>
    00045
    00046 #define qx_smart_ptr_base_of_test_0() (sizeof(qx::trait::is_smart_ptr_base_of<B, D>::removeSmartPtr(b, d)) == sizeof(char))
    00047 #define qx_smart_ptr_base_of_test_1() (sizeof(qx::trait::is_smart_ptr_base_of<B, D>::removeSmartPtr((* b_boost_scoped_ptr), d)) == sizeof(char))
    00048 #define qx_smart_ptr_base_of_test_2() (sizeof(qx::trait::is_smart_ptr_base_of<B, D>::removeSmartPtr((* b_boost_shared_ptr), d)) == sizeof(char))
    00049 #define qx_smart_ptr_base_of_test_3() (sizeof(qx::trait::is_smart_ptr_base_of<B, D>::removeSmartPtr((* b_boost_weak_ptr), d)) == sizeof(char))
    00050 #define qx_smart_ptr_base_of_test_4() (sizeof(qx::trait::is_smart_ptr_base_of<B, D>::removeSmartPtr((* b_boost_intrusive_ptr), d)) == sizeof(char))
    00051 #define qx_smart_ptr_base_of_test_5() (sizeof(qx::trait::is_smart_ptr_base_of<B, D>::removeSmartPtr((* b_qt_shared_data_ptr), d)) == sizeof(char))
    00052 #define qx_smart_ptr_base_of_test_6() (sizeof(qx::trait::is_smart_ptr_base_of<B, D>::removeSmartPtr((* b_qt_shared_ptr), d)) == sizeof(char))
    00053 #define qx_smart_ptr_base_of_test_7() (sizeof(qx::trait::is_smart_ptr_base_of<B, D>::removeSmartPtr((* b_qt_weak_ptr), d)) == sizeof(char))
    00054 #define qx_smart_ptr_base_of_test_8() (sizeof(qx::trait::is_smart_ptr_base_of<B, D>::removeSmartPtr((* b_qx_dao_ptr), d)) == sizeof(char))
    00055
    00056 #define qx_smart_ptr_base_of_all_test() \
    00057 qx_smart_ptr_base_of_test_1() || qx_smart_ptr_base_of_test_2() || qx_smart_ptr_base_of_test_3() || \
    00058 qx_smart_ptr_base_of_test_4() || qx_smart_ptr_base_of_test_5() || qx_smart_ptr_base_of_test_6() || \
    00059 qx_smart_ptr_base_of_test_7() || qx_smart_ptr_base_of_test_8()
    00060
    00061 namespace qx {
    00062 namespace trait {
    00063
    00068 template <typename B, typename D>
    00069 class is_smart_ptr_base_of
    00070 {
    00071
    00072 private:
    00073
    00074    template <typename V, typename W>
    00075    static typename boost::mpl::if_c<boost::is_base_of<V, W>::value, char, int>::type removeSmartPtr(const boost::scoped_ptr<V> &, const boost::scoped_ptr<W> &);
    00076
    00077    template <typename V, typename W>
    00078    static typename boost::mpl::if_c<boost::is_base_of<V, W>::value, char, int>::type removeSmartPtr(const boost::shared_ptr<V> &, const boost::shared_ptr<W> &);
    00079
    00080    template <typename V, typename W>
    00081    static typename boost::mpl::if_c<boost::is_base_of<V, W>::value, char, int>::type removeSmartPtr(const boost::weak_ptr<V> &, const boost::weak_ptr<W> &);
    00082
    00083    template <typename V, typename W>
    00084    static typename boost::mpl::if_c<boost::is_base_of<V, W>::value, char, int>::type removeSmartPtr(const boost::intrusive_ptr<V> &, const boost::intrusive_ptr<W> &);
    00085
    00086    template <typename V, typename W>
    00087    static typename boost::mpl::if_c<boost::is_base_of<V, W>::value, char, int>::type removeSmartPtr(const QSharedDataPointer<V> &, const QSharedDataPointer<W> &);
    00088
    00089    template <typename V, typename W>
    00090    static typename boost::mpl::if_c<boost::is_base_of<V, W>::value, char, int>::type removeSmartPtr(const QSharedPointer<V> &, const QSharedPointer<W> &);
    00091
    00092    template <typename V, typename W>
    00093    static typename boost::mpl::if_c<boost::is_base_of<V, W>::value, char, int>::type removeSmartPtr(const QWeakPointer<V> &, const QWeakPointer<W> &);
    00094
    00095    template <typename V, typename W>
    00096    static typename boost::mpl::if_c<boost::is_base_of<V, W>::value, char, int>::type removeSmartPtr(const qx::dao::ptr<V> &, const qx::dao::ptr<W> &);
    00097
    00098    static int removeSmartPtr(...);
    00099    static B b;
    00100    static D d;
    00101
    00102    static boost::scoped_ptr<B> * b_boost_scoped_ptr;
    00103    static boost::shared_ptr<B> * b_boost_shared_ptr;
    00104    static boost::weak_ptr<B> * b_boost_weak_ptr;
    00105    static boost::intrusive_ptr<B> * b_boost_intrusive_ptr;
    00106    static QSharedDataPointer<B> * b_qt_shared_data_ptr;
    00107    static QSharedPointer<B> * b_qt_shared_ptr;
    00108    static QWeakPointer<B> * b_qt_weak_ptr;
    00109    static qx::dao::ptr<B> * b_qx_dao_ptr;
    00110
    00111    enum { value_0 = (qx::trait::is_smart_ptr<D>::value) };
    00112    enum { value_1 = (qx::trait::is_smart_ptr<B>::value) };
    00113    enum { value_2 = ((value_0 && value_1) ? qx_smart_ptr_base_of_test_0() : 0) };
    00114    enum { value_3 = ((value_0 && ! value_1) ? qx_smart_ptr_base_of_all_test() : 0) };
    00115
    00116 public:
    00117
    00118    enum { value = (qx::trait::is_smart_ptr_base_of<B, D>::value_2 || qx::trait::is_smart_ptr_base_of<B, D>::value_3) };
    00119
    00120    typedef typename boost::mpl::if_c<qx::trait::is_smart_ptr_base_of<B, D>::value, boost::mpl::true_, boost::mpl::false_>::type type;
    00121
    00122 };
    00123
    00124 } // namespace trait
    00125 } // namespace qx
    00126
    00127 #endif // _QX_IS_SMART_PTR_BASE_OF_H_

All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines