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is_container_base_of.h
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    00001 /****************************************************************************
    00002 **
    00003 ** https://www.qxorm.com/
    00004 ** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
    00005 **
    00006 ** This file is part of the QxOrm library
    00007 **
    00008 ** This software is provided 'as-is', without any express or implied
    00009 ** warranty. In no event will the authors be held liable for any
    00010 ** damages arising from the use of this software
    00011 **
    00012 ** Commercial Usage
    00013 ** Licensees holding valid commercial QxOrm licenses may use this file in
    00014 ** accordance with the commercial license agreement provided with the
    00015 ** Software or, alternatively, in accordance with the terms contained in
    00016 ** a written agreement between you and Lionel Marty
    00017 **
    00018 ** GNU General Public License Usage
    00019 ** Alternatively, this file may be used under the terms of the GNU
    00020 ** General Public License version 3.0 as published by the Free Software
    00021 ** Foundation and appearing in the file 'license.gpl3.txt' included in the
    00022 ** packaging of this file. Please review the following information to
    00023 ** ensure the GNU General Public License version 3.0 requirements will be
    00024 ** met : http://www.gnu.org/copyleft/gpl.html
    00025 **
    00026 ** If you are unsure which license is appropriate for your use, or
    00027 ** if you have questions regarding the use of this file, please contact :
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    00029 **
    00030 ****************************************************************************/
    00031
    00032 #ifndef _QX_IS_CONTAINER_BASE_OF_H_
    00033 #define _QX_IS_CONTAINER_BASE_OF_H_
    00034
    00035 #ifdef _MSC_VER
    00036 #pragma once
    00037 #endif
    00038
    00039 #include <QxTraits/is_container.h>
    00040
    00041 #define qx_container_base_of_test_0() (sizeof(qx::trait::is_container_base_of<B, D>::removeContainer(b, d)) == sizeof(char))
    00042 #define qx_container_base_of_test_1() (sizeof(qx::trait::is_container_base_of<B, D>::removeContainer((* b_std_vector), d)) == sizeof(char))
    00043 #define qx_container_base_of_test_2() (sizeof(qx::trait::is_container_base_of<B, D>::removeContainer((* b_std_list), d)) == sizeof(char))
    00044 #define qx_container_base_of_test_3() (sizeof(qx::trait::is_container_base_of<B, D>::removeContainer((* b_std_set), d)) == sizeof(char))
    00045 #define qx_container_base_of_test_4() (sizeof(qx::trait::is_container_base_of<B, D>::removeContainer((* b_qt_vector), d)) == sizeof(char))
    00046 #define qx_container_base_of_test_5() (sizeof(qx::trait::is_container_base_of<B, D>::removeContainer((* b_qt_list), d)) == sizeof(char))
    00047 #define qx_container_base_of_test_6() (sizeof(qx::trait::is_container_base_of<B, D>::removeContainer((* b_qt_set), d)) == sizeof(char))
    00048 #define qx_container_base_of_test_7() (sizeof(qx::trait::is_container_base_of<B, D>::removeContainer((* b_qt_linked_list), d)) == sizeof(char))
    00049 #define qx_container_base_of_test_8() (sizeof(qx::trait::is_container_base_of<B, D>::removeContainer((* b_boost_unordered_set), d)) == sizeof(char))
    00050 #define qx_container_base_of_test_9() (sizeof(qx::trait::is_container_base_of<B, D>::removeContainer((* b_boost_unordered_multi_set), d)) == sizeof(char))
    00051
    00052 #define qx_container_base_of_test_10() (sizeof(qx::trait::is_container_base_of<B, D>::removeContainer((* b_std_unordered_set), d)) == sizeof(char))
    00053 #define qx_container_base_of_test_11() (sizeof(qx::trait::is_container_base_of<B, D>::removeContainer((* b_std_unordered_multi_set), d)) == sizeof(char))
    00054
    00055 #define qx_container_base_of_all_test() \
    00056 qx_container_base_of_test_1() || qx_container_base_of_test_2() || qx_container_base_of_test_3() || \
    00057 qx_container_base_of_test_4() || qx_container_base_of_test_5() || qx_container_base_of_test_6() || \
    00058 qx_container_base_of_test_7() || qx_container_base_of_test_8() || qx_container_base_of_test_9() || \
    00059 qx_container_base_of_test_10() || qx_container_base_of_test_11()
    00060
    00061 namespace qx {
    00062 namespace trait {
    00063
    00064 template <typename B, typename D>
    00065 class is_container_base_of
    00066 {
    00067
    00068 private:
    00069
    00070    template <typename V, typename W>
    00071    static typename std::conditional<std::is_base_of<V, W>::value, char, int>::type removeContainer(const std::vector<V> &, const std::vector<W> &);
    00072
    00073    template <typename V, typename W>
    00074    static typename std::conditional<std::is_base_of<V, W>::value, char, int>::type removeContainer(const std::list<V> &, const std::list<W> &);
    00075
    00076    template <typename V, typename W>
    00077    static typename std::conditional<std::is_base_of<V, W>::value, char, int>::type removeContainer(const std::set<V> &, const std::set<W> &);
    00078
    00079 #if (QT_VERSION < 0x060000)
    00080    template <typename V, typename W>
    00081    static typename std::conditional<std::is_base_of<V, W>::value, char, int>::type removeContainer(const QVector<V> &, const QVector<W> &);
    00082 #endif // (QT_VERSION < 0x060000)
    00083
    00084    template <typename V, typename W>
    00085    static typename std::conditional<std::is_base_of<V, W>::value, char, int>::type removeContainer(const QList<V> &, const QList<W> &);
    00086
    00087    template <typename V, typename W>
    00088    static typename std::conditional<std::is_base_of<V, W>::value, char, int>::type removeContainer(const QSet<V> &, const QSet<W> &);
    00089
    00090 #if (QT_VERSION < 0x060000)
    00091    template <typename V, typename W>
    00092    static typename std::conditional<std::is_base_of<V, W>::value, char, int>::type removeContainer(const QLinkedList<V> &, const QLinkedList<W> &);
    00093 #endif // (QT_VERSION < 0x060000)
    00094
    00095 #ifdef _QX_ENABLE_BOOST
    00096
    00097    template <typename V, typename W>
    00098    static typename std::conditional<std::is_base_of<V, W>::value, char, int>::type removeContainer(const boost::unordered_set<V> &, const boost::unordered_set<W> &);
    00099
    00100    template <typename V, typename W>
    00101    static typename std::conditional<std::is_base_of<V, W>::value, char, int>::type removeContainer(const boost::unordered_multiset<V> &, const boost::unordered_multiset<W> &);
    00102
    00103 #endif // _QX_ENABLE_BOOST
    00104
    00105    template <typename V, typename W>
    00106    static typename std::conditional<std::is_base_of<V, W>::value, char, int>::type removeContainer(const std::unordered_set<V> &, const std::unordered_set<W> &);
    00107
    00108    template <typename V, typename W>
    00109    static typename std::conditional<std::is_base_of<V, W>::value, char, int>::type removeContainer(const std::unordered_multiset<V> &, const std::unordered_multiset<W> &);
    00110
    00111    static int removeContainer(...);
    00112    static B b;
    00113    static D d;
    00114
    00115    static std::vector<B> * b_std_vector;
    00116    static std::list<B> * b_std_list;
    00117    static std::set<B> * b_std_set;
    00118    static QVector<B> * b_qt_vector;
    00119    static QList<B> * b_qt_list;
    00120    static QSet<B> * b_qt_set;
    00121
    00122 #if (QT_VERSION < 0x060000)
    00123    static QLinkedList<B> * b_qt_linked_list;
    00124 #endif // (QT_VERSION < 0x060000)
    00125
    00126 #ifdef _QX_ENABLE_BOOST
    00127
    00128    static boost::unordered_set<B> * b_boost_unordered_set;
    00129    static boost::unordered_multiset<B> * b_boost_unordered_multi_set;
    00130
    00131 #endif // _QX_ENABLE_BOOST
    00132
    00133    static std::unordered_set<B> * b_std_unordered_set;
    00134    static std::unordered_multiset<B> * b_std_unordered_multi_set;
    00135
    00136    enum { value_0 = (qx::trait::is_container<D>::value) };
    00137    enum { value_1 = (qx::trait::is_container<B>::value) };
    00138    enum { value_2 = ((value_0 && value_1) ? qx_container_base_of_test_0() : 0) };
    00139    enum { value_3 = ((value_0 && ! value_1) ? qx_container_base_of_all_test() : 0) };
    00140
    00141 public:
    00142
    00143    enum { value = (qx::trait::is_container_base_of<B, D>::value_2 || qx::trait::is_container_base_of<B, D>::value_3) };
    00144
    00145    typedef typename std::conditional<qx::trait::is_container_base_of<B, D>::value, std::true_type, std::false_type>::type type;
    00146
    00147 };
    00148
    00149 } // namespace trait
    00150 } // namespace qx
    00151
    00152 #endif // _QX_IS_CONTAINER_BASE_OF_H_