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QxAnyCastDynamic.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 :
    00028 ** contact@qxorm.com
    00029 **
    00030 ****************************************************************************/
    00031
    00032 #ifndef _QX_ANY_CAST_DYNAMIC_H_
    00033 #define _QX_ANY_CAST_DYNAMIC_H_
    00034
    00035 #ifdef _MSC_VER
    00036 #pragma once
    00037 #endif
    00038
    00046 #include <QtCore/qsharedpointer.h>
    00047
    00048 #include <QxCommon/QxAny.h>
    00049
    00050 #include <QxDao/QxDaoPointer.h>
    00051
    00052 namespace qx {
    00053
    00054 template <typename T>
    00055 struct any_cast_dynamic
    00056 { static T get(const qx::any & a) { return qx::any_cast<T>(a); } };
    00057
    00058 template <typename T>
    00059 struct any_cast_dynamic<T *>
    00060 {
    00061    static T * get(const qx::any & a)
    00062    {
    00063       if (a.empty()) { return NULL; }
    00064       qx::any * b = const_cast<qx::any *>(& a);
    00065       T ** t = qx::unsafe_any_cast<T *>(b);
    00066       if (! t) { return NULL; }
    00067       return (* t);
    00068    }
    00069 };
    00070
    00071 #ifdef _QX_ENABLE_BOOST
    00072
    00073 template <typename T>
    00074 struct any_cast_dynamic< boost::shared_ptr<T> >
    00075 {
    00076    static boost::shared_ptr<T> get(const qx::any & a)
    00077    {
    00078       if (a.empty()) { return boost::shared_ptr<T>(); }
    00079       qx::any * b = const_cast<qx::any *>(& a);
    00080       boost::shared_ptr<T> * t = qx::unsafe_any_cast< boost::shared_ptr<T> >(b);
    00081       if (! t) { return boost::shared_ptr<T>(); }
    00082       return (* t);
    00083    }
    00084 };
    00085
    00086 #endif // _QX_ENABLE_BOOST
    00087
    00088 template <typename T>
    00089 struct any_cast_dynamic< QSharedPointer<T> >
    00090 {
    00091    static QSharedPointer<T> get(const qx::any & a)
    00092    {
    00093       if (a.empty()) { return QSharedPointer<T>(); }
    00094       qx::any * b = const_cast<qx::any *>(& a);
    00095       QSharedPointer<T> * t = qx::unsafe_any_cast< QSharedPointer<T> >(b);
    00096       if (! t) { return QSharedPointer<T>(); }
    00097       return (* t);
    00098    }
    00099 };
    00100
    00101 template <typename T>
    00102 struct any_cast_dynamic< qx::dao::ptr<T> >
    00103 {
    00104    static qx::dao::ptr<T> get(const qx::any & a)
    00105    {
    00106       if (a.empty()) { return qx::dao::ptr<T>(); }
    00107       qx::any * b = const_cast<qx::any *>(& a);
    00108       qx::dao::ptr<T> * t = qx::unsafe_any_cast< qx::dao::ptr<T> >(b);
    00109       if (! t) { return qx::dao::ptr<T>(); }
    00110       return (* t);
    00111    }
    00112 };
    00113
    00114 template <typename T>
    00115 struct any_cast_dynamic< std::shared_ptr<T> >
    00116 {
    00117    static std::shared_ptr<T> get(const qx::any & a)
    00118    {
    00119       if (a.empty()) { return std::shared_ptr<T>(); }
    00120       qx::any * b = const_cast<qx::any *>(& a);
    00121       std::shared_ptr<T> * t = qx::unsafe_any_cast< std::shared_ptr<T> >(b);
    00122       if (! t) { return std::shared_ptr<T>(); }
    00123       return (* t);
    00124    }
    00125 };
    00126
    00127 } // namespace qx
    00128
    00129 #endif // _QX_ANY_CAST_DYNAMIC_H_