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QxOrm
1.2.3
C++ Object Relational Mapping library
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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_ANY_CAST_DYNAMIC_H_ 00027 #define _QX_ANY_CAST_DYNAMIC_H_ 00028 00029 #ifdef _MSC_VER 00030 #pragma once 00031 #endif 00032 00040 #include <boost/any.hpp> 00041 #include <boost/shared_ptr.hpp> 00042 00043 #include <QtCore/qsharedpointer.h> 00044 00045 #include <QxDao/QxDaoPointer.h> 00046 00047 namespace qx { 00048 00049 template <typename T> 00050 struct any_cast_dynamic 00051 { static T get(const boost::any & a) { return boost::any_cast<T>(a); } }; 00052 00053 template <typename T> 00054 struct any_cast_dynamic<T *> 00055 { 00056 static T * get(const boost::any & a) 00057 { 00058 if (a.empty()) { return NULL; } 00059 boost::any * b = const_cast<boost::any *>(& a); 00060 T ** t = boost::unsafe_any_cast<T *>(b); 00061 if (! t) { return NULL; } 00062 return (* t); 00063 } 00064 }; 00065 00066 template <typename T> 00067 struct any_cast_dynamic< boost::shared_ptr<T> > 00068 { 00069 static boost::shared_ptr<T> get(const boost::any & a) 00070 { 00071 if (a.empty()) { return boost::shared_ptr<T>(); } 00072 boost::any * b = const_cast<boost::any *>(& a); 00073 boost::shared_ptr<T> * t = boost::unsafe_any_cast< boost::shared_ptr<T> >(b); 00074 if (! t) { return boost::shared_ptr<T>(); } 00075 return (* t); 00076 } 00077 }; 00078 00079 template <typename T> 00080 struct any_cast_dynamic< QSharedPointer<T> > 00081 { 00082 static QSharedPointer<T> get(const boost::any & a) 00083 { 00084 if (a.empty()) { return QSharedPointer<T>(); } 00085 boost::any * b = const_cast<boost::any *>(& a); 00086 QSharedPointer<T> * t = boost::unsafe_any_cast< QSharedPointer<T> >(b); 00087 if (! t) { return QSharedPointer<T>(); } 00088 return (* t); 00089 } 00090 }; 00091 00092 template <typename T> 00093 struct any_cast_dynamic< qx::dao::ptr<T> > 00094 { 00095 static qx::dao::ptr<T> get(const boost::any & a) 00096 { 00097 if (a.empty()) { return qx::dao::ptr<T>(); } 00098 boost::any * b = const_cast<boost::any *>(& a); 00099 qx::dao::ptr<T> * t = boost::unsafe_any_cast< qx::dao::ptr<T> >(b); 00100 if (! t) { return qx::dao::ptr<T>(); } 00101 return (* t); 00102 } 00103 }; 00104 00105 } // namespace qx 00106 00107 #endif // _QX_ANY_CAST_DYNAMIC_H_