first commit

include/QxCommon/QxAnyCastDynamic.h

@@ -0,0 +1,162 @@
+/****************************************************************************
+**
+** https://www.qxorm.com/
+** Copyright (C) 2013 XDL Team (ic-east.com)
+**
+** This file is part of the QxOrm library
+**
+** This software is provided 'as-is', without any express or implied
+** warranty. In no event will the authors be held liable for any
+** damages arising from the use of this software
+**
+** Commercial Usage
+** Licensees holding valid commercial QxOrm licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and XDL Team
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file 'license.gpl3.txt' included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met : http://www.gnu.org/copyleft/gpl.html
+**
+** If you are unsure which license is appropriate for your use, or
+** if you have questions regarding the use of this file, please contact :
+** ic-east.com
+**
+****************************************************************************/
+
+#ifndef _QX_ANY_CAST_DYNAMIC_H_
+#define _QX_ANY_CAST_DYNAMIC_H_
+
+#ifdef _MSC_VER
+#pragma once
+#endif
+
+/*!
+ * \file QxAnyCastDynamic.h
+ * \author XDL Team
+ * \ingroup QxCommon
+ * \brief qx::any_cast_dynamic<T>::get() : provides a tool to use qx::any_cast and polymorphism
+ */
+
+#include <QtCore/qsharedpointer.h>
+
+#include <QxCommon/QxAny.h>
+
+#include <QxDao/QxDaoPointer.h>
+
+namespace qx
+{
+
+   template <typename T>
+   struct any_cast_dynamic
+   {
+      static T get(const qx::any &a) { return qx::any_cast<T>(a); }
+   };
+
+   template <typename T>
+   struct any_cast_dynamic<T *>
+   {
+      static T *get(const qx::any &a)
+      {
+         if (a.empty())
+         {
+            return NULL;
+         }
+         qx::any *b = const_cast<qx::any *>(&a);
+         T **t = qx::unsafe_any_cast<T *>(b);
+         if (!t)
+         {
+            return NULL;
+         }
+         return (*t);
+      }
+   };
+
+#ifdef _QX_ENABLE_BOOST
+
+   template <typename T>
+   struct any_cast_dynamic<boost::shared_ptr<T>>
+   {
+      static boost::shared_ptr<T> get(const qx::any &a)
+      {
+         if (a.empty())
+         {
+            return boost::shared_ptr<T>();
+         }
+         qx::any *b = const_cast<qx::any *>(&a);
+         boost::shared_ptr<T> *t = qx::unsafe_any_cast<boost::shared_ptr<T>>(b);
+         if (!t)
+         {
+            return boost::shared_ptr<T>();
+         }
+         return (*t);
+      }
+   };
+
+#endif // _QX_ENABLE_BOOST
+
+   template <typename T>
+   struct any_cast_dynamic<QSharedPointer<T>>
+   {
+      static QSharedPointer<T> get(const qx::any &a)
+      {
+         if (a.empty())
+         {
+            return QSharedPointer<T>();
+         }
+         qx::any *b = const_cast<qx::any *>(&a);
+         QSharedPointer<T> *t = qx::unsafe_any_cast<QSharedPointer<T>>(b);
+         if (!t)
+         {
+            return QSharedPointer<T>();
+         }
+         return (*t);
+      }
+   };
+
+   template <typename T>
+   struct any_cast_dynamic<qx::dao::ptr<T>>
+   {
+      static qx::dao::ptr<T> get(const qx::any &a)
+      {
+         if (a.empty())
+         {
+            return qx::dao::ptr<T>();
+         }
+         qx::any *b = const_cast<qx::any *>(&a);
+         qx::dao::ptr<T> *t = qx::unsafe_any_cast<qx::dao::ptr<T>>(b);
+         if (!t)
+         {
+            return qx::dao::ptr<T>();
+         }
+         return (*t);
+      }
+   };
+
+   template <typename T>
+   struct any_cast_dynamic<std::shared_ptr<T>>
+   {
+      static std::shared_ptr<T> get(const qx::any &a)
+      {
+         if (a.empty())
+         {
+            return std::shared_ptr<T>();
+         }
+         qx::any *b = const_cast<qx::any *>(&a);
+         std::shared_ptr<T> *t = qx::unsafe_any_cast<std::shared_ptr<T>>(b);
+         if (!t)
+         {
+            return std::shared_ptr<T>();
+         }
+         return (*t);
+      }
+   };
+
+} // namespace qx
+
+#endif // _QX_ANY_CAST_DYNAMIC_H_