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include/QxTraits/remove_attr.h

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+/****************************************************************************
+**
+** 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_REMOVE_ATTR_H_
+#define _QX_REMOVE_ATTR_H_
+
+#ifdef _MSC_VER
+#pragma once
+#endif
+
+/*!
+ * \file remove_attr.h
+ * \author XDL Team
+ * \ingroup QxTraits
+ * \brief qx::trait::remove_attr<T>::type : return a type without pointer, const, reference and/or volatile attributes
+ */
+
+namespace qx
+{
+   namespace trait
+   {
+
+      /*!
+       * \ingroup QxTraits
+       * \brief qx::trait::remove_attr<T>::type : return a type without pointer, const, reference and/or volatile attributes
+       */
+      template <typename T, bool bRemovePtr = true, bool bRemoveConst = true, bool bRemoveRef = true, bool bRemoveVolatile = true>
+      class remove_attr
+      {
+
+      private:
+         typedef typename std::conditional<bRemovePtr, typename std::remove_pointer<T>::type, T>::type type_1;
+         typedef typename std::conditional<bRemoveConst, typename std::remove_const<type_1>::type, type_1>::type type_2;
+         typedef typename std::conditional<bRemoveRef, typename std::remove_reference<type_2>::type, type_2>::type type_3;
+         typedef typename std::conditional<bRemoveVolatile, typename std::remove_volatile<type_3>::type, type_3>::type type_4;
+
+      public:
+         typedef type_4 type;
+      };
+
+   } // namespace trait
+} // namespace qx
+
+#endif // _QX_REMOVE_ATTR_H_