QxOrm  1.4.3
C++ Object Relational Mapping library
remove_attr.h
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00001 /****************************************************************************
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00004 ** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
00005 **
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00031 
00032 #ifndef _QX_REMOVE_ATTR_H_
00033 #define _QX_REMOVE_ATTR_H_
00034 
00035 #ifdef _MSC_VER
00036 #pragma once
00037 #endif
00038 
00046 #include <boost/mpl/if.hpp>
00047 #include <boost/mpl/logical.hpp>
00048 
00049 #include <boost/type_traits/remove_pointer.hpp>
00050 #include <boost/type_traits/remove_const.hpp>
00051 #include <boost/type_traits/remove_reference.hpp>
00052 #include <boost/type_traits/remove_volatile.hpp>
00053 
00054 namespace qx {
00055 namespace trait {
00056 
00061 template <typename T, bool bRemovePtr = true, bool bRemoveConst = true, bool bRemoveRef = true, bool bRemoveVolatile = true>
00062 class remove_attr
00063 {
00064 
00065 private:
00066 
00067    typedef typename boost::mpl::if_c<bRemovePtr, typename boost::remove_pointer<T>::type, T>::type type_1;
00068    typedef typename boost::mpl::if_c<bRemoveConst, typename boost::remove_const<type_1>::type, type_1>::type type_2;
00069    typedef typename boost::mpl::if_c<bRemoveRef, typename boost::remove_reference<type_2>::type, type_2>::type type_3;
00070    typedef typename boost::mpl::if_c<bRemoveVolatile, typename boost::remove_volatile<type_3>::type, type_3>::type type_4;
00071 
00072 public:
00073 
00074    typedef type_4 type;
00075 
00076 };
00077 
00078 } // namespace trait
00079 } // namespace qx
00080 
00081 #endif // _QX_REMOVE_ATTR_H_