---

stlsoft_type_traits.h

Go to the documentation of this file.

/* 
 * File:        stlsoft_type_traits.h
 *
 * Purpose:     type traits classes.
 *
 * Created:     24th August 2003
 * Updated:     11th September 2004
 *
 * Home:        http://stlsoft.org/
 *
 * Copyright (c) 2003-2004, Matthew Wilson and Synesis Software
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 * - Neither the name(s) of Matthew Wilson and Synesis Software nor the names of
 *   any contributors may be used to endorse or promote products derived from
 *   this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * 



#ifndef STLSOFT_INCL_H_STLSOFT_TYPE_TRAITS
#define STLSOFT_INCL_H_STLSOFT_TYPE_TRAITS

#ifndef __STLSOFT_DOCUMENTATION_SKIP_SECTION
# define STLSOFT_VER_H_STLSOFT_TYPE_TRAITS_MAJOR        2
# define STLSOFT_VER_H_STLSOFT_TYPE_TRAITS_MINOR        0
# define STLSOFT_VER_H_STLSOFT_TYPE_TRAITS_REVISION     1
# define STLSOFT_VER_H_STLSOFT_TYPE_TRAITS_EDIT         12
#endif /* !__STLSOFT_DOCUMENTATION_SKIP_SECTION */

/* 
 * Includes
 */

#ifndef STLSOFT_INCL_H_STLSOFT
# include "stlsoft.h"   // Include the STLSoft root header
#endif /* !STLSOFT_INCL_H_STLSOFT */

/* 
 * Namespace
 */

#ifndef _STLSOFT_NO_NAMESPACE
namespace stlsoft
{
#endif /* _STLSOFT_NO_NAMESPACE */

/* 
 * Classes
 */

#ifdef __STLSOFT_CF_TEMPLATE_PARTIAL_SPECIALISATION_SUPPORT

template <typename T>
struct base_type_traits
{
    enum { is_pointer       =   0 };
    enum { is_reference     =   0 };
    enum { is_const         =   0 };
    enum { is_volatile      =   0 };

    typedef T   base_type;
    typedef T   cv_type;
};

# ifndef __STLSOFT_DOCUMENTATION_SKIP_SECTION

template <typename T>
struct base_type_traits<T*>
{
    enum { is_pointer       =   1 };
    enum { is_reference     =   0 };
    enum { is_const         =   0 };
    enum { is_volatile      =   0 };

    typedef T   base_type;
    typedef T   cv_type;
};

template <typename T>
struct base_type_traits<T const*>
{
    enum { is_pointer       =   1 };
    enum { is_reference     =   0 };
    enum { is_const         =   1 };
    enum { is_volatile      =   0 };

    typedef T       base_type;
    typedef T const cv_type;
};

template <typename T>
struct base_type_traits<T volatile*>
{
    enum { is_pointer       =   1 };
    enum { is_reference     =   0 };
    enum { is_const         =   0 };
    enum { is_volatile      =   1 };

    typedef T           base_type;
    typedef T volatile  cv_type;
};

template <typename T>
struct base_type_traits<T const volatile*>
{
    enum { is_pointer       =   1 };
    enum { is_reference     =   0 };
    enum { is_const         =   1 };
    enum { is_volatile      =   1 };

    typedef T                   base_type;
    typedef T const volatile    cv_type;
};

template <typename T>
struct base_type_traits<T&>
{
    enum { is_pointer       =   0 };
    enum { is_reference     =   1 };
    enum { is_const         =   0 };
    enum { is_volatile      =   0 };

    typedef T   base_type;
    typedef T   cv_type;
};

template <typename T>
struct base_type_traits<T const&>
{
    enum { is_pointer       =   0 };
    enum { is_reference     =   1 };
    enum { is_const         =   1 };
    enum { is_volatile      =   0 };

    typedef T       base_type;
    typedef T const cv_type;
};

template <typename T>
struct base_type_traits<T volatile&>
{
    enum { is_pointer       =   0 };
    enum { is_reference     =   1 };
    enum { is_const         =   0 };
    enum { is_volatile      =   1 };

    typedef T           base_type;
    typedef T volatile  cv_type;
};

template <typename T>
struct base_type_traits<T const volatile&>
{
    enum { is_pointer       =   0 };
    enum { is_reference     =   1 };
    enum { is_const         =   1 };
    enum { is_volatile      =   1 };

    typedef T                   base_type;
    typedef T const volatile    cv_type;
};

# endif /* !__STLSOFT_DOCUMENTATION_SKIP_SECTION */

#else /* ? __STLSOFT_CF_TEMPLATE_PARTIAL_SPECIALISATION_SUPPORT */

#endif // __STLSOFT_CF_TEMPLATE_PARTIAL_SPECIALISATION_SUPPORT



/* 

#ifndef _STLSOFT_NO_NAMESPACE
} // namespace stlsoft
#endif /* _STLSOFT_NO_NAMESPACE */

/* 

#endif /* !STLSOFT_INCL_H_STLSOFT_TYPE_TRAITS */

/* 

STLSoft Libraries documentation © Synesis Software Pty Ltd, 2001-2004