You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 

354 lines
8.6 KiB

/* /////////////////////////////////////////////////////////////////////////
* File: stlsoft/util/argument_proxies.hpp (originally MLRefPrx.h, ::SynesisStd)
*
* Purpose: Const and non-const reference and pointer proxy classes.
*
* Created: 28th April 2000
* Updated: 10th August 2009
*
* Home: http://stlsoft.org/
*
* Copyright (c) 2000-2009, 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.
*
* ////////////////////////////////////////////////////////////////////// */
/** \file stlsoft/util/argument_proxies.hpp
*
* \brief [C++ only] Definition of the stlsoft::ptr_proxy(),
* stlsoft::const_ptr_proxy(), stlsoft::ref_proxy(),
* stlsoft::const_ref_proxy() and stlsoft::val_proxy() argument
* proxy creator functions
* (\ref group__library__utility "Utility" Library).
*/
#ifndef STLSOFT_INCL_STLSOFT_UTIL_HPP_ARGUMENT_PROXIES
#define STLSOFT_INCL_STLSOFT_UTIL_HPP_ARGUMENT_PROXIES
#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
# define STLSOFT_VER_STLSOFT_UTIL_HPP_ARGUMENT_PROXIES_MAJOR 4
# define STLSOFT_VER_STLSOFT_UTIL_HPP_ARGUMENT_PROXIES_MINOR 0
# define STLSOFT_VER_STLSOFT_UTIL_HPP_ARGUMENT_PROXIES_REVISION 3
# define STLSOFT_VER_STLSOFT_UTIL_HPP_ARGUMENT_PROXIES_EDIT 131
#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
/* /////////////////////////////////////////////////////////////////////////
* Includes
*/
#ifndef STLSOFT_INCL_STLSOFT_H_STLSOFT
# include <stlsoft/stlsoft.h>
#endif /* !STLSOFT_INCL_STLSOFT_H_STLSOFT */
/* /////////////////////////////////////////////////////////////////////////
* Namespace
*/
#ifndef _STLSOFT_NO_NAMESPACE
namespace stlsoft
{
#endif /* _STLSOFT_NO_NAMESPACE */
/* /////////////////////////////////////////////////////////////////////////
* Classes
*/
/** \brief Acts as a proxy for a pointer
*
* \ingroup group__library__utility
*
*/
// pointer_proxy
template <ss_typename_param_k A>
class pointer_proxy
{
public:
typedef A argument_type;
typedef argument_type* argument_pointer_type;
typedef pointer_proxy<A> class_type;
// const_ruction
public:
ss_explicit_k pointer_proxy(argument_pointer_type a)
: m_a(a)
{}
pointer_proxy(class_type const& rhs)
: m_a(rhs.m_a)
{}
// Accessors
public:
operator argument_pointer_type() const
{
return m_a;
}
// Members
private:
argument_pointer_type m_a;
// Not to be implemented
private:
class_type const& operator =(class_type const&);
};
/** \brief Acts as a proxy for a pointer-to-const
*
* \ingroup group__library__utility
*
*/
// const_pointer_proxy
template <ss_typename_param_k A>
class const_pointer_proxy
{
public:
typedef A argument_type;
typedef argument_type const* argument_pointer_type;
typedef const_pointer_proxy<A> class_type;
// const_ruction
public:
ss_explicit_k const_pointer_proxy(argument_pointer_type a)
: m_a(a)
{}
const_pointer_proxy(class_type const& rhs)
: m_a(rhs.m_a)
{}
// Accessors
public:
operator argument_pointer_type() const
{
return m_a;
}
// Members
private:
argument_pointer_type m_a;
// Not to be implemented
private:
class_type const& operator =(class_type const&);
};
/** \brief Acts as a proxy for a reference
*
* \ingroup group__library__utility
*
*/
// reference_proxy
template <ss_typename_param_k A>
class reference_proxy
{
public:
typedef A argument_type;
typedef argument_type& argument_reference_type;
typedef reference_proxy<A> class_type;
// const_ruction
public:
ss_explicit_k reference_proxy(argument_reference_type a)
: m_a(a)
{}
reference_proxy(class_type const& rhs)
: m_a(rhs.m_a)
{}
// Accessors
public:
operator argument_reference_type() const
{
return m_a;
}
// Members
private:
argument_reference_type m_a;
// Not to be implemented
private:
class_type const& operator =(class_type const&);
};
/** \brief Acts as a proxy for a reference-to-const
*
* \ingroup group__library__utility
*
*/
// const_reference_proxy
template <ss_typename_param_k A>
class const_reference_proxy
{
public:
typedef A argument_type;
typedef argument_type const& argument_reference_type;
typedef const_reference_proxy<A> class_type;
// const_ruction
public:
ss_explicit_k const_reference_proxy(argument_reference_type a)
: m_a(a)
{}
const_reference_proxy(class_type const& rhs)
: m_a(rhs.m_a)
{}
// Accessors
public:
operator argument_reference_type() const
{
return m_a;
}
// Members
private:
argument_reference_type m_a;
// Not to be implemented
private:
class_type const& operator =(class_type const&);
};
/** \brief Acts as a proxy for a value
*
* \ingroup group__library__utility
*
*/
// value_proxy
template <ss_typename_param_k A>
class value_proxy
{
public:
typedef A argument_type;
typedef value_proxy<A> class_type;
// const_ruction
public:
ss_explicit_k value_proxy(argument_type a)
: m_a(a)
{}
value_proxy(class_type const& rhs)
: m_a(rhs.m_a)
{}
// Accessors
public:
operator argument_type() const
{
return m_a;
}
// Members
private:
argument_type m_a;
// Not to be implemented
private:
class_type const& operator =(class_type const&);
};
/* /////////////////////////////////////////////////////////////////////////
* Forwarding functions
*/
/** \brief Creator function for the pointer_proxy
*
* \ingroup group__library__utility
*
*/
template <ss_typename_param_k A>
inline pointer_proxy<A> ptr_proxy(A* a)
{
return pointer_proxy<A>(a);
}
/** \brief Creator function for the const_pointer_proxy
*
* \ingroup group__library__utility
*
*/
template <ss_typename_param_k A>
inline const_pointer_proxy<A> const_ptr_proxy(A const* a)
{
return const_pointer_proxy<A>(a);
}
/** \brief Creator function for the reference_proxy
*
* \ingroup group__library__utility
*
*/
template <ss_typename_param_k A>
inline reference_proxy<A> ref_proxy(A& a)
{
return reference_proxy<A>(a);
}
/** \brief Creator function for the const_reference_proxy
*
* \ingroup group__library__utility
*
*/
template <ss_typename_param_k A>
inline const_reference_proxy<A> const_ref_proxy(A& a)
{
return const_reference_proxy<A>(a);
}
/** \brief Creator function for the value_proxy
*
* \ingroup group__library__utility
*
*/
template <ss_typename_param_k A>
inline value_proxy<A> val_proxy(A a)
{
return value_proxy<A>(a);
}
////////////////////////////////////////////////////////////////////////////
// Unit-testing
#ifdef STLSOFT_UNITTEST
# include "./unittest/argument_proxies_unittest_.h"
#endif /* STLSOFT_UNITTEST */
/* ////////////////////////////////////////////////////////////////////// */
#ifndef _STLSOFT_NO_NAMESPACE
} // namespace stlsoft
#endif /* _STLSOFT_NO_NAMESPACE */
/* ////////////////////////////////////////////////////////////////////// */
#endif /* !STLSOFT_INCL_STLSOFT_UTIL_HPP_ARGUMENT_PROXIES */
/* ///////////////////////////// end of file //////////////////////////// */