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.
128 lines
4.5 KiB
128 lines
4.5 KiB
/* /////////////////////////////////////////////////////////////////////////
|
|
* File: stlsoft/functional/equal_ptr.hpp
|
|
*
|
|
* Purpose: Definition of stlsoft::equal_ptr predicate class.
|
|
*
|
|
* Created: 7th November 2004
|
|
* Updated: 10th August 2009
|
|
*
|
|
* Home: http://stlsoft.org/
|
|
*
|
|
* Copyright (c) 2004-2009, 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/functional/equal_ptr.hpp
|
|
*
|
|
* \brief [C++ only] Definition of the stlsoft::equal_ptr predicate, which
|
|
* uses attribute shims to generalise comparison of raw/smart pointers
|
|
* (\ref group__library__functional "Functional" Library).
|
|
*/
|
|
|
|
#ifndef STLSOFT_INCL_STLSOFT_FUNCTIONAL_HPP_EQUAL_PTR
|
|
#define STLSOFT_INCL_STLSOFT_FUNCTIONAL_HPP_EQUAL_PTR
|
|
|
|
#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
|
|
# define STLSOFT_VER_STLSOFT_FUNCTIONAL_HPP_EQUAL_PTR_MAJOR 3
|
|
# define STLSOFT_VER_STLSOFT_FUNCTIONAL_HPP_EQUAL_PTR_MINOR 0
|
|
# define STLSOFT_VER_STLSOFT_FUNCTIONAL_HPP_EQUAL_PTR_REVISION 1
|
|
# define STLSOFT_VER_STLSOFT_FUNCTIONAL_HPP_EQUAL_PTR_EDIT 23
|
|
#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
|
|
|
|
/* /////////////////////////////////////////////////////////////////////////
|
|
* Includes
|
|
*/
|
|
|
|
#ifndef STLSOFT_INCL_STLSOFT_H_STLSOFT
|
|
# include <stlsoft/stlsoft.h>
|
|
#endif /* !STLSOFT_INCL_STLSOFT_H_STLSOFT */
|
|
#ifndef STLSOFT_INCL_STLSOFT_SHIMS_ATTRIBUTE_HPP_GET_PTR
|
|
# include <stlsoft/shims/attribute/get_ptr.hpp>
|
|
#endif /* !STLSOFT_INCL_STLSOFT_SHIMS_ATTRIBUTE_HPP_GET_PTR */
|
|
|
|
#ifdef STLSOFT_CF_std_NAMESPACE
|
|
# include <functional>
|
|
#endif /* STLSOFT_CF_std_NAMESPACE */
|
|
|
|
/* /////////////////////////////////////////////////////////////////////////
|
|
* Namespace
|
|
*/
|
|
|
|
#ifndef _STLSOFT_NO_NAMESPACE
|
|
namespace stlsoft
|
|
{
|
|
#endif /* _STLSOFT_NO_NAMESPACE */
|
|
|
|
/* /////////////////////////////////////////////////////////////////////////
|
|
* Classes
|
|
*/
|
|
|
|
/** \brief Predicate used to test the equivalence of pointers
|
|
*
|
|
* \ingroup group__library__functional
|
|
*
|
|
*/
|
|
template< ss_typename_param_k P
|
|
, ss_typename_param_k A = P const&
|
|
>
|
|
// [[synesis:class:function-class:unary-predicate: equal_ptr]]
|
|
struct equal_ptr
|
|
#ifdef STLSOFT_CF_std_NAMESPACE
|
|
: public stlsoft_ns_qual_std(unary_function)<A, ss_bool_t>
|
|
#endif /* STLSOFT_CF_std_NAMESPACE */
|
|
{
|
|
public:
|
|
equal_ptr(P t)
|
|
: m_p(t)
|
|
{}
|
|
|
|
public:
|
|
/// Returns true if the given instance's underlying pointer is
|
|
/// equal to that of the contained pointer.
|
|
ss_bool_t operator ()(A p) const
|
|
{
|
|
return stlsoft_ns_qual(get_ptr)(p) == stlsoft_ns_qual(get_ptr)(m_p);
|
|
}
|
|
|
|
private:
|
|
P m_p;
|
|
};
|
|
|
|
|
|
/* ////////////////////////////////////////////////////////////////////// */
|
|
|
|
#ifndef _STLSOFT_NO_NAMESPACE
|
|
} // namespace stlsoft
|
|
#endif /* _STLSOFT_NO_NAMESPACE */
|
|
|
|
/* ////////////////////////////////////////////////////////////////////// */
|
|
|
|
#endif /* !STLSOFT_INCL_STLSOFT_FUNCTIONAL_HPP_EQUAL_PTR */
|
|
|
|
/* ///////////////////////////// end of file //////////////////////////// */
|