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221 lines
7.8 KiB
221 lines
7.8 KiB
/* /////////////////////////////////////////////////////////////////////////
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* File: comstl/conversion/method_cast.hpp
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*
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* Purpose: COM memory functions.
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*
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* Created: 20th December 2003
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* Updated: 26th May 2010
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*
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* Home: http://stlsoft.org/
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*
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* Copyright (c) 2003-2010, Matthew Wilson and Synesis Software
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name(s) of Matthew Wilson and Synesis Software nor the names of
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* any contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* ////////////////////////////////////////////////////////////////////// */
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/** \file comstl/conversion/method_cast.hpp
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*
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* \brief [C++ only] Definition of the comstl::method_cast suite of
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* cast functions
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* (\ref group__library__conversion "Conversion" Library).
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*/
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#ifndef COMSTL_INCL_COMSTL_CONVERSION_HPP_METHOD_CAST
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#define COMSTL_INCL_COMSTL_CONVERSION_HPP_METHOD_CAST
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#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
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# define COMSTL_VER_COMSTL_CONVERSION_HPP_METHOD_CAST_MAJOR 2
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# define COMSTL_VER_COMSTL_CONVERSION_HPP_METHOD_CAST_MINOR 2
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# define COMSTL_VER_COMSTL_CONVERSION_HPP_METHOD_CAST_REVISION 1
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# define COMSTL_VER_COMSTL_CONVERSION_HPP_METHOD_CAST_EDIT 33
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#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
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/* /////////////////////////////////////////////////////////////////////////
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* Auto-generation and compatibility
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*/
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/*
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[Incompatibilies-start]
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STLSOFT_COMPILER_IS_GCC: __GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 4)
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[Incompatibilies-end]
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*/
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/* /////////////////////////////////////////////////////////////////////////
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* Includes
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*/
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#ifndef COMSTL_INCL_COMSTL_H_COMSTL
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# include <comstl/comstl.h>
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#endif /* !COMSTL_INCL_COMSTL_H_COMSTL */
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/* /////////////////////////////////////////////////////////////////////////
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* Namespace
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*/
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#ifndef _COMSTL_NO_NAMESPACE
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# if defined(_STLSOFT_NO_NAMESPACE) || \
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defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
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/* There is no stlsoft namespace, so must define ::comstl */
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namespace comstl
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{
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# else
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/* Define stlsoft::comstl_project */
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namespace stlsoft
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{
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namespace comstl_project
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{
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# endif /* _STLSOFT_NO_NAMESPACE */
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#endif /* !_COMSTL_NO_NAMESPACE */
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/* /////////////////////////////////////////////////////////////////////////
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* Functions
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*/
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#if 0
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template< ss_typename_param_k R
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, ss_typename_param_k V
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>
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inline R& transfer_resource(R& r, V v)
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{
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// COMSTL_MESSAGE_ASSERT("Resource destination not empty!", 0 == r);
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r = v;
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return r;
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}
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#endif /* 0 */
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inline ss_sint8_t& transfer_resource(ss_sint8_t& r, ss_sint8_t v) { return ((r = v), r); }
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inline ss_uint8_t& transfer_resource(ss_uint8_t& r, ss_uint8_t v) { return ((r = v), r); }
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inline ss_sint16_t& transfer_resource(ss_sint16_t& r, ss_sint16_t v) { return ((r = v), r); }
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inline ss_uint16_t& transfer_resource(ss_uint16_t& r, ss_uint16_t v) { return ((r = v), r); }
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inline ss_sint32_t& transfer_resource(ss_sint32_t& r, ss_sint32_t v) { return ((r = v), r); }
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inline ss_uint32_t& transfer_resource(ss_uint32_t& r, ss_uint32_t v) { return ((r = v), r); }
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#ifdef STLSOFT_CF_64BIT_INT_SUPPORT
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inline ss_sint64_t& transfer_resource(ss_sint64_t& r, ss_sint64_t v) { return ((r = v), r); }
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inline ss_uint64_t& transfer_resource(ss_uint64_t& r, ss_uint64_t v) { return ((r = v), r); }
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#endif /* !STLSOFT_CF_64BIT_INT_SUPPORT */
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#ifdef STLSOFT_CF_CHAR_DISTINCT_INT_TYPE
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inline signed char& transfer_resource(signed char& r, signed char v) { return ((r = v), r); }
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inline unsigned char& transfer_resource(unsigned char& r, unsigned char v) { return ((r = v), r); }
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#endif /* STLSOFT_CF_CHAR_DISTINCT_INT_TYPE */
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#ifdef STLSOFT_CF_SHORT_DISTINCT_INT_TYPE
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inline signed short& transfer_resource(signed short& r, signed short v) { return ((r = v), r); }
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inline unsigned short& transfer_resource(unsigned short& r, unsigned short v) { return ((r = v), r); }
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#endif /* STLSOFT_CF_SHORT_DISTINCT_INT_TYPE */
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#ifdef STLSOFT_CF_INT_DISTINCT_INT_TYPE
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inline signed int& transfer_resource(signed int& r, signed int v) { return ((r = v), r); }
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inline unsigned int& transfer_resource(unsigned int& r, unsigned int v) { return ((r = v), r); }
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#endif /* STLSOFT_CF_INT_DISTINCT_INT_TYPE */
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#ifdef STLSOFT_CF_LONG_DISTINCT_INT_TYPE
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inline signed long& transfer_resource(signed long& r, signed long v) { return ((r = v), r); }
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inline unsigned long& transfer_resource(unsigned long& r, unsigned long v) { return ((r = v), r); }
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#endif /* STLSOFT_CF_LONG_DISTINCT_INT_TYPE */
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inline float& transfer_resource(float& r, float v) { return ((r = v), r); }
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inline double& transfer_resource(double& r, double v) { return ((r = v), r); }
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inline long double& transfer_resource(long double& r, long double v) { return ((r = v), r); }
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inline bool& transfer_resource(bool& r, VARIANT_BOOL v) { return ((r = VARIANT_FALSE != v), r); }
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template< ss_typename_param_k R
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, ss_typename_param_k V
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>
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inline R*& transfer_resource(R*& r, V* v)
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{
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COMSTL_MESSAGE_ASSERT("Resource destination not empty!", 0 == r);
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return (r = v);
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}
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/** \brief
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*
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* \ingroup group__library__conversion
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*/
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template< ss_typename_param_k R
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, ss_typename_param_k C
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, ss_typename_param_k V
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>
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inline R method_cast(C& c, HRESULT (C::*pfn)(V*))
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{
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R r = R();
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V v;
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HRESULT hr = (c.*pfn)(&v);
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if(SUCCEEDED(hr))
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{
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return transfer_resource(r, v);
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}
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return r;
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}
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/** \brief
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*
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* \ingroup group__library__conversion
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*/
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template< ss_typename_param_k R
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, ss_typename_param_k C
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, ss_typename_param_k V
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>
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inline R method_cast(C *c, HRESULT (STDAPICALLTYPE C::*pfn)(V*))
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{
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R r = R();
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V v;
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HRESULT hr = (c->*pfn)(&v);
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if(SUCCEEDED(hr))
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{
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return transfer_resource(r, v);
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}
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return r;
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}
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/* ////////////////////////////////////////////////////////////////////// */
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#ifndef _COMSTL_NO_NAMESPACE
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# if defined(_STLSOFT_NO_NAMESPACE) || \
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defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
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} // namespace comstl
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# else
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} // namespace stlsoft::comstl_project
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} // namespace stlsoft
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# endif /* _STLSOFT_NO_NAMESPACE */
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#endif /* !_COMSTL_NO_NAMESPACE */
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/* ////////////////////////////////////////////////////////////////////// */
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#endif /* !COMSTL_INCL_COMSTL_CONVERSION_HPP_METHOD_CAST */
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/* ///////////////////////////// end of file //////////////////////////// */
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