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/* /////////////////////////////////////////////////////////////////////////
* File: comstl/string/olestring_functions.h (originally MOOleStr.h, ::SynesisCom)
*
* Purpose: Contains classes and functions for dealing with OLE/COM strings.
*
* Created: 2nd March 1996
* Updated: 10th August 2009
*
* Home: http://stlsoft.org/
*
* Copyright (c) 1996-2009, 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 comstl/string/olestring_functions.h
*
* \brief [C, C++] Functions for manipulating OLE/COM strings
* (\ref group__library__string "String" Library).
*/
#ifndef COMSTL_INCL_COMSTL_STRING_H_OLESTRING_FUNCTIONS
#define COMSTL_INCL_COMSTL_STRING_H_OLESTRING_FUNCTIONS
#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
# define COMSTL_VER_COMSTL_STRING_H_OLESTRING_FUNCTIONS_MAJOR 5
# define COMSTL_VER_COMSTL_STRING_H_OLESTRING_FUNCTIONS_MINOR 1
# define COMSTL_VER_COMSTL_STRING_H_OLESTRING_FUNCTIONS_REVISION 4
# define COMSTL_VER_COMSTL_STRING_H_OLESTRING_FUNCTIONS_EDIT 158
#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
/* /////////////////////////////////////////////////////////////////////////
* Includes
*/
#ifndef COMSTL_INCL_COMSTL_H_COMSTL
# include <comstl/comstl.h>
#endif /* !COMSTL_INCL_COMSTL_H_COMSTL */
#ifndef COMSTL_INCL_COMSTL_MEMORY_H_MEMORY_FUNCTIONS
# include <comstl/memory/functions.h>
#endif /* !COMSTL_INCL_COMSTL_MEMORY_H_MEMORY_FUNCTIONS */
#ifndef STLSOFT_INCL_STLSOFT_INTERNAL_H_SAFESTR
# include <stlsoft/internal/safestr.h>
#endif /* !STLSOFT_INCL_STLSOFT_INTERNAL_H_SAFESTR */
#ifndef STLSOFT_INCL_H_WCHAR
# define STLSOFT_INCL_H_WCHAR
# include <wchar.h>
#endif /* !STLSOFT_INCL_H_WCHAR */
/* /////////////////////////////////////////////////////////////////////////
* Namespace
*/
#if !defined(_COMSTL_NO_NAMESPACE) && \
!defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
# if defined(_STLSOFT_NO_NAMESPACE)
/* There is no stlsoft namespace, so must define ::comstl */
namespace comstl
{
# else
/* Define stlsoft::comstl_project */
namespace stlsoft
{
namespace comstl_project
{
# endif /* _STLSOFT_NO_NAMESPACE */
#endif /* !_COMSTL_NO_NAMESPACE */
/* /////////////////////////////////////////////////////////////////////////
* C functions
*/
/** \brief [C only] Creates an OLE string from an ANSI string
*
* \ingroup group__library__string
*
* \param s The string from which to create the OLE string
* \result The created OLE string
*/
STLSOFT_INLINE LPOLESTR comstl__olestring_create_a(cs_char_a_t const* s)
{
LPOLESTR posz;
if(NULL == s)
{
posz = NULL;
}
else
{
/* NOTE: All this posz2 hoop jumping is needed because BC++ gets confused. Ahh, bless it ... */
cs_size_t cch = stlsoft_static_cast(cs_size_t, STLSOFT_NS_GLOBAL(MultiByteToWideChar)(0, 0, s, -1, NULL, 0));
const LPOLESTR posz2 = stlsoft_static_cast(LPOLESTR, STLSOFT_NS_GLOBAL(CoTaskMemAlloc)(sizeof(OLECHAR) * (cch + 1)));
posz = posz2;
if(NULL != posz)
{
cs_size_t n = stlsoft_static_cast(cs_size_t, STLSOFT_NS_GLOBAL(MultiByteToWideChar)(0, 0, s, -1, posz2, stlsoft_static_cast(int, cch + 1)));
if(n < cch)
{
posz[n] = L'\0';
}
}
}
return posz;
}
/** \brief [C only] Creates an OLE string from a Unicode string
*
* \ingroup group__library__string
*
* \param s The string from which to create the OLE string
* \result The created OLE string
*/
STLSOFT_INLINE LPOLESTR comstl__olestring_create_w(cs_char_w_t const* s)
{
LPOLESTR posz;
if(NULL == s)
{
posz = NULL;
}
else
{
cs_size_t cch = STLSOFT_NS_GLOBAL(wcslen)(s);
posz = stlsoft_static_cast(LPOLESTR, STLSOFT_NS_GLOBAL(CoTaskMemAlloc)(sizeof(OLECHAR) * (cch + 1)));
if(NULL != posz)
{
#ifdef STLSOFT_USING_SAFE_STR_FUNCTIONS
STLSOFT_NS_GLOBAL(wcscpy_s)(posz, 1 + cch, s);
#else /* ? STLSOFT_USING_SAFE_STR_FUNCTIONS */
STLSOFT_NS_GLOBAL(wcscpy)(posz, s);
#endif /* STLSOFT_USING_SAFE_STR_FUNCTIONS */
}
}
return posz;
}
/** \brief [C only] Destroys an OLE string
*
* \ingroup group__library__string
*
* \param posz The OLE string to destroy
*/
STLSOFT_INLINE void comstl__olestring_destroy(LPOLESTR posz)
{
COMSTL_MESSAGE_ASSERT("Invalid request to destroy non-COM string", 0 != comstl__CoTaskMemDidAlloc(posz));
STLSOFT_NS_GLOBAL(CoTaskMemFree)(stlsoft_static_cast(LPVOID, posz));
}
/** \brief [C only] Duplicates an OLE string
*
* \ingroup group__library__string
*
* \param posz The OLE string to duplicate
* \return The copied OLE string
*/
STLSOFT_INLINE LPOLESTR comstl__olestring_dup(LPCOLESTR posz)
{
return comstl__olestring_create_w(posz);
}
/* /////////////////////////////////////////////////////////////////////////
* Namespace
*/
#ifdef STLSOFT_DOCUMENTATION_SKIP_SECTION
namespace comstl
{
#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
/* /////////////////////////////////////////////////////////////////////////
* C++ functions
*/
#ifdef __cplusplus
/** \brief Creates an OLE string from an ANSI string
*
* \ingroup group__library__string
*
* \param s The string from which to create the OLE string
* \result The created OLE string
*/
inline LPOLESTR olestring_create_a(cs_char_a_t const* s)
{
return comstl__olestring_create_a(s);
}
/** \brief Creates an OLE string from a Unicode string
*
* \ingroup group__library__string
*
* \param s The string from which to create the OLE string
* \result The created OLE string
*/
inline LPOLESTR olestring_create_w(cs_char_w_t const* s)
{
return comstl__olestring_create_w(s);
}
/** \brief Creates an OLE string from an ANSI string
*
* \ingroup group__library__string
*
* \param s The string from which to create the OLE string
* \result The created OLE string
*/
inline LPOLESTR olestring_create(cs_char_a_t const* s)
{
return olestring_create_a(s);
}
/** \brief Creates an OLE string from a Unicode string
*
* \ingroup group__library__string
*
* \param s The string from which to create the OLE string
* \result The created OLE string
*/
inline LPOLESTR olestring_create(cs_char_w_t const* s)
{
return olestring_create_w(s);
}
/** \brief Destroys an OLE string
*
* \ingroup group__library__string
*
* \param posz The OLE string to destroy
*/
inline void olestring_destroy(LPOLESTR posz)
{
comstl__olestring_destroy(posz);
}
/** \brief Duplicates an OLE string
*
* \ingroup group__library__string
*
* \param posz The OLE string to duplicate
* \return The copied OLE string
*/
inline LPOLESTR olestring_dup(LPCOLESTR posz)
{
return olestring_create(posz);
}
#endif /* __cplusplus */
/* /////////////////////////////////////////////////////////////////////////
* Unit-testing
*/
#ifdef STLSOFT_UNITTEST
# include "./unittest/olestring_functions_unittest_.h"
#endif /* STLSOFT_UNITTEST */
/* ////////////////////////////////////////////////////////////////////// */
#ifndef _COMSTL_NO_NAMESPACE
# if defined(_STLSOFT_NO_NAMESPACE) || \
defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
} /* namespace comstl */
# else
} /* namespace comstl_project */
} /* namespace stlsoft */
# endif /* _STLSOFT_NO_NAMESPACE */
#endif /* !_COMSTL_NO_NAMESPACE */
/* ////////////////////////////////////////////////////////////////////// */
#endif /* !COMSTL_INCL_COMSTL_STRING_H_OLESTRING_FUNCTIONS */
/* ///////////////////////////// end of file //////////////////////////// */