phobos/etc/c/stlsoft/unixstl_string_access.h
2007-09-10 03:41:43 +00:00

209 lines
7.5 KiB
C++

/* /////////////////////////////////////////////////////////////////////////////
* File: unixstl_string_access.h
*
* Purpose: Contains classes and functions for dealing with OLE/COM strings.
*
* Created: 11th January 2003
* Updated: 13th August 2003
*
* Author: Matthew Wilson, Synesis Software Pty Ltd.
*
* License: (Licensed under the Synesis Software Standard Source License)
*
* Copyright (C) 2002-2003, Synesis Software Pty Ltd.
*
* All rights reserved.
*
* www: http://www.synesis.com.au/unixstl
* http://www.unixstl.org/
*
* email: submissions@unixstl.org for submissions
* admin@unixstl.org for other enquiries
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* (i) Redistributions of source code must retain the above
* copyright notice and contact information, this list of
* conditions and the following disclaimer.
*
* (ii) Any derived versions of this software (howsoever modified)
* remain the sole property of Synesis Software.
*
* (iii) Any derived versions of this software (howsoever modified)
* remain subject to all these conditions.
*
* (iv) Neither the name of Synesis Software nor the names of any
* subdivisions, employees or agents of Synesis Software, nor the
* names of any other contributors to this software may be used to
* endorse or promote products derived from this software without
* specific prior written permission.
*
* This source code is provided by Synesis Software "as is" and any
* warranties, whether expressed or implied, including, but not
* limited to, the implied warranties of merchantability and
* fitness for a particular purpose are disclaimed. In no event
* shall the Synesis Software 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 _UNIXSTL_INCL_H_UNIXSTL_STRING_ACCESS
#define _UNIXSTL_INCL_H_UNIXSTL_STRING_ACCESS
#ifndef __STLSOFT_DOCUMENTATION_SKIP_SECTION
#define _UNIXSTL_VER_H_UNIXSTL_STRING_ACCESS_MAJOR 1
#define _UNIXSTL_VER_H_UNIXSTL_STRING_ACCESS_MINOR 1
#define _UNIXSTL_VER_H_UNIXSTL_STRING_ACCESS_REVISION 2
#define _UNIXSTL_VER_H_UNIXSTL_STRING_ACCESS_EDIT 10
#endif /* !__STLSOFT_DOCUMENTATION_SKIP_SECTION */
/* /////////////////////////////////////////////////////////////////////////////
* Includes
*/
#ifndef _UNIXSTL_INCL_H_UNIXSTL
#include "unixstl.h" // Include the UNIXSTL root header
#endif /* !_UNIXSTL_INCL_H_UNIXSTL */
#include <dirent.h>
/* /////////////////////////////////////////////////////////////////////////////
* Forward declarations
*/
struct dirent;
/* /////////////////////////////////////////////////////////////////////////////
* Namespace
*
* The UNIXSTL components are contained within the unixstl namespace. This is
* actually an alias for stlsoft::unixstl_project,
*
* The definition matrix is as follows:
*
* _STLSOFT_NO_NAMESPACE _UNIXSTL_NO_NAMESPACE unixstl definition
* --------------------- -------------------- -----------------
* not defined not defined = stlsoft::unixstl_project
* not defined defined not defined
* defined not defined unixstl
* defined defined not defined
*
*/
#ifndef _UNIXSTL_NO_NAMESPACE
#ifdef _STLSOFT_NO_NAMESPACE
/* There is no stlsoft namespace, so must define ::unixstl */
namespace unixstl
{
#else
/* Define stlsoft::unixstl_project */
namespace stlsoft
{
namespace unixstl_project
{
#endif /* _STLSOFT_NO_NAMESPACE */
#endif /* !_UNIXSTL_NO_NAMESPACE */
/* ////////////////////////////////////////////////////////////////////////// */
/// \weakgroup concepts STLSoft Concepts
/// \weakgroup concepts_shims Shims
/// \ingroup concepts
/// \weakgroup concepts_shims_string_access String Access Shims
/// \ingroup concepts_shims
/// \brief These \ref concepts_shims "shims" retrieve the C-string for arbitrary types
/// \defgroup unixstl_string_access_shims String Access Shims (UNIXSTL)
/// \ingroup UNIXSTL concepts_shims_string_access
/// \brief These \ref concepts_shims "shims" retrieve the C-string for arbitrary types
/// @{
/* /////////////////////////////////////////////////////////////////////////////
* c_str_ptr_null
*
* This can be applied to an expression, and the return value is either a
* pointer to the character string or NULL.
*/
/// \brief Returns the corresponding C-string pointer of the dirent structure \c d, or NULL if \c d is empty
inline us_char_a_t const *c_str_ptr_null(struct dirent const *d)
{
return (d == 0 || d->d_name[0] == 0) ? 0 : d->d_name;
}
/// \brief Returns the corresponding C-string pointer of the dirent structure \c d, or NULL if \c d is empty
inline us_char_a_t const *c_str_ptr_null(struct dirent const &d)
{
return d.d_name[0] == 0 ? 0 : d.d_name;
}
/* /////////////////////////////////////////////////////////////////////////////
* c_str_ptr
*
* This can be applied to an expression, and the return value is either a
* pointer to the character string or to an empty string.
*/
/// \brief Returns the corresponding C-string pointer of the dirent structure \c d
inline us_char_a_t const *c_str_ptr(struct dirent const *d)
{
return (d == 0) ? "" : d->d_name;
}
/// \brief Returns the corresponding C-string pointer of the dirent structure \c d
inline us_char_a_t const *c_str_ptr(struct dirent const &d)
{
return d.d_name;
}
/* /////////////////////////////////////////////////////////////////////////////
* c_str_len
*
* This can be applied to an expression, and the return value is the number of
* characters in the character string in the expression.
*/
/* /////////////////////////////////////////////////////////////////////////////
* c_str_size
*
* This can be applied to an expression, and the return value is the number of
* bytes required to store the character string in the expression, NOT including
* the null-terminating character.
*/
/* ////////////////////////////////////////////////////////////////////////// */
/// @} // end of group unixstl_string_access_shims
/* ////////////////////////////////////////////////////////////////////////// */
#ifndef _UNIXSTL_NO_NAMESPACE
#ifdef _STLSOFT_NO_NAMESPACE
} // namespace unixstl
#else
} // namespace unixstl_project
} // namespace stlsoft
#endif /* _STLSOFT_NO_NAMESPACE */
#endif /* !_UNIXSTL_NO_NAMESPACE */
/* ////////////////////////////////////////////////////////////////////////// */
#endif /* !_UNIXSTL_INCL_H_UNIXSTL_STRING_ACCESS */
/* ////////////////////////////////////////////////////////////////////////// */