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phobos/etc/c/stlsoft/unixstl_functionals.h
Brad Roberts c53c12f16c phobos 0.77
2007-09-10 03:41:43 +00:00

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/* /////////////////////////////////////////////////////////////////////////////
* File: unixstl_functionals.h
*
* Purpose: A number of useful functionals .
*
* Created: 2nd November 2003
* Updated: 2nd November 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_FUNCTIONALS
#define _UNIXSTL_INCL_H_UNIXSTL_FUNCTIONALS
#ifndef __STLSOFT_DOCUMENTATION_SKIP_SECTION
#define _UNIXSTL_VER_H_UNIXSTL_FUNCTIONALS_MAJOR 1
#define _UNIXSTL_VER_H_UNIXSTL_FUNCTIONALS_MINOR 0
#define _UNIXSTL_VER_H_UNIXSTL_FUNCTIONALS_REVISION 2
#define _UNIXSTL_VER_H_UNIXSTL_FUNCTIONALS_EDIT 3
#endif /* !__STLSOFT_DOCUMENTATION_SKIP_SECTION */
/* /////////////////////////////////////////////////////////////////////////////
* Includes
*/
#ifndef _UNIXSTL_INCL_H_UNIXSTL
# include "unixstl.h" // Include the WinSTL root header
#endif /* !_UNIXSTL_INCL_H_UNIXSTL */
#ifndef _STLSOFT_INCL_H_STLSOFT_STRING_ACCESS
# include "stlsoft_string_access.h" // c_str_ptr, etc.
#endif /* !_STLSOFT_INCL_H_STLSOFT_STRING_ACCESS */
#ifndef _UNIXSTL_INCL_H_UNIXSTL_STRING_ACCESS
# include "unixstl_string_access.h" // c_str_ptr, etc.
#endif /* !_UNIXSTL_INCL_H_UNIXSTL_STRING_ACCESS */
#ifndef _UNIXSTL_INCL_H_UNIXSTL_FILESYSTEM_TRAITS
# include "unixstl_filesystem_traits.h"
#endif /* !_UNIXSTL_INCL_H_UNIXSTL_FILESYSTEM_TRAITS */
#ifndef _UNIXSTL_FUNCTIONALS_NO_STD
# include <functional>
#endif /* _UNIXSTL_FUNCTIONALS_NO_STD */
#include <unistd.h>
/* /////////////////////////////////////////////////////////////////////////////
* Namespace
*/
#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 */
stlsoft_ns_using(c_str_ptr)
/* /////////////////////////////////////////////////////////////////////////////
* Classes
*/
/// Function object that compares two file-system paths
///
/// \param C The character type
template <ss_typename_param_k C>
struct compare_path
#ifndef _UNIXSTL_FUNCTIONALS_NO_STD
: unixstl_ns_qual_std(binary_function)<const C *, const C *, us_bool_t>
#endif /* _UNIXSTL_FUNCTIONALS_NO_STD */
{
public:
/// The character type
typedef C char_type;
#ifndef _UNIXSTL_FUNCTIONALS_NO_STD
private:
typedef unixstl_ns_qual_std(binary_function)<const C *, const C *, us_bool_t> parent_class_type;
public:
/// The first argument type
typedef ss_typename_type_k parent_class_type::first_argument_type first_argument_type;
/// The second argument type
typedef ss_typename_type_k parent_class_type::second_argument_type second_argument_type;
/// The result type
typedef ss_typename_type_k parent_class_type::result_type result_type;
#else
/// The first argument type
typedef const char_type *first_argument_type;
/// The second argument type
typedef const char_type *second_argument_type;
/// The result type
typedef us_bool_t result_type;
#endif /* _UNIXSTL_FUNCTIONALS_NO_STD */
/// The traits type
typedef filesystem_traits<C> traits_type;
/// The current parameterisation of the type
typedef compare_path<C> class_type;
public:
/// Function call, compares \c s1 with \c s2
///
/// \note The comparison is determined by evaluation the full-paths of both \c s1 and \c s2
#ifdef __STLSOFT_CF_MEMBER_TEMPLATE_FUNCTION_SUPPORT
template <ss_typename_param_k T1, ss_typename_param_k T2>
result_type operator ()(T1 const &s1, T2 const &s2)
{
return _compare(c_str_ptr(s1), c_str_ptr(s2));
}
#else
result_type operator ()(first_argument_type s1, second_argument_type s2)
{
return _compare(s1, s2);
}
#endif /* __STLSOFT_CF_MEMBER_TEMPLATE_FUNCTION_SUPPORT */
// Implementation
private:
result_type _compare(char_type const *s1, char_type const *s2)
{
char_type path1[PATH_MAX + 1];
char_type path2[PATH_MAX + 1];
result_type result;
if(!traits_type::get_full_path_name(s1, unixstl_num_elements(path1), path1))
{
result = false;
}
else if(!traits_type::get_full_path_name(s2, unixstl_num_elements(path2), path2))
{
result = false;
}
else
{
traits_type::ensure_dir_end(path1);
traits_type::ensure_dir_end(path2);
result = traits_type::str_compare(path1, path2) == 0;
}
return result;
}
};
/* ////////////////////////////////////////////////////////////////////////// */
#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_FUNCTIONALS */
/* ////////////////////////////////////////////////////////////////////////// */
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