file_path_buffer.hpp

来自「用STL的方式封装了WindowsAPI、COM调用、ACE、ATL、MFC、W」· HPP 代码 · 共 554 行 · 第 1/2 页

    {
        return stlsoft_ns_qual(copy_contents)(buffer, cchBuffer, m_buffer.data(), m_buffer.size());
    }
/// @}

/// \name Operations
/// @{
public:
    /// \brief Causes the drives to be examined again for the next instance.
    ///
    /// \deprecated
    static void refresh() stlsoft_throw_0()
    {}
/// @}

/// \name Implementation
/// @{
private:
    static size_type    calc_path_max_()
    {
#ifdef PATH_MAX
        return PATH_MAX;
#else /* ? PATH_MAX */
        int pathMax = ::pathconf("/", _PC_PATH_MAX);

        if(pathMax < 0)
        {
            pathMax = indeterminateMaxPathGuess;
        }
        else
        {
            ++pathMax;
        }

        return static_cast<size_type>(pathMax);
#endif /* PATH_MAX */
    }
/// @}

/// \name Members
/// @{
private:
    buffer_type m_buffer;
/// @}
};

/* Typedefs to commonly encountered types. */
/// Instantiation of the basic_file_path_buffer template for the ANSI character type \c char
typedef basic_file_path_buffer<us_char_a_t, stlsoft_ns_qual(allocator_selector)<us_char_a_t>::allocator_type>   file_path_buffer_a;
/// Instantiation of the basic_file_path_buffer template for the Unicode character type \c wchar_t
typedef basic_file_path_buffer<us_char_w_t, stlsoft_ns_qual(allocator_selector)<us_char_w_t>::allocator_type>   file_path_buffer_w;
/// Instantiation of the basic_file_path_buffer template for the ANSI character type \c char
typedef basic_file_path_buffer<us_char_a_t, stlsoft_ns_qual(allocator_selector)<us_char_a_t>::allocator_type>   file_path_buffer;

/* /////////////////////////////////////////////////////////////////////////
 * Support for PlatformSTL redefinition by inheritance+namespace, for confused
 * compilers (e.g. VC++ 6)
 */

#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION

    template<   ss_typename_param_k C
#ifdef STLSOFT_CF_TEMPLATE_CLASS_DEFAULT_CLASS_ARGUMENT_SUPPORT
        ,   ss_typename_param_k A = ss_typename_type_def_k allocator_selector<C>::allocator_type
#else /* ? STLSOFT_CF_TEMPLATE_CLASS_DEFAULT_CLASS_ARGUMENT_SUPPORT */
        ,   ss_typename_param_k A /* = ss_typename_type_def_k allocator_selector<C>::allocator_type */
#endif /* STLSOFT_CF_TEMPLATE_CLASS_DEFAULT_CLASS_ARGUMENT_SUPPORT */
            >
    class basic_file_path_buffer__
        : public unixstl_ns_qual(basic_file_path_buffer)<C, A>
    {
    private:
        typedef unixstl_ns_qual(basic_file_path_buffer)<C, A>           parent_class_type;
    public:
        typedef basic_file_path_buffer__<C, A>                          class_type;
        typedef ss_typename_type_k parent_class_type::value_type        value_type;
        typedef ss_typename_type_k parent_class_type::reference         reference;
        typedef ss_typename_type_k parent_class_type::const_reference   const_reference;
        typedef ss_typename_type_k parent_class_type::size_type         size_type;
    };

#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */

/* /////////////////////////////////////////////////////////////////////////
 * swapping
 */

template<   ss_typename_param_k C
        ,   ss_typename_param_k A
        >
inline void swap(basic_file_path_buffer<C, A> &lhs, basic_file_path_buffer<C, A> &rhs)
{
    lhs.swap(rhs);
}

/* /////////////////////////////////////////////////////////////////////////
 * Shims
 */

template<   ss_typename_param_k C
        ,   ss_typename_param_k A
        >
inline C const *c_str_ptr_null(basic_file_path_buffer<C, A> const &b)
{
    return stlsoft_ns_qual(c_str_ptr_null)(b.c_str());
}
template<   ss_typename_param_k A
        >
inline us_char_a_t const *c_str_ptr_null_a(basic_file_path_buffer<us_char_a_t, A> const &b)
{
    return stlsoft_ns_qual(c_str_ptr_null)(b.c_str());
}
template<   ss_typename_param_k A
        >
inline us_char_w_t const *c_str_ptr_null_w(basic_file_path_buffer<us_char_w_t, A> const &b)
{
    return stlsoft_ns_qual(c_str_ptr_null)(b.c_str());
}

template<   ss_typename_param_k C
        ,   ss_typename_param_k A
        >
inline C const *c_str_ptr(basic_file_path_buffer<C, A> const &b)
{
    return b.c_str();
}
template<   ss_typename_param_k A
        >
inline us_char_a_t const *c_str_ptr_a(basic_file_path_buffer<us_char_a_t, A> const &b)
{
    return b.c_str();
}
template<   ss_typename_param_k A
        >
inline us_char_w_t const *c_str_ptr_w(basic_file_path_buffer<us_char_w_t, A> const &b)
{
    return b.c_str();
}

template<   ss_typename_param_k C
        ,   ss_typename_param_k A
        >
inline C const *c_str_data(basic_file_path_buffer<C, A> const &b)
{
    return b.c_str();
}
template<   ss_typename_param_k A
        >
inline us_char_a_t const *c_str_data_a(basic_file_path_buffer<us_char_a_t, A> const &b)
{
    return b.c_str();
}
template<   ss_typename_param_k A
        >
inline us_char_w_t const *c_str_data_w(basic_file_path_buffer<us_char_w_t, A> const &b)
{
    return b.c_str();
}

template<   ss_typename_param_k C
        ,   ss_typename_param_k A
        >
inline us_size_t c_str_len(basic_file_path_buffer<C, A> const &b)
{
    return stlsoft_ns_qual(c_str_len)(b.c_str());
}

#if 0
template<   ss_typename_param_k C
        ,   ss_typename_param_k A
        >
inline us_size_t c_str_size(basic_file_path_buffer<C, A> const &b)
{
    return stlsoft_ns_qual(c_str_size)(b.c_str());
}
#endif /* 0 */

template<   ss_typename_param_k S
        ,   ss_typename_param_k C
        ,   ss_typename_param_k A
        >
inline S &operator <<(S & s, basic_file_path_buffer<C, A> const &b)
{
    s << b.c_str();

    return s;
}

/* /////////////////////////////////////////////////////////////////////////
 * Unit-testing
 */

#ifdef STLSOFT_UNITTEST
# include "./unittest/file_path_buffer_unittest_.h"
#endif /* STLSOFT_UNITTEST */

/* ////////////////////////////////////////////////////////////////////// */

#ifndef _UNIXSTL_NO_NAMESPACE
# if defined(_STLSOFT_NO_NAMESPACE) || \
     defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
} // namespace unixstl
# else
} // namespace unixstl_project
} // namespace stlsoft
# endif /* _STLSOFT_NO_NAMESPACE */
#endif /* !_UNIXSTL_NO_NAMESPACE */

/* In the special case of Intel behaving as VC++ 7.0 or earlier on Win32, we
 * illegally insert into the std namespace.
 */
#if defined(STLSOFT_CF_std_NAMESPACE)
# if ( ( defined(STLSOFT_COMPILER_IS_INTEL) && \
         defined(_MSC_VER))) && \
     _MSC_VER < 1310
namespace std
{
    template<   ss_typename_param_k C
            ,   ss_typename_param_k A
            >
    inline void swap(unixstl_ns_qual(basic_file_path_buffer)<C, A> &lhs, unixstl_ns_qual(basic_file_path_buffer)<C, A> &rhs)
    {
        lhs.swap(rhs);
    }
} // namespace std
# endif /* INTEL && _MSC_VER < 1310 */
#endif /* STLSOFT_CF_std_NAMESPACE */

/* /////////////////////////////////////////////////////////////////////////
 * Namespace
 *
 * The string access shims exist either in the stlsoft namespace, or in the
 * global namespace. This is required by the lookup rules.
 *
 */

#ifndef _UNIXSTL_NO_NAMESPACE
# if !defined(_STLSOFT_NO_NAMESPACE) && \
     !defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
namespace stlsoft
{
# else /* ? _STLSOFT_NO_NAMESPACE */
/* There is no stlsoft namespace, so must define in the global namespace */
# endif /* !_STLSOFT_NO_NAMESPACE */

using ::unixstl::c_str_ptr_null;
using ::unixstl::c_str_ptr_null_a;
using ::unixstl::c_str_ptr_null_w;

using ::unixstl::c_str_ptr;
using ::unixstl::c_str_ptr_a;
using ::unixstl::c_str_ptr_w;

using ::unixstl::c_str_data;
using ::unixstl::c_str_data_a;
using ::unixstl::c_str_data_w;

using ::unixstl::c_str_len;

#if 0
using ::unixstl::c_str_size;
#endif /* 0 */

# if !defined(_STLSOFT_NO_NAMESPACE) && \
     !defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
} // namespace stlsoft
# else /* ? _STLSOFT_NO_NAMESPACE */
/* There is no stlsoft namespace, so must define in the global namespace */
# endif /* !_STLSOFT_NO_NAMESPACE */
#endif /* !_UNIXSTL_NO_NAMESPACE */

/* ////////////////////////////////////////////////////////////////////// */

#endif /* UNIXSTL_INCL_UNIXSTL_FILESYSTEM_HPP_FILE_PATH_BUFFER */

/* ////////////////////////////////////////////////////////////////////// */