file_path_buffer.hpp

用STL的方式封装了WindowsAPI、COM调用、ACE、ATL、MFC、WTL等多种组件

    }
#if !defined(STLSOFT_COMPILER_IS_COMO) || \
    __COMO_VERSION__ >= 4303
    /// \brief Returns a non-mutable (const) pointer to the internal buffer
    const_reference operator [](size_t index) const
    {
        WINSTL_MESSAGE_ASSERT("Index out of range", !(size() < index));

        return data()[index];
    }
#else /* ? compiler */
#endif /* compiler */

    /// \brief Returns the size of the internal buffer
    size_type size() const
    {
        return m_buffer.size();
    }

    /// \brief Copies the contents into a caller supplied buffer
    ///
    /// \param buffer Pointer to character buffer to receive the contents.
    ///  May be NULL, in which case the method returns size().
    /// \param cchBuffer Number of characters of available space in \c buffer.
    size_type copy(char_type *buffer, size_type cchBuffer) const
    {
        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:
    // Have to do it this way, as an inline, in-MIL tertiary operator causes
    // Borland C++ to think that the answer's 5! 'tis a mysterious beastie,
    // the old Borland compiler, is it not?
    static size_type calc_path_max_()
    {
        size_type   n;

        if(::GetVersion() & 0x80000000)
        {
            n = CCH_9x;
        }
        else
        {
            n = CCH_NT;
        }

        return n;
    }
/// @}

/// \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<ws_char_a_t, processheap_allocator<ws_char_a_t> >    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<ws_char_w_t, processheap_allocator<ws_char_w_t> >    file_path_buffer_w;
/// Instantiation of the basic_file_path_buffer template for the ambeint character type \c TCHAR
typedef basic_file_path_buffer<TCHAR, processheap_allocator<TCHAR> >                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 = winstl_ns_qual(processheap_allocator)<C>
#else /* ? STLSOFT_CF_TEMPLATE_CLASS_DEFAULT_CLASS_ARGUMENT_SUPPORT */
            ,   ss_typename_param_k A /* = processheap_allocator<C> */
#endif /* STLSOFT_CF_TEMPLATE_CLASS_DEFAULT_CLASS_ARGUMENT_SUPPORT */
            >
    class basic_file_path_buffer__
        : public winstl_ns_qual(basic_file_path_buffer)<C, A>
    {
    private:
        typedef winstl_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 ws_char_a_t const *c_str_ptr_null_a(basic_file_path_buffer<ws_char_a_t, A> const &b)
{
    return stlsoft_ns_qual(c_str_ptr_null)(b.c_str());
}
template<   ss_typename_param_k A
        >
inline ws_char_w_t const *c_str_ptr_null_w(basic_file_path_buffer<ws_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 ws_char_a_t const *c_str_ptr_a(basic_file_path_buffer<ws_char_a_t, A> const &b)
{
    return b.c_str();
}
template<   ss_typename_param_k A
        >
inline ws_char_w_t const *c_str_ptr_w(basic_file_path_buffer<ws_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 ws_char_a_t const *c_str_data_a(basic_file_path_buffer<ws_char_a_t, A> const &b)
{
    return b.c_str();
}
template<   ss_typename_param_k A
        >
inline ws_char_w_t const *c_str_data_w(basic_file_path_buffer<ws_char_w_t, A> const &b)
{
    return b.c_str();
}


template<   ss_typename_param_k C
        ,   ss_typename_param_k A
        >
inline ws_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 ws_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 _WINSTL_NO_NAMESPACE
# if defined(_STLSOFT_NO_NAMESPACE) || \
     defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
} // namespace winstl
# else
} // namespace winstl_project
} // namespace stlsoft
# endif /* _STLSOFT_NO_NAMESPACE */
#endif /* !_WINSTL_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(winstl_ns_qual(basic_file_path_buffer)<C, A> &lhs, winstl_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 _WINSTL_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 ::winstl::c_str_ptr_null;
using ::winstl::c_str_ptr_null_a;
using ::winstl::c_str_ptr_null_w;

using ::winstl::c_str_ptr;
using ::winstl::c_str_ptr_a;
using ::winstl::c_str_ptr_w;

using ::winstl::c_str_data;
using ::winstl::c_str_data_a;
using ::winstl::c_str_data_w;

using ::winstl::c_str_len;

#if 0
using ::winstl::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 /* !_WINSTL_NO_NAMESPACE */

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

#endif /* WINSTL_INCL_WINSTL_FILESYSTEM_HPP_FILE_PATH_BUFFER */

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