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_I|+ ? // Filesystem directory utilities -*- C++ -*-
// Copyright (C) 2014-2021 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// .
/** @file include/bits/fs_dir.h
* This is an internal header file, included by other library headers.
* Do not attempt to use it directly. @headername{filesystem}
*/
#ifndef _GLIBCXX_FS_DIR_H
#define _GLIBCXX_FS_DIR_H 1
#if __cplusplus >= 201703L
# include
# include
# include
# include
#if __cplusplus > 201703L
# include // std::strong_ordering
#endif
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
namespace filesystem
{
/** @addtogroup filesystem
* @{
*/
/// Information about a file's type and permissions.
class file_status
{
public:
// constructors and destructor
file_status() noexcept : file_status(file_type::none) {}
explicit
file_status(file_type __ft, perms __prms = perms::unknown) noexcept
: _M_type(__ft), _M_perms(__prms) { }
file_status(const file_status&) noexcept = default;
file_status(file_status&&) noexcept = default;
~file_status() = default;
file_status& operator=(const file_status&) noexcept = default;
file_status& operator=(file_status&&) noexcept = default;
// observers
file_type type() const noexcept { return _M_type; }
perms permissions() const noexcept { return _M_perms; }
// modifiers
void type(file_type __ft) noexcept { _M_type = __ft; }
void permissions(perms __prms) noexcept { _M_perms = __prms; }
#if __cpp_lib_three_way_comparison
friend bool
operator==(const file_status&, const file_status&) noexcept = default;
#endif
private:
file_type _M_type;
perms _M_perms;
};
_GLIBCXX_BEGIN_NAMESPACE_CXX11
struct _Dir;
class directory_iterator;
class recursive_directory_iterator;
/// The value type used by directory iterators
class directory_entry
{
public:
// constructors and destructor
directory_entry() noexcept = default;
directory_entry(const directory_entry&) = default;
directory_entry(directory_entry&&) noexcept = default;
explicit
directory_entry(const filesystem::path& __p)
: _M_path(__p)
{ refresh(); }
directory_entry(const filesystem::path& __p, error_code& __ec)
: _M_path(__p)
{
refresh(__ec);
if (__ec)
_M_path.clear();
}
~directory_entry() = default;
// modifiers
directory_entry& operator=(const directory_entry&) = default;
directory_entry& operator=(directory_entry&&) noexcept = default;
void
assign(const filesystem::path& __p)
{
_M_path = __p;
refresh();
}
void
assign(const filesystem::path& __p, error_code& __ec)
{
_M_path = __p;
refresh(__ec);
}
void
replace_filename(const filesystem::path& __p)
{