mirror of
https://github.com/autc04/Retro68.git
synced 2024-12-02 18:53:22 +00:00
364 lines
10 KiB
C++
364 lines
10 KiB
C++
// Filesystem directory utilities -*- C++ -*-
|
|
|
|
// Copyright (C) 2014-2017 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
|
|
// <http://www.gnu.org/licenses/>.
|
|
|
|
/** @file experimental/bits/fs_dir.h
|
|
* This is an internal header file, included by other library headers.
|
|
* Do not attempt to use it directly. @headername{experimental/filesystem}
|
|
*/
|
|
|
|
#ifndef _GLIBCXX_EXPERIMENTAL_FS_DIR_H
|
|
#define _GLIBCXX_EXPERIMENTAL_FS_DIR_H 1
|
|
|
|
#if __cplusplus < 201103L
|
|
# include <bits/c++0x_warning.h>
|
|
#else
|
|
# include <typeinfo>
|
|
# include <ext/concurrence.h>
|
|
# include <bits/unique_ptr.h>
|
|
# include <bits/shared_ptr.h>
|
|
|
|
namespace std _GLIBCXX_VISIBILITY(default)
|
|
{
|
|
namespace experimental
|
|
{
|
|
namespace filesystem
|
|
{
|
|
inline namespace v1
|
|
{
|
|
_GLIBCXX_BEGIN_NAMESPACE_VERSION
|
|
|
|
/**
|
|
* @ingroup filesystem
|
|
* @{
|
|
*/
|
|
|
|
class file_status
|
|
{
|
|
public:
|
|
// constructors
|
|
explicit
|
|
file_status(file_type __ft = file_type::none,
|
|
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; }
|
|
|
|
private:
|
|
file_type _M_type;
|
|
perms _M_perms;
|
|
};
|
|
|
|
_GLIBCXX_BEGIN_NAMESPACE_CXX11
|
|
|
|
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) { }
|
|
~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; }
|
|
|
|
void
|
|
replace_filename(const filesystem::path& __p)
|
|
{ _M_path = _M_path.parent_path() / __p; }
|
|
|
|
// observers
|
|
const filesystem::path& path() const noexcept { return _M_path; }
|
|
operator const filesystem::path&() const noexcept { return _M_path; }
|
|
|
|
file_status
|
|
status() const
|
|
{ return filesystem::status(_M_path); }
|
|
|
|
file_status
|
|
status(error_code& __ec) const noexcept
|
|
{ return filesystem::status(_M_path, __ec); }
|
|
|
|
file_status
|
|
symlink_status() const
|
|
{ return filesystem::symlink_status(_M_path); }
|
|
|
|
file_status
|
|
symlink_status(error_code& __ec) const noexcept
|
|
{ return filesystem::symlink_status(_M_path, __ec); }
|
|
|
|
bool
|
|
operator< (const directory_entry& __rhs) const noexcept
|
|
{ return _M_path < __rhs._M_path; }
|
|
|
|
bool
|
|
operator==(const directory_entry& __rhs) const noexcept
|
|
{ return _M_path == __rhs._M_path; }
|
|
|
|
bool
|
|
operator!=(const directory_entry& __rhs) const noexcept
|
|
{ return _M_path != __rhs._M_path; }
|
|
|
|
bool
|
|
operator<=(const directory_entry& __rhs) const noexcept
|
|
{ return _M_path <= __rhs._M_path; }
|
|
|
|
bool
|
|
operator> (const directory_entry& __rhs) const noexcept
|
|
{ return _M_path > __rhs._M_path; }
|
|
|
|
bool
|
|
operator>=(const directory_entry& __rhs) const noexcept
|
|
{ return _M_path >= __rhs._M_path; }
|
|
|
|
private:
|
|
filesystem::path _M_path;
|
|
};
|
|
|
|
struct _Dir;
|
|
class directory_iterator;
|
|
class recursive_directory_iterator;
|
|
|
|
struct __directory_iterator_proxy
|
|
{
|
|
const directory_entry& operator*() const& noexcept { return _M_entry; }
|
|
|
|
directory_entry operator*() && noexcept { return std::move(_M_entry); }
|
|
|
|
private:
|
|
friend class directory_iterator;
|
|
friend class recursive_directory_iterator;
|
|
|
|
explicit
|
|
__directory_iterator_proxy(const directory_entry& __e) : _M_entry(__e) { }
|
|
|
|
directory_entry _M_entry;
|
|
};
|
|
|
|
class directory_iterator
|
|
{
|
|
public:
|
|
typedef directory_entry value_type;
|
|
typedef ptrdiff_t difference_type;
|
|
typedef const directory_entry* pointer;
|
|
typedef const directory_entry& reference;
|
|
typedef input_iterator_tag iterator_category;
|
|
|
|
directory_iterator() = default;
|
|
|
|
explicit
|
|
directory_iterator(const path& __p)
|
|
: directory_iterator(__p, directory_options::none, nullptr) { }
|
|
|
|
directory_iterator(const path& __p, directory_options __options)
|
|
: directory_iterator(__p, __options, nullptr) { }
|
|
|
|
directory_iterator(const path& __p, error_code& __ec) noexcept
|
|
: directory_iterator(__p, directory_options::none, __ec) { }
|
|
|
|
directory_iterator(const path& __p,
|
|
directory_options __options,
|
|
error_code& __ec) noexcept
|
|
: directory_iterator(__p, __options, &__ec) { }
|
|
|
|
directory_iterator(const directory_iterator& __rhs) = default;
|
|
|
|
directory_iterator(directory_iterator&& __rhs) noexcept = default;
|
|
|
|
~directory_iterator() = default;
|
|
|
|
directory_iterator&
|
|
operator=(const directory_iterator& __rhs) = default;
|
|
|
|
directory_iterator&
|
|
operator=(directory_iterator&& __rhs) noexcept = default;
|
|
|
|
const directory_entry& operator*() const;
|
|
const directory_entry* operator->() const { return &**this; }
|
|
directory_iterator& operator++();
|
|
directory_iterator& increment(error_code& __ec) noexcept;
|
|
|
|
__directory_iterator_proxy operator++(int)
|
|
{
|
|
__directory_iterator_proxy __pr{**this};
|
|
++*this;
|
|
return __pr;
|
|
}
|
|
|
|
private:
|
|
directory_iterator(const path&, directory_options, error_code*);
|
|
|
|
friend bool
|
|
operator==(const directory_iterator& __lhs,
|
|
const directory_iterator& __rhs);
|
|
|
|
friend class recursive_directory_iterator;
|
|
|
|
std::shared_ptr<_Dir> _M_dir;
|
|
};
|
|
|
|
inline directory_iterator
|
|
begin(directory_iterator __iter) noexcept
|
|
{ return __iter; }
|
|
|
|
inline directory_iterator
|
|
end(directory_iterator) noexcept
|
|
{ return directory_iterator(); }
|
|
|
|
inline bool
|
|
operator==(const directory_iterator& __lhs, const directory_iterator& __rhs)
|
|
{
|
|
return !__rhs._M_dir.owner_before(__lhs._M_dir)
|
|
&& !__lhs._M_dir.owner_before(__rhs._M_dir);
|
|
}
|
|
|
|
inline bool
|
|
operator!=(const directory_iterator& __lhs, const directory_iterator& __rhs)
|
|
{ return !(__lhs == __rhs); }
|
|
|
|
class recursive_directory_iterator
|
|
{
|
|
public:
|
|
typedef directory_entry value_type;
|
|
typedef ptrdiff_t difference_type;
|
|
typedef const directory_entry* pointer;
|
|
typedef const directory_entry& reference;
|
|
typedef input_iterator_tag iterator_category;
|
|
|
|
recursive_directory_iterator() = default;
|
|
|
|
explicit
|
|
recursive_directory_iterator(const path& __p)
|
|
: recursive_directory_iterator(__p, directory_options::none, nullptr) { }
|
|
|
|
recursive_directory_iterator(const path& __p, directory_options __options)
|
|
: recursive_directory_iterator(__p, __options, nullptr) { }
|
|
|
|
recursive_directory_iterator(const path& __p,
|
|
directory_options __options,
|
|
error_code& __ec) noexcept
|
|
: recursive_directory_iterator(__p, __options, &__ec) { }
|
|
|
|
recursive_directory_iterator(const path& __p, error_code& __ec) noexcept
|
|
: recursive_directory_iterator(__p, directory_options::none, &__ec) { }
|
|
|
|
recursive_directory_iterator(
|
|
const recursive_directory_iterator&) = default;
|
|
|
|
recursive_directory_iterator(recursive_directory_iterator&&) = default;
|
|
|
|
~recursive_directory_iterator();
|
|
|
|
// observers
|
|
directory_options options() const { return _M_options; }
|
|
int depth() const;
|
|
bool recursion_pending() const { return _M_pending; }
|
|
|
|
const directory_entry& operator*() const;
|
|
const directory_entry* operator->() const { return &**this; }
|
|
|
|
// modifiers
|
|
recursive_directory_iterator&
|
|
operator=(const recursive_directory_iterator& __rhs) noexcept;
|
|
recursive_directory_iterator&
|
|
operator=(recursive_directory_iterator&& __rhs) noexcept;
|
|
|
|
recursive_directory_iterator& operator++();
|
|
recursive_directory_iterator& increment(error_code& __ec) noexcept;
|
|
|
|
__directory_iterator_proxy operator++(int)
|
|
{
|
|
__directory_iterator_proxy __pr{**this};
|
|
++*this;
|
|
return __pr;
|
|
}
|
|
|
|
void pop();
|
|
void pop(error_code&);
|
|
|
|
void disable_recursion_pending() { _M_pending = false; }
|
|
|
|
private:
|
|
recursive_directory_iterator(const path&, directory_options, error_code*);
|
|
|
|
friend bool
|
|
operator==(const recursive_directory_iterator& __lhs,
|
|
const recursive_directory_iterator& __rhs);
|
|
|
|
struct _Dir_stack;
|
|
std::shared_ptr<_Dir_stack> _M_dirs;
|
|
directory_options _M_options = {};
|
|
bool _M_pending = false;
|
|
};
|
|
|
|
inline recursive_directory_iterator
|
|
begin(recursive_directory_iterator __iter) noexcept
|
|
{ return __iter; }
|
|
|
|
inline recursive_directory_iterator
|
|
end(recursive_directory_iterator) noexcept
|
|
{ return recursive_directory_iterator(); }
|
|
|
|
inline bool
|
|
operator==(const recursive_directory_iterator& __lhs,
|
|
const recursive_directory_iterator& __rhs)
|
|
{
|
|
return !__rhs._M_dirs.owner_before(__lhs._M_dirs)
|
|
&& !__lhs._M_dirs.owner_before(__rhs._M_dirs);
|
|
}
|
|
|
|
inline bool
|
|
operator!=(const recursive_directory_iterator& __lhs,
|
|
const recursive_directory_iterator& __rhs)
|
|
{ return !(__lhs == __rhs); }
|
|
|
|
_GLIBCXX_END_NAMESPACE_CXX11
|
|
|
|
// @} group filesystem
|
|
_GLIBCXX_END_NAMESPACE_VERSION
|
|
} // namespace v1
|
|
} // namespace filesystem
|
|
} // namespace experimental
|
|
} // namespace std
|
|
|
|
#endif // C++11
|
|
|
|
#endif // _GLIBCXX_EXPERIMENTAL_FS_DIR_H
|