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5924b28e | 1 | // Filesystem declarations -*- C++ -*- |
2 | ||
f1717362 | 3 | // Copyright (C) 2014-2016 Free Software Foundation, Inc. |
5924b28e | 4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
8 | // Free Software Foundation; either version 3, or (at your option) | |
9 | // any later version. | |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
16 | // Under Section 7 of GPL version 3, you are granted additional | |
17 | // permissions described in the GCC Runtime Library Exception, version | |
18 | // 3.1, as published by the Free Software Foundation. | |
19 | ||
20 | // You should have received a copy of the GNU General Public License and | |
21 | // a copy of the GCC Runtime Library Exception along with this program; | |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | // <http://www.gnu.org/licenses/>. | |
24 | ||
91315195 | 25 | /** @file experimental/bits/fs_fwd.h |
26 | * This is an internal header file, included by other library headers. | |
27 | * Do not attempt to use it directly. @headername{experimental/filesystem} | |
5924b28e | 28 | */ |
29 | ||
30 | #ifndef _GLIBCXX_EXPERIMENTAL_FS_FWD_H | |
31 | #define _GLIBCXX_EXPERIMENTAL_FS_FWD_H 1 | |
32 | ||
33 | #if __cplusplus < 201103L | |
34 | # include <bits/c++0x_warning.h> | |
35 | #else | |
36 | ||
37 | #include <system_error> | |
38 | #include <cstdint> | |
39 | #include <chrono> | |
40 | ||
41 | namespace std _GLIBCXX_VISIBILITY(default) | |
42 | { | |
43 | namespace experimental | |
44 | { | |
45 | namespace filesystem | |
46 | { | |
47 | inline namespace v1 | |
48 | { | |
49 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
50 | ||
51 | #if _GLIBCXX_USE_CXX11_ABI | |
52 | inline namespace __cxx11 __attribute__((__abi_tag__ ("cxx11"))) { } | |
53 | #endif | |
54 | ||
55 | /** | |
91315195 | 56 | * @defgroup filesystem Filesystem |
5924b28e | 57 | * @ingroup experimental |
58 | * | |
59 | * Utilities for performing operations on file systems and their components, | |
60 | * such as paths, regular files, and directories. | |
61 | * | |
62 | * @{ | |
63 | */ | |
64 | ||
65 | class file_status; | |
66 | _GLIBCXX_BEGIN_NAMESPACE_CXX11 | |
67 | class path; | |
68 | class filesystem_error; | |
69 | class directory_entry; | |
70 | class directory_iterator; | |
71 | class recursive_directory_iterator; | |
72 | _GLIBCXX_END_NAMESPACE_CXX11 | |
73 | ||
74 | struct space_info | |
75 | { | |
76 | uintmax_t capacity; | |
77 | uintmax_t free; | |
78 | uintmax_t available; | |
79 | }; | |
80 | ||
81 | enum class file_type : signed char { | |
82 | none = 0, not_found = -1, regular = 1, directory = 2, symlink = 3, | |
83 | block = 4, character = 5, fifo = 6, socket = 7, unknown = 8 | |
84 | }; | |
85 | ||
86 | /// Bitmask type | |
87 | enum class copy_options : unsigned short { | |
88 | none = 0, | |
89 | skip_existing = 1, overwrite_existing = 2, update_existing = 4, | |
90 | recursive = 8, | |
91 | copy_symlinks = 16, skip_symlinks = 32, | |
92 | directories_only = 64, create_symlinks = 128, create_hard_links = 256 | |
93 | }; | |
94 | ||
95 | constexpr copy_options | |
96 | operator&(copy_options __x, copy_options __y) | |
97 | { | |
98 | using __utype = typename std::underlying_type<copy_options>::type; | |
99 | return static_cast<copy_options>( | |
100 | static_cast<__utype>(__x) & static_cast<__utype>(__y)); | |
101 | } | |
102 | ||
103 | constexpr copy_options | |
104 | operator|(copy_options __x, copy_options __y) | |
105 | { | |
106 | using __utype = typename std::underlying_type<copy_options>::type; | |
107 | return static_cast<copy_options>( | |
108 | static_cast<__utype>(__x) | static_cast<__utype>(__y)); | |
109 | } | |
110 | ||
111 | constexpr copy_options | |
112 | operator^(copy_options __x, copy_options __y) | |
113 | { | |
114 | using __utype = typename std::underlying_type<copy_options>::type; | |
115 | return static_cast<copy_options>( | |
116 | static_cast<__utype>(__x) ^ static_cast<__utype>(__y)); | |
117 | } | |
118 | ||
119 | constexpr copy_options | |
120 | operator~(copy_options __x) | |
121 | { | |
122 | using __utype = typename std::underlying_type<copy_options>::type; | |
123 | return static_cast<copy_options>(~static_cast<__utype>(__x)); | |
124 | } | |
125 | ||
126 | inline copy_options& | |
127 | operator&=(copy_options& __x, copy_options __y) | |
128 | { return __x = __x & __y; } | |
129 | ||
130 | inline copy_options& | |
131 | operator|=(copy_options& __x, copy_options __y) | |
132 | { return __x = __x | __y; } | |
133 | ||
134 | inline copy_options& | |
135 | operator^=(copy_options& __x, copy_options __y) | |
136 | { return __x = __x ^ __y; } | |
137 | ||
138 | ||
139 | /// Bitmask type | |
140 | enum class perms : unsigned { | |
141 | none = 0, | |
142 | owner_read = 0400, | |
143 | owner_write = 0200, | |
144 | owner_exec = 0100, | |
145 | owner_all = 0700, | |
146 | group_read = 040, | |
147 | group_write = 020, | |
148 | group_exec = 010, | |
149 | group_all = 070, | |
150 | others_read = 04, | |
151 | others_write = 02, | |
152 | others_exec = 01, | |
153 | others_all = 07, | |
154 | all = 0777, | |
155 | set_uid = 04000, | |
156 | set_gid = 02000, | |
157 | sticky_bit = 01000, | |
158 | mask = 07777, | |
159 | unknown = 0xFFFF, | |
160 | add_perms = 0x10000, | |
161 | remove_perms = 0x20000, | |
162 | resolve_symlinks = 0x40000 | |
163 | }; | |
164 | ||
165 | constexpr perms | |
166 | operator&(perms __x, perms __y) | |
167 | { | |
168 | using __utype = typename std::underlying_type<perms>::type; | |
169 | return static_cast<perms>( | |
170 | static_cast<__utype>(__x) & static_cast<__utype>(__y)); | |
171 | } | |
172 | ||
173 | constexpr perms | |
174 | operator|(perms __x, perms __y) | |
175 | { | |
176 | using __utype = typename std::underlying_type<perms>::type; | |
177 | return static_cast<perms>( | |
178 | static_cast<__utype>(__x) | static_cast<__utype>(__y)); | |
179 | } | |
180 | ||
181 | constexpr perms | |
182 | operator^(perms __x, perms __y) | |
183 | { | |
184 | using __utype = typename std::underlying_type<perms>::type; | |
185 | return static_cast<perms>( | |
186 | static_cast<__utype>(__x) ^ static_cast<__utype>(__y)); | |
187 | } | |
188 | ||
189 | constexpr perms | |
190 | operator~(perms __x) | |
191 | { | |
192 | using __utype = typename std::underlying_type<perms>::type; | |
193 | return static_cast<perms>(~static_cast<__utype>(__x)); | |
194 | } | |
195 | ||
196 | inline perms& | |
197 | operator&=(perms& __x, perms __y) | |
198 | { return __x = __x & __y; } | |
199 | ||
200 | inline perms& | |
201 | operator|=(perms& __x, perms __y) | |
202 | { return __x = __x | __y; } | |
203 | ||
204 | inline perms& | |
205 | operator^=(perms& __x, perms __y) | |
206 | { return __x = __x ^ __y; } | |
207 | ||
208 | // Bitmask type | |
209 | enum class directory_options : unsigned char { | |
210 | none = 0, follow_directory_symlink = 1, skip_permission_denied = 2 | |
211 | }; | |
212 | ||
213 | constexpr directory_options | |
214 | operator&(directory_options __x, directory_options __y) | |
215 | { | |
216 | using __utype = typename std::underlying_type<directory_options>::type; | |
217 | return static_cast<directory_options>( | |
218 | static_cast<__utype>(__x) & static_cast<__utype>(__y)); | |
219 | } | |
220 | ||
221 | constexpr directory_options | |
222 | operator|(directory_options __x, directory_options __y) | |
223 | { | |
224 | using __utype = typename std::underlying_type<directory_options>::type; | |
225 | return static_cast<directory_options>( | |
226 | static_cast<__utype>(__x) | static_cast<__utype>(__y)); | |
227 | } | |
228 | ||
229 | constexpr directory_options | |
230 | operator^(directory_options __x, directory_options __y) | |
231 | { | |
232 | using __utype = typename std::underlying_type<directory_options>::type; | |
233 | return static_cast<directory_options>( | |
234 | static_cast<__utype>(__x) ^ static_cast<__utype>(__y)); | |
235 | } | |
236 | ||
237 | constexpr directory_options | |
238 | operator~(directory_options __x) | |
239 | { | |
240 | using __utype = typename std::underlying_type<directory_options>::type; | |
241 | return static_cast<directory_options>(~static_cast<__utype>(__x)); | |
242 | } | |
243 | ||
244 | inline directory_options& | |
245 | operator&=(directory_options& __x, directory_options __y) | |
246 | { return __x = __x & __y; } | |
247 | ||
248 | inline directory_options& | |
249 | operator|=(directory_options& __x, directory_options __y) | |
250 | { return __x = __x | __y; } | |
251 | ||
252 | inline directory_options& | |
253 | operator^=(directory_options& __x, directory_options __y) | |
254 | { return __x = __x ^ __y; } | |
255 | ||
256 | typedef chrono::time_point<chrono::system_clock> file_time_type; | |
257 | ||
258 | // operational functions | |
259 | ||
260 | void copy(const path& __from, const path& __to, copy_options __options); | |
261 | void copy(const path& __from, const path& __to, copy_options __options, | |
262 | error_code&) noexcept; | |
263 | ||
264 | bool copy_file(const path& __from, const path& __to, copy_options __option); | |
265 | bool copy_file(const path& __from, const path& __to, copy_options __option, | |
266 | error_code&) noexcept; | |
267 | ||
268 | path current_path(); | |
269 | ||
270 | file_status status(const path&); | |
271 | file_status status(const path&, error_code&) noexcept; | |
272 | ||
273 | bool status_known(file_status) noexcept; | |
274 | ||
275 | file_status symlink_status(const path&); | |
276 | file_status symlink_status(const path&, error_code&) noexcept; | |
277 | ||
278 | bool is_regular_file(file_status) noexcept; | |
279 | bool is_symlink(file_status) noexcept; | |
280 | ||
281 | // @} group filesystem | |
282 | _GLIBCXX_END_NAMESPACE_VERSION | |
283 | } // namespace v1 | |
284 | } // namespace filesystem | |
285 | } // namespace experimental | |
286 | } // namespace std | |
287 | ||
288 | #endif // C++11 | |
289 | ||
290 | #endif // _GLIBCXX_EXPERIMENTAL_FS_FWD_H |