1 | use crate::builder::Str; |
2 | |
3 | /// A UTF-8-encoded fixed string |
4 | /// |
5 | /// <div class="warning"> |
6 | /// |
7 | /// **NOTE:** To support dynamic values (i.e. `OsString`), enable the `string` |
8 | /// feature |
9 | /// |
10 | /// </div> |
11 | #[derive (Default, Clone, Eq, PartialEq, PartialOrd, Ord, Hash)] |
12 | pub struct OsStr { |
13 | name: Inner, |
14 | } |
15 | |
16 | impl OsStr { |
17 | #[cfg (feature = "string" )] |
18 | pub(crate) fn from_string(name: std::ffi::OsString) -> Self { |
19 | Self { |
20 | name: Inner::from_string(name), |
21 | } |
22 | } |
23 | |
24 | #[cfg (feature = "string" )] |
25 | pub(crate) fn from_ref(name: &std::ffi::OsStr) -> Self { |
26 | Self { |
27 | name: Inner::from_ref(name), |
28 | } |
29 | } |
30 | |
31 | pub(crate) fn from_static_ref(name: &'static std::ffi::OsStr) -> Self { |
32 | Self { |
33 | name: Inner::from_static_ref(name), |
34 | } |
35 | } |
36 | |
37 | /// Get the raw string as an `std::ffi::OsStr` |
38 | pub fn as_os_str(&self) -> &std::ffi::OsStr { |
39 | self.name.as_os_str() |
40 | } |
41 | |
42 | /// Get the raw string as an `OsString` |
43 | pub fn to_os_string(&self) -> std::ffi::OsString { |
44 | self.as_os_str().to_owned() |
45 | } |
46 | } |
47 | |
48 | impl From<&'_ OsStr> for OsStr { |
49 | fn from(id: &'_ OsStr) -> Self { |
50 | id.clone() |
51 | } |
52 | } |
53 | |
54 | #[cfg (feature = "string" )] |
55 | impl From<Str> for OsStr { |
56 | fn from(id: Str) -> Self { |
57 | match id.into_inner() { |
58 | crate::builder::StrInner::Static(s) => Self::from_static_ref(std::ffi::OsStr::new(s)), |
59 | crate::builder::StrInner::Owned(s) => Self::from_ref(std::ffi::OsStr::new(s.as_ref())), |
60 | } |
61 | } |
62 | } |
63 | |
64 | #[cfg (not(feature = "string" ))] |
65 | impl From<Str> for OsStr { |
66 | fn from(id: Str) -> Self { |
67 | Self::from_static_ref(name:std::ffi::OsStr::new(id.into_inner().0)) |
68 | } |
69 | } |
70 | |
71 | impl From<&'_ Str> for OsStr { |
72 | fn from(id: &'_ Str) -> Self { |
73 | id.clone().into() |
74 | } |
75 | } |
76 | |
77 | #[cfg (feature = "string" )] |
78 | impl From<std::ffi::OsString> for OsStr { |
79 | fn from(name: std::ffi::OsString) -> Self { |
80 | Self::from_string(name) |
81 | } |
82 | } |
83 | |
84 | #[cfg (feature = "string" )] |
85 | impl From<&'_ std::ffi::OsString> for OsStr { |
86 | fn from(name: &'_ std::ffi::OsString) -> Self { |
87 | Self::from_ref(name.as_os_str()) |
88 | } |
89 | } |
90 | |
91 | #[cfg (feature = "string" )] |
92 | impl From<String> for OsStr { |
93 | fn from(name: String) -> Self { |
94 | Self::from_string(name.into()) |
95 | } |
96 | } |
97 | |
98 | #[cfg (feature = "string" )] |
99 | impl From<&'_ String> for OsStr { |
100 | fn from(name: &'_ String) -> Self { |
101 | Self::from_ref(name.as_str().as_ref()) |
102 | } |
103 | } |
104 | |
105 | impl From<&'static std::ffi::OsStr> for OsStr { |
106 | fn from(name: &'static std::ffi::OsStr) -> Self { |
107 | Self::from_static_ref(name) |
108 | } |
109 | } |
110 | |
111 | impl From<&'_ &'static std::ffi::OsStr> for OsStr { |
112 | fn from(name: &'_ &'static std::ffi::OsStr) -> Self { |
113 | Self::from_static_ref(name) |
114 | } |
115 | } |
116 | |
117 | impl From<&'static str> for OsStr { |
118 | fn from(name: &'static str) -> Self { |
119 | Self::from_static_ref(name.as_ref()) |
120 | } |
121 | } |
122 | |
123 | impl From<&'_ &'static str> for OsStr { |
124 | fn from(name: &'_ &'static str) -> Self { |
125 | Self::from_static_ref((*name).as_ref()) |
126 | } |
127 | } |
128 | |
129 | impl From<OsStr> for std::ffi::OsString { |
130 | fn from(name: OsStr) -> Self { |
131 | name.name.into_os_string() |
132 | } |
133 | } |
134 | |
135 | impl From<OsStr> for std::path::PathBuf { |
136 | fn from(name: OsStr) -> Self { |
137 | std::ffi::OsString::from(name).into() |
138 | } |
139 | } |
140 | |
141 | impl std::fmt::Debug for OsStr { |
142 | #[inline ] |
143 | fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { |
144 | std::fmt::Debug::fmt(self.as_os_str(), f) |
145 | } |
146 | } |
147 | |
148 | impl std::ops::Deref for OsStr { |
149 | type Target = std::ffi::OsStr; |
150 | |
151 | #[inline ] |
152 | fn deref(&self) -> &std::ffi::OsStr { |
153 | self.as_os_str() |
154 | } |
155 | } |
156 | |
157 | impl AsRef<std::ffi::OsStr> for OsStr { |
158 | #[inline ] |
159 | fn as_ref(&self) -> &std::ffi::OsStr { |
160 | self.as_os_str() |
161 | } |
162 | } |
163 | |
164 | impl AsRef<std::path::Path> for OsStr { |
165 | #[inline ] |
166 | fn as_ref(&self) -> &std::path::Path { |
167 | std::path::Path::new(self) |
168 | } |
169 | } |
170 | |
171 | impl std::borrow::Borrow<std::ffi::OsStr> for OsStr { |
172 | #[inline ] |
173 | fn borrow(&self) -> &std::ffi::OsStr { |
174 | self.as_os_str() |
175 | } |
176 | } |
177 | |
178 | impl PartialEq<str> for OsStr { |
179 | #[inline ] |
180 | fn eq(&self, other: &str) -> bool { |
181 | PartialEq::eq(self.as_os_str(), other) |
182 | } |
183 | } |
184 | impl PartialEq<OsStr> for str { |
185 | #[inline ] |
186 | fn eq(&self, other: &OsStr) -> bool { |
187 | PartialEq::eq(self, other.as_os_str()) |
188 | } |
189 | } |
190 | |
191 | impl PartialEq<&'_ str> for OsStr { |
192 | #[inline ] |
193 | fn eq(&self, other: &&str) -> bool { |
194 | PartialEq::eq(self.as_os_str(), *other) |
195 | } |
196 | } |
197 | impl PartialEq<OsStr> for &'_ str { |
198 | #[inline ] |
199 | fn eq(&self, other: &OsStr) -> bool { |
200 | PartialEq::eq(*self, other.as_os_str()) |
201 | } |
202 | } |
203 | |
204 | impl PartialEq<&'_ std::ffi::OsStr> for OsStr { |
205 | #[inline ] |
206 | fn eq(&self, other: &&std::ffi::OsStr) -> bool { |
207 | PartialEq::eq(self.as_os_str(), *other) |
208 | } |
209 | } |
210 | impl PartialEq<OsStr> for &'_ std::ffi::OsStr { |
211 | #[inline ] |
212 | fn eq(&self, other: &OsStr) -> bool { |
213 | PartialEq::eq(*self, other.as_os_str()) |
214 | } |
215 | } |
216 | |
217 | impl PartialEq<String> for OsStr { |
218 | #[inline ] |
219 | fn eq(&self, other: &String) -> bool { |
220 | PartialEq::eq(self.as_os_str(), other.as_str()) |
221 | } |
222 | } |
223 | impl PartialEq<OsStr> for String { |
224 | #[inline ] |
225 | fn eq(&self, other: &OsStr) -> bool { |
226 | PartialEq::eq(self.as_str(), other.as_os_str()) |
227 | } |
228 | } |
229 | |
230 | impl PartialEq<std::ffi::OsString> for OsStr { |
231 | #[inline ] |
232 | fn eq(&self, other: &std::ffi::OsString) -> bool { |
233 | PartialEq::eq(self.as_os_str(), other.as_os_str()) |
234 | } |
235 | } |
236 | impl PartialEq<OsStr> for std::ffi::OsString { |
237 | #[inline ] |
238 | fn eq(&self, other: &OsStr) -> bool { |
239 | PartialEq::eq(self.as_os_str(), other.as_os_str()) |
240 | } |
241 | } |
242 | |
243 | #[cfg (feature = "string" )] |
244 | pub(crate) mod inner { |
245 | #[derive (Clone)] |
246 | pub(crate) enum Inner { |
247 | Static(&'static std::ffi::OsStr), |
248 | Owned(Box<std::ffi::OsStr>), |
249 | } |
250 | |
251 | impl Inner { |
252 | pub(crate) fn from_string(name: std::ffi::OsString) -> Self { |
253 | Self::Owned(name.into_boxed_os_str()) |
254 | } |
255 | |
256 | pub(crate) fn from_ref(name: &std::ffi::OsStr) -> Self { |
257 | Self::Owned(Box::from(name)) |
258 | } |
259 | |
260 | pub(crate) fn from_static_ref(name: &'static std::ffi::OsStr) -> Self { |
261 | Self::Static(name) |
262 | } |
263 | |
264 | pub(crate) fn as_os_str(&self) -> &std::ffi::OsStr { |
265 | match self { |
266 | Self::Static(s) => s, |
267 | Self::Owned(s) => s.as_ref(), |
268 | } |
269 | } |
270 | |
271 | pub(crate) fn into_os_string(self) -> std::ffi::OsString { |
272 | self.as_os_str().to_owned() |
273 | } |
274 | } |
275 | } |
276 | |
277 | #[cfg (not(feature = "string" ))] |
278 | pub(crate) mod inner { |
279 | #[derive (Clone)] |
280 | pub(crate) struct Inner(&'static std::ffi::OsStr); |
281 | |
282 | impl Inner { |
283 | pub(crate) fn from_static_ref(name: &'static std::ffi::OsStr) -> Self { |
284 | Self(name) |
285 | } |
286 | |
287 | pub(crate) fn as_os_str(&self) -> &std::ffi::OsStr { |
288 | self.0 |
289 | } |
290 | |
291 | pub(crate) fn into_os_string(self) -> std::ffi::OsString { |
292 | self.as_os_str().to_owned() |
293 | } |
294 | } |
295 | } |
296 | |
297 | pub(crate) use inner::Inner; |
298 | |
299 | impl Default for Inner { |
300 | fn default() -> Self { |
301 | Self::from_static_ref(name:std::ffi::OsStr::new("" )) |
302 | } |
303 | } |
304 | |
305 | impl PartialEq for Inner { |
306 | fn eq(&self, other: &Inner) -> bool { |
307 | self.as_os_str() == other.as_os_str() |
308 | } |
309 | } |
310 | |
311 | impl PartialOrd for Inner { |
312 | fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> { |
313 | Some(self.cmp(other)) |
314 | } |
315 | } |
316 | |
317 | impl Ord for Inner { |
318 | fn cmp(&self, other: &Inner) -> std::cmp::Ordering { |
319 | self.as_os_str().cmp(other.as_os_str()) |
320 | } |
321 | } |
322 | |
323 | impl Eq for Inner {} |
324 | |
325 | impl std::hash::Hash for Inner { |
326 | #[inline ] |
327 | fn hash<H: std::hash::Hasher>(&self, state: &mut H) { |
328 | self.as_os_str().hash(state); |
329 | } |
330 | } |
331 | |