willbe/entity/files/
manifest_file.rs

1#![ allow( clippy::std_instead_of_alloc, clippy::std_instead_of_core ) ]
2
3
4use crate::*;
5
6use entity::
7{
8  PathError,
9  CrateDir,
10};
11use core::
12{
13  fmt,
14  ops::
15  {
16    Deref,
17    DerefMut,
18  },
19};
20use std::
21{
22  path::{ Path, PathBuf },
23  io,
24};
25
26use pth::{ AbsolutePath, Utf8Path, Utf8PathBuf };
27
28// use error::
29// {
30//   Result,
31// };
32
33/// Path to crate directory
34#[ derive( Clone, Ord, PartialOrd, Eq, PartialEq, Hash ) ]
35pub struct ManifestFile( AbsolutePath );
36
37impl ManifestFile
38{
39  // aaa : bad : for Petro : why clone?
40  // /// Returns an absolute path.
41  // pub fn absolute_path( &self ) -> AbsolutePath
42  // {
43  //   self.0.clone()
44  // }
45
46  /// Returns inner type whicj is an absolute path.
47  #[ inline( always ) ]
48  #[ must_use ]
49  pub fn inner( self ) -> AbsolutePath
50  {
51    self.0
52  }
53
54  /// Returns path to crate dir.
55  #[ inline( always ) ]
56  #[ must_use ]
57  pub fn crate_dir( self ) -> CrateDir
58  {
59    self.into()
60  }
61
62}
63
64impl fmt::Display for ManifestFile
65{
66  fn fmt( &self, f : &mut fmt::Formatter< '_ > ) -> fmt::Result
67  {
68    write!( f, "{}", self.0.display() )
69  }
70}
71
72impl fmt::Debug for ManifestFile
73{
74  fn fmt( &self, f : &mut fmt::Formatter< '_ > ) -> fmt::Result
75  {
76    write!( f, "manifest file :: {}", self.0.display() )
77  }
78}
79
80// impl AsRef< AbsolutePath > for ManifestFile
81// {
82//   fn as_ref( &self ) -> &AbsolutePath
83//   {
84//     &self.0
85//   }
86// }
87
88impl From< CrateDir > for ManifestFile
89{
90  fn from( src : CrateDir ) -> Self
91  {
92    Self( src.absolute_path().join( "Cargo.toml" ) )
93  }
94}
95
96impl From< ManifestFile > for AbsolutePath
97{
98  fn from( src : ManifestFile ) -> Self
99  {
100    src.inner()
101  }
102}
103
104impl From< ManifestFile > for PathBuf
105{
106  fn from( src : ManifestFile ) -> Self
107  {
108    src.inner().inner()
109  }
110}
111
112// impl From< &ManifestFile > for &str
113// {
114//   fn from( src : &ManifestFile ) -> Self
115//   {
116//     src.to_str()
117//   }
118// }
119
120impl< 'a > TryFrom< &'a ManifestFile > for &'a str
121{
122  type Error = std::io::Error;
123  fn try_from( src : &'a ManifestFile ) -> Result< &'a str, Self::Error >
124  {
125    ( &src.0 ).try_into()
126  }
127}
128
129impl TryFrom< &ManifestFile > for String
130{
131  type Error = std::io::Error;
132  fn try_from( src : &ManifestFile ) -> Result< String, Self::Error >
133  {
134    let src2 : &str = src.try_into()?;
135    Result::Ok( src2.into() )
136  }
137}
138
139impl TryFrom< &AbsolutePath > for ManifestFile
140{
141  type Error = PathError;
142
143  #[ inline( always ) ]
144  fn try_from( manifest_file : &AbsolutePath ) -> Result< Self, Self::Error >
145  {
146    manifest_file.clone().try_into()
147  }
148}
149
150impl TryFrom< AbsolutePath > for ManifestFile
151{
152  type Error = PathError;
153
154  #[ inline( always ) ]
155  fn try_from( manifest_file : AbsolutePath ) -> Result< Self, Self::Error >
156  {
157
158    if !manifest_file.as_ref().ends_with( "Cargo.toml" )
159    {
160      let err = io::Error::other( format!( "File path does not end with Cargo.toml as it should {}", manifest_file.display() ) );
161      return Err( PathError::Io( err ) );
162    }
163
164    if !manifest_file.as_ref().is_file()
165    {
166      let err = io::Error::new( io::ErrorKind::InvalidData, format!( "Cannot find crate dir at {}", manifest_file.display() ) );
167      return Err( PathError::Io( err ) );
168    }
169    Result::Ok( Self( manifest_file ) )
170  }
171}
172
173impl TryFrom< PathBuf > for ManifestFile
174{
175  type Error = PathError;
176
177  #[ inline( always ) ]
178  fn try_from( manifest_file : PathBuf ) -> Result< Self, Self::Error >
179  {
180    Self::try_from( AbsolutePath::try_from( manifest_file )? )
181  }
182}
183
184impl TryFrom< &PathBuf > for ManifestFile
185{
186  type Error = PathError;
187
188  #[ inline( always ) ]
189  fn try_from( manifest_file : &PathBuf ) -> Result< Self, Self::Error >
190  {
191    Self::try_from( AbsolutePath::try_from( manifest_file )? )
192  }
193}
194
195impl TryFrom< &Path > for ManifestFile
196{
197  type Error = PathError;
198
199  #[ inline( always ) ]
200  fn try_from( manifest_file : &Path ) -> Result< Self, Self::Error >
201  {
202    Self::try_from( AbsolutePath::try_from( manifest_file )? )
203  }
204}
205
206impl TryFrom< &str > for ManifestFile
207{
208  type Error = PathError;
209
210  #[ inline( always ) ]
211  fn try_from( crate_dir_path : &str ) -> Result< Self, Self::Error >
212  {
213    Self::try_from( AbsolutePath::try_from( crate_dir_path )? )
214  }
215}
216
217impl TryFrom< Utf8PathBuf > for ManifestFile
218{
219  type Error = PathError;
220
221  #[ inline( always ) ]
222  fn try_from( manifest_file : Utf8PathBuf ) -> Result< Self, Self::Error >
223  {
224    Self::try_from( AbsolutePath::try_from( manifest_file )? )
225  }
226}
227
228impl TryFrom< &Utf8PathBuf > for ManifestFile
229{
230  type Error = PathError;
231
232  #[ inline( always ) ]
233  fn try_from( manifest_file : &Utf8PathBuf ) -> Result< Self, Self::Error >
234  {
235    Self::try_from( AbsolutePath::try_from( manifest_file )? )
236  }
237}
238
239impl TryFrom< &Utf8Path > for ManifestFile
240{
241  type Error = PathError;
242
243  #[ inline( always ) ]
244  fn try_from( manifest_file : &Utf8Path ) -> Result< Self, Self::Error >
245  {
246    Self::try_from( AbsolutePath::try_from( manifest_file )? )
247  }
248}
249
250impl AsRef< Path > for ManifestFile
251{
252  fn as_ref( &self ) -> &Path
253  {
254    self.0.as_ref()
255  }
256}
257
258impl AsMut< Path > for ManifestFile
259{
260  fn as_mut( &mut self ) -> &mut Path
261  {
262    self.0.as_mut()
263  }
264}
265
266impl Deref for ManifestFile
267{
268  type Target = AbsolutePath;
269  fn deref( &self ) -> &Self::Target
270  {
271    &self.0
272  }
273}
274
275impl DerefMut for ManifestFile
276{
277  fn deref_mut( &mut self ) -> &mut Self::Target
278  {
279    &mut self.0
280  }
281}
willbe/entity/files/manifest_file.rs

willbe/entity/files/
manifest_file.rs
