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Directory

Struct Directory 

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pub struct Directory { /* private fields */ }

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impl Directory

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pub fn apply_attrs(&mut self, attrs: SetFileAttributes)

Examples found in repository?
examples/memfs.rs (line 187)
183    fn setattr(&mut self, ino: INode, attrs: SetFileAttributes) -> Result<FileAttributes> {
184        let entry = self.inodes.get_mut(ino).ok_or(FSError::NoEntry)?;
185
186        match entry.kind_mut() {
187            INodeKind::Directory(dir) => dir.apply_attrs(attrs),
188            INodeKind::File(file) => file.attrs.apply_attrs(attrs),
189        };
190
191        Ok(entry.getattrs())
192    }
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impl Directory

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pub fn get(&self, name: &OsStr) -> Option<&INode>

Examples found in repository?
examples/memfs.rs (line 95)
87    fn lookup(&mut self, parent: INode, name: &OsStr) -> Result<Lookup> {
88        let parent = self
89            .inodes
90            .get(parent)
91            .ok_or(FSError::NoEntry)
92            .and_then(|x| x.as_dir().ok_or(FSError::NotDirectory))?;
93
94        let (child_ino, child) = parent
95            .get(name)
96            // get the inode entry and then map it into (inode, &entry)
97            .and_then(|ino| self.inodes.get(*ino).map(|x| (*ino, x)))
98            .ok_or(FSError::NoEntry)?;
99
100        Ok(Lookup::builder()
101            .attributes(child.getattrs())
102            .inode(child_ino)
103            .build())
104    }
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pub fn children(&self) -> DirIter<'_>

Examples found in repository?
examples/memfs.rs (line 134)
112    fn readdir(&mut self, dir_ino: INode, offset: u64) -> Result<Vec<DirEntry>> {
113        let dir_main = self.inodes.get(dir_ino).ok_or(FSError::NoEntry)?;
114        let dir = dir_main.as_dir().ok_or(FSError::NotDirectory)?;
115
116        let dots = [
117            DirEntry::builder()
118                .name(".".into())
119                .inode(dir_ino)
120                .typ(FileType::Directory)
121                .offset(1)
122                .build(),
123            DirEntry::builder()
124                .name("..".into())
125                .inode(dir_main.parent().unwrap_or(ROOT_INODE))
126                .typ(FileType::Directory)
127                .offset(2)
128                .build(),
129        ];
130
131        Ok(dots
132            .into_iter()
133            .chain(
134                dir.children()
135                    .enumerate()
136                    .map(
137                        |(off, v)| (off + 3, v), // add 3 to skip 0 and the two dots
138                    )
139                    .map(|(offset, (name, inode))| {
140                        DirEntry::builder()
141                            .name(name.clone())
142                            .offset(offset as u64)
143                            .inode(inode)
144                            .typ(self.inodes.get(inode).unwrap().file_type())
145                            .build()
146                    }),
147            )
148            .skip(offset as usize)
149            .collect())
150    }

Trait Implementations§

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impl Attributable for Directory

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impl Debug for Directory

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for Directory

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fn default() -> Directory

Returns the “default value” for a type. Read more
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impl<F> IntoINodeEntry<F> for Directory

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fn with_parent(self, parent: INode) -> INodeEntry<F>

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

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Calls U::from(self).

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where F: FnOnce(&Self) -> bool,

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type Error = Infallible

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type Error = <U as TryFrom<T>>::Error

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where S: Into<Dispatch>,

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Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more