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Document vfs private items

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Arnaud 2021-01-12 17:41:45 +01:00
parent 311ec70d03
commit 4b71c8332d
5 changed files with 117 additions and 2 deletions
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20
crates/vfs/src/lib.rs
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@ -176,6 +176,14 @@ impl Vfs {
pub fn take_changes(&mut self) -> Vec<ChangedFile> {
mem::take(&mut self.changes)
}
/// Returns the id associated with `path`
///
/// - If `path` does not exists in the `Vfs`, allocate a new id for it, associated with a
/// deleted file;
/// - Else, returns `path`'s id.
///
/// Does not record a change.
fn alloc_file_id(&mut self, path: VfsPath) -> FileId {
let file_id = self.interner.intern(path);
let idx = file_id.0 as usize;
@ -183,9 +191,21 @@ impl Vfs {
self.data.resize_with(len, || None);
file_id
}
/// Returns the content associated with the given `file_id`.
///
/// # Panics
///
/// Panics if no file is associated to that id.
fn get(&self, file_id: FileId) -> &Option<Vec<u8>> {
&self.data[file_id.0 as usize]
}
/// Mutably returns the content associated with the given `file_id`.
///
/// # Panics
///
/// Panics if no file is associated to that id.
fn get_mut(&mut self, file_id: FileId) -> &mut Option<Vec<u8>> {
&mut self.data[file_id.0 as usize]
}