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Fix "no value set for FileTextQuery(FileId(..))"

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This commit is contained in:
Jonas Schievink 2020-12-09 17:29:34 +01:00
parent 42be522c80
commit 6857989f6f
3 changed files with 19 additions and 8 deletions
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9
crates/vfs/src/lib.rs
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@ -99,18 +99,19 @@ impl Vfs {
(file_id, path)
})
}
pub fn set_file_contents(&mut self, path: VfsPath, contents: Option<Vec<u8>>) {
pub fn set_file_contents(&mut self, path: VfsPath, contents: Option<Vec<u8>>) -> bool {
let file_id = self.alloc_file_id(path);
let change_kind = match (&self.get(file_id), &contents) {
(None, None) => return,
(None, None) => return false,
(None, Some(_)) => ChangeKind::Create,
(Some(_), None) => ChangeKind::Delete,
(Some(old), Some(new)) if old == new => return,
(Some(old), Some(new)) if old == new => return false,
(Some(_), Some(_)) => ChangeKind::Modify,
};
*self.get_mut(file_id) = contents;
self.changes.push(ChangedFile { file_id, change_kind })
self.changes.push(ChangedFile { file_id, change_kind });
true
}
pub fn has_changes(&self) -> bool {
!self.changes.is_empty()