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| -rw-r--r-- | src/repository/fs.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/repository/fs.rs b/src/repository/fs.rs index c648126..3b7972f 100644 --- a/src/repository/fs.rs +++ b/src/repository/fs.rs @@ -107,6 +107,41 @@ impl FileSystemRepresentation { Ok(fsr) } + pub fn is_leaf_file(&self, path: &Path) -> Result<bool> { + let mut curr_hm = &self.elements; + + fn toml_files_in_tree(hm: &HashMap<PathComponent, Element>) -> bool { + for value in hm.values() { + match value { + Element::File(_) => return true, + Element::Dir(hm) => if toml_files_in_tree(hm) { + return true + }, + } + } + false + } + + for elem in path.components() { + let elem = PathComponent::try_from(&elem)?; + + match curr_hm.get(&elem) { + Some(Element::File(_)) => { + // if I have a file now, and the current hashmap only holds either + // * No directory + // * or a directory where all subdirs do not contain a pkg.toml + return Ok(curr_hm.values().count() == 1 || !toml_files_in_tree(curr_hm)) + }, + Some(Element::Dir(hm)) => curr_hm = hm, + None => { + unimplemented!() + }, + } + } + + Ok(false) + } + pub fn get_files_for<'a>(&'a self, path: &Path) -> Result<Vec<&'a String>> { let mut res = Vec::with_capacity(10); // good enough |