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Prevent crash for filenames with no components

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Now there are no more unwrap()s!
This commit is contained in:
Ben S 2015-01-31 17:18:53 +00:00
parent 6d4b30d531
commit 10096d1043
1 changed files with 12 additions and 2 deletions
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14
src/file.rs
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@ -45,8 +45,18 @@ impl<'a> File<'a> {
/// Create a new File object from the given Stat result, and other data.
pub fn with_stat(stat: io::FileStat, path: &Path, parent: Option<&'a Dir>) -> File<'a> {
let v = path.filename().unwrap_or_else(|| panic!("Failed to get filename for {:?}", path)); // fails if / or . or ..
let filename = String::from_utf8_lossy(v);
// The filename to display is the last component of the path. However,
// the path has no components for `.`, `..`, and `/`, so in these
// cases, the entire path is used.
let bytes = match path.components().last() {
Some(b) => b,
None => path.as_vec(),
};
// Convert the string to UTF-8, replacing any invalid characters with
// replacement characters.
let filename = String::from_utf8_lossy(bytes);
File {
path: path.clone(),