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authorTill Höppner2016-09-15 23:31:11 +0200
committerGitHub2016-09-15 23:31:11 +0200
commit7bcd1b7d827517cf8df0fdc86a698a171a32f736 (patch)
tree1f175d26bc73dc2f58492188e19bbdbaa3bc52f7 /lib/src/lib.rs
parentb08684329bd0601550e3aa6f0926ce1e755668e8 (diff)
parentcae983f2cc93258c69e0f28e149d5da7802bb464 (diff)
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Merge pull request #1 from emk/file_names_iter
Allow iteration over available file names
Diffstat (limited to 'lib/src/lib.rs')
-rw-r--r--lib/src/lib.rs21
1 files changed, 21 insertions, 0 deletions
diff --git a/lib/src/lib.rs b/lib/src/lib.rs
index ce1e2ec..57d3610 100644
--- a/lib/src/lib.rs
+++ b/lib/src/lib.rs
@@ -37,6 +37,12 @@ impl Files {
self.files.contains_key(path)
}
+ /// Returns an iterator over all available file names. Does not
+ /// decompress any compressed data.
+ pub fn file_names(&self) -> FileNames {
+ FileNames { iter: self.files.keys() }
+ }
+
pub fn get(&self, path: &str) -> io::Result<Cow<'static, [u8]>> {
let key = as_key(path);
match self.files.get(key.borrow() as &str) {
@@ -83,3 +89,18 @@ impl Files {
}
}
}
+
+/// Iterates over the file names available for `Files` object.
+pub struct FileNames<'a> {
+ /// Our internal iterator. We wrap this in a nice struct so our
+ /// caller doesn't need to know the details.
+ iter: phf::map::Keys<'a, &'static str, (Compression, &'static [u8])>,
+}
+
+impl<'a> Iterator for FileNames<'a> {
+ type Item = &'static str;
+
+ fn next(&mut self) -> Option<Self::Item> {
+ self.iter.next().map(|s| *s)
+ }
+}