aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorTill Höppner2016-09-15 23:31:11 +0200
committerGitHub2016-09-15 23:31:11 +0200
commit7bcd1b7d827517cf8df0fdc86a698a171a32f736 (patch)
tree1f175d26bc73dc2f58492188e19bbdbaa3bc52f7
parentb08684329bd0601550e3aa6f0926ce1e755668e8 (diff)
parentcae983f2cc93258c69e0f28e149d5da7802bb464 (diff)
downloadincludedir-7bcd1b7d827517cf8df0fdc86a698a171a32f736.tar.gz
includedir-7bcd1b7d827517cf8df0fdc86a698a171a32f736.tar.xz
includedir-7bcd1b7d827517cf8df0fdc86a698a171a32f736.zip
Merge pull request #1 from emk/file_names_iter
Allow iteration over available file names
-rw-r--r--example/src/main.rs5
-rw-r--r--lib/src/lib.rs21
2 files changed, 25 insertions, 1 deletions
diff --git a/example/src/main.rs b/example/src/main.rs
index 9ca782c..e1a4931 100644
--- a/example/src/main.rs
+++ b/example/src/main.rs
@@ -4,7 +4,10 @@ extern crate phf;
include!(concat!(env!("OUT_DIR"), "/data.rs"));
fn main() {
- println!("{:?}", FILES.get("data/foo"))
+ println!("{:?}", FILES.get("data/foo"));
+ for name in FILES.file_names() {
+ println!("Found: {}", name);
+ }
// for (k, v) in FILES.entries() {
// println!("{}: {} bytes", k, v.len());
// }
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)
+ }
+}