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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/rust/tokio-stream/src/wrappers/read_dir.rs
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/tokio-stream/src/wrappers/read_dir.rs')
-rw-r--r--third_party/rust/tokio-stream/src/wrappers/read_dir.rs47
1 files changed, 47 insertions, 0 deletions
diff --git a/third_party/rust/tokio-stream/src/wrappers/read_dir.rs b/third_party/rust/tokio-stream/src/wrappers/read_dir.rs
new file mode 100644
index 0000000000..b5cf54f79e
--- /dev/null
+++ b/third_party/rust/tokio-stream/src/wrappers/read_dir.rs
@@ -0,0 +1,47 @@
+use crate::Stream;
+use std::io;
+use std::pin::Pin;
+use std::task::{Context, Poll};
+use tokio::fs::{DirEntry, ReadDir};
+
+/// A wrapper around [`tokio::fs::ReadDir`] that implements [`Stream`].
+///
+/// [`tokio::fs::ReadDir`]: struct@tokio::fs::ReadDir
+/// [`Stream`]: trait@crate::Stream
+#[derive(Debug)]
+#[cfg_attr(docsrs, doc(cfg(feature = "fs")))]
+pub struct ReadDirStream {
+ inner: ReadDir,
+}
+
+impl ReadDirStream {
+ /// Create a new `ReadDirStream`.
+ pub fn new(read_dir: ReadDir) -> Self {
+ Self { inner: read_dir }
+ }
+
+ /// Get back the inner `ReadDir`.
+ pub fn into_inner(self) -> ReadDir {
+ self.inner
+ }
+}
+
+impl Stream for ReadDirStream {
+ type Item = io::Result<DirEntry>;
+
+ fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
+ self.inner.poll_next_entry(cx).map(Result::transpose)
+ }
+}
+
+impl AsRef<ReadDir> for ReadDirStream {
+ fn as_ref(&self) -> &ReadDir {
+ &self.inner
+ }
+}
+
+impl AsMut<ReadDir> for ReadDirStream {
+ fn as_mut(&mut self) -> &mut ReadDir {
+ &mut self.inner
+ }
+}