| 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 |
| } |
| } |