initial commit

1 files changed, 47 insertions, 0 deletions

diff --git a/src/writer.rs b/src/writer.rs
new file mode 100644
index 0000000..d7fc037
--- /dev/null
+++ b/src/writer.rs
@@ -0,0 +1,47 @@
+use futures::{AsyncWrite, Sink};
+
+use crate::{
+    element::{Element, Name, Namespace},
+    error::Error,
+};
+
+pub struct Writer<W> {
+    stream: W,
+    depth: Vec<Name>,
+    namespaces: Vec<(usize, Namespace)>,
+}
+
+impl<W: AsyncWrite> Writer<W> {
+    pub async fn write(&self, element: impl Into<Element>) -> Result<(), Error> {}
+    pub async fn write_start(&self, element: impl Into<Element>) -> Result<(), Error> {}
+    pub async fn write_end(&self) -> Result<(), Error> {}
+}
+
+impl<W: AsyncWrite, E: Into<Element>> Sink<E> for Writer<W> {
+    type Error = Error;
+
+    fn poll_ready(
+        self: std::pin::Pin<&mut Self>,
+        cx: &mut std::task::Context<'_>,
+    ) -> std::task::Poll<Result<(), Self::Error>> {
+        todo!()
+    }
+
+    fn start_send(self: std::pin::Pin<&mut Self>, item: E) -> Result<(), Self::Error> {
+        todo!()
+    }
+
+    fn poll_flush(
+        self: std::pin::Pin<&mut Self>,
+        cx: &mut std::task::Context<'_>,
+    ) -> std::task::Poll<Result<(), Self::Error>> {
+        todo!()
+    }
+
+    fn poll_close(
+        self: std::pin::Pin<&mut Self>,
+        cx: &mut std::task::Context<'_>,
+    ) -> std::task::Poll<Result<(), Self::Error>> {
+        todo!()
+    }
+}