1 files changed, 62 insertions, 0 deletions
diff --git a/formats/msgpack/src/lib.rs b/formats/msgpack/src/lib.rs
new file mode 100644
index 0000000..36af1aa
--- /dev/null
+++ b/formats/msgpack/src/lib.rs
@@ -0,0 +1,62 @@
+// Copyright 2015 Till Höppner
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use std::io::{BufRead, Write};
+use std::iter::Iterator;
+
+use event::Event;
+use context::Context;
+use format::{Decode, Encode};
+
+use rustc_serialize::{Decodable, Encodable};
+use msgpack::{Decoder, Encoder};
+use rmp::decode::ReadError;
+
+pub struct Msgpack;
+
+pub struct Iter<'a> {
+    input: &'a mut BufRead,
+}
+
+impl<'a> Iterator for Iter<'a> {
+    type Item = ::Result<Event<'a>>;
+    fn next(&mut self) -> Option<::Result<Event<'a>>> {
+        use msgpack::decode;
+        match Event::decode(&mut Decoder::new(&mut self.input)) {
+            Ok(e) => Some(Ok(e)),
+            Err(decode::Error::InvalidMarkerRead(ReadError::UnexpectedEOF)) => None,
+            Err(e) => Some(Err(::IlcError::MsgpackDecode(e))),
+        }
+    }
+}
+
+impl Encode for Msgpack {
+    fn encode<'a>(&'a self,
+                  _context: &'a Context,
+                  output: &'a mut Write,
+                  event: &'a Event)
+                  -> ::Result<()> {
+        event.encode(&mut Encoder::new(output))
+             .map_err(|e| ::IlcError::MsgpackEncode(e))
+    }
+}
+
+impl Decode for Msgpack {
+    fn decode<'a>(&'a mut self,
+                  _context: &'a Context,
+                  input: &'a mut BufRead)
+                  -> Box<Iterator<Item = ::Result<Event<'a>>> + 'a> {
+        Box::new(Iter { input: input })
+    }
+}