openpgp: Support the marker packet.

  - Fixes #234.

1 files changed, 53 insertions, 0 deletions

diff --git a/openpgp/src/packet/marker.rs b/openpgp/src/packet/marker.rs
new file mode 100644
index 00000000..21be2443
--- /dev/null
+++ b/openpgp/src/packet/marker.rs
@@ -0,0 +1,53 @@
+use quickcheck::{Arbitrary, Gen};
+
+use packet;
+use Packet;
+
+/// Holds a Marker packet.
+///
+/// See [Section 5.8 of RFC 4880] for details.
+///
+///   [Section 5.8 of RFC 4880]: https://tools.ietf.org/html/rfc4880#section-5.8
+#[derive(PartialEq, Eq, Hash, Clone, Debug)]
+pub struct Marker {
+    /// CTB packet header fields.
+    pub(crate) common: packet::Common,
+}
+
+impl Marker {
+    pub(crate) const BODY: &'static [u8] = &[0x50, 0x47, 0x50];
+}
+
+impl Default for Marker {
+    fn default() -> Self {
+        Self {
+            common: Default::default(),
+        }
+    }
+}
+
+impl From<Marker> for Packet {
+    fn from(p: Marker) -> Self {
+        Packet::Marker(p)
+    }
+}
+
+impl Arbitrary for Marker {
+    fn arbitrary<G: Gen>(_: &mut G) -> Self {
+        Self::default()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use parse::Parse;
+    use serialize::SerializeInto;
+
+    #[test]
+    fn roundtrip() {
+        let p = Marker::default();
+        let q = Marker::from_bytes(&p.to_vec().unwrap()).unwrap();
+        assert_eq!(p, q);
+    }
+}