1 files changed, 55 insertions, 0 deletions
diff --git a/src/asn1_types/end_of_content.rs b/src/asn1_types/end_of_content.rs
new file mode 100644
index 0000000..4a9d291
--- /dev/null
+++ b/src/asn1_types/end_of_content.rs
@@ -0,0 +1,55 @@
+use crate::{Any, Error, Result, Tag, Tagged};
+use core::convert::TryFrom;
+
+/// End-of-contents octets
+///
+/// `EndOfContent` is not a BER type, but represents a marked to indicate the end of contents
+/// of an object, when the length is `Indefinite` (see X.690 section 8.1.5).
+///
+/// This type cannot exist in DER, and so provides no `FromDer`/`ToDer` implementation.
+#[derive(Debug)]
+pub struct EndOfContent {}
+
+impl EndOfContent {
+    pub const fn new() -> Self {
+        EndOfContent {}
+    }
+}
+
+impl<'a> TryFrom<Any<'a>> for EndOfContent {
+    type Error = Error;
+
+    fn try_from(any: Any<'a>) -> Result<EndOfContent> {
+        TryFrom::try_from(&any)
+    }
+}
+
+impl<'a, 'b> TryFrom<&'b Any<'a>> for EndOfContent {
+    type Error = Error;
+
+    fn try_from(any: &'b Any<'a>) -> Result<EndOfContent> {
+        any.tag().assert_eq(Self::TAG)?;
+        if !any.header.length.is_null() {
+            return Err(Error::InvalidLength);
+        }
+        Ok(EndOfContent {})
+    }
+}
+
+impl Tagged for EndOfContent {
+    const TAG: Tag = Tag::EndOfContent;
+}
+
+// impl ToDer for EndOfContent {
+//     fn to_der_len(&self) -> Result<usize> {
+//         Ok(2)
+//     }
+
+//     fn write_der_header(&self, writer: &mut dyn std::io::Write) -> crate::SerializeResult<usize> {
+//         writer.write(&[Self::TAG.0 as u8, 0x00]).map_err(Into::into)
+//     }
+
+//     fn write_der_content(&self, _writer: &mut dyn std::io::Write) -> crate::SerializeResult<usize> {
+//         Ok(0)
+//     }
+// }