1 files changed, 17 insertions, 1 deletions
diff --git a/src/encoding/method.rs b/src/encoding/method.rs
index 5f8110a..73829b0 100644
--- a/src/encoding/method.rs
+++ b/src/encoding/method.rs
@@ -1,5 +1,7 @@
-use std::fmt::Display;
+use anyhow::bail;
+use std::{fmt::Display, str::FromStr};
 
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub enum Method {
     Register,
     Invite,
@@ -21,3 +23,17 @@ impl Display for Method {
         })
     }
 }
+impl FromStr for Method {
+    type Err = anyhow::Error;
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        Ok(match s {
+            "REGISTER" => Method::Register,
+            "INVITE" => Method::Invite,
+            "ACK" => Method::Ack,
+            "OPTION" => Method::Option,
+            "CANCEL" => Method::Cancel,
+            "BYE" => Method::Bye,
+            _ => bail!("unknown method"),
+        })
+    }
+}