1 files changed, 12 insertions, 1 deletions
diff --git a/src/encoding/headermap.rs b/src/encoding/headermap.rs
index 65ef8d2..5d1fa0a 100644
--- a/src/encoding/headermap.rs
+++ b/src/encoding/headermap.rs
@@ -1,5 +1,5 @@
 use super::headers::Header;
-use anyhow::Result;
+use anyhow::{anyhow, Result};
 use std::fmt::Display;
 
 #[derive(Debug, Clone)]
@@ -38,6 +38,17 @@ impl Display for HeaderMap {
         Ok(())
     }
 }
+impl HeaderMap {
+    pub fn parse<'a>(lines: &mut impl Iterator<Item = &'a str>) -> Result<Self> {
+        let mut headers = HeaderMap::new();
+        for line in lines {
+            // TODO multiline values
+            let (key, value) = line.split_once(":").ok_or(anyhow!("header malformed"))?;
+            headers.insert_raw(key.trim().to_string(), value.trim().to_string())
+        }
+        Ok(headers)
+    }
+}
 
 impl FromIterator<(String, String)> for HeaderMap {
     fn from_iter<T: IntoIterator<Item = (String, String)>>(iter: T) -> Self {