WIP mime headers

README.md

@@ -97,6 +97,7 @@ Todo:
 | 🔴 |2047	| ↳ MIME (Multipurpose Internet Mail Extensions) Part Three: Message Header Extensions for Non-ASCII Text | 
 | 🔴 |2048	| ↳ Multipurpose Internet Mail Extensions (MIME) Part Four: Registration Procedures | 
 | 🔴 |2049	| ↳ Multipurpose Internet Mail Extensions (MIME) Part Five: Conformance Criteria and Examples |
+| 🔴 |2183  | Communicating Presentation Information in Internet Messages: The Content-Disposition Header Field |
 | 🟩 |6532	| Internationalized Email Headers |
 | 🔴 |9228   | Delivered-To Email Header Field |
 

src/fragments/eager.rs

@@ -65,6 +65,7 @@ impl<'a> TryFrom<&'a Lazy<'a>> for Field<'a> {
             Lazy::ReturnPath(v) => v.try_into().map(|v| ReturnPath(v)),
             Lazy::Optional(k, v) => v.try_into().map(|v| Optional(k, v)),
             Lazy::Rescue(v) => Ok(Rescue(v)),
+            _ => todo!(),
         }
     }
 }

src/fragments/lazy.rs

@@ -40,6 +40,15 @@ pub struct ReceivedLog<'a>(pub &'a str);
 #[derive(Debug, PartialEq)]
 pub struct Path<'a>(pub &'a str);
 
+#[derive(Debug, PartialEq)]
+pub struct Version<'a>(pub &'a str);
+
+#[derive(Debug, PartialEq)]
+pub struct Type<'a>(pub &'a str);
+
+#[derive(Debug, PartialEq)]
+pub struct Mechanism<'a>(pub &'a str);
+
 #[derive(Debug, PartialEq)]
 pub enum Field<'a> {
     // 3.6.1.  The Origination Date Field
@@ -70,6 +79,13 @@ pub enum Field<'a> {
     Received(ReceivedLog<'a>),
     ReturnPath(Mailbox<'a>),
 
+    // MIME RFC 2045
+    MIMEVersion(Version<'a>),
+    ContentType(Type<'a>),
+    ContentTransferEncoding(Mechanism<'a>),
+    ContentID(Identifier<'a>),
+    ContentDescription(Unstructured<'a>),
+
     // 3.6.8.  Optional Fields
     Optional(&'a str, Unstructured<'a>),
 
@@ -128,6 +144,12 @@ fn correct_field(input: &str) -> IResult<&str, Field> {
                 "return-path" => ReturnPath(Mailbox(rest)),
                 "received" => Received(ReceivedLog(rest)),
 
+                "mime-version" => MIMEVersion(Version(rest)),
+                "content-type" => ContentType(Type(rest)),
+                "content-transfer-encoding" => ContentTransferEncoding(Mechanism(rest)),
+                "content-id" => ContentID(Identifier(rest)),
+                "content-description" => ContentDescription(Unstructured(rest)),
+
                 _ => Optional(name, Unstructured(rest)),
             },
         )