move boundary to text

src/header.rs

@@ -3,12 +3,13 @@ use nom::{
     branch::alt,
     bytes::complete::{tag_no_case, tag, take_while1},
     character::complete::space0,
-    combinator::map,
+    combinator::{not, map},
     multi::many0,
-    sequence::{pair, terminated, tuple},
+    sequence::{pair, preceded, terminated, tuple},
 };
 use crate::text::whitespace::{foldable_line, obs_crlf};
 use crate::text::misc_token::{Unstructured, unstructured};
+use crate::text::boundary::boundary;
 
 #[derive(Debug, PartialEq)]
 pub enum CompField<'a, T> {
@@ -38,6 +39,18 @@ pub fn header<'a, T>(fx: impl Fn(&'a [u8]) -> IResult<&[u8], T> + Copy)
     ))), obs_crlf), CompFieldList)(input)
 }
 
+pub fn header_in_boundaries<'a, T>(bound: &'a [u8], fx: impl Fn(&'a [u8]) -> IResult<&[u8], T> + Copy) 
+    -> impl Fn(&'a [u8]) -> IResult<&[u8], CompFieldList<T>>
+{
+    move |input| map(terminated(many0(preceded(
+        not(boundary(bound)),
+        alt((
+            map(fx, CompField::Known),
+            map(opt_field, |(k,v)| CompField::Unknown(k,v)),
+            map(foldable_line, CompField::Bad),
+        )))), obs_crlf), CompFieldList)(input)
+}
+
 pub fn field_name<'a>(name: &'static [u8]) -> impl Fn(&'a [u8]) -> IResult<&'a [u8], &'a [u8]> {
     move |input| {
         terminated(

src/mime/field.rs

@@ -50,7 +50,7 @@ mod tests {
         if let Content::Type(nt) = content {
             assert_eq!(
                 nt.to_type(),
-                Type::Text(TextDesc {
+                Type::Text(Text {
                     charset: EmailCharset::UTF_8,
                     subtype: TextSubtype::Plain,
                 }),

src/part/part.rs

@@ -7,51 +7,49 @@ use nom::{
     combinator::{not, opt, recognize},
 };
 
+use crate::mime::r#type;
 
-pub struct Part<'a, T> {
-
+pub struct Part<'a> {
+    Multipart(r#type::Multipart, Vec<Part<'a>>),
+    Message(r#type::Message, Message, Part<'a>),
+    Text(r#type::Text, &'a [u8]),
+    Binary(&'a [u8]),
 }
 
-impl<'a> Part<'a, r#type::Text<'a>> {
-
+pub fn message() -> IResult<&[u8], Part> {
 }
 
-
-
-#[derive(Debug, PartialEq)]
-pub enum PartNodeLazy<'a>{
-    Discrete(MIMESection<'a>, &'a [u8]),
-    Composite(MIMESection<'a>, &'a [u8]),
-}
-
-#[derive(Debug, PartialEq)]
-pub enum PartNode<'a> {
-    Discrete(MIMESection<'a>, &'a [u8]),
-    Composite(MIMESection<'a>, Vec<PartNode<'a>>),
-}
-
-#[derive(Debug, PartialEq)]
-pub enum Delimiter {
-    Next,
-    Last
-}
-
-const IS_LAST_BUFFER: bool = true;
-const ALLOW_UTF8: bool = true;
-const NO_TLD: Option<&[u8]> = None;
-fn part_node_lazy(input: &[u8]) -> IResult<&[u8], PartNodeLazy> {
-    //let mime = header.iter().map(|e| eager::MIMEField::from(lazy::MIMEField::from(e)));
-    todo!();
-}
-
-pub fn boundary<'a>(boundary: &'a [u8]) -> impl Fn(&'a [u8]) -> IResult<&'a [u8], Delimiter> {
+pub fn multipart<'a>(ctype: Type) -> impl Fn(&'a [u8]) -> IResult<&'a [u8], Part<'a>> {
     move |input: &[u8]| {
-        let (rest, (_, _, _, last, _)) = tuple((obs_crlf, tag(b"--"), tag(boundary), opt(tag(b"--")), opt(obs_crlf)))(input)?;
-        match last {
-            Some(_) => Ok((rest, Delimiter::Last)),
-            None => Ok((rest, Delimiter::Next)),
+        let (mut input_loop, _) = preamble(ctype.boundary)(input)?;
+        let mut parts: Vec<Part> = vec![];
+        loop {
+            let input = match boundary(ctype.boundary)(input_loop) {
+                Err(_) => return Ok((input_loop, parts)),
+                Ok((inp, Delimiter::Last)) => return Ok((inp, Part::Multipart(ctype, parts))),
+                Ok((inp, Delimiter::Next)) => inp,
+            };
+
+            // parse mime headers
+            header(content)(input)?;
+
+            // based on headers, parse part
+
+            let input = match part(bound)(input) {
+                Err(_) => return Ok((input, parts)),
+                Ok((inp, part)) => {
+                    parts.push(part);
+                    inp
+                }
+            };
+
+            input_loop = input;
         }
     }
+
+}
+
+pub fn discrete() -> IResult<&[u8], Part> {
 }
 
 pub fn part<'a>(bound: &'a [u8]) -> impl Fn(&'a [u8]) -> IResult<&'a [u8], &'a [u8]> {
@@ -105,22 +103,6 @@ pub fn multipart<'a>(bound: &'a [u8]) -> impl Fn(&'a [u8]) -> IResult<&'a [u8],
 mod tests {
     use super::*;
 
-    #[test]
-    fn test_boundary_next() {
-        assert_eq!(
-            boundary(b"hello")(b"\r\n--hello\r\n"),
-            Ok((&b""[..], Delimiter::Next))
-        );
-    }
-
-    #[test]
-    fn test_boundary_last() {
-        assert_eq!(
-            boundary(b"hello")(b"\r\n--hello--\r\n"),
-            Ok((&b""[..], Delimiter::Last))
-        );
-    }
-
     #[test]
     fn test_preamble() {
         assert_eq!(

src/text/boundary.rs

@@ -0,0 +1,45 @@
+use nom::{
+    IResult,
+    bytes::complete::tag,
+    sequence::tuple,
+    combinator::opt,
+};
+
+use crate::text::whitespace::obs_crlf;
+
+#[derive(Debug, PartialEq)]
+pub enum Delimiter {
+    Next,
+    Last
+}
+
+pub fn boundary<'a>(boundary: &'a [u8]) -> impl Fn(&'a [u8]) -> IResult<&'a [u8], Delimiter> {
+    move |input: &[u8]| {
+        let (rest, (_, _, _, last, _)) = tuple((opt(obs_crlf), tag(b"--"), tag(boundary), opt(tag(b"--")), opt(obs_crlf)))(input)?;
+        match last {
+            Some(_) => Ok((rest, Delimiter::Last)),
+            None => Ok((rest, Delimiter::Next)),
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_boundary_next() {
+        assert_eq!(
+            boundary(b"hello")(b"\r\n--hello\r\n"),
+            Ok((&b""[..], Delimiter::Next))
+        );
+    }
+
+    #[test]
+    fn test_boundary_last() {
+        assert_eq!(
+            boundary(b"hello")(b"\r\n--hello--\r\n"),
+            Ok((&b""[..], Delimiter::Last))
+        );
+    }
+}

src/text/mod.rs

@@ -4,3 +4,4 @@ pub mod misc_token;
 pub mod quoted;
 pub mod whitespace;
 pub mod words;
+pub mod boundary;