Continued work on item parser.

Still needs to:

1. Do context things
2. Fix the double-space after the tag separator issue
3. Add support for indentation
4. Write item_end
5. Write plain_list

src/parser/plain_list.rs

@@ -17,6 +17,7 @@ use super::text::space;
 use super::text::text_element;
 use super::token::ListItem;
 use super::token::PlainList;
+use super::token::Token;
 use super::Context;
 
 pub fn plain_list<'r, 's>(context: Context<'r, 's>, i: &'s str) -> Res<&'s str, PlainList<'s>> {
@@ -25,16 +26,33 @@ pub fn plain_list<'r, 's>(context: Context<'r, 's>, i: &'s str) -> Res<&'s str,
 }
 
 fn item<'r, 's>(context: Context<'r, 's>, i: &'s str) -> Res<&'s str, ListItem<'s>> {
-    let _ = consumed(tuple((
+    let (remaining, (source, (bul, count, check, tg, sp, (contents, end)))) = consumed(tuple((
         bullet,
         opt(tuple((space, counter_set))),
         opt(tuple((space, check_box))),
         opt(tuple((space, item_tag))),
         space,
+        // TODO: This context should probably be something involving the item
         context_many_till(context, text_element, item_end),
     )))(i)?;
-    // todo
-    todo!()
+
+    let elements = contents
+        .into_iter()
+        .filter_map(|token| match token {
+            Token::TextElement(text_element) => Some(text_element),
+            Token::Paragraph(_) => panic!("There should only be text elements in items."),
+        })
+        .collect();
+
+    let ret = ListItem {
+        source,
+        bullet: bul,
+        counter_set: count.map(|(_spc, count)| count),
+        check_box: check.map(|(_spc, check)| check),
+        item_tag: tg.map(|(_spc, tg)| tg),
+        contents: elements,
+    };
+    Ok((remaining, ret))
 }
 
 fn counter<'s>(i: &'s str) -> Res<&'s str, &'s str> {

src/parser/token.rs

@@ -111,9 +111,9 @@ impl<'a> Source<'a> for PlainList<'a> {
 pub struct ListItem<'a> {
     pub source: &'a str,
     pub bullet: &'a str,
-    pub counter_set: &'a str,
-    pub check_box: &'a str,
-    pub item_tag: &'a str,
+    pub counter_set: Option<&'a str>,
+    pub check_box: Option<&'a str>,
+    pub item_tag: Option<&'a str>,
     pub contents: Vec<TextElement<'a>>,
 }