Merge branch 'trailing_whitespace_at_end_of_file'

org_mode_samples/greater_element/plain_list/trailing_whitespace_eof.org

@@ -0,0 +1,2 @@
+- foo
+

src/parser/plain_list.rs

@@ -69,6 +69,7 @@ pub fn plain_list<'r, 's>(
 ) -> Res<OrgSource<'s>, PlainList<'s>> {
     let parser_context = context
         .with_additional_node(ContextElement::Context("plain list"))
+        .with_additional_node(ContextElement::ConsumeTrailingWhitespace(true))
         .with_additional_node(ContextElement::ExitMatcherNode(ExitMatcherNode {
             class: ExitClass::Beta,
             exit_matcher: &plain_list_end,
@@ -143,29 +144,32 @@ pub fn plain_list_item<'r, 's>(
         Into::<&str>::into(bull) != "*" || indent_level > 0
     })(remaining)?;
 
-    let maybe_contentless_item: Res<OrgSource<'_>, OrgSource<'_>> = eof(remaining);
+    let (remaining, maybe_tag) = opt(tuple((
+        space1,
+        parser_with_context!(item_tag)(context),
+        tag(" ::"),
+    )))(remaining)?;
+    let maybe_contentless_item: Res<OrgSource<'_>, OrgSource<'_>> =
+        peek(recognize(tuple((many0(blank_line), eof))))(remaining);
     match maybe_contentless_item {
-        Ok((rem, _ws)) => {
-            let source = get_consumed(input, rem);
+        Ok((_rem, _ws)) => {
+            let (remaining, _trailing_ws) = opt(blank_line)(remaining)?;
+            let source = get_consumed(input, remaining);
             return Ok((
-                rem,
+                remaining,
                 PlainListItem {
                     source: source.into(),
                     indentation: indent_level,
                     bullet: bull.into(),
-                    tag: Vec::new(),
+                    tag: maybe_tag
+                        .map(|(_ws, item_tag, _divider)| item_tag)
+                        .unwrap_or(Vec::new()),
                     children: Vec::new(),
                 },
             ));
         }
         Err(_) => {}
     };
-
-    let (remaining, maybe_tag) = opt(tuple((
-        space1,
-        parser_with_context!(item_tag)(context),
-        tag(" ::"),
-    )))(remaining)?;
     let (remaining, _ws) = item_tag_post_gap(context, remaining)?;
     let exit_matcher = plain_list_item_end(indent_level);
     let parser_context = context
@@ -175,14 +179,24 @@ pub fn plain_list_item<'r, 's>(
             exit_matcher: &exit_matcher,
         }));
 
-    let (remaining, (children, _exit_contents)) = many_till(
-        parser_with_context!(element(true))(&parser_context),
-        alt((
-            peek(recognize(tuple((start_of_line, many0(blank_line), eof)))),
+    let (mut remaining, (mut children, _exit_contents)) = many_till(
+        include_input(parser_with_context!(element(true))(&parser_context)),
         parser_with_context!(exit_matcher_parser)(&parser_context),
-        )),
     )(remaining)?;
 
+    if !children.is_empty() && !context.should_consume_trailing_whitespace() {
+        let final_item_context =
+            parser_context.with_additional_node(ContextElement::ConsumeTrailingWhitespace(false));
+        let (final_child_start, _original_final_child) = children
+            .pop()
+            .expect("if-statement already checked that children was non-empty.");
+        let (remain, reparsed_final_element) = include_input(parser_with_context!(element(true))(
+            &final_item_context,
+        ))(final_child_start)?;
+        remaining = remain;
+        children.push(reparsed_final_element);
+    }
+
     let (remaining, _trailing_ws) =
         maybe_consume_trailing_whitespace_if_not_exiting(context, remaining)?;
 
@@ -196,11 +210,23 @@ pub fn plain_list_item<'r, 's>(
             tag: maybe_tag
                 .map(|(_ws, item_tag, _divider)| item_tag)
                 .unwrap_or(Vec::new()),
-            children,
+            children: children.into_iter().map(|(_start, item)| item).collect(),
         },
     ));
 }
 
+fn include_input<'s, F, O>(
+    mut inner: F,
+) -> impl FnMut(OrgSource<'s>) -> Res<OrgSource<'s>, (OrgSource<'s>, O)>
+where
+    F: FnMut(OrgSource<'s>) -> Res<OrgSource<'s>, O>,
+{
+    move |input: OrgSource<'_>| {
+        let (remaining, output) = inner(input)?;
+        Ok((remaining, (input, output)))
+    }
+}
+
 #[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
 fn bullet<'s>(i: OrgSource<'s>) -> Res<OrgSource<'s>, OrgSource<'s>> {
     alt((