Implement the new fields for dynamic block.

src/parser/dynamic_block.rs

@@ -6,20 +6,20 @@ use nom::character::complete::anychar;
 use nom::character::complete::line_ending;
 use nom::character::complete::space0;
 use nom::character::complete::space1;
-use nom::combinator::consumed;
 use nom::combinator::eof;
 use nom::combinator::not;
 use nom::combinator::opt;
 use nom::combinator::peek;
 use nom::combinator::recognize;
-use nom::multi::many0;
 use nom::multi::many_till;
-use nom::sequence::preceded;
 use nom::sequence::tuple;
 
 use super::affiliated_keyword::parse_affiliated_keywords;
+use super::greater_block::leading_blank_lines_end;
 use super::org_source::OrgSource;
+use super::paragraph::empty_paragraph;
 use super::util::maybe_consume_trailing_whitespace_if_not_exiting;
+use crate::context::bind_context;
 use crate::context::parser_with_context;
 use crate::context::ContextElement;
 use crate::context::ExitClass;
@@ -28,7 +28,6 @@ use crate::context::RefContext;
 use crate::error::CustomError;
 use crate::error::Res;
 use crate::parser::element_parser::element;
-use crate::parser::util::blank_line;
 use crate::parser::util::exit_matcher_parser;
 use crate::parser::util::get_consumed;
 use crate::parser::util::immediate_in_section;
@@ -36,7 +35,6 @@ use crate::parser::util::start_of_line;
 use crate::types::DynamicBlock;
 use crate::types::Element;
 use crate::types::Keyword;
-use crate::types::Paragraph;
 
 #[cfg_attr(
     feature = "tracing",
@@ -81,23 +79,25 @@ where
     let element_matcher = parser_with_context!(element(true))(&parser_context);
     let exit_matcher = parser_with_context!(exit_matcher_parser)(&parser_context);
     not(exit_matcher)(remaining)?;
-    let (remaining, leading_blank_lines) = opt(consumed(tuple((
-        blank_line,
-        many0(preceded(not(exit_matcher), blank_line)),
-    ))))(remaining)?;
-    let leading_blank_lines =
-        leading_blank_lines.map(|(source, (first_line, _remaining_lines))| {
-            Element::Paragraph(Paragraph::of_text(source.into(), first_line.into()))
-        });
+    let contents_begin = remaining;
+    let blank_line_context = ContextElement::ExitMatcherNode(ExitMatcherNode {
+        class: ExitClass::Alpha,
+        exit_matcher: &leading_blank_lines_end,
+    });
+    let blank_line_context = parser_context.with_additional_node(&blank_line_context);
+
+    let (remaining, leading_blank_lines) =
+        opt(bind_context!(empty_paragraph, &blank_line_context))(remaining)?;
     let (remaining, (mut children, _exit_contents)) =
         many_till(element_matcher, exit_matcher)(remaining)?;
     if let Some(lines) = leading_blank_lines {
-        children.insert(0, lines);
+        children.insert(0, Element::Paragraph(lines));
     }
+    let contents = get_consumed(contents_begin, remaining);
 
     let (remaining, _end) = dynamic_block_end(&parser_context, remaining)?;
 
-    let (remaining, _trailing_ws) =
+    let (remaining, post_blank) =
         maybe_consume_trailing_whitespace_if_not_exiting(context, remaining)?;
     let source = get_consumed(input, remaining);
     Ok((
@@ -111,6 +111,12 @@ where
             block_name: name.into(),
             parameters: parameters.map(|val| val.into()),
             children,
+            contents: if contents.len() > 0 {
+                Some(Into::<&str>::into(contents))
+            } else {
+                None
+            },
+            post_blank: post_blank.map(Into::<&str>::into),
         },
     ))
 }

src/parser/greater_block.rs

@@ -339,7 +339,7 @@ fn _greater_block_end<'b, 'g, 'r, 's, 'c>(
     feature = "tracing",
     tracing::instrument(ret, level = "debug", skip(_context))
 )]
-fn leading_blank_lines_end<'b, 'g, 'r, 's, 'c>(
+pub(crate) fn leading_blank_lines_end<'b, 'g, 'r, 's, 'c>(
     _context: RefContext<'b, 'g, 'r, 's>,
     input: OrgSource<'s>,
 ) -> Res<OrgSource<'s>, OrgSource<'s>> {

src/types/greater_element.rs

@@ -87,6 +87,8 @@ pub struct DynamicBlock<'s> {
     pub block_name: &'s str,
     pub parameters: Option<&'s str>,
     pub children: Vec<Element<'s>>,
+    pub contents: Option<&'s str>,
+    pub post_blank: Option<&'s str>,
 }
 
 #[derive(Debug)]
@@ -243,11 +245,15 @@ impl<'s> StandardProperties<'s> for DynamicBlock<'s> {
     }
 
     fn get_contents<'b>(&'b self) -> Option<&'s str> {
-        todo!()
+        self.contents
     }
 
     fn get_post_blank(&self) -> PostBlank {
-        todo!()
+        self.post_blank
+            .map(|text| text.lines().count())
+            .unwrap_or(0)
+            .try_into()
+            .expect("Too much post-blank to fit into a PostBlank.")
     }
 }