Read affiliated keywords.

src/parser/element_parser.rs

@@ -16,24 +16,32 @@ use super::lesser_block::src_block;
 use super::lesser_block::verse_block;
 use super::paragraph::paragraph;
 use super::plain_list::plain_list;
+use super::util::start_of_line;
 use super::Context;
 use crate::error::Res;
 use crate::parser::parser_with_context::parser_with_context;
 use crate::parser::table::org_mode_table;
 use nom::branch::alt;
 use nom::combinator::map;
+use nom::multi::many0;
 
 #[tracing::instrument(ret, level = "debug")]
 pub fn element<'r, 's>(context: Context<'r, 's>, input: &'s str) -> Res<&'s str, Element<'s>> {
     let non_paragraph_matcher = parser_with_context!(non_paragraph_element)(context);
-    let paragraph_matcher = parser_with_context!(paragraph)(context);
+    let paragraph_matcher = parser_with_context!(paragraph_element)(context);
 
-    alt((
+    alt((non_paragraph_matcher, paragraph_matcher))(input)
-        non_paragraph_matcher,
-        map(paragraph_matcher, Element::Paragraph),
-    ))(input)
 }
 
+pub fn paragraph_element<'r, 's>(
+    context: Context<'r, 's>,
+    input: &'s str,
+) -> Res<&'s str, Element<'s>> {
+    let paragraph_matcher = parser_with_context!(paragraph)(context);
+    let keyword_matcher = parser_with_context!(keyword)(context);
+    let (remaining, affiliated_keywords) = many0(keyword_matcher)(input)?;
+    map(paragraph_matcher, Element::Paragraph)(remaining)
+}
 pub fn non_paragraph_element<'r, 's>(
     context: Context<'r, 's>,
     input: &'s str,
@@ -55,7 +63,8 @@ pub fn non_paragraph_element<'r, 's>(
     let fixed_width_area_matcher = parser_with_context!(fixed_width_area)(context);
     let horizontal_rule_matcher = parser_with_context!(horizontal_rule)(context);
     let keyword_matcher = parser_with_context!(keyword)(context);
-    alt((
+    let (remaining, mut affiliated_keywords) = many0(keyword_matcher)(input)?;
+    let (remaining, element) = match alt((
         map(plain_list_matcher, Element::PlainList),
         map(greater_block_matcher, Element::GreaterBlock),
         map(dynamic_block_matcher, Element::DynamicBlock),
@@ -72,6 +81,13 @@ pub fn non_paragraph_element<'r, 's>(
         map(diary_sexp_matcher, Element::DiarySexp),
         map(fixed_width_area_matcher, Element::FixedWidthArea),
         map(horizontal_rule_matcher, Element::HorizontalRule),
-        map(keyword_matcher, Element::Keyword),
+    ))(remaining)
-    ))(input)
+    {
+        the_ok @ Ok(_) => the_ok,
+        Err(_) => {
+            affiliated_keywords.clear();
+            map(keyword_matcher, Element::Keyword)(input)
+        }
+    }?;
+    Ok((remaining, element))
 }