Code structure for fixed width area.

org_mode_samples/fixed_width_area/indented.org

@@ -0,0 +1,8 @@
+: Fixed width area
+  : indented line
+:        At the top of the file
+
+
+
+foo
+: Another fixed width area

src/compare/diff.rs

@@ -12,6 +12,7 @@ use crate::parser::DynamicBlock;
 use crate::parser::Element;
 use crate::parser::ExampleBlock;
 use crate::parser::ExportBlock;
+use crate::parser::FixedWidthArea;
 use crate::parser::FootnoteDefinition;
 use crate::parser::GreaterBlock;
 use crate::parser::Heading;
@@ -219,6 +220,7 @@ fn compare_element<'s>(
         Element::Clock(obj) => compare_clock(source, emacs, obj),
         Element::DiarySexp(obj) => compare_diary_sexp(source, emacs, obj),
         Element::Planning(obj) => compare_planning(source, emacs, obj),
+        Element::FixedWidthArea(obj) => compare_fixed_width_area(source, emacs, obj),
     }
 }
 
@@ -752,3 +754,27 @@ fn compare_planning<'s>(
         children: Vec::new(),
     })
 }
+
+fn compare_fixed_width_area<'s>(
+    source: &'s str,
+    emacs: &'s Token<'s>,
+    rust: &'s FixedWidthArea<'s>,
+) -> Result<DiffResult, Box<dyn std::error::Error>> {
+    let child_status = Vec::new();
+    let mut this_status = DiffStatus::Good;
+    let emacs_name = "fixed-width";
+    if assert_name(emacs, emacs_name).is_err() {
+        this_status = DiffStatus::Bad;
+    }
+
+    if assert_bounds(source, emacs, rust).is_err() {
+        this_status = DiffStatus::Bad;
+    }
+
+    Ok(DiffResult {
+        status: this_status,
+        name: emacs_name.to_owned(),
+        message: None,
+        children: child_status,
+    })
+}

src/parser/element.rs

@@ -10,6 +10,7 @@ use super::lesser_element::CommentBlock;
 use super::lesser_element::DiarySexp;
 use super::lesser_element::ExampleBlock;
 use super::lesser_element::ExportBlock;
+use super::lesser_element::FixedWidthArea;
 use super::lesser_element::Paragraph;
 use super::lesser_element::Planning;
 use super::lesser_element::SrcBlock;
@@ -36,6 +37,7 @@ pub enum Element<'s> {
     Clock(Clock<'s>),
     DiarySexp(DiarySexp<'s>),
     Planning(Planning<'s>),
+    FixedWidthArea(FixedWidthArea<'s>),
 }
 
 impl<'s> Source<'s> for Element<'s> {
@@ -58,6 +60,7 @@ impl<'s> Source<'s> for Element<'s> {
             Element::Clock(obj) => obj.source,
             Element::DiarySexp(obj) => obj.source,
             Element::Planning(obj) => obj.source,
+            Element::FixedWidthArea(obj) => obj.source,
         }
     }
 }

src/parser/element_parser.rs

@@ -4,6 +4,7 @@ use super::diary_sexp::diary_sexp;
 use super::drawer::drawer;
 use super::dynamic_block::dynamic_block;
 use super::element::Element;
+use super::fixed_width_area::fixed_width_area;
 use super::footnote_definition::footnote_definition;
 use super::greater_block::greater_block;
 use super::lesser_block::comment_block;
@@ -49,6 +50,7 @@ pub fn non_paragraph_element<'r, 's>(
     let src_block_matcher = parser_with_context!(src_block)(context);
     let clock_matcher = parser_with_context!(clock)(context);
     let diary_sexp_matcher = parser_with_context!(diary_sexp)(context);
+    let fixed_width_area_matcher = parser_with_context!(fixed_width_area)(context);
     alt((
         map(plain_list_matcher, Element::PlainList),
         map(greater_block_matcher, Element::GreaterBlock),
@@ -64,5 +66,6 @@ pub fn non_paragraph_element<'r, 's>(
         map(src_block_matcher, Element::SrcBlock),
         map(clock_matcher, Element::Clock),
         map(diary_sexp_matcher, Element::DiarySexp),
+        map(fixed_width_area_matcher, Element::FixedWidthArea),
     ))(input)
 }

src/parser/fixed_width_area.rs

@@ -0,0 +1,11 @@
+use super::Context;
+use crate::error::Res;
+use crate::parser::FixedWidthArea;
+
+#[tracing::instrument(ret, level = "debug")]
+pub fn fixed_width_area<'r, 's>(
+    context: Context<'r, 's>,
+    input: &'s str,
+) -> Res<&'s str, FixedWidthArea<'s>> {
+    todo!()
+}

src/parser/lesser_element.rs

@@ -74,6 +74,11 @@ pub struct Planning<'s> {
     pub source: &'s str,
 }
 
+#[derive(Debug)]
+pub struct FixedWidthArea<'s> {
+    pub source: &'s str,
+}
+
 impl<'s> Paragraph<'s> {
     pub fn of_text(input: &'s str) -> Self {
         let mut objects = Vec::with_capacity(1);
@@ -146,3 +151,9 @@ impl<'s> Source<'s> for Planning<'s> {
         self.source
     }
 }
+
+impl<'s> Source<'s> for FixedWidthArea<'s> {
+    fn get_source(&'s self) -> &'s str {
+        self.source
+    }
+}

src/parser/mod.rs

@@ -7,6 +7,7 @@ mod dynamic_block;
 mod element;
 mod element_parser;
 mod exiting;
+mod fixed_width_area;
 mod footnote_definition;
 mod greater_block;
 mod greater_element;
@@ -47,6 +48,7 @@ pub use lesser_element::CommentBlock;
 pub use lesser_element::DiarySexp;
 pub use lesser_element::ExampleBlock;
 pub use lesser_element::ExportBlock;
+pub use lesser_element::FixedWidthArea;
 pub use lesser_element::Paragraph;
 pub use lesser_element::Planning;
 pub use lesser_element::SrcBlock;