Create structure for line breaks.

src/parser/line_break.rs

@@ -0,0 +1,13 @@
+use super::Context;
+use crate::error::Res;
+use crate::parser::util::not_yet_implemented;
+use crate::parser::CitationReference;
+
+#[tracing::instrument(ret, level = "debug")]
+pub fn citation_reference<'r, 's>(
+    context: Context<'r, 's>,
+    input: &'s str,
+) -> Res<&'s str, CitationReference<'s>> {
+    not_yet_implemented()?;
+    todo!()
+}

src/parser/mod.rs

@@ -25,6 +25,7 @@ mod latex_environment;
 mod latex_fragment;
 mod lesser_block;
 mod lesser_element;
+mod line_break;
 mod list;
 mod object;
 mod object_parser;
@@ -87,6 +88,7 @@ pub use object::InlineBabelCall;
 pub use object::InlineSourceBlock;
 pub use object::Italic;
 pub use object::LatexFragment;
+pub use object::LineBreak;
 pub use object::Object;
 pub use object::OrgMacro;
 pub use object::PlainLink;

src/parser/object.rs

@@ -23,6 +23,7 @@ pub enum Object<'s> {
     CitationReference(CitationReference<'s>),
     InlineBabelCall(InlineBabelCall<'s>),
     InlineSourceBlock(InlineSourceBlock<'s>),
+    LineBreak(LineBreak<'s>),
 }
 
 #[derive(Debug, PartialEq)]
@@ -149,6 +150,11 @@ pub struct InlineSourceBlock<'s> {
     pub source: &'s str,
 }
 
+#[derive(Debug, PartialEq)]
+pub struct LineBreak<'s> {
+    pub source: &'s str,
+}
+
 impl<'s> Source<'s> for Object<'s> {
     fn get_source(&'s self) -> &'s str {
         match self {
@@ -173,6 +179,7 @@ impl<'s> Source<'s> for Object<'s> {
             Object::CitationReference(obj) => obj.source,
             Object::InlineBabelCall(obj) => obj.source,
             Object::InlineSourceBlock(obj) => obj.source,
+            Object::LineBreak(obj) => obj.source,
         }
     }
 }
@@ -296,3 +303,9 @@ impl<'s> Source<'s> for InlineSourceBlock<'s> {
         self.source
     }
 }
+
+impl<'s> Source<'s> for LineBreak<'s> {
+    fn get_source(&'s self) -> &'s str {
+        self.source
+    }
+}

src/parser/token.rs

@@ -62,6 +62,7 @@ impl<'r, 's> Token<'r, 's> {
                 Object::CitationReference(_) => Box::new(std::iter::empty()), // TODO: Iterate over children
                 Object::InlineBabelCall(_) => Box::new(std::iter::empty()),
                 Object::InlineSourceBlock(_) => Box::new(std::iter::empty()),
+                Object::LineBreak(_) => Box::new(std::iter::empty()),
             },
             Token::Element(elem) => match elem {
                 Element::Paragraph(inner) => Box::new(inner.children.iter().map(Token::Object)),