Switch to putting radio targets in the global settings instead of the context tree.

src/context/global_settings.rs

@@ -1,16 +1,19 @@
-#[derive(Debug)]
-pub struct GlobalSettings<'s> {
-    #[allow(dead_code)]
-    placeholder: Option<&'s str>,
+use crate::types::Object;
+
+#[derive(Debug, Clone)]
+pub struct GlobalSettings<'g, 's> {
+    pub radio_targets: Vec<&'g Vec<Object<'s>>>,
 }
 
-impl<'s> GlobalSettings<'s> {
+impl<'g, 's> GlobalSettings<'g, 's> {
     pub fn new() -> Self {
-        GlobalSettings { placeholder: None }
+        GlobalSettings {
+            radio_targets: Vec::new(),
+        }
     }
 }
 
-impl<'s> Default for GlobalSettings<'s> {
+impl<'g, 's> Default for GlobalSettings<'g, 's> {
     fn default() -> Self {
         GlobalSettings::new()
     }

src/context/parser_context.rs

@@ -1,3 +1,5 @@
+use std::marker::PhantomData;
+
 use nom::combinator::eof;
 use nom::IResult;
 
@@ -10,7 +12,6 @@ use crate::error::CustomError;
 use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::OrgSource;
-use crate::types::Object;
 
 #[derive(Debug)]
 pub enum ContextElement<'r, 's> {
@@ -23,12 +24,8 @@ pub enum ContextElement<'r, 's> {
     /// Indicates if elements should consume the whitespace after them.
     ConsumeTrailingWhitespace(bool),
 
-    /// The contents of a radio target.
-    ///
-    /// If any are found, this will force a 2nd parse through the
-    /// org-mode document since text needs to be re-parsed to look for
-    /// radio links matching the contents of radio targets.
-    RadioTarget(Vec<&'r Vec<Object<'s>>>),
+    /// This is just here to use the 's lifetime until I'm sure we can eliminate it from ContextElement.
+    Placeholder(PhantomData<&'s str>),
 }
 
 pub struct ExitMatcherNode<'r> {
@@ -47,13 +44,13 @@ impl<'r> std::fmt::Debug for ExitMatcherNode<'r> {
 
 #[derive(Debug)]
 pub struct Context<'g, 'r, 's> {
-    global_settings: &'g GlobalSettings<'g>,
+    global_settings: &'g GlobalSettings<'g, 's>,
     tree: List<'r, &'r ContextElement<'r, 's>>,
 }
 
 impl<'g, 'r, 's> Context<'g, 'r, 's> {
     pub fn new(
-        global_settings: &'g GlobalSettings<'g>,
+        global_settings: &'g GlobalSettings<'g, 's>,
         tree: List<'r, &'r ContextElement<'r, 's>>,
     ) -> Self {
         Self {
@@ -89,6 +86,17 @@ impl<'g, 'r, 's> Context<'g, 'r, 's> {
         self.tree.get_data()
     }
 
+    pub fn get_global_settings(&self) -> &'g GlobalSettings<'g, 's> {
+        self.global_settings
+    }
+
+    pub fn with_global_settings<'gg>(&self, new_settings: &'gg GlobalSettings<'gg, 's>) -> Context<'gg, 'r, 's> {
+        Context {
+            global_settings: new_settings,
+            tree: self.tree.clone(),
+        }
+    }
+
     #[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
     pub fn check_exit_matcher(
         &'r self,
@@ -145,7 +153,7 @@ fn document_end<'b, 'g, 'r, 's>(
 }
 
 pub struct Iter<'g, 'r, 's> {
-    global_settings: &'g GlobalSettings<'g>,
+    global_settings: &'g GlobalSettings<'g, 's>,
     next: super::list::IterList<'r, &'r ContextElement<'r, 's>>,
 }
 

src/parser/document.rs

@@ -95,8 +95,9 @@ fn document_org_source<'b, 'g, 'r, 's>(
             .map(|rt| &rt.children)
             .collect();
         if !all_radio_targets.is_empty() {
-            let parser_context = ContextElement::RadioTarget(all_radio_targets);
-            let parser_context = context.with_additional_node(&parser_context);
+            let mut new_global_settings = context.get_global_settings().clone();
+            new_global_settings.radio_targets = all_radio_targets;
+            let parser_context = context.with_global_settings(&new_global_settings);
             let (remaining, document) = _document(&parser_context, input)
                 .map(|(rem, out)| (Into::<&str>::into(rem), out))?;
             return Ok((remaining.into(), document));

src/parser/radio_link.rs

@@ -27,14 +27,7 @@ pub fn radio_link<'b, 'g, 'r, 's>(
     context: RefContext<'b, 'g, 'r, 's>,
     input: OrgSource<'s>,
 ) -> Res<OrgSource<'s>, RadioLink<'s>> {
-    let radio_targets = context
-        .iter()
-        .filter_map(|context_element| match context_element {
-            ContextElement::RadioTarget(targets) => Some(targets),
-            _ => None,
-        })
-        .flatten();
-    for radio_target in radio_targets {
+    for radio_target in &context.get_global_settings().radio_targets {
         let rematched_target = rematch_target(context, radio_target, input);
         if let Ok((remaining, rematched_target)) = rematched_target {
             let (remaining, _) = space0(remaining)?;
@@ -149,12 +142,14 @@ mod tests {
     fn plain_text_radio_target() {
         let input = OrgSource::new("foo bar baz");
         let radio_target_match = vec![Object::PlainText(PlainText { source: "bar" })];
-        let global_settings = GlobalSettings::default();
+        let global_settings = {
+            let mut global_settings = GlobalSettings::default();
+            global_settings.radio_targets = vec![&radio_target_match];
+            global_settings
+        };
         let initial_context = ContextElement::document_context();
         let initial_context = Context::new(&global_settings, List::new(&initial_context));
-        let document_context = ContextElement::RadioTarget(vec![&radio_target_match]);
-        let document_context = initial_context.with_additional_node(&document_context);
-        let paragraph_matcher = parser_with_context!(element(true))(&document_context);
+        let paragraph_matcher = parser_with_context!(element(true))(&initial_context);
         let (remaining, first_paragraph) = paragraph_matcher(input).expect("Parse first paragraph");
         let first_paragraph = match first_paragraph {
             Element::Paragraph(paragraph) => paragraph,
@@ -182,12 +177,14 @@ mod tests {
             source: "*bar*",
             children: vec![Object::PlainText(PlainText { source: "bar" })],
         })];
-        let global_settings = GlobalSettings::default();
+        let global_settings = {
+            let mut global_settings = GlobalSettings::default();
+            global_settings.radio_targets = vec![&radio_target_match];
+            global_settings
+        };
         let initial_context = ContextElement::document_context();
         let initial_context = Context::new(&global_settings, List::new(&initial_context));
-        let document_context = ContextElement::RadioTarget(vec![&radio_target_match]);
-        let document_context = initial_context.with_additional_node(&document_context);
-        let paragraph_matcher = parser_with_context!(element(true))(&document_context);
+        let paragraph_matcher = parser_with_context!(element(true))(&initial_context);
         let (remaining, first_paragraph) =
             paragraph_matcher(input.into()).expect("Parse first paragraph");
         let first_paragraph = match first_paragraph {