Removed the enum and made plain src blocks just highlighted src blocks with only plain text in them.

src/intermediate/src_block.rs

@@ -10,20 +10,7 @@ use tree_sitter_highlight::HighlightEvent;
 use tree_sitter_highlight::Highlighter;
 
 #[derive(Debug, Clone)]
-pub(crate) enum ISrcBlock {
-    Plain(PlainSrcBlock),
-    Highlighted(HighlightedSrcBlock),
-}
-
-#[derive(Debug, Clone)]
-pub(crate) struct PlainSrcBlock {
-    pub(crate) lines: Vec<String>,
-    pub(crate) language: Option<String>,
-    pub(crate) post_blank: organic::types::PostBlank,
-}
-
-#[derive(Debug, Clone)]
-pub(crate) struct HighlightedSrcBlock {
+pub(crate) struct ISrcBlock {
     pub(crate) lines: Vec<HighlightedSrcLine>,
     pub(crate) language: Option<String>,
     pub(crate) post_blank: organic::types::PostBlank,
@@ -96,16 +83,21 @@ intermediate!(
             Some("nix") => {
                 let highlighted = highlight_nix(&lines);
                 if let Ok(highlighted) = highlighted {
-                    // return the other type
+                    return Ok(ISrcBlock {
+                        lines: highlighted,
+                        language,
+                        post_blank: original.get_post_blank(),
+                    });
                 }
             }
             _ => {}
         };
-        Ok(ISrcBlock::Plain(PlainSrcBlock {
-            lines,
+        let highlighted = highlight_plain(&lines)?;
+        Ok(ISrcBlock {
+            lines: highlighted,
             language,
             post_blank: original.get_post_blank(),
-        }))
+        })
     }
 );
 
@@ -127,6 +119,20 @@ fn ascii_whitespace_value(c: char) -> usize {
     }
 }
 
+fn highlight_plain<L>(lines: &[L]) -> Result<Vec<HighlightedSrcLine>, CustomError>
+where
+    std::string::String: for<'a> From<&'a L>,
+{
+    Ok(lines
+        .into_iter()
+        .map(|l| {
+            let mut line = HighlightedSrcLine::new();
+            line.children.push(HighlightedSrcSegment::RawText(l.into()));
+            line
+        })
+        .collect())
+}
+
 fn highlight_nix<L>(lines: &[L]) -> Result<Vec<HighlightedSrcLine>, CustomError>
 where
     L: Borrow<str>,