Update the render context to use the new src block format.

src/context/src_block.rs

@@ -3,6 +3,7 @@ use serde::Serialize;
 use super::render_context::RenderContext;
 use crate::error::CustomError;
 use crate::intermediate::ISrcBlock;
+use crate::intermediate::ISrcSegment;
 
 use super::macros::render;
 
@@ -10,15 +11,51 @@ use super::macros::render;
 #[serde(tag = "type")]
 #[serde(rename = "src_block")]
 pub(crate) struct RenderSrcBlock {
-    lines: Vec<String>,
+    lines: Vec<RenderSrcLine>,
     language: Option<String>,
     post_blank: organic::types::PostBlank,
 }
 
+#[derive(Debug, Serialize)]
+#[serde(tag = "type")]
+#[serde(rename = "src_block")]
+pub(crate) struct RenderSrcLine {
+    children: Vec<RenderSrcSegment>,
+}
+
+#[derive(Debug, Serialize)]
+pub(crate) enum RenderSrcSegment {
+    #[serde(rename = "raw_text")]
+    RawText(String),
+
+    #[serde(rename = "highlight_start")]
+    HighlightStart { name: String },
+
+    #[serde(rename = "highlight_end")]
+    HighlightEnd,
+}
+
 render!(RenderSrcBlock, ISrcBlock, original, _render_context, {
+    let lines = original
+        .lines
+        .iter()
+        .map(|original_line| {
+            let children = original_line
+                .children
+                .iter()
+                .map(|original_segment| match original_segment {
+                    ISrcSegment::RawText(body) => RenderSrcSegment::RawText(body.to_owned()),
+                    ISrcSegment::HighlightStart { name } => RenderSrcSegment::HighlightStart {
+                        name: name.to_owned(),
+                    },
+                    ISrcSegment::HighlightEnd => RenderSrcSegment::HighlightEnd,
+                })
+                .collect();
+            RenderSrcLine { children }
+        })
+        .collect();
     Ok(RenderSrcBlock {
-        // lines: original.lines.clone(),
-        lines: Vec::new(),
+        lines,
         language: original.language.clone(),
         post_blank: original.post_blank,
     })