Render the table groups.

src/context/mod.rs

@@ -59,6 +59,7 @@ mod subscript;
 mod superscript;
 mod table;
 mod table_cell;
+mod table_group;
 mod table_row;
 mod target;
 mod timestamp;

src/context/table.rs

@@ -1,8 +1,10 @@
 use serde::Serialize;
 
 use super::render_context::RenderContext;
+use super::table_group::RenderTableGroup;
 use crate::error::CustomError;
 use crate::intermediate::ITable;
+use crate::intermediate::ITableGroup;
 
 use super::macros::render;
 use super::table_row::RenderTableRow;
@@ -11,15 +13,29 @@ use super::table_row::RenderTableRow;
 #[serde(tag = "type")]
 #[serde(rename = "table")]
 pub(crate) struct RenderTable {
-    children: Vec<RenderTableRow>,
+    children: Vec<RenderTableGroup>,
     post_blank: organic::types::PostBlank,
 }
 
 render!(RenderTable, ITable, original, render_context, {
     let children = {
         let mut ret = Vec::new();
-        for obj in original.children.iter() {
-            ret.push(RenderTableRow::new(render_context.clone(), obj)?);
+        for group in original.children.iter() {
+            let mut rows = Vec::new();
+            match group {
+                ITableGroup::Head(irows) => {
+                    for obj in irows {
+                        rows.push(RenderTableRow::new(render_context.clone(), obj)?);
+                    }
+                    ret.push(RenderTableGroup::Head { children: rows });
+                }
+                ITableGroup::Body(irows) => {
+                    for obj in irows {
+                        rows.push(RenderTableRow::new(render_context.clone(), obj)?);
+                    }
+                    ret.push(RenderTableGroup::Body { children: rows });
+                }
+            }
         }
         ret
     };

src/context/table_group.rs

@@ -0,0 +1,12 @@
+use super::table_row::RenderTableRow;
+use serde::Serialize;
+
+#[derive(Debug, Serialize)]
+#[serde(tag = "type")]
+pub(crate) enum RenderTableGroup {
+    #[serde(rename = "head")]
+    Head { children: Vec<RenderTableRow> },
+
+    #[serde(rename = "body")]
+    Body { children: Vec<RenderTableRow> },
+}