Update intermediate phase for table groups.

src/intermediate/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/intermediate/table.rs

@@ -1,11 +1,12 @@
 use super::macros::intermediate;
 use super::table_row::ITableRow;
 use crate::error::CustomError;
+use crate::intermediate::table_group::ITableGroup;
 use organic::types::StandardProperties;
 
 #[derive(Debug, Clone)]
 pub(crate) struct ITable {
-    pub(crate) children: Vec<ITableRow>,
+    pub(crate) children: Vec<ITableGroup>,
     pub(crate) post_blank: organic::types::PostBlank,
 }
 
@@ -21,10 +22,34 @@ intermediate!(
 
         let sections = group_into_sections(&original.children);
 
-        let children = {
+        let children = if sections.len() == 1 {
+            // If there is only one section, then it is a body.
             let mut ret = Vec::new();
-            for obj in original.children.iter() {
+            for group in sections.into_iter() {
-                ret.push(ITableRow::new(intermediate_context.clone(), obj).await?);
+                let mut rows = Vec::new();
+                for obj in group.into_iter() {
+                    rows.push(ITableRow::new(intermediate_context.clone(), obj).await?)
+                }
+                ret.push(ITableGroup::Body(rows));
+            }
+            ret
+        } else {
+            // If there are more than one section, the first is a head and the rest are body.
+            let mut ret = Vec::new();
+            let mut sections = sections.into_iter();
+            if let Some(group) = sections.next() {
+                let mut rows = Vec::new();
+                for obj in group.into_iter() {
+                    rows.push(ITableRow::new(intermediate_context.clone(), obj).await?)
+                }
+                ret.push(ITableGroup::Head(rows));
+            }
+            for group in sections {
+                let mut rows = Vec::new();
+                for obj in group.into_iter() {
+                    rows.push(ITableRow::new(intermediate_context.clone(), obj).await?)
+                }
+                ret.push(ITableGroup::Body(rows));
             }
             ret
         };

src/intermediate/table_group.rs

@@ -0,0 +1,7 @@
+use super::ITableRow;
+
+#[derive(Debug, Clone)]
+pub(crate) enum ITableGroup {
+    Head(Vec<ITableRow>),
+    Body(Vec<ITableRow>),
+}