Add intermediate stage for tables.

src/intermediate/table.rs

@@ -1,5 +1,21 @@
-use super::macros::inoop;
+use super::macros::intermediate;
 
+use super::table_row::ITableRow;
 use crate::error::CustomError;
 
-inoop!(ITable, Table);
+#[derive(Debug, Clone)]
+pub(crate) struct ITable {
+    pub(crate) children: Vec<ITableRow>,
+}
+
+intermediate!(ITable, Table, original, registry, {
+    let children = {
+        let mut ret = Vec::new();
+        for obj in original.children.iter() {
+            ret.push(ITableRow::new(registry.clone(), obj).await?);
+        }
+        ret
+    };
+
+    Ok(ITable { children })
+});