Add plain list items.

src/intermediate/plain_list_item.rs

@@ -1,15 +1,36 @@
 use crate::error::CustomError;
 
 use super::registry::Registry;
+use super::IElement;
+use super::IObject;
 
 #[derive(Debug)]
-pub(crate) struct IPlainListItem {}
+pub(crate) struct IPlainListItem {
+    pub(crate) tag: Vec<IObject>,
+    pub(crate) children: Vec<IElement>,
+}
 
 impl IPlainListItem {
     pub(crate) async fn new<'parse>(
         registry: &mut Registry<'parse>,
         plain_list_item: &organic::types::PlainListItem<'parse>,
     ) -> Result<IPlainListItem, CustomError> {
-        Ok(IPlainListItem {})
+        let tag = {
+            let mut ret = Vec::new();
+            for obj in plain_list_item.tag.iter() {
+                ret.push(IObject::new(registry, obj).await?);
+            }
+            ret
+        };
+
+        let children = {
+            let mut ret = Vec::new();
+            for elem in plain_list_item.children.iter() {
+                ret.push(IElement::new(registry, elem).await?);
+            }
+            ret
+        };
+
+        Ok(IPlainListItem { tag, children })
     }
 }