1 files changed, 26 insertions, 0 deletions
diff --git a/derive-macro/src/item.rs b/derive-macro/src/item.rs
new file mode 100644
index 00000000..5d3f4cdb
--- /dev/null
+++ b/derive-macro/src/item.rs
@@ -0,0 +1,26 @@
+use syn::{self, ext::IdentExt, spanned::Spanned, Attribute, Field, Ident, LitStr, Type, Variant};
+
+#[derive(Clone)]
+pub struct Item {
+    ident: Ident,
+    ty: Option<Type>,
+    doc_comment: Vec<Method>,
+    value_parser: Option<ValueParser>,
+}
+
+impl Item {
+    pub fn from_key_field(field: &Field) -> Self {
+        let ident = field.ident.clone().unwrap();
+        let span = field.span();
+        let ty = Ty::from_syn_ty(&field.ty);
+        let kind = Sp::new(Kind::Arg(ty), span);
+        let mut res = Self::new(Name::Derived(name), ident, Some(field.ty.clone()), kind);
+        let parsed_attrs = ClapAttr::parse_all(&field.attrs);
+        res.push_attrs(&parsed_attrs);
+        if matches!(&*res.kind, Kind::Arg(_)) {
+            res.push_doc_comment(&field.attrs, "help", Some("long_help"));
+        }
+
+        res
+    }
+}