add Setters derive macro

1 files changed, 35 insertions, 1 deletions

diff --git a/derive/src/lib.rs b/derive/src/lib.rs
index 606e8e3..dc6e9fe 100644
--- a/derive/src/lib.rs
+++ b/derive/src/lib.rs
@@ -3,13 +3,14 @@ use syn;
 mod from;
 mod network;
 mod sync;
+mod setters;
 
 #[proc_macro_derive(NetworkList, attributes(network))]
 pub fn network_list(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
     network::network_list(input)
 }
 
-#[proc_macro_derive(NetworkMap, attributes(network))]
+#[proc_macro_derive(NetworkMap, attributes(network, quassel))]
 pub fn network_map(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
     network::network_map(input)
 }
@@ -19,7 +20,40 @@ pub fn from(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
     from::from(input)
 }
 
+#[proc_macro_derive(Setters, attributes(quassel))]
+pub fn setters(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
+    setters::setters(input)
+}
+
 #[proc_macro]
 pub fn sync(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
     sync::sync(input)
 }
+
+use darling::FromField;
+
+#[derive(Debug, FromField)]
+#[darling(attributes(quassel))]
+struct QuasselField {
+    ident: Option<syn::Ident>,
+    ty: syn::Type,
+
+    #[darling(default)]
+    name: String,
+}
+
+impl QuasselField {
+    pub fn parse(input: &syn::DeriveInput) -> Vec<QuasselField> {
+        match &input.data {
+            syn::Data::Struct(data) => match &data.fields {
+                syn::Fields::Named(fields) => fields
+                    .named
+                    .iter()
+                    .map(|field| QuasselField::from_field(field).expect("Could not parse quassel field"))
+                    .collect(),
+                _ => panic!("quassel: not a named field"),
+            },
+            _ => panic!("quassel: not a Struct"),
+        }
+    }
+}