feat(oiddb): sort by oid and name length

const-oid/oiddbgen/src/node.rs

@@ -1,3 +1,5 @@
+use std::cmp::Ordering;
+
 use convert_case::{Case, Casing};
 use proc_macro2::{Ident, Span, TokenStream};
 use quote::quote;
@@ -9,6 +11,24 @@ pub struct Node {
     symb: Ident,
 }
 
+impl Ord for Node {
+    fn cmp(&self, other: &Self) -> Ordering {
+        match self.obid.cmp(&other.obid) {
+            Ordering::Equal => match self.name.len().cmp(&other.name.len()) {
+                Ordering::Equal => self.name.cmp(&other.name),
+                o => o,
+            },
+            o => o,
+        }
+    }
+}
+
+impl PartialOrd for Node {
+    fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
+        Some(self.cmp(other))
+    }
+}
+
 impl Node {
     pub fn new(obid: String, name: String) -> Self {
         // Raise the first letter in the beginning or after a hyphen.

const-oid/oiddbgen/src/root.rs

@@ -18,7 +18,7 @@ impl Root {
         self.0
             .entry(spec)
             .or_insert_with(Spec::default)
-            .push(Node::new(obid, name));
+            .insert(Node::new(obid, name));
     }
 
     pub fn module(&self) -> TokenStream {

const-oid/oiddbgen/src/spec.rs

@@ -1,14 +1,16 @@
+use std::collections::BTreeSet;
+
 use proc_macro2::{Ident, TokenStream};
 use quote::quote;
 
 use crate::node::Node;
 
 #[derive(Clone, Debug, PartialEq, Eq, Default)]
-pub struct Spec(Vec<Node>);
+pub struct Spec(BTreeSet<Node>);
 
 impl Spec {
-    pub fn push(&mut self, value: Node) {
-        self.0.push(value)
+    pub fn insert(&mut self, value: Node) -> bool {
+        self.0.insert(value)
     }
 
     pub fn records(&self, path: TokenStream) -> TokenStream {