Finally figured out how I want atoms to work

orchid-api/src/vfs.rs

@@ -0,0 +1,45 @@
+use std::collections::HashMap;
+
+use orchid_api_derive::{Coding, Hierarchy};
+use orchid_api_traits::Request;
+
+use crate::error::ProjResult;
+use crate::intern::TStr;
+use crate::proto::HostExtReq;
+use crate::system::SysId;
+
+pub type VfsId = u16;
+
+#[derive(Clone, Debug, Coding)]
+pub enum Loaded {
+  Code(String),
+  Collection(Vec<TStr>),
+}
+
+#[derive(Clone, Debug, Coding, Hierarchy)]
+#[extends(VfsReq, HostExtReq)]
+pub struct VfsRead(pub SysId, pub VfsId, pub Vec<TStr>);
+impl Request for VfsRead {
+  type Response = ProjResult<Loaded>;
+}
+
+#[derive(Clone, Debug, Coding)]
+pub enum EagerVfs {
+  Lazy(VfsId),
+  Eager(HashMap<TStr, EagerVfs>),
+}
+
+#[derive(Clone, Debug, Coding, Hierarchy)]
+#[extends(VfsReq, HostExtReq)]
+pub struct GetVfs(pub SysId);
+impl Request for GetVfs {
+  type Response = EagerVfs;
+}
+
+#[derive(Clone, Debug, Coding, Hierarchy)]
+#[extends(HostExtReq)]
+#[extendable]
+pub enum VfsReq {
+  GetVfs(GetVfs),
+  VfsRead(VfsRead),
+}