implement new lua interface

1 files changed, 57 insertions, 0 deletions

diff --git a/src/state/editor/mod.rs b/src/state/editor/mod.rs
new file mode 100644
index 0000000..6fbd2b9
--- /dev/null
+++ b/src/state/editor/mod.rs
@@ -0,0 +1,57 @@
+use self::buffer::Buffer;
+
+use super::GlobalState;
+use mlua::{Lua, UserData};
+
+pub mod buffer;
+
+#[derive(Default, Debug)]
+pub struct EditorState {
+    pub visible: bool,
+    pub buffer: Buffer,
+}
+
+macro_rules! cfg {
+    () => {
+        GlobalState::instance().editor
+    };
+}
+
+macro_rules! cfg_mut {
+    () => {
+        GlobalState::instance_mut().editor
+    };
+}
+
+impl EditorState {
+    pub const fn new() -> Self {
+        Self {
+            visible: false,
+            buffer: Buffer::new(),
+        }
+    }
+
+    pub fn run(lua: &Lua) {
+        let script = { cfg!().buffer.as_string() };
+        if let Err(_error) = lua.load(script).exec() {
+            // TODO: add error handling
+        }
+    }
+}
+
+impl UserData for EditorState {
+    fn add_fields<'lua, F: mlua::prelude::LuaUserDataFields<'lua, Self>>(fields: &mut F) {
+        fields.add_field_function_get("visible", |_, _| Ok(cfg!().visible));
+        fields.add_field_function_set("visible", |_, _, visible: bool| {
+            cfg_mut!().visible = visible;
+            Ok(())
+        })
+    }
+
+    fn add_methods<'lua, M: mlua::prelude::LuaUserDataMethods<'lua, Self>>(methods: &mut M) {
+        methods.add_function("run", |lua, _: ()| {
+            EditorState::run(lua);
+            Ok(())
+        })
+    }
+}