Start of Lua support

1 files changed, 35 insertions, 0 deletions

diff --git a/src/theming/lua.rs b/src/theming/lua.rs
new file mode 100644
index 0000000..22ad4d6
--- /dev/null
+++ b/src/theming/lua.rs
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: AGPL-3.0-only
+use std::sync::LazyLock;
+use std::collections::BTreeMap;
+use std::ops::Deref;
+
+use tokio::sync::Mutex;
+use mlua::*;
+
+use crate::CONFIG;
+
+static LUA: LazyLock<Mutex<Lua>> = LazyLock::new(|| {
+  let stdlib = StdLib::TABLE | StdLib::STRING | StdLib::UTF8 | StdLib::BIT | StdLib::MATH;
+  let lua = Lua::new_with(stdlib, LuaOptions::new().thread_pool_size(2)).expect("lua initialization");
+
+  lua.sandbox(true).expect("lua initialization");
+
+  lua.set_compiler(
+    if CONFIG.theme_debug { Compiler::new().set_optimization_level(0).set_debug_level(2) }
+    else { Compiler::new().set_optimization_level(2).set_debug_level(1) }
+  );
+
+  let expect: Value = lua.load(include_str!("lua-lib/expect.lua"))
+    .set_compiler(Compiler::new().set_optimization_level(2).set_debug_level(1))
+    .eval()
+    .expect("expect.lua loading");
+  lua.globals().set("expect", expect);
+
+  let html: Value = lua.load(include_str!("lua-lib/html.lua"))
+    .set_compiler(Compiler::new().set_optimization_level(2).set_debug_level(1))
+    .eval()
+    .expect("html.lua loading");
+  lua.globals().set("html", html);
+
+  Mutex::new(lua)
+});