platform

frontend/src/platform/browser.rs

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+use zoon::*;
+use std::sync::Mutex;
+use wellen::simple::Waveform;
+use shared::wellen_helpers;
+
+#[derive(Default)]
+struct Store {
+    waveform: Mutex<Option<Waveform>>,
+}
+
+static STORE: Lazy<Store> = lazy::default();
+
+pub(super) async fn show_window() {}
+
+pub(super) async fn load_waveform(test_file_name: &'static str) {
+    static SIMPLE_VCD: &'static [u8; 311] = include_bytes!("../../../test_files/simple.vcd");
+    // static WAVE_27_FST: &'static [u8; 28860652] = include_bytes!("../../../test_files/wave_27.fst");
+    let chosen_file = match test_file_name {
+        "simple.vcd" => SIMPLE_VCD.to_vec(),
+        // "wave_27.fst" => WAVE_27_FST.to_vec(),
+        test_file_name => todo!("add {test_file_name} to the `test_files` folder"),
+    };
+    let waveform = wellen_helpers::read_from_bytes(chosen_file);
+    let Ok(waveform) = waveform else {
+        panic!("VCD file reading failed")
+    };
+    *STORE.waveform.lock().unwrap_throw() = Some(waveform);
+}
+
+pub(super) async fn get_hierarchy() -> wellen::Hierarchy {
+    let waveform = STORE.waveform.lock().unwrap_throw();
+    let hierarchy = waveform.as_ref().unwrap_throw().hierarchy();
+    // @TODO Wrap `hierarchy` in `Waveform` with `Rc/Arc` or add the method `take` / `clone` or refactor?
+    serde_json::from_value(serde_json::to_value(hierarchy).unwrap_throw()).unwrap_throw()
+}
+
+pub(super) async fn get_time_table() -> wellen::TimeTable {
+    let waveform = STORE.waveform.lock().unwrap_throw();
+    let time_table = waveform.as_ref().unwrap_throw().time_table();
+    // @TODO Wrap `time_table` in `Waveform` with `Rc/Arc` or add the method `take` / `clone` or refactor?
+    serde_json::from_value(serde_json::to_value(time_table).unwrap_throw()).unwrap_throw()
+}
+
+pub(super) async fn load_and_get_signal(signal_ref: wellen::SignalRef) -> wellen::Signal {
+    let mut waveform_lock = STORE.waveform.lock().unwrap_throw();
+    let waveform = waveform_lock.as_mut().unwrap_throw();
+    // @TODO maybe run it in a thread to not block the main one and then
+    waveform.load_signals(&[signal_ref]);
+    let signal = waveform.get_signal(signal_ref).unwrap_throw();
+    // @TODO `clone` / `Rc/Arc` / refactor?
+    serde_json::from_value(serde_json::to_value(signal).unwrap_throw()).unwrap_throw()
+}
+
+pub(super) async fn unload_signal(signal_ref: wellen::SignalRef) {
+    let mut waveform_lock = STORE.waveform.lock().unwrap_throw();
+    let waveform = waveform_lock.as_mut().unwrap_throw();
+    waveform.unload_signals(&[signal_ref]);
+}

frontend/src/platform/tauri.rs

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+use zoon::*;
+
+pub(super) async fn show_window() {
+    tauri_glue::show_window().await
+}
+
+pub(super) async fn load_waveform(test_file_name: &'static str) {
+    tauri_glue::load_waveform(test_file_name).await
+}
+
+pub(super) async fn get_hierarchy() -> wellen::Hierarchy {
+    serde_wasm_bindgen::from_value(tauri_glue::get_hierarchy().await).unwrap_throw()
+}
+
+pub(super) async fn get_time_table() -> wellen::TimeTable {
+    serde_wasm_bindgen::from_value(tauri_glue::get_time_table().await).unwrap_throw()
+}
+
+pub(super) async fn load_and_get_signal(signal_ref: wellen::SignalRef) -> wellen::Signal {
+    serde_wasm_bindgen::from_value(tauri_glue::load_and_get_signal(signal_ref.index()).await)
+        .unwrap_throw()
+}
+
+pub(super) async fn unload_signal(signal_ref: wellen::SignalRef) {
+    tauri_glue::unload_signal(signal_ref.index()).await
+}
+
+mod tauri_glue {
+    use zoon::*;
+
+    // Note: Add all corresponding methods to `frontend/typescript/tauri_glue/tauri_glue.ts`
+    #[wasm_bindgen(module = "/typescript/bundles/tauri_glue.js")]
+    extern "C" {
+        pub async fn show_window();
+
+        pub async fn load_waveform(test_file_name: &str);
+
+        pub async fn get_hierarchy() -> JsValue;
+
+        pub async fn get_time_table() -> JsValue;
+
+        pub async fn load_and_get_signal(signal_ref_index: usize) -> JsValue;
+
+        pub async fn unload_signal(signal_ref_index: usize);
+    }
+}