progress

tauri/src/bytes.rs

@@ -0,0 +1,40 @@
+//! Typed arrays and files cross as raw bytes (little-endian), not as JSON.
+
+pub type Bytes = tauri::ipc::Response;
+
+pub fn f64s(values: &[f64]) -> Bytes {
+    Bytes::new(
+        values
+            .iter()
+            .flat_map(|v| v.to_le_bytes())
+            .collect::<Vec<u8>>(),
+    )
+}
+
+pub fn u32s(values: &[u32]) -> Bytes {
+    Bytes::new(
+        values
+            .iter()
+            .flat_map(|v| v.to_le_bytes())
+            .collect::<Vec<u8>>(),
+    )
+}
+
+pub fn u8s(values: &[u8]) -> Bytes {
+    Bytes::new(values.to_vec())
+}
+
+/// An array that can be absent: the first byte tells whether it is there, the array follows.
+pub fn optional(array: Option<Vec<u8>>) -> Bytes {
+    let mut bytes = vec![u8::from(array.is_some())];
+    bytes.extend(array.unwrap_or_default());
+    Bytes::new(bytes)
+}
+
+pub fn f64_bytes(values: &[f64]) -> Vec<u8> {
+    values.iter().flat_map(|v| v.to_le_bytes()).collect()
+}
+
+pub fn i64_bytes(values: &[i64]) -> Vec<u8> {
+    values.iter().flat_map(|v| v.to_le_bytes()).collect()
+}