Support for serializing and deserializing a Pokemon

src/ffi/dynamic_data/models/pokemon.rs

@@ -450,3 +450,51 @@ extern "C" fn pokemon_learn_move(
 extern "C" fn pokemon_clear_status(handle: FFIHandle<Pokemon>) {
     handle.from_ffi_handle().clear_status()
 }
+
+/// Returns a serialized version of the Pokemon as xml.
+#[cfg(feature = "serde")]
+#[no_mangle]
+extern "C" fn pokemon_serialize_as_xml(handle: FFIHandle<Pokemon>) -> FFIResult<OwnedPtrString> {
+    let serialized = match handle.from_ffi_handle().serialize() {
+        Ok(v) => v,
+        Err(err) => return FFIResult::err(err),
+    };
+    let serialized =
+        match serde_xml_rs::to_string(&serialized).map_err(|err| anyhow!("Could not serialize Pokemon: {}", err)) {
+            Ok(v) => v,
+            Err(err) => return FFIResult::err(err),
+        };
+    let cstring = match CString::new(serialized) {
+        Ok(v) => v,
+        Err(err) => return FFIResult::err(anyhow!("Could not convert serialized Pokemon to CString: {}", err)),
+    };
+    FFIResult::ok(OwnedPtrString(cstring.into_raw()))
+}
+
+/// Converts an XML representation of a Pokemon to a Pokemon.
+#[cfg(feature = "serde")]
+#[no_mangle]
+extern "C" fn pokemon_deserialize_from_xml(
+    library: FFIHandle<Arc<dyn DynamicLibrary>>,
+    str: OwnedPtrString,
+) -> FFIResult<FFIHandle<Pokemon>> {
+    let str = unsafe {
+        match CString::from_raw(str.0).to_str() {
+            Ok(v) => v.to_string(),
+            Err(err) => return FFIResult::err(anyhow!("Could not read CString: {}", err)),
+        }
+    };
+    let deserialized = match serde_xml_rs::from_str::<crate::dynamic_data::serialization::SerializedPokemon>(&str)
+        .map_err(|err| anyhow!("Could not deserialize Pokemon: {}", err))
+    {
+        Ok(v) => v,
+        Err(err) => return FFIResult::err(err),
+    };
+
+    let library = library.from_ffi_handle();
+    let pokemon = match Pokemon::deserialize(&library, &deserialized) {
+        Ok(v) => v,
+        Err(err) => return FFIResult::err(err),
+    };
+    FFIResult::ok(FFIHandle::get_handle(pokemon.into()))
+}

src/ffi/mod.rs

@@ -8,7 +8,7 @@ mod static_data;
 pub(self) use ffi_handle::*;
 
 /// Helper type for clearer functions.
-#[repr(C)]
+#[repr(transparent)]
 #[derive(Debug, Copy, Clone)]
 struct OwnedPtrString(*mut c_char);