Support C# Typegen +WinUI 3 Sample

crux_core/src/typegen.rs

@@ -114,7 +114,7 @@
 //! ```
 
 use serde::Deserialize;
-use serde_generate::{java, swift, typescript, Encoding, SourceInstaller};
+use serde_generate::{csharp, java, swift, typescript, Encoding, SourceInstaller};
 use serde_reflection::{Registry, Tracer, TracerConfig};
 use std::{
     fs::{self, File},
@@ -546,6 +546,50 @@ The 2 common cases are:
         Ok(())
     }
 
+    pub fn csharp(&mut self, package_name: &str, path: impl AsRef<Path>) -> Result {
+        self.ensure_registry()?;
+
+        let path = path.as_ref().join(package_name);
+
+        fs::create_dir_all(&path)?;
+
+        let installer = csharp::Installer::new(path.clone());
+
+        installer
+            .install_serde_runtime()
+            .map_err(|e| TypeGenError::Generation(e.to_string()))?;
+
+        installer
+            .install_bincode_runtime()
+            .map_err(|e| TypeGenError::Generation(e.to_string()))?;
+
+        let registry = match &self.state {
+            State::Generating(registry) => registry,
+            _ => panic!("registry creation failed"),
+        };
+
+        let config = serde_generate::CodeGeneratorConfig::new(package_name.to_string())
+            .with_encodings(vec![Encoding::Bincode])
+            .with_c_style_enums(true);
+
+        installer
+            .install_module(&config, registry)
+            .map_err(|e| TypeGenError::Generation(e.to_string()))?;
+
+        let mut output = File::create(path.join(package_name).join("Requests.cs"))?;
+
+        let requests_path = self.extensions_path("csharp/Requests.cs");
+        let requests_data = fs::read_to_string(requests_path)?;
+
+        write!(
+            output,
+            "{}",
+            requests_data.replace("SharedTypes", package_name)
+        )?;
+
+        Ok(())
+    }
+
     fn ensure_registry(&mut self) -> Result {
         if let State::Registering(_, _) = self.state {
             // replace the current state with a dummy tracer

crux_core/tests/typegen.rs

@@ -60,6 +60,9 @@ mod test {
 
         gen.typescript("shared_types", output_root.join("typescript"))
             .expect("typescript type gen failed");
+
+        gen.csharp("SharedTypes", output_root.join("csharp"))
+            .expect("csharp type gen failed");
     }
 
     // TODO: instead of using the Render capability here, it would be better to also test against a custom

crux_core/typegen_extensions/csharp/Requests.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+
+namespace SharedTypes
+{
+    public static class Requests
+    {
+        public static List<Request> BincodeDeserialize(ArraySegment<byte> input)
+        {
+            Serde.IDeserializer deserializer = new Bincode.BincodeDeserializer(input);
+            deserializer.increase_container_depth();
+
+            var length = deserializer.deserialize_len();
+            var requests = new List<Request>();
+            for (var i = 0; i < length; ++i)
+            {
+                while (deserializer.get_buffer_offset() < input.Count)
+                {
+                    var req = Request.Deserialize(deserializer);
+                    requests.Add(req);
+                }
+            }
+
+            deserializer.decrease_container_depth();
+            return requests;
+        }
+    }
+}