feat: add codegen lib

Signed-off-by: kjuulh <contact@kjuulh.io>

Cargo.lock

@@ -545,6 +545,17 @@ dependencies = [
  "tracing-subscriber",
 ]
 
+[[package]]
+name = "crunch-codegen"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "async-trait",
+ "crunch-traits",
+ "tokio",
+ "tracing",
+]
+
 [[package]]
 name = "crunch-envelope"
 version = "0.1.0"

Cargo.toml

@@ -23,5 +23,9 @@ nats = "0.24.0"
 clap = {version = "4.4.4", features = ["derive"]}
 toml_edit = {version = "0.20.0",features = ["serde"]}
 serde = {version = "1.0.88", features = ["derive"]}
+prost = {version  = "0.12"}
+prost-types = {version = "0.12"}
+bytes = {version = "0.4"}
+
 
 pretty_assertions = "1.4.0"

crates/crunch-codegen/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "crunch-codegen"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+crunch-traits.workspace = true
+
+anyhow.workspace = true
+tracing.workspace = true
+tokio.workspace = true
+async-trait.workspace = true

crates/crunch-codegen/src/lib.rs

@@ -0,0 +1,14 @@
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}

crates/crunch-envelope/Cargo.toml

@@ -10,12 +10,13 @@ name = "envelope_benchmark"
 harness = false
 
 [features]
-default = ["json", "proto"]
+default = ["proto", "capnp"]
 json = ["dep:serde", "dep:serde_json", "dep:base64"]
 proto = ["dep:prost", "dep:prost-types", "dep:bytes"]
+capnp = ["dep:capnp"]
 
 [dependencies]
-capnp = "0.17.2"
+capnp = { version = "0.17.2",optional = true}
 thiserror.workspace = true
 
 # Json
@@ -24,9 +25,9 @@ serde_json = {version = "1.0.107",optional = true}
 base64 = {version = "0.21.4",optional = true}
 
 # Proto
-prost = {version  = "0.12", optional = true}
+prost = {workspace = true, optional = true}
-prost-types = {version = "0.12", optional = true}
+prost-types = {workspace = true, optional = true}
-bytes = {version = "0.4", optional = true}
+bytes = {workspace = true, optional = true}
 
 [build-dependencies]
 capnpc = "0.17.2"

crates/crunch-envelope/src/lib.rs

@@ -1,4 +1,5 @@
 #[allow(dead_code)]
+#[cfg(feature = "capnp")]
 mod envelope_capnp;
 
 #[cfg(feature = "json")]
@@ -18,26 +19,12 @@ pub mod proto {
     pub use crate::proto_envelope::*;
 }
 
+#[cfg(feature = "capnp")]
+pub mod capnp {
     use capnp::message::{Builder, ReaderOptions};
     use capnp::serialize;
-use thiserror::Error;
 
-#[derive(Error, Debug)]
+    use crate::{envelope_capnp, EnvelopeError, Metadata};
-pub enum EnvelopeError {
-    #[error("capnp failed to serialize or deserialize code")]
-    CapnpError(#[source] capnp::Error),
-    #[cfg(feature = "json")]
-    #[error("serde_json failed to serialize or deserialize code")]
-    JsonError(#[source] serde_json::Error),
-    #[cfg(feature = "json")]
-    #[error("base64 failed to serialize or deserialize code")]
-    Base64Error(#[source] base64::DecodeError),
-    #[cfg(feature = "proto")]
-    #[error("prost failed to serialize or deserialize code")]
-    ProtoError(#[source] prost::DecodeError),
-    #[error("metadata is missing from field")]
-    MetadataError(),
-}
 
     pub fn wrap<'a>(domain: &'a str, entity: &'a str, content: &'a [u8]) -> Vec<u8> {
         let mut builder = Builder::new_default();
@@ -51,13 +38,6 @@ pub fn wrap<'a>(domain: &'a str, entity: &'a str, content: &'a [u8]) -> Vec<u8>
         serialize::write_message_to_words(&builder)
     }
 
-#[allow(dead_code)]
-#[derive(Debug, Clone)]
-pub struct Metadata {
-    domain: String,
-    entity: String,
-}
-
     pub fn unwrap(message: &[u8]) -> Result<(Vec<u8>, Metadata), EnvelopeError> {
         let mut message = message;
         let message_builder =
@@ -87,7 +67,7 @@ pub fn unwrap(message: &[u8]) -> Result<(Vec<u8>, Metadata), EnvelopeError> {
 
     #[cfg(test)]
     mod test {
-    use crate::{unwrap, wrap};
+        use super::*;
 
         #[test]
         fn test_can_serialize() {
@@ -103,3 +83,31 @@ mod test {
             assert_eq!(message, original.0.as_slice());
         }
     }
+}
+
+use thiserror::Error;
+
+#[derive(Error, Debug)]
+pub enum EnvelopeError {
+    #[error("capnp failed to serialize or deserialize code")]
+    #[cfg(feature = "capnp")]
+    CapnpError(#[source] ::capnp::Error),
+    #[cfg(feature = "json")]
+    #[error("serde_json failed to serialize or deserialize code")]
+    JsonError(#[source] serde_json::Error),
+    #[cfg(feature = "json")]
+    #[error("base64 failed to serialize or deserialize code")]
+    Base64Error(#[source] base64::DecodeError),
+    #[cfg(feature = "proto")]
+    #[error("prost failed to serialize or deserialize code")]
+    ProtoError(#[source] prost::DecodeError),
+    #[error("metadata is missing from field")]
+    MetadataError(),
+}
+
+#[allow(dead_code)]
+#[derive(Debug, Clone)]
+pub struct Metadata {
+    domain: String,
+    entity: String,
+}