Merge pull request extism#11 from extism/msgpack

feat: add msgpack support

Cargo.toml

@@ -13,11 +13,13 @@ anyhow = "1"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 extism-pdk-derive = {path = "./derive", version = "0.1.0"}
-extism-manifest = {version = "0.0.1", optional = true}
+extism-manifest = {version = "0.1.0", optional = true}
+rmp-serde = {version = "1", optional = true}
 base64 = "0.20.0-alpha.1"
 [features]
-default = ["http"]
+default = ["http", "msgpack"]
 http = ["extism-manifest"]
+msgpack = ["rmp-serde"]
 
 [workspace]
 members = [

src/lib.rs

@@ -8,6 +8,7 @@ mod to_memory;
 pub mod var;
 
 #[cfg(feature = "http")]
+/// Types and functions for making HTTP requests
 pub mod http;
 
 pub use anyhow::Error;
@@ -18,9 +19,11 @@ pub use memory::Memory;
 pub use to_memory::ToMemory;
 
 #[cfg(feature = "http")]
+/// HTTP request type
 pub use extism_manifest::HttpRequest;
 
 #[cfg(feature = "http")]
+/// HTTP response type
 pub use http::HttpResponse;
 
 /// The return type of a plugin function
@@ -39,10 +42,18 @@ pub enum LogLevel {
 pub use serde_json as json;
 
 use crate as extism_pdk;
+
 /// JSON encoding
 #[encoding(serde_json::to_vec, serde_json::from_slice)]
 pub struct Json;
 
+/// MsgPack encoding
+#[cfg_attr(
+    feature = "msgpack",
+    encoding(rmp_serde::to_vec, rmp_serde::from_slice)
+)]
+pub struct MsgPack;
+
 /// Base64 conversion
 pub struct Base64(pub String);