Add sbp::json::to_value

rust/sbp/src/json/mod.rs

@@ -15,7 +15,7 @@ pub use serde_json::ser::CompactFormatter;
 pub use de::stream_messages;
 pub use de::{iter_json2json_messages, iter_messages, iter_messages_from_fields};
 
-pub use ser::{to_vec, to_writer, Json2JsonEncoder, JsonEncoder};
+pub use ser::{to_vec, to_value, to_writer, Json2JsonEncoder, JsonEncoder};
 
 #[derive(Debug, Deserialize)]
 #[serde(untagged)]

rust/sbp/src/json/ser.rs

@@ -74,6 +74,22 @@ where
     Ok(())
 }
 
+/// Serialize the given message as a JSON byte vector.
+pub fn to_value<M>(msg: &M) -> Result<serde_json::Value, JsonError>
+where
+    M: SbpMessage + Serialize + WireFormat + Clone,
+{
+    let mut frame = BytesMut::with_capacity(BUFLEN);
+    let mut payload = String::with_capacity(BUFLEN);
+
+    let output = JsonOutput {
+        common: get_common_fields(&mut payload, &mut frame, msg)?,
+        msg,
+    };
+
+    serde_json::to_value(output).map_err(|e| e.into())
+}
+
 /// Writes [Sbp] messages as JSON into a writer.
 #[derive(Debug)]
 pub struct JsonEncoder<W, F>(FramedWrite<W, JsonEncoderInner<F>>);