added support for miniserde

Author: maccesch

Cargo.toml

@@ -14,6 +14,7 @@ repository = "https://github.com/Synphonyte/codee"
 [dependencies]
 base64 = { version = "0.21", optional = true }
 bincode = { version = "1", optional = true }
+miniserde = { version = "0.1", optional = true }
 prost = { version = "0.12", optional = true }
 rkyv = { version = "0.7", optional = true, features = ["validation", "strict"] }
 rmp-serde = { version = "1.1", optional = true }

src/string/miniserde.rs

@@ -0,0 +1,46 @@
+use crate::{Decoder, Encoder};
+use miniserde::{json, Deserialize, Serialize};
+
+/// A codec that relies on `miniserde` to encode data in the json format.
+///
+/// This is only available with the **`miniserde` feature** enabled.
+pub struct MiniserdeCodec;
+
+impl<T: Serialize> Encoder<T> for MiniserdeCodec {
+    type Error = ();
+    type Encoded = String;
+
+    fn encode(val: &T) -> Result<Self::Encoded, Self::Error> {
+        Ok(json::to_string(val))
+    }
+}
+
+impl<T: Deserialize> Decoder<T> for MiniserdeCodec {
+    type Error = miniserde::Error;
+    type Encoded = str;
+
+    fn decode(val: &Self::Encoded) -> Result<T, Self::Error> {
+        json::from_str(val)
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_json_codec() {
+        #[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+        struct Test {
+            s: String,
+            i: i32,
+        }
+        let t = Test {
+            s: String::from("party time 🎉"),
+            i: 42,
+        };
+        let enc = MiniserdeCodec::encode(&t).unwrap();
+        let dec: Test = MiniserdeCodec::decode(&enc).unwrap();
+        assert_eq!(dec, t);
+    }
+}

src/string/mod.rs

@@ -3,11 +3,15 @@ mod base64;
 mod from_to_string;
 #[cfg(feature = "json_serde")]
 mod json_serde;
+#[cfg(feature = "miniserde")]
+mod miniserde;
 mod option;
 
 #[cfg(feature = "base64")]
 pub use base64::*;
 pub use from_to_string::*;
 #[cfg(feature = "json_serde")]
 pub use json_serde::*;
+#[cfg(feature = "miniserde")]
+pub use miniserde::*;
 pub use option::*;