add support for ron serialization

Cargo.toml

@@ -13,6 +13,7 @@ version = "1.3.0"
 [dependencies]
 bincode = { version = "0.8", optional = true }
 serde_yaml = { version = "0.7", optional = true }
+ron = { version = "0.1.3", optional = true }
 fs2 = "0.4"
 quick-error = "1.1.0"
 serde = "1"
@@ -25,3 +26,4 @@ lazy_static = "0.2.1"
 default = ["bin"]
 bin = ["bincode"]
 yaml = ["serde_yaml"]
+ron_enc = ["ron"]

src/lib.rs

@@ -68,15 +68,18 @@ extern crate serde;
 extern crate fs2;
 #[cfg(feature = "bin")] extern crate bincode;
 #[cfg(feature = "yaml")] extern crate serde_yaml;
+#[cfg(feature = "ron_enc")] extern crate ron;
 #[cfg(test)] extern crate tempfile;
 
 mod error;
 #[cfg(feature = "bin")] mod bincode_enc;
 #[cfg(feature = "yaml")] mod yaml_enc;
+#[cfg(feature = "ron_enc")] mod ron_enc;
 
 mod enc {
     #[cfg(feature = "bin")] pub use bincode_enc::*;
     #[cfg(feature = "yaml")] pub use yaml_enc::*;
+    #[cfg(feature = "ron_enc")] pub use ron_enc::*;
 }
 
 use std::collections::HashMap;

src/ron_enc.rs

@@ -0,0 +1,21 @@
+use serde::Serialize;
+use serde::de::DeserializeOwned;
+use ron::{ser, de};
+
+pub type Repr = String;
+pub type SerializeError = ser::Error;
+pub type DeserializeError = de::Error;
+
+pub fn serialize<T>(value: &T) -> ser::Result<String>
+    where T: Serialize
+{
+    ser::to_string(value)
+}
+
+pub fn deserialize<T, I>(bytes: &I) -> Result<T, ::error::BreakError>
+    where T: DeserializeOwned,
+    I: AsRef<[u8]>
+{
+    let string = try!(String::from_utf8(bytes.as_ref().to_vec()));
+    Ok(de::from_str(&string)?)
+}