move rust-sciter in

libs/rust-sciter/serde/src/error.rs

@@ -0,0 +1,51 @@
+use std;
+use std::fmt::{self, Display};
+
+use serde::{ser, de};
+
+
+/// Result type for serialization.
+pub type Result<T> = std::result::Result<T, Error>;
+
+/// Error type for serialization.
+#[derive(Debug, Clone, PartialEq)]
+pub enum Error {
+	Message(String),
+	Unimplemented,
+	UnsupportedType,
+	ExpectedType(String),
+}
+
+impl ser::Error for Error {
+	fn custom<T: Display>(msg: T) -> Self {
+		Error::Message(msg.to_string())
+	}
+}
+
+impl de::Error for Error {
+	fn custom<T: Display>(msg: T) -> Self {
+		Error::Message(msg.to_string())
+	}
+}
+
+impl std::error::Error for Error {
+	fn description(&self) -> &str {
+		match *self {
+			Error::Message(ref msg) => msg,
+			Error::ExpectedType(ref msg) => msg,
+			Error::Unimplemented => "unimplemented",
+			Error::UnsupportedType => "unsupported",
+		}
+	}
+}
+
+impl Display for Error {
+	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+		match self {
+			Error::Message(ref msg) => write!(f, "error: {}", msg),
+			Error::ExpectedType(ref msg) => write!(f, "expected: {}", msg),
+			Error::UnsupportedType => write!(f, "unsupported type"),
+			Error::Unimplemented => write!(f, "unimplemented"),
+		}
+	}
+}