add gitpad.decode_toml lua method

We are vendoring the rlua_serde crate because it currently depends on
rlua 0.17, which is outdated and my attempts to contact the crate author
were bounced by Yandex for somehow looking like spam.

1 files changed, 58 insertions, 0 deletions

diff --git a/src/lua/serde/error.rs b/src/lua/serde/error.rs
new file mode 100644
index 0000000..8d5debf
--- /dev/null
+++ b/src/lua/serde/error.rs
@@ -0,0 +1,58 @@
+// vendored from https://github.com/zrkn/rlua_serde because it dependend on an outdated rlua version
+// Copyright (c) 2018 zrkn <zrkn@email.su>, licensed under the MIT License
+
+use std::error::Error as StdError;
+use std::fmt;
+use std::result::Result as StdResult;
+
+use rlua::Error as LuaError;
+use serde;
+
+#[derive(Debug)]
+pub struct Error(LuaError);
+
+pub type Result<T> = StdResult<T, Error>;
+
+impl From<LuaError> for Error {
+    fn from(err: LuaError) -> Error {
+        Error(err)
+    }
+}
+
+impl From<Error> for LuaError {
+    fn from(err: Error) -> LuaError {
+        err.0
+    }
+}
+
+impl fmt::Display for Error {
+    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+        self.0.fmt(fmt)
+    }
+}
+
+impl StdError for Error {
+    fn description(&self) -> &'static str {
+        "Failed to serialize to Lua value"
+    }
+}
+
+impl serde::ser::Error for Error {
+    fn custom<T: fmt::Display>(msg: T) -> Self {
+        Error(LuaError::ToLuaConversionError {
+            from: "serialize",
+            to: "value",
+            message: Some(format!("{}", msg)),
+        })
+    }
+}
+
+impl serde::de::Error for Error {
+    fn custom<T: fmt::Display>(msg: T) -> Self {
+        Error(LuaError::FromLuaConversionError {
+            from: "value",
+            to: "deserialize",
+            message: Some(format!("{}", msg)),
+        })
+    }
+}