1 files changed, 91 insertions, 0 deletions
diff --git a/src/edit.rs b/src/edit.rs
new file mode 100644
index 0000000..90fb284
--- /dev/null
+++ b/src/edit.rs
@@ -0,0 +1,91 @@
+#[cfg(feature = "parse")]
+pub(crate) mod de {
+    pub(crate) use toml_edit::de::Error;
+}
+
+#[cfg(not(feature = "parse"))]
+pub(crate) mod de {
+    /// Errors that can occur when deserializing a type.
+    #[derive(Debug, Clone, PartialEq, Eq)]
+    pub struct Error {
+        inner: String,
+    }
+
+    impl Error {
+        /// Add key while unwinding
+        pub fn add_key(&mut self, _key: String) {}
+
+        /// What went wrong
+        pub fn message(&self) -> &str {
+            self.inner.as_str()
+        }
+    }
+
+    impl serde::de::Error for Error {
+        fn custom<T>(msg: T) -> Self
+        where
+            T: std::fmt::Display,
+        {
+            Error {
+                inner: msg.to_string(),
+            }
+        }
+    }
+
+    impl std::fmt::Display for Error {
+        fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+            self.inner.fmt(f)
+        }
+    }
+
+    impl std::error::Error for Error {}
+}
+
+#[cfg(feature = "display")]
+pub(crate) mod ser {
+    pub(crate) use toml_edit::ser::Error;
+}
+
+#[cfg(not(feature = "display"))]
+pub(crate) mod ser {
+    #[derive(Debug, Clone, PartialEq, Eq)]
+    #[non_exhaustive]
+    pub(crate) enum Error {
+        UnsupportedType(Option<&'static str>),
+        UnsupportedNone,
+        KeyNotString,
+        Custom(String),
+    }
+
+    impl Error {
+        pub(crate) fn custom<T>(msg: T) -> Self
+        where
+            T: std::fmt::Display,
+        {
+            Error::Custom(msg.to_string())
+        }
+    }
+
+    impl serde::ser::Error for Error {
+        fn custom<T>(msg: T) -> Self
+        where
+            T: std::fmt::Display,
+        {
+            Self::custom(msg)
+        }
+    }
+
+    impl std::fmt::Display for Error {
+        fn fmt(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+            match self {
+                Self::UnsupportedType(Some(t)) => write!(formatter, "unsupported {t} type"),
+                Self::UnsupportedType(None) => write!(formatter, "unsupported rust type"),
+                Self::UnsupportedNone => "unsupported None value".fmt(formatter),
+                Self::KeyNotString => "map key was not a string".fmt(formatter),
+                Self::Custom(s) => s.fmt(formatter),
+            }
+        }
+    }
+
+    impl std::error::Error for Error {}
+}