added modloader default to config

1 files changed, 41 insertions, 0 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 185edd7..05d74db 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -11,6 +11,7 @@ use std::fmt::Display;
 pub use apis::*;
 pub use commands::*;
 use error::{ErrorType, MLError, MLE};
+use serde::{Deserialize, Serialize, de::Visitor};
 
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub enum Modloader {
@@ -36,3 +37,43 @@ impl Display for Modloader {
         }
     }
 }
+
+impl Serialize for Modloader {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+        where
+            S: serde::Serializer {
+        match self {
+            Modloader::Fabric => serializer.serialize_str("fabric"),
+            Modloader::Forge => serializer.serialize_str("forge"),
+        }
+    }
+}
+
+impl<'de> Deserialize<'de> for Modloader {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+    where
+    D: serde::Deserializer<'de>,
+    {
+        struct FieldVisitor;
+
+        impl<'de> Visitor<'de> for FieldVisitor {
+            type Value = Modloader;
+
+            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
+                formatter.write_str("`fabric`, `forge` or `quilt`")
+            }
+
+            fn visit_str<E>(self, v: &str) -> Result<Modloader, E>
+                where
+                    E: serde::de::Error, {
+                match v {
+                    "fabric" => Ok(Modloader::Fabric),
+                    "forge" => Ok(Modloader::Forge),
+                    _ => Err(serde::de::Error::unknown_field(v, &["fabric", "forge", "quilt"]))
+                }
+            }
+        }
+
+        deserializer.deserialize_identifier(FieldVisitor)
+    }
+}