fix unit enum parse

src/serde.rs

@@ -436,7 +436,7 @@ impl<'de, 'a> de::Deserializer<'de> for &'a mut Deserializer<'de> {
             .visit_enum(Enum::new(self))
             .map_err(|e| match (variant_token, &e) {
                 (Some(variant_token), VdfError::UnknownVariant(_)) => {
-                    e.with_source_span(variant_token.span, self.source())
+                    e.with_source_span(variant_token.span.start..self.last_span.end, self.source())
                 }
                 _ => e,
             })
@@ -662,10 +662,6 @@ impl<'a, 'de> Enum<'a, 'de> {
     fn new(de: &'a mut Deserializer<'de>) -> Self {
         Enum { de }
     }
-
-    fn source(&self) -> &'de str {
-        self.de.source()
-    }
 }
 
 // `EnumAccess` is provided to the `Visitor` to give it the ability to determine
@@ -692,12 +688,6 @@ impl<'de, 'a> VariantAccess<'de> for Enum<'a, 'de> {
     type Error = VdfError;
 
     fn unit_variant(self) -> Result<()> {
-        let (str, span) = self.de.read_str()?;
-
-        if !str.is_empty() {
-            return Err(SerdeParseError::new("unit", str.as_ref(), span, self.source()).into());
-        }
-
         Ok(())
     }
 

tests/serde.rs

@@ -56,7 +56,7 @@ enum Expected {
     },
     Sprite {
         #[serde(rename = "$spriteorientation")]
-        sprite_orientation: String,
+        sprite_orientation: SpriteOrientation,
         #[serde(rename = "$spriteorigin")]
         sprite_origin: [f32; 2],
         #[serde(rename = "$basetexture")]
@@ -66,6 +66,16 @@ enum Expected {
     },
 }
 
+#[derive(Debug, Clone, Serialize, Deserialize, Default)]
+#[serde(rename_all = "snake_case")]
+pub enum SpriteOrientation {
+    ParallelUpright,
+    #[default]
+    VpParallel,
+    Oriented,
+    VpParallelOriented,
+}
+
 #[derive(Debug, Serialize, Deserialize)]
 #[serde(untagged)]
 enum SingleOrTriple<T> {

tests/snapshots/serde__tests__data__game_text.vmt.snap

@@ -0,0 +1,10 @@
+---
+source: tests/serde.rs
+expression: result
+---
+Sprite(
+  r#$spriteorientation: vp_parallel,
+  r#$spriteorigin: (0.5, 0.5),
+  r#$basetexture: "editor/game_text",
+  r#$no_fullbright: true,
+)