simplify resourcetype

crates/dav/src/xml/mod.rs

@@ -1,4 +1,5 @@
 pub mod multistatus;
+mod resourcetype;
 pub mod tag_list;
 pub mod tag_name;
 
@@ -7,6 +8,8 @@ pub use multistatus::MultistatusElement;
 pub use tag_list::TagList;
 pub use tag_name::TagName;
 
+pub use resourcetype::Resourcetype;
+
 use serde::{Deserialize, Serialize};
 
 #[derive(Debug, Clone, Deserialize, Serialize, From, PartialEq)]

crates/dav/src/xml/resourcetype.rs

@@ -0,0 +1,46 @@
+use serde::de::{MapAccess, Visitor};
+use serde::ser::SerializeMap;
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, PartialEq)]
+pub struct Resourcetype(pub &'static [&'static str]);
+
+struct ResourcetypeVisitor;
+
+impl<'de> Visitor<'de> for ResourcetypeVisitor {
+    type Value = Resourcetype;
+
+    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
+        formatter.write_str("TagList")
+    }
+
+    fn visit_map<A>(self, mut map: A) -> Result<Self::Value, A::Error>
+    where
+        A: MapAccess<'de>,
+    {
+        while map.next_key::<String>()?.is_some() {}
+        Ok(Resourcetype(&[]))
+    }
+}
+
+impl<'de> Deserialize<'de> for Resourcetype {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+    where
+        D: serde::Deserializer<'de>,
+    {
+        deserializer.deserialize_map(ResourcetypeVisitor)
+    }
+}
+
+impl Serialize for Resourcetype {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: serde::Serializer,
+    {
+        let mut map = serializer.serialize_map(Some(self.0.len()))?;
+        for entry in self.0 {
+            map.serialize_entry(entry, &())?;
+        }
+        map.end()
+    }
+}