Ignore attributes when looking for scalar values

instant-xml/src/de.rs

@@ -31,12 +31,15 @@ impl<'cx, 'xml> Deserializer<'cx, 'xml> {
     }
 
     pub fn take_str(&mut self) -> Result<Option<&'xml str>, Error> {
-        match self.next() {
-            Some(Ok(Node::AttributeValue(s))) => Ok(Some(s)),
-            Some(Ok(Node::Text(s))) => Ok(Some(s)),
-            Some(Ok(node)) => Err(Error::ExpectedScalar(format!("{node:?}"))),
-            Some(Err(e)) => Err(e),
-            None => Ok(None),
+        loop {
+            match self.next() {
+                Some(Ok(Node::AttributeValue(s))) => return Ok(Some(s)),
+                Some(Ok(Node::Text(s))) => return Ok(Some(s)),
+                Some(Ok(Node::Attribute(_))) => continue,
+                Some(Ok(node)) => return Err(Error::ExpectedScalar(format!("{node:?}"))),
+                Some(Err(e)) => return Err(e),
+                None => return Ok(None),
+            }
         }
     }
 

instant-xml/tests/scalar.rs

@@ -74,3 +74,21 @@ fn scalars() {
         })
     );
 }
+
+#[derive(Debug, FromXml, PartialEq)]
+struct ScalarElementAttr {
+    s: String,
+}
+
+#[test]
+fn scalar_element_attr() {
+    assert_eq!(
+        from_str::<ScalarElementAttr>(
+            "<ScalarElementAttr><s lang=\"en\">hello</s></ScalarElementAttr>"
+        )
+        .unwrap(),
+        ScalarElementAttr {
+            s: "hello".to_string(),
+        }
+    );
+}