Made Url serde-compatible

src/utils.rs

@@ -1,6 +1,7 @@
 ///! Some utility functions
 
 use minidom::Element;
+use serde::Deserialize;
 
 /// Walks an XML tree and returns every element that has the given name
 pub fn find_elems<S: AsRef<str>>(root: &Element, searched_name: S) -> Vec<&Element> {
@@ -50,3 +51,27 @@ pub fn print_xml(element: &Element) {
 
     writer.write(&[0x0a]);
 }
+
+
+/// Used to (de)serialize url::Url
+pub mod url_serde{
+    use super::*;
+
+    pub fn deserialize<'de, D>(deserializer: D) -> Result<url::Url, D::Error>
+    where
+        D: serde::de::Deserializer<'de>
+    {
+        let s = String::deserialize(deserializer)?;
+        match url::Url::parse(&s) {
+            Ok(u) => Ok(u),
+            Err(_) => { return Err(serde::de::Error::invalid_value(serde::de::Unexpected::Str(&s), &"Expected an url")); }
+        }
+    }
+
+    pub fn serialize<S>(u: &url::Url, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: serde::ser::Serializer,
+    {
+        serializer.serialize_str( u.as_str() )
+    }
+}