Created util.rs

src/utils.rs

@@ -0,0 +1,39 @@
+///! Some utility functions
+
+use minidom::Element;
+
+/// 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> {
+    let searched_name = searched_name.as_ref();
+    let mut elems: Vec<&Element> = Vec::new();
+
+    for el in root.children() {
+        if el.name() == searched_name {
+            elems.push(el);
+        } else {
+            let ret = find_elems(el, searched_name);
+            elems.extend(ret);
+        }
+    }
+    elems
+}
+
+/// Walks an XML tree until it finds an elements with the given name
+pub fn find_elem<S: AsRef<str>>(root: &Element, searched_name: S) -> Option<&Element> {
+    let searched_name = searched_name.as_ref();
+    if root.name() == searched_name {
+        return Some(root);
+    }
+
+    for el in root.children() {
+        if el.name() == searched_name {
+            return Some(el);
+        } else {
+            let ret = find_elem(el, searched_name);
+            if ret.is_some() {
+                return ret;
+            }
+        }
+    }
+    None
+}