Implement DOMStringMap

components/script/dom/domstringmap.rs

@@ -0,0 +1,62 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use dom::bindings::cell::DOMRefCell;
+use dom::bindings::codegen::Bindings::DOMStringMapBinding;
+use dom::bindings::codegen::Bindings::DOMStringMapBinding::DOMStringMapMethods;
+use dom::bindings::global::GlobalRef;
+use dom::bindings::js::{JSRef, Temporary};
+use dom::bindings::utils::{Reflectable, Reflector, reflect_dom_object};
+use servo_util::str::DOMString;
+
+use std::collections::hashmap::HashMap;
+
+#[dom_struct]
+pub struct DOMStringMap {
+    map: DOMRefCell<HashMap<DOMString, DOMString>>,
+    reflector_: Reflector,
+}
+
+impl DOMStringMap {
+    fn new_inherited() -> DOMStringMap {
+        DOMStringMap {
+            map: DOMRefCell::new(HashMap::new()),
+            reflector_: Reflector::new(),
+        }
+    }
+
+    pub fn new(global: &GlobalRef) -> Temporary<DOMStringMap> {
+        reflect_dom_object(box DOMStringMap::new_inherited(),
+                           global, DOMStringMapBinding::Wrap)
+    }
+}
+
+impl<'a> DOMStringMapMethods for JSRef<'a, DOMStringMap> {
+    fn NamedCreator(self, name: DOMString, value: DOMString) {
+        self.map.borrow_mut().insert(name, value);
+    }
+
+    fn NamedSetter(self, name: DOMString, value: DOMString) {
+        self.map.borrow_mut().insert(name, value);
+    }
+
+    fn NamedGetter(self, name: DOMString, found: &mut bool) -> DOMString {
+        match self.map.borrow().find(&name) {
+            Some(value) => {
+                *found = true;
+                value.clone()
+            },
+            None => {
+                *found = false;
+                String::new()
+            }
+        }
+    }
+}
+
+impl Reflectable for DOMStringMap {
+    fn reflector<'a>(&'a self) -> &'a Reflector {
+        &self.reflector_
+    }
+}