Separate the DOM and layout into separate crates.

src/components/script/dom/htmlcollection.rs

@@ -0,0 +1,47 @@
+/* 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::utils::WrapperCache;
+use dom::bindings::utils::{DOMString, ErrorResult};
+use dom::node::{AbstractNode, ScriptView};
+
+use js::jsapi::{JSObject, JSContext};
+
+pub struct HTMLCollection {
+    elements: ~[AbstractNode<ScriptView>],
+    wrapper: WrapperCache
+}
+
+pub impl HTMLCollection {
+    fn new(elements: ~[AbstractNode<ScriptView>]) -> @mut HTMLCollection {
+        let collection = @mut HTMLCollection {
+            elements: elements,
+            wrapper: WrapperCache::new()
+        };
+        collection.init_wrapper();
+        collection
+    }
+    
+    fn Length(&self) -> u32 {
+        self.elements.len() as u32
+    }
+
+    fn Item(&self, index: u32) -> Option<AbstractNode<ScriptView>> {
+        if index < self.Length() {
+            Some(self.elements[index])
+        } else {
+            None
+        }
+    }
+
+    fn NamedItem(&self, _cx: *JSContext, _name: DOMString, rv: &mut ErrorResult) -> *JSObject {
+        *rv = Ok(());
+        ptr::null()
+    }
+
+    fn IndexedGetter(&self, index: u32, found: &mut bool) -> Option<AbstractNode<ScriptView>> {
+        *found = true;
+        self.Item(index)
+    }
+}