1 files changed, 98 insertions, 0 deletions
diff --git a/dom/base/nsDOMTokenList.h b/dom/base/nsDOMTokenList.h
new file mode 100644
index 0000000000..e2ac5c0224
--- /dev/null
+++ b/dom/base/nsDOMTokenList.h
@@ -0,0 +1,98 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+/*
+ * Implementation of DOMTokenList specified by HTML5.
+ */
+
+#ifndef nsDOMTokenList_h___
+#define nsDOMTokenList_h___
+
+#include "nsCOMPtr.h"
+#include "nsContentUtils.h"
+#include "nsDOMString.h"
+#include "nsWhitespaceTokenizer.h"
+#include "nsWrapperCache.h"
+#include "mozilla/dom/BindingDeclarations.h"
+#include "mozilla/dom/DOMTokenListSupportedTokens.h"
+
+namespace mozilla {
+class ErrorResult;
+namespace dom {
+class DocGroup;
+class Element;
+}  // namespace dom
+}  // namespace mozilla
+
+class nsAttrValue;
+class nsAtom;
+
+// nsISupports must be on the primary inheritance chain
+
+class nsDOMTokenList : public nsISupports, public nsWrapperCache {
+ protected:
+  using Element = mozilla::dom::Element;
+  using DocGroup = mozilla::dom::DocGroup;
+  using WhitespaceTokenizer =
+      nsWhitespaceTokenizerTemplate<nsContentUtils::IsHTMLWhitespace>;
+
+ public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(nsDOMTokenList)
+
+  nsDOMTokenList(Element* aElement, nsAtom* aAttrAtom,
+                 const mozilla::dom::DOMTokenListSupportedTokenArray = nullptr);
+
+  virtual JSObject* WrapObject(JSContext* cx,
+                               JS::Handle<JSObject*> aGivenProto) override;
+
+  Element* GetParentObject() { return mElement; }
+
+  DocGroup* GetDocGroup() const;
+
+  uint32_t Length();
+  void Item(uint32_t aIndex, nsAString& aResult) {
+    bool found;
+    IndexedGetter(aIndex, found, aResult);
+    if (!found) {
+      SetDOMStringToNull(aResult);
+    }
+  }
+  void IndexedGetter(uint32_t aIndex, bool& aFound, nsAString& aResult);
+  bool Contains(const nsAString& aToken);
+  void Add(const nsAString& aToken, mozilla::ErrorResult& aError);
+  void Add(const nsTArray<nsString>& aTokens, mozilla::ErrorResult& aError);
+  void Remove(const nsAString& aToken, mozilla::ErrorResult& aError);
+  void Remove(const nsTArray<nsString>& aTokens, mozilla::ErrorResult& aError);
+  bool Replace(const nsAString& aToken, const nsAString& aNewToken,
+               mozilla::ErrorResult& aError);
+  bool Toggle(const nsAString& aToken,
+              const mozilla::dom::Optional<bool>& force,
+              mozilla::ErrorResult& aError);
+  bool Supports(const nsAString& aToken, mozilla::ErrorResult& aError);
+
+  void GetValue(nsAString& aResult);
+  void SetValue(const nsAString& aValue, mozilla::ErrorResult& rv);
+
+ protected:
+  virtual ~nsDOMTokenList();
+
+  void CheckToken(const nsAString& aToken, mozilla::ErrorResult& aRv);
+  void CheckTokens(const nsTArray<nsString>& aTokens,
+                   mozilla::ErrorResult& aRv);
+  void AddInternal(const nsAttrValue* aAttr, const nsTArray<nsString>& aTokens);
+  void RemoveInternal(const nsAttrValue* aAttr,
+                      const nsTArray<nsString>& aTokens);
+  bool ReplaceInternal(const nsAttrValue* aAttr, const nsAString& aToken,
+                       const nsAString& aNewToken);
+  inline const nsAttrValue* GetParsedAttr();
+
+  nsCOMPtr<Element> mElement;
+  RefPtr<nsAtom> mAttrAtom;
+  const mozilla::dom::DOMTokenListSupportedTokenArray mSupportedTokens;
+};
+
+#endif  // nsDOMTokenList_h___