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80 lines
2.1 KiB
C++
80 lines
2.1 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* Implementation of DOMTokenList specified by HTML5.
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*/
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#ifndef nsDOMTokenList_h___
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#define nsDOMTokenList_h___
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#include "nsCOMPtr.h"
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#include "nsDOMString.h"
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#include "nsWrapperCache.h"
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namespace mozilla {
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class ErrorResult;
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namespace dom {
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class Element;
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} // namespace dom
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} // namespace mozilla
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class nsAttrValue;
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class nsIAtom;
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// nsISupports must be on the primary inheritance chain
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// because nsDOMSettableTokenList is traversed by Element.
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class nsDOMTokenList : public nsISupports,
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public nsWrapperCache
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{
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protected:
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typedef mozilla::dom::Element Element;
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsDOMTokenList)
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nsDOMTokenList(Element* aElement, nsIAtom* aAttrAtom);
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void DropReference();
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virtual JSObject* WrapObject(JSContext *cx, JSObject *scope,
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bool *triedToWrap);
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Element* GetParentObject()
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{
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return mElement;
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}
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uint32_t Length();
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void Item(uint32_t aIndex, nsAString& aResult)
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{
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bool found;
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IndexedGetter(aIndex, found, aResult);
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if (!found) {
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SetDOMStringToNull(aResult);
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}
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}
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void IndexedGetter(uint32_t aIndex, bool& aFound, nsAString& aResult);
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bool Contains(const nsAString& aToken, mozilla::ErrorResult& aError);
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void Add(const nsAString& aToken, mozilla::ErrorResult& aError);
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void Remove(const nsAString& aToken, mozilla::ErrorResult& aError);
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bool Toggle(const nsAString& aToken, mozilla::ErrorResult& aError);
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void Stringify(nsAString& aResult);
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protected:
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virtual ~nsDOMTokenList();
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nsresult CheckToken(const nsAString& aStr);
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void AddInternal(const nsAttrValue* aAttr, const nsAString& aToken);
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void RemoveInternal(const nsAttrValue* aAttr, const nsAString& aToken);
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inline const nsAttrValue* GetParsedAttr();
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Element* mElement;
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nsCOMPtr<nsIAtom> mAttrAtom;
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};
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#endif // nsDOMTokenList_h___
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