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99 lines
3.3 KiB
C++
99 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* 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 "nsContentUtils.h"
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#include "nsDOMString.h"
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#include "nsWhitespaceTokenizer.h"
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#include "nsWrapperCache.h"
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#include "mozilla/dom/BindingDeclarations.h"
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#include "mozilla/dom/DOMTokenListSupportedTokens.h"
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namespace mozilla {
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class ErrorResult;
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namespace dom {
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class DocGroup;
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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 nsAtom;
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// nsISupports must be on the primary inheritance chain
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class nsDOMTokenList : public nsISupports, public nsWrapperCache {
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protected:
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using Element = mozilla::dom::Element;
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using DocGroup = mozilla::dom::DocGroup;
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using WhitespaceTokenizer =
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nsWhitespaceTokenizerTemplate<nsContentUtils::IsHTMLWhitespace>;
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(nsDOMTokenList)
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nsDOMTokenList(Element* aElement, nsAtom* aAttrAtom,
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const mozilla::dom::DOMTokenListSupportedTokenArray = nullptr);
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virtual JSObject* WrapObject(JSContext* cx,
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JS::Handle<JSObject*> aGivenProto) override;
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Element* GetParentObject() { return mElement; }
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DocGroup* GetDocGroup() const;
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uint32_t Length();
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void Item(uint32_t aIndex, nsAString& aResult) {
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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);
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void Add(const nsAString& aToken, mozilla::ErrorResult& aError);
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void Add(const nsTArray<nsString>& aTokens, mozilla::ErrorResult& aError);
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void Remove(const nsAString& aToken, mozilla::ErrorResult& aError);
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void Remove(const nsTArray<nsString>& aTokens, mozilla::ErrorResult& aError);
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bool Replace(const nsAString& aToken, const nsAString& aNewToken,
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mozilla::ErrorResult& aError);
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bool Toggle(const nsAString& aToken,
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const mozilla::dom::Optional<bool>& force,
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mozilla::ErrorResult& aError);
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bool Supports(const nsAString& aToken, mozilla::ErrorResult& aError);
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void GetValue(nsAString& aResult);
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void SetValue(const nsAString& aValue, mozilla::ErrorResult& rv);
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protected:
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virtual ~nsDOMTokenList();
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void CheckToken(const nsAString& aToken, mozilla::ErrorResult& aRv);
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void CheckTokens(const nsTArray<nsString>& aTokens,
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mozilla::ErrorResult& aRv);
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void AddInternal(const nsAttrValue* aAttr, const nsTArray<nsString>& aTokens);
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void RemoveInternal(const nsAttrValue* aAttr,
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const nsTArray<nsString>& aTokens);
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bool ReplaceInternal(const nsAttrValue* aAttr, const nsAString& aToken,
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const nsAString& aNewToken);
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inline const nsAttrValue* GetParsedAttr();
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nsCOMPtr<Element> mElement;
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RefPtr<nsAtom> mAttrAtom;
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const mozilla::dom::DOMTokenListSupportedTokenArray mSupportedTokens;
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};
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#endif // nsDOMTokenList_h___
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