/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* 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/. */ #ifndef mozilla_dom_XPathExpression_h #define mozilla_dom_XPathExpression_h #include "nsAutoPtr.h" #include "nsCycleCollectionParticipant.h" #include "nsIWeakReferenceUtils.h" #include "mozilla/Attributes.h" #include "mozilla/dom/NonRefcountedDOMObject.h" #include "mozilla/dom/XPathExpressionBinding.h" class Expr; class nsIDocument; class nsINode; class txResultRecycler; namespace mozilla { namespace dom { class XPathResult; /** * A class for evaluating an XPath expression string */ class XPathExpression final : public NonRefcountedDOMObject { public: XPathExpression(nsAutoPtr<Expr>&& aExpression, txResultRecycler* aRecycler, nsIDocument *aDocument); ~XPathExpression(); bool WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector) { return XPathExpressionBinding::Wrap(aCx, this, aGivenProto, aReflector); } already_AddRefed<XPathResult> Evaluate(JSContext* aCx, nsINode& aContextNode, uint16_t aType, JS::Handle<JSObject*> aInResult, ErrorResult& aRv) { return EvaluateWithContext(aCx, aContextNode, 1, 1, aType, aInResult, aRv); } already_AddRefed<XPathResult> EvaluateWithContext(JSContext* aCx, nsINode& aContextNode, uint32_t aContextPosition, uint32_t aContextSize, uint16_t aType, JS::Handle<JSObject*> aInResult, ErrorResult& aRv); already_AddRefed<XPathResult> Evaluate(nsINode& aContextNode, uint16_t aType, XPathResult* aInResult, ErrorResult& aRv) { return EvaluateWithContext(aContextNode, 1, 1, aType, aInResult, aRv); } already_AddRefed<XPathResult> EvaluateWithContext(nsINode& aContextNode, uint32_t aContextPosition, uint32_t aContextSize, uint16_t aType, XPathResult* aInResult, ErrorResult& aRv); private: nsAutoPtr<Expr> mExpression; RefPtr<txResultRecycler> mRecycler; nsWeakPtr mDocument; bool mCheckDocument; }; } // namespace dom } // namespace mozilla #endif /* mozilla_dom_XPathExpression_h */