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81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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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#ifndef mozilla_dom_XPathEvaluator_h
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#define mozilla_dom_XPathEvaluator_h
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#include "nsIDOMXPathEvaluator.h"
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#include "nsIWeakReference.h"
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#include "nsAutoPtr.h"
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#include "nsString.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/ErrorResult.h"
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#include "nsIDocument.h"
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class nsINode;
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class txResultRecycler;
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namespace mozilla {
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namespace dom {
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class GlobalObject;
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class XPathExpression;
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class XPathResult;
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/**
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* A class for evaluating an XPath expression string
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*/
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class XPathEvaluator MOZ_FINAL : public nsIDOMXPathEvaluator
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{
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~XPathEvaluator();
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public:
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XPathEvaluator(nsIDocument* aDocument = nullptr);
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NS_DECL_ISUPPORTS
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// nsIDOMXPathEvaluator interface
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NS_DECL_NSIDOMXPATHEVALUATOR
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// WebIDL API
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JSObject* WrapObject(JSContext* aCx);
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nsIDocument* GetParentObject()
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{
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nsCOMPtr<nsIDocument> doc = do_QueryReferent(mDocument);
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return doc;
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}
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static already_AddRefed<XPathEvaluator>
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Constructor(const GlobalObject& aGlobal, ErrorResult& rv);
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XPathExpression*
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CreateExpression(const nsAString& aExpression,
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nsIDOMXPathNSResolver* aResolver,
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ErrorResult& rv);
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already_AddRefed<nsIDOMXPathNSResolver>
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CreateNSResolver(nsINode* aNodeResolver, ErrorResult& rv);
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already_AddRefed<XPathResult>
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Evaluate(JSContext* aCx, const nsAString& aExpression,
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nsINode* aContextNode, nsIDOMXPathNSResolver* aResolver,
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uint16_t aType, JS::Handle<JSObject*> aResult,
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ErrorResult& rv);
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private:
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nsWeakPtr mDocument;
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nsRefPtr<txResultRecycler> mRecycler;
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};
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inline nsISupports*
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ToSupports(XPathEvaluator* e)
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{
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return static_cast<nsIDOMXPathEvaluator*>(e);
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}
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/* d0a75e02-b5e7-11d5-a7f2-df109fb8a1fc */
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#define TRANSFORMIIX_XPATH_EVALUATOR_CID \
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{ 0xd0a75e02, 0xb5e7, 0x11d5, { 0xa7, 0xf2, 0xdf, 0x10, 0x9f, 0xb8, 0xa1, 0xfc } }
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} // namespace dom
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} // namespace mozilla
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#endif /* mozilla_dom_XPathEvaluator_h */
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