michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef mozilla_dom_XPathEvaluator_h
michael@0: #define mozilla_dom_XPathEvaluator_h
michael@0: 
michael@0: #include "nsIDOMXPathEvaluator.h"
michael@0: #include "nsIWeakReference.h"
michael@0: #include "nsAutoPtr.h"
michael@0: #include "nsString.h"
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "mozilla/ErrorResult.h"
michael@0: #include "nsIDocument.h"
michael@0: 
michael@0: class nsINode;
michael@0: class txResultRecycler;
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: class GlobalObject;
michael@0: 
michael@0: /**
michael@0:  * A class for evaluating an XPath expression string
michael@0:  */
michael@0: class XPathEvaluator MOZ_FINAL : public nsIDOMXPathEvaluator
michael@0: {
michael@0: public:
michael@0:     XPathEvaluator(nsIDocument* aDocument = nullptr);
michael@0: 
michael@0:     NS_DECL_ISUPPORTS
michael@0: 
michael@0:     // nsIDOMXPathEvaluator interface
michael@0:     NS_DECL_NSIDOMXPATHEVALUATOR
michael@0: 
michael@0:     // WebIDL API
michael@0:     JSObject* WrapObject(JSContext* aCx);
michael@0:     nsIDocument* GetParentObject()
michael@0:     {
michael@0:         nsCOMPtr<nsIDocument> doc = do_QueryReferent(mDocument);
michael@0:         return doc;
michael@0:     }
michael@0:     static already_AddRefed<XPathEvaluator>
michael@0:         Constructor(const GlobalObject& aGlobal, ErrorResult& rv);
michael@0:     already_AddRefed<nsIDOMXPathExpression>
michael@0:         CreateExpression(const nsAString& aExpression,
michael@0:                          nsIDOMXPathNSResolver* aResolver,
michael@0:                          ErrorResult& rv);
michael@0:     already_AddRefed<nsIDOMXPathNSResolver>
michael@0:         CreateNSResolver(nsINode* aNodeResolver, ErrorResult& rv);
michael@0:     already_AddRefed<nsISupports>
michael@0:         Evaluate(const nsAString& aExpression, nsINode* aContextNode,
michael@0:                  nsIDOMXPathNSResolver* aResolver, uint16_t aType,
michael@0:                  nsISupports* aResult, ErrorResult& rv);
michael@0: private:
michael@0:     nsWeakPtr mDocument;
michael@0:     nsRefPtr<txResultRecycler> mRecycler;
michael@0: };
michael@0: 
michael@0: inline nsISupports*
michael@0: ToSupports(XPathEvaluator* e)
michael@0: {
michael@0:     return static_cast<nsIDOMXPathEvaluator*>(e);
michael@0: }
michael@0: 
michael@0: /* d0a75e02-b5e7-11d5-a7f2-df109fb8a1fc */
michael@0: #define TRANSFORMIIX_XPATH_EVALUATOR_CID   \
michael@0: { 0xd0a75e02, 0xb5e7, 0x11d5, { 0xa7, 0xf2, 0xdf, 0x10, 0x9f, 0xb8, 0xa1, 0xfc } }
michael@0: 
michael@0: } // namespace dom
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif /* mozilla_dom_XPathEvaluator_h */