gecko-dev/dom/xslt/xpath/XPathEvaluator.h
Peter Van der Beken efa5f7d65a Bug 1029104 - Convert XPathExpression to WebIDL bindings, add WebIDL API and switch to the WebIDL binding. r=bz.
--HG--
extra : rebase_source : 2b3459ddf41e258469c31e0e7c4d515ef7a7c83f
2014-06-27 21:39:50 +02:00

81 lines
2.3 KiB
C++

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