зеркало из https://github.com/mozilla/gecko-dev.git
76 строки
2.4 KiB
C++
76 строки
2.4 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_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;
|
|
class txXPathNode;
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
class XPathResult;
|
|
|
|
/**
|
|
* A class for evaluating an XPath expression string
|
|
*/
|
|
class XPathExpression MOZ_FINAL : public NonRefcountedDOMObject
|
|
{
|
|
public:
|
|
XPathExpression(nsAutoPtr<Expr>&& aExpression, txResultRecycler* aRecycler,
|
|
nsIDocument *aDocument);
|
|
~XPathExpression();
|
|
|
|
JSObject* WrapObject(JSContext* aCx, bool* aTookOwnership)
|
|
{
|
|
return XPathExpressionBinding::Wrap(aCx, this, aTookOwnership);
|
|
}
|
|
|
|
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;
|
|
nsRefPtr<txResultRecycler> mRecycler;
|
|
nsWeakPtr mDocument;
|
|
bool mCheckDocument;
|
|
};
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
#endif /* mozilla_dom_XPathExpression_h */
|