gecko-dev/dom/xml/ProcessingInstruction.h

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2.6 KiB
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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_ProcessingInstruction_h
#define mozilla_dom_ProcessingInstruction_h
#include "mozilla/Attributes.h"
#include "mozilla/dom/CharacterData.h"
#include "nsAString.h"
#include "nsStyleLinkElement.h"
class nsIPrincipal;
class nsIURI;
namespace mozilla {
namespace dom {
class ProcessingInstruction : public CharacterData
, public nsStyleLinkElement
{
public:
ProcessingInstruction(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
const nsAString& aData);
// nsISupports. We need to declare QI, because nsStyleLinkElement
// has a pure-virtual QI.
NS_DECL_ISUPPORTS_INHERITED
virtual already_AddRefed<CharacterData>
CloneDataNode(mozilla::dom::NodeInfo *aNodeInfo,
bool aCloneText) const override;
#ifdef DEBUG
virtual void List(FILE* out, int32_t aIndent) const override;
virtual void DumpContent(FILE* out, int32_t aIndent, bool aDumpAll) const override;
#endif
// WebIDL API
void GetTarget(nsAString& aTarget)
{
aTarget = NodeName();
}
NS_IMPL_FROMNODE_HELPER(ProcessingInstruction, IsProcessingInstruction())
protected:
virtual ~ProcessingInstruction();
/**
* This will parse the content of the PI, to extract the value of the pseudo
* attribute with the name specified in aName. See
* http://www.w3.org/TR/xml-stylesheet/#NT-StyleSheetPI for the specification
* which is used to parse the content of the PI.
*
* @param aName the name of the attribute to get the value for
* @param aValue [out] the value for the attribute with name specified in
* aAttribute. Empty if the attribute isn't present.
*/
bool GetAttrValue(nsAtom *aName, nsAString& aValue);
virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
// nsStyleLinkElement overrides, because we can't leave them pure virtual.
Maybe<SheetInfo> GetStyleSheetInfo() override;
};
} // namespace dom
} // namespace mozilla
/**
* aNodeInfoManager must not be null.
*/
already_AddRefed<mozilla::dom::ProcessingInstruction>
NS_NewXMLProcessingInstruction(nsNodeInfoManager *aNodeInfoManager,
const nsAString& aTarget,
const nsAString& aData);
#endif // mozilla_dom_ProcessingInstruction_h