зеркало из https://github.com/mozilla/gecko-dev.git
82 строки
2.3 KiB
C++
82 строки
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 nsXULTemplateResultRDF_h__
|
|
#define nsXULTemplateResultRDF_h__
|
|
|
|
#include "nsCOMPtr.h"
|
|
#include "nsIRDFResource.h"
|
|
#include "nsXULTemplateQueryProcessorRDF.h"
|
|
#include "nsRDFQuery.h"
|
|
#include "nsRuleNetwork.h"
|
|
#include "nsIXULTemplateResult.h"
|
|
#include "nsRDFBinding.h"
|
|
#include "mozilla/Attributes.h"
|
|
|
|
/**
|
|
* A single result of a query on an RDF graph
|
|
*/
|
|
class nsXULTemplateResultRDF final : public nsIXULTemplateResult
|
|
{
|
|
public:
|
|
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
|
|
NS_DECL_CYCLE_COLLECTION_CLASS(nsXULTemplateResultRDF)
|
|
|
|
NS_DECL_NSIXULTEMPLATERESULT
|
|
|
|
explicit nsXULTemplateResultRDF(nsIRDFResource* aNode);
|
|
|
|
nsXULTemplateResultRDF(nsRDFQuery* aQuery,
|
|
const Instantiation& aInst,
|
|
nsIRDFResource* aNode);
|
|
|
|
nsITemplateRDFQuery* Query() { return mQuery; }
|
|
|
|
nsXULTemplateQueryProcessorRDF* GetProcessor()
|
|
{
|
|
return (mQuery ? mQuery->Processor() : nullptr);
|
|
}
|
|
|
|
/**
|
|
* Get the value of a variable, first by looking in the assignments and
|
|
* then the bindings
|
|
*/
|
|
void
|
|
GetAssignment(nsIAtom* aVar, nsIRDFNode** aValue);
|
|
|
|
/**
|
|
* Synchronize the bindings after a change in the RDF graph. Bindings that
|
|
* would be affected will be assigned appropriately based on the change.
|
|
*/
|
|
bool
|
|
SyncAssignments(nsIRDFResource* aSubject,
|
|
nsIRDFResource* aPredicate,
|
|
nsIRDFNode* aTarget);
|
|
|
|
/**
|
|
* Return true if the result has an instantiation involving a particular
|
|
* memory element.
|
|
*/
|
|
bool
|
|
HasMemoryElement(const MemoryElement& aMemoryElement);
|
|
|
|
protected:
|
|
~nsXULTemplateResultRDF();
|
|
|
|
// query that generated the result
|
|
nsCOMPtr<nsITemplateRDFQuery> mQuery;
|
|
|
|
// resource node
|
|
nsCOMPtr<nsIRDFResource> mNode;
|
|
|
|
// data computed from query
|
|
Instantiation mInst;
|
|
|
|
// extra assignments made by rules (<binding> tags)
|
|
nsBindingValues mBindingValues;
|
|
};
|
|
|
|
#endif // nsXULTemplateResultRDF_h__
|