content/xul/templates/src/nsRDFQuery.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #include "nscore.h"
michael@0 7 #include "nsCOMPtr.h"
michael@0 8
michael@0 9 #include "nsXULTemplateQueryProcessorRDF.h"
michael@0 10 #include "nsRDFQuery.h"
michael@0 11
michael@0 12 NS_IMPL_CYCLE_COLLECTION(nsRDFQuery, mQueryNode)
michael@0 13
michael@0 14 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsRDFQuery)
michael@0 15 NS_INTERFACE_MAP_ENTRY(nsITemplateRDFQuery)
michael@0 16 NS_INTERFACE_MAP_ENTRY(nsISupports)
michael@0 17 NS_INTERFACE_MAP_END
michael@0 18
michael@0 19 NS_IMPL_CYCLE_COLLECTING_ADDREF(nsRDFQuery)
michael@0 20 NS_IMPL_CYCLE_COLLECTING_RELEASE(nsRDFQuery)
michael@0 21
michael@0 22 void
michael@0 23 nsRDFQuery::Finish()
michael@0 24 {
michael@0 25 // the template builder is going away and the query processor likely as
michael@0 26 // well. Clear the reference to avoid calling it.
michael@0 27 mProcessor = nullptr;
michael@0 28 mCachedResults = nullptr;
michael@0 29 }
michael@0 30
michael@0 31 nsresult
michael@0 32 nsRDFQuery::SetCachedResults(nsXULTemplateQueryProcessorRDF* aProcessor,
michael@0 33 const InstantiationSet& aInstantiations)
michael@0 34 {
michael@0 35 mCachedResults = new nsXULTemplateResultSetRDF(aProcessor, this, &aInstantiations);
michael@0 36 if (! mCachedResults)
michael@0 37 return NS_ERROR_OUT_OF_MEMORY;
michael@0 38
michael@0 39 return NS_OK;
michael@0 40 }
michael@0 41
michael@0 42
michael@0 43 void
michael@0 44 nsRDFQuery::UseCachedResults(nsISimpleEnumerator** aResults)
michael@0 45 {
michael@0 46 *aResults = mCachedResults;
michael@0 47 NS_IF_ADDREF(*aResults);
michael@0 48
michael@0 49 mCachedResults = nullptr;
michael@0 50 }

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