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113 lines
3.6 KiB
C++
Executable File
113 lines
3.6 KiB
C++
Executable File
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Neil Deakin
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsXULTemplateResultRDF_h__
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#define nsXULTemplateResultRDF_h__
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#include "nsCOMPtr.h"
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#include "nsIRDFResource.h"
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#include "nsXULTemplateQueryProcessorRDF.h"
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#include "nsRDFQuery.h"
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#include "nsRuleNetwork.h"
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#include "nsIXULTemplateResult.h"
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#include "nsRDFBinding.h"
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/**
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* A single result of a query on an RDF graph
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*/
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class nsXULTemplateResultRDF : public nsIXULTemplateResult
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_CLASS(nsXULTemplateResultRDF)
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NS_DECL_NSIXULTEMPLATERESULT
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nsXULTemplateResultRDF(nsIRDFResource* aNode);
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nsXULTemplateResultRDF(nsRDFQuery* aQuery,
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const Instantiation& aInst,
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nsIRDFResource* aNode);
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~nsXULTemplateResultRDF();
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nsITemplateRDFQuery* Query() { return mQuery; }
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nsXULTemplateQueryProcessorRDF* GetProcessor()
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{
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return (mQuery ? mQuery->Processor() : nsnull);
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}
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/**
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* Get the value of a variable, first by looking in the assignments and
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* then the bindings
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*/
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void
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GetAssignment(nsIAtom* aVar, nsIRDFNode** aValue);
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/**
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* Synchronize the bindings after a change in the RDF graph. Bindings that
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* would be affected will be assigned appropriately based on the change.
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*/
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PRBool
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SyncAssignments(nsIRDFResource* aSubject,
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nsIRDFResource* aPredicate,
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nsIRDFNode* aTarget);
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/**
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* Return true if the result has an instantiation involving a particular
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* memory element.
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*/
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PRBool
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HasMemoryElement(const MemoryElement& aMemoryElement);
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protected:
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// query that generated the result
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nsCOMPtr<nsITemplateRDFQuery> mQuery;
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// resource node
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nsCOMPtr<nsIRDFResource> mNode;
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// data computed from query
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Instantiation mInst;
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// extra assignments made by rules (<binding> tags)
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nsBindingValues mBindingValues;
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};
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#endif // nsXULTemplateResultRDF_h__
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