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131 lines
4.1 KiB
C++
131 lines
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 Communicator client code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Simon Fraser <sfraser@netscape.com>
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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 __AECLASSDISPATCHER__
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#define __AECLASSDISPATCHER__
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#include "patricia.h"
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// this class is used to dispatch calls to handlers on the basis of their class. It avoids
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// us having to switch on the class in the code.
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class AEGenericClass;
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class AEDispatchHandler
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{
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public:
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AEDispatchHandler(DescType handlerClass, AEGenericClass* handler, Boolean deleteOnRemove = true);
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~AEDispatchHandler();
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void DispatchEvent( AEDesc * token,
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const AppleEvent * appleEvent,
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AppleEvent * reply);
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void GetProperty( DescType desiredClass,
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const AEDesc* containerToken,
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DescType containerClass,
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DescType keyForm,
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const AEDesc* keyData,
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AEDesc* resultToken);
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void GetDataFromListOrObject( const AEDesc * tokenOrTokenList,
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AEDesc * desiredTypes,
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AEDesc * data);
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void GetItemFromContainer( DescType desiredClass,
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const AEDesc* containerToken,
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DescType containerClass,
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DescType keyForm,
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const AEDesc* keyData,
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AEDesc* resultToken);
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void CompareObjects( DescType comparisonOperator,
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const AEDesc * object,
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const AEDesc * descriptorOrObject,
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Boolean * result);
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void CountObjects( DescType desiredType,
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DescType containerClass,
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const AEDesc * container,
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long * result);
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void CreateSelfSpecifier( const AEDesc * token,
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AEDesc * outSpecifier);
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protected:
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Boolean mDeleteHandler;
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DescType mHandlerClass;
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AEGenericClass* mHandler;
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};
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class AEDispatchTree
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{
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public:
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AEDispatchTree();
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~AEDispatchTree();
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void InsertHandler(DescType handlerClass, AEGenericClass *handler, Boolean isDuplicate = false);
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AEDispatchHandler* FindHandler(DescType handlerClass);
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protected:
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enum {
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kDuplicateKeyError = 750
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};
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static int FreeDispatchTreeNodeData(void *nodeData, unsigned char *key, void *refCon);
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static int ReplaceDispatchTreeNode(void *nodeData, unsigned char *key, void *replaceData);
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protected:
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PatriciaTreeRef mTree;
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};
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#endif /* __AECLASSDISPATCHER__ */
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