RetroZilla/xpfe/bootstrap/appleevents/nsAEClassDispatcher.h
2015-10-20 23:03:22 -04:00

131 lines
4.1 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Simon Fraser <sfraser@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef __AECLASSDISPATCHER__
#define __AECLASSDISPATCHER__
#include "patricia.h"
// this class is used to dispatch calls to handlers on the basis of their class. It avoids
// us having to switch on the class in the code.
class AEGenericClass;
class AEDispatchHandler
{
public:
AEDispatchHandler(DescType handlerClass, AEGenericClass* handler, Boolean deleteOnRemove = true);
~AEDispatchHandler();
void DispatchEvent( AEDesc * token,
const AppleEvent * appleEvent,
AppleEvent * reply);
void GetProperty( DescType desiredClass,
const AEDesc* containerToken,
DescType containerClass,
DescType keyForm,
const AEDesc* keyData,
AEDesc* resultToken);
void GetDataFromListOrObject( const AEDesc * tokenOrTokenList,
AEDesc * desiredTypes,
AEDesc * data);
void GetItemFromContainer( DescType desiredClass,
const AEDesc* containerToken,
DescType containerClass,
DescType keyForm,
const AEDesc* keyData,
AEDesc* resultToken);
void CompareObjects( DescType comparisonOperator,
const AEDesc * object,
const AEDesc * descriptorOrObject,
Boolean * result);
void CountObjects( DescType desiredType,
DescType containerClass,
const AEDesc * container,
long * result);
void CreateSelfSpecifier( const AEDesc * token,
AEDesc * outSpecifier);
protected:
Boolean mDeleteHandler;
DescType mHandlerClass;
AEGenericClass* mHandler;
};
class AEDispatchTree
{
public:
AEDispatchTree();
~AEDispatchTree();
void InsertHandler(DescType handlerClass, AEGenericClass *handler, Boolean isDuplicate = false);
AEDispatchHandler* FindHandler(DescType handlerClass);
protected:
enum {
kDuplicateKeyError = 750
};
static int FreeDispatchTreeNodeData(void *nodeData, unsigned char *key, void *refCon);
static int ReplaceDispatchTreeNode(void *nodeData, unsigned char *key, void *replaceData);
protected:
PatriciaTreeRef mTree;
};
#endif /* __AECLASSDISPATCHER__ */