/* * Copyright (c) 2002 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ /*! * @header CPlugInRef */ #ifndef __CPlugInRef_h__ #define __CPlugInRef_h__ 1 #include "PrivateTypes.h" #include "DSMutexSemaphore.h" typedef void DeallocateProc ( void *inData ); typedef void OperationProc ( void *inData ); class CPlugInRef { enum { kErrItemNotFound = -3020, kErrDuplicateFound = -3021 } eRefErrors; enum { kTableSize = 1024 }; typedef struct sTableEntry { uInt32 fRefNum; uInt32 fTimeStamp; void *fData; sTableEntry *fNext; } sTableEntry; public: CPlugInRef ( DeallocateProc *inProcPtr ); virtual ~CPlugInRef ( void ); sInt32 AddItem ( uInt32 inRefNum, void *inData ); sInt32 RemoveItem ( uInt32 inRefNum ); void* GetItemData ( uInt32 inRefNum ); void DoOnAllItems ( OperationProc *inProcPtr ); private: sTableEntry *fLookupTable[ kTableSize ]; DeallocateProc *fDeallocProcPtr; DSMutexSemaphore fMutex; }; #endif