87 lines
3.7 KiB
C
87 lines
3.7 KiB
C
/*
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* This file is part of the COMROGUE Operating System for Raspberry Pi
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*
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* Copyright (c) 2013, Eric J. Bowersox / Erbosoft Enterprises
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* All rights reserved.
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*
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* This program is free for commercial and non-commercial use as long as the following conditions are
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* adhered to.
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*
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* Copyright in this file remains Eric J. Bowersox and/or Erbosoft, and as such any copyright notices
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* in the code are not to be removed.
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*
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* Redistribution and use in source and binary forms, with or without modification, are permitted
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* provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this list of conditions and
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* the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
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* the following disclaimer in the documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* "Raspberry Pi" is a trademark of the Raspberry Pi Foundation.
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*/
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#ifndef __OBJHELP_H_INCLUDED
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#define __OBJHELP_H_INCLUDED
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#ifndef __ASM__
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#include <comrogue/compiler_macros.h>
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#include <comrogue/objectbase.h>
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#include <comrogue/connpoint.h>
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#include <comrogue/allocator.h>
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#include <comrogue/stream.h>
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/*------------------------------------------------
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* Generic fixed connection point data structure.
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*------------------------------------------------
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*/
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typedef struct tagFIXEDCPDATA
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{
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IConnectionPoint connectionPointInterface; /* the connection point interface */
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PUNKNOWN punkOuter; /* outer unknown used for reference counts */
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REFIID riidConnection; /* IID of outgoing interface for this connection point */
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IUnknown **ppSlots; /* pointer to actual slots used for connection point storage */
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INT32 ncpSize; /* number of connection points actually connected */
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INT32 ncpCapacity; /* maximum number of connection points connectable */
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} FIXEDCPDATA, *PFIXEDCPDATA;
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/*---------------------
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* Function prototypes
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*---------------------
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*/
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CDECL_BEGIN
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/* QueryInterface helpers */
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extern HRESULT ObjHlpStandardQueryInterface_IConnectionPoint(IUnknown *pThis, REFIID riid, PPVOID ppvObject);
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extern HRESULT ObjHlpStandardQueryInterface_IMalloc(IUnknown *pThis, REFIID riid, PPVOID ppvObject);
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extern HRESULT ObjHlpStandardQueryInterface_ISequentialStream(IUnknown *pThis, REFIID riid, PPVOID ppvObject);
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/* AddRef/Release helpers */
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extern UINT32 ObjHlpStaticAddRefRelease(IUnknown *pThis);
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/* Connection point helpers */
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extern void ObjHlpFixedCpSetup(PFIXEDCPDATA pData, PUNKNOWN punkOuter, REFIID riidConnection,
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IUnknown **ppSlots, INT32 nSlots);
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extern void ObjHlpFixedCpTeardown(PFIXEDCPDATA pData);
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/* Other helpers */
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extern void ObjHlpDoNothingReturnVoid(IUnknown *pThis);
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extern HRESULT ObjHlpNotImplemented(IUnknown *pThis);
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CDECL_END
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#endif /* __ASM__ */
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#endif /* __OBJHELP_H_INCLUDED */
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