CFPlugInCOM.h

/*
     File:       CFPlugInCOM.h
 
     Contains:   CoreFoundation plugins
 
     Version:    Technology: Mac OS X
                 Release:    Universal Interfaces 3.4
 
     Copyright:  © 1999-2001 by Apple Computer, Inc., all rights reserved
 
     Bugs?:      For bug reports, consult the following page on
                 the World Wide Web:
 
                     http://developer.apple.com/bugreporter/
 
*/
#ifndef __CFPLUGINCOM__
#define __CFPLUGINCOM__

#ifndef __CFPLUGIN__
#include <CFPlugIn.h>
#endif




#if PRAGMA_ONCE
#pragma once
#endif

#ifdef __cplusplus
extern "C" {
#endif

#if PRAGMA_IMPORT
#pragma import on
#endif

#if PRAGMA_STRUCT_ALIGN
    #pragma options align=mac68k
#elif PRAGMA_STRUCT_PACKPUSH
    #pragma pack(push, 2)
#elif PRAGMA_STRUCT_PACK
    #pragma pack(2)
#endif

/* ================= IUnknown definition (C struct) ================= */

/* All interface structs must have an IUnknownStruct at the beginning. */
/* The _reserved field is part of the Microsoft COM binary standard on Macintosh. */
/* You can declare new C struct interfaces by defining a new struct that includes "IUNKNOWN_C_GUTS;" before the first field of the struct. */

typedef SInt32 HRESULT;
typedef UInt32 ULONG;
typedef void *LPVOID;
typedef CFUUIDBytes REFIID;

#define SUCCEEDED(Status) ((HRESULT)(Status) >= 0)
#define FAILED(Status) ((HRESULT)(Status)<0)


/* Macros for more detailed HRESULT analysis */
#define IS_ERROR(Status) ((unsigned long)(Status) >> 31 == SEVERITY_ERROR)
#define HRESULT_CODE(hr) ((hr) & 0xFFFF)
#define HRESULT_FACILITY(hr) (((hr) >> 16) & 0x1fff)
#define HRESULT_SEVERITY(hr) (((hr) >> 31) & 0x1)
#define SEVERITY_SUCCESS 0
#define SEVERITY_ERROR 1


/* Creating an HRESULT from its component pieces */
#define MAKE_HRESULT(sev,fac,code) ((HRESULT) (((unsigned long)(sev)<<31) | ((unsigned long)(fac)<<16) | ((unsigned long)(code))) )

/* Pre-defined success HRESULTS */
#define S_OK ((HRESULT)0x00000000L)
#define S_FALSE ((HRESULT)0x00000001L)


/* Common error HRESULTS */
#define E_UNEXPECTED ((HRESULT)0x8000FFFFL)
#define E_NOTIMPL ((HRESULT)0x80000001L)
#define E_OUTOFMEMORY ((HRESULT)0x80000002L)
#define E_INVALIDARG ((HRESULT)0x80000003L)
#define E_NOINTERFACE ((HRESULT)0x80000004L)
#define E_POINTER ((HRESULT)0x80000005L)
#define E_HANDLE ((HRESULT)0x80000006L)
#define E_ABORT ((HRESULT)0x80000007L)
#define E_FAIL ((HRESULT)0x80000008L)
#define E_ACCESSDENIED ((HRESULT)0x80000009L)


/* This macro should be used when defining all interface functions (as it is for the IUnknown functions below). */
#define STDMETHODCALLTYPE

/* The __RPC_FAR macro is for COM source compatibility only. This macro is used a lot in COM interface definitions.  If your CFPlugIn interfaces need to be COM interfaces as well, you can use this macro to get better source compatibility.  It is not used in the IUnknown definition below, because when doing COM, you will be using the Microsoft supplied IUnknown interface anyway. */
#define __RPC_FAR


/* The IUnknown interface */
#define IUnknownUUID CFUUIDGetConstantUUIDWithBytes(NULL, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46)

#define IUNKNOWN_C_GUTS \
    void *_reserved; \
    HRESULT (STDMETHODCALLTYPE *QueryInterface)(void *thisPointer, REFIID iid, LPVOID *ppv); \
    ULONG (STDMETHODCALLTYPE *AddRef)(void *thisPointer); \
    ULONG (STDMETHODCALLTYPE *Release)(void *thisPointer)

typedef struct IUnknownVTbl {
    IUNKNOWN_C_GUTS;
} IUnknownVTbl;


#if PRAGMA_STRUCT_ALIGN
    #pragma options align=reset
#elif PRAGMA_STRUCT_PACKPUSH
    #pragma pack(pop)
#elif PRAGMA_STRUCT_PACK
    #pragma pack()
#endif

#ifdef PRAGMA_IMPORT_OFF
#pragma import off
#elif PRAGMA_IMPORT
#pragma import reset
#endif

#ifdef __cplusplus
}
#endif

#endif /* __CFPLUGINCOM__ */