270 lines
8.5 KiB
C
270 lines
8.5 KiB
C
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//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1995 - 1996.
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//
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// File: iroleutl.h
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//
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// Contents: Definitions of utility stuff for use with Compound Document
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// objects.
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//
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// Classes:
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// CStaticClassFactory
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// CDynamicClassFactory
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//
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// Functions:
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//
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// Macros:
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//
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// History: 26-Feb-96 SSanu adapted from Forms stuff
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//----------------------------------------------------------------------------
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#ifndef _IROLEUTL_HXX_
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#define _IROLEUTL_HXX_
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//---------------------------------------------------------------
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// SCODE and HRESULT macros
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//---------------------------------------------------------------
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#define OK(r) (SUCCEEDED(r))
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#define NOTOK(r) (FAILED(r))
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// {9AAB0270-7181-11cf-BE7A-00AA00577DD6}
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DEFINE_GUID(CLSID_IndexNotify, 0x9aab0270, 0x7181, 0x11cf, 0xbe, 0x7a, 0x0, 0xaa, 0x0, 0x57, 0x7d, 0xd6);
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//
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// {991adb50-b7f1-11cf-86e3-00aa00b4e1b8}
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DEFINE_GUID(CLSID_DSSNotify, 0x991adb50, 0xb7f1, 0x11cf, 0x86, 0xe3, 0x0, 0xaa, 0x0, 0xb4, 0xe1, 0xb8);
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//
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STDAPI _DllRegisterServer(HINSTANCE hInst, LPSTR lpszProgId, REFCLSID clsid);
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STDAPI _DllUnregisterServer(LPSTR lpszProgID, REFCLSID clsid);
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//---------------------------------------------------------------
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// IUnknown
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//---------------------------------------------------------------
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#define IRIncrement(__ul) InterlockedIncrement((long *) &__ul)
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#define IRDecrement(__ul) InterlockedDecrement((long *) &__ul)
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#define DECLARE_IR_IUNKNOWN_METHODS \
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STDMETHOD(QueryInterface) (REFIID riid, LPVOID * ppv); \
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STDMETHOD_(ULONG, AddRef) (void); \
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STDMETHOD_(ULONG, Release) (void);
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#define DECLARE_IR_APTTHREAD_IUNKNOWN \
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STDMETHOD(QueryInterface) (REFIID riid, LPVOID * ppv); \
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ULONG _ulRefs; \
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STDMETHOD_(ULONG, AddRef) (void) \
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{ \
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return ++_ulRefs; \
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} \
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STDMETHOD_(ULONG, Release) (void) \
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{ \
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if (!--_ulRefs) \
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{ \
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delete this; \
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return 0; \
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} \
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return _ulRefs; \
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}
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#define DECLARE_IR_STANDARD_IUNKNOWN(cls) \
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STDMETHOD(QueryInterface) (REFIID riid, LPVOID * ppv); \
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ULONG _ulRefs; \
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STDMETHOD_(ULONG, AddRef) (void) \
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{ \
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IRIncrement(_ulRefs); \
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return _ulRefs; \
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} \
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STDMETHOD_(ULONG, Release) (void) \
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{ \
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if (!IRDecrement(_ulRefs)) \
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{ \
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IRIncrement(_ulRefs); \
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delete this; \
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return 0; \
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} \
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return _ulRefs; \
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}
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//+---------------------------------------------------------------------
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//
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// Miscellaneous useful OLE helper and debugging functions
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//
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//----------------------------------------------------------------------
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#if DBG == 1
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STDAPI CheckAndReturnResult(
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HRESULT hr,
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LPSTR lpstrFile,
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UINT line,
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int cSuccess,
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...);
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STDAPI_(void) CheckResult(HRESULT hr, LPSTR lpstrFile, UINT line);
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STDAPI_(void) PrintIID(DWORD dwFlags, REFIID riid);
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STDAPI PrintHRESULT(DWORD dwFlags, HRESULT hr);
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#define SRETURN(hr) \
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return CheckAndReturnResult((hr), __FILE__, __LINE__, -1)
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#define RRETURN(hr) \
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return CheckAndReturnResult((hr), __FILE__, __LINE__, 0)
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#define RRETURN1(hr, s1) \
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return CheckAndReturnResult((hr), __FILE__, __LINE__, 1, (s1))
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#define RRETURN2(hr, s1, s2) \
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return CheckAndReturnResult((hr), __FILE__, __LINE__, 2, (s1), (s2))
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#define RRETURN3(hr, s1, s2, s3) \
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return CheckAndReturnResult((hr), __FILE__, __LINE__, 3, (s1), (s2), (s3))
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#define WARN_ERROR(hr) CheckResult((hr), __FILE__, __LINE__)
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#define TRETURN(hr) return PrintHRESULT(DEB_TRACE, (hr))
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#define TRACEIID(iid) PrintIID(DEB_TRACE, iid)
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#define TRACEHRESULT(hr) PrintHRESULT(DEB_TRACE, (hr))
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#else // DBG == 0
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#define SRETURN(hr) return (hr)
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#define RRETURN(hr) return (hr)
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#define RRETURN1(hr, s1) return (hr)
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#define RRETURN2(hr, s1, s2) return (hr)
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#define RRETURN3(hr, s1, s2, s3) return (hr)
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#define WARN_ERROR(hr)
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#define TRETURN(hr) return (hr)
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#define TRACEIID(iid)
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#define TRACEHRESULT(hr)
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#endif // DBG
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//+---------------------------------------------------------------------
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//
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// Interface wrapper for tracing method invocations
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//
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//----------------------------------------------------------------------
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#if DBG == 1
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LPVOID WatchInterface(REFIID riid, LPVOID pv, LPWSTR lpstr);
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#define WATCHINTERFACE(iid, p, lpstr) WatchInterface(iid, p, lpstr)
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#else // DBG == 0
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#define WATCHINTERFACE(iid, p, lpstr) (p)
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#endif // DBG
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//+---------------------------------------------------------------------
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//
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// Standard IClassFactory implementation
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//
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//----------------------------------------------------------------------
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//
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// Functions to manipulate object count variable g_ulObjCount. This variable
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// is used in the implementation of DllCanUnloadNow.
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inline void
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INC_OBJECT_COUNT(void)
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{
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extern ULONG g_ulObjCount;
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IRIncrement(g_ulObjCount);
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}
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inline void
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DEC_OBJECT_COUNT(void)
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{
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extern ULONG g_ulObjCount;
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// ASSERT(g_ulObjCount > 0);
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IRDecrement(g_ulObjCount);
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}
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inline ULONG
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GET_OBJECT_COUNT(void)
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{
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extern ULONG g_ulObjCount;
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return g_ulObjCount;
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}
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//+---------------------------------------------------------------
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//
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// Class: CStaticClassFactory
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//
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// Purpose: Standard implementation of a class factory object
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//
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// Notes: **************!!!!!!!!!!!!!!!!!*************
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// TAKE NOTE --- The implementation of Release on this
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// class does not perform a delete. This is so you can
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// make the class factory a global static variable.
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// Use the CDynamicClassFactory class below for an object
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// which is not global static data.
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//
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//---------------------------------------------------------------
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class CStaticClassFactory: public IClassFactory
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{
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public:
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CStaticClassFactory(void) : _ulRefs(1) {};
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// IUnknown methods
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DECLARE_IR_IUNKNOWN_METHODS;
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// IClassFactory methods
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STDMETHOD(LockServer) (BOOL fLock);
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// CreateInstance is left pure virtual.
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protected:
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ULONG _ulRefs;
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};
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//+---------------------------------------------------------------------------
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//
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// Class: CDynamicClassFactory (DYNCF)
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//
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// Purpose: Class factory which exists on the heap, and whose Release
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// method does the normal thing.
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//
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// Interface: DECLARE_IR_STANDARD_IUNKNOWN -- IUnknown methods
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//
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// LockServer -- Per IClassFactory.
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// CDynamicClassFactory -- ctor.
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// ~CDynamicClassFactory -- dtor.
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//
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//----------------------------------------------------------------------------
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class CDynamicClassFactory: public IClassFactory
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{
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public:
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// IUnknown methods
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DECLARE_IR_STANDARD_IUNKNOWN(CDynamicClassFactory)
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// IClassFactory methods
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STDMETHOD(LockServer) (BOOL fLock);
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// CreateInstance is left pure virtual.
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protected:
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CDynamicClassFactory(void);
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virtual ~CDynamicClassFactory(void);
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};
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#endif //__IROLEUTL_HXX_
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