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Tricks of the Windows Gam…ming Gurus (2nd Edition)
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spoly2
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misc.cpp
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C/C++ Source or Header
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1997-08-01
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5KB
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253 lines
/***
*misc.cpp
*
* This is a part of the Microsoft Source Code Samples.
*
* Copyright (C) 1992-1997 Microsoft Corporation. All rights reserved.
*
* This source code is only intended as a supplement to Microsoft Development
* Tools and/or WinHelp documentation. See these sources for detailed
* information regarding the Microsoft samples programs.
*
*Purpose:
*
*Implementation Notes:
*
*****************************************************************************/
#include "spoly.h"
#include "cpoint.h"
#include "cpoly.h"
#include <stdio.h>
#ifdef _MAC
# include <string.h>
# include <ctype.h>
#endif
unsigned long g_dwPolyCF = 0;
unsigned long g_dwPointCF = 0;
IClassFactory FAR* g_ppolyCF = NULL;
IClassFactory FAR* g_ppointCF = NULL;
unsigned int g_fObjectsRevoked = 0;
unsigned int g_cObjects = 0;
unsigned int g_fQuit = 0;
#ifdef _MAC
struct regentry{
char *szKey;
char *szValue;
} g_rgregentry[] = {
{ "CLSID\\{00020464-0000-0000-C000-000000000046}",
"OLE Automation SPoly2 1.0 Application" }
, { "CLSID\\{00020464-0000-0000-C000-000000000046}\\LocalServer",
"SPL2" }
, { "CLSID\\{00020464-0000-0000-C000-000000000046}\\ProgID",
"SPoly2.Application" }
, { "CLSID\\{00020464-0000-0000-C000-000000000046}\\InprocHandler",
"OLE2:Def$DefFSet" }
, { "SPL2", "{00020464-0000-0000-C000-000000000046}" }
, { "SPoly2.Application\\CLSID",
"{00020464-0000-0000-C000-000000000046}" }
};
HRESULT
EnsureRegistration()
{
HKEY hkey;
if(RegOpenKey(HKEY_CLASSES_ROOT, "SPL2", &hkey) == NOERROR){
RegCloseKey(hkey);
return NOERROR;
}
for(int i = 0; i < DIM(g_rgregentry); ++i){
if(RegSetValue(HKEY_CLASSES_ROOT, g_rgregentry[i].szKey, REG_SZ, g_rgregentry[i].szValue, 0) != ERROR_SUCCESS)
return E_FAIL;
}
return NOERROR;
}
#endif
/***
*HRESULT InitOle(void)
*Purpose:
* Initialize Ole, and register our class factories.
*
*Entry:
* None
*
*Exit:
* None
*
***********************************************************************/
STDAPI
InitOle()
{
HRESULT hresult;
if((hresult = OleInitialize(NULL)) != NOERROR)
goto LError0;
#ifdef _MAC
if((hresult = EnsureRegistration()) != NOERROR)
goto LError0;
#endif
// Register the CPoint Class Factory
//
if((g_ppointCF = CPointCF::Create()) == NULL){
hresult = E_OUTOFMEMORY;
goto LError1;
}
hresult = CoRegisterClassObject(
CLSID_CPoint2,
g_ppointCF,
CLSCTX_LOCAL_SERVER,
REGCLS_MULTIPLEUSE,
&g_dwPointCF);
if(FAILED(hresult))
goto LError1;
// Register the CPoly Class Factory.
//
if((g_ppolyCF = CPolyCF::Create()) == NULL){
hresult = E_OUTOFMEMORY;
goto LError1;
}
hresult = CoRegisterClassObject(
CLSID_CPoly2,
g_ppolyCF,
CLSCTX_LOCAL_SERVER,
REGCLS_MULTIPLEUSE,
&g_dwPolyCF);
if(FAILED(hresult))
goto LError1;
g_ppolyCF->Release();
g_ppointCF->Release();
return NOERROR;
LError1:;
if(g_ppolyCF != NULL)
g_ppolyCF->Release();
if(g_ppointCF != NULL)
g_ppointCF->Release();
UninitOle();
LError0:;
return hresult;
}
STDAPI
Revoke()
{
if (!g_fObjectsRevoked) {
// Tell Ole to release our class factories.
//
if(g_dwPointCF != 0L)
CoRevokeClassObject(g_dwPointCF);
if(g_dwPolyCF != 0L)
CoRevokeClassObject(g_dwPolyCF);
g_fObjectsRevoked = 1;
}
return NOERROR;
}
STDAPI
UninitOle()
{
Revoke();
OleUninitialize();
return NOERROR;
}
// disable unicode expansion for assertions
#undef UNICODE
void
Assert(int fCond, char FAR* file, int line, char FAR* message)
{
char * fmt;
char buf[128];
if(fCond)
return;
fmt = (message == NULL)
? "Assertion failed: %s(%d)"
: "Assertion failed: %s(%d) '%s'";
sprintf(buf, fmt, file, line, message);
#ifdef _MAC
DebugStr(c2pstr(buf));
#else
#ifdef WIN32
OutputDebugStringA(buf);
#else //WIN32
OutputDebugString(buf);
#endif //WIN32
DebugBreak();
#endif
}
void IncObjectCount()
{
g_cObjects++;
}
void DecObjectCount()
{
g_cObjects--;
if (!g_cObjects && g_fQuit) {
Revoke();
#ifndef _MAC
PostQuitMessage(0);
#endif // !_MAC
}
}
#ifdef _MAC
#if defined(_MSC_VER)
int pascal
#else
pascal int
#endif
stricmp(char *first, char *last)
{
unsigned short f, l;
do{
f = tolower(*first++);
l = tolower(*last++);
}while(f && f == l);
return f - l;
}
#endif