windows-nt/Source/XPSP1/NT/multimedia/directx/dinput/dx7/dll/direg.c
2020-09-26 16:20:57 +08:00

228 lines
6.2 KiB
C

/*****************************************************************************
*
* DIReg.c
*
* Copyright (c) 1996 Microsoft Corporation. All Rights Reserved.
*
* Abstract:
*
* OLE self-registration.
*
* Contents:
*
* DllRegisterServer()
* DllUnregisterServer()
*
*****************************************************************************/
#include "dinputpr.h"
/*****************************************************************************
*
* The sqiffle for this file.
*
*****************************************************************************/
#define sqfl sqflDll
/*****************************************************************************
*
* RegSetStringEx
*
* Add a REG_SZ to hkey\sub::value.
*
*****************************************************************************/
void INTERNAL
RegSetStringEx(HKEY hk, LPCTSTR ptszValue, LPCTSTR ptszData)
{
LONG lRc = RegSetValueEx(hk, ptszValue, 0, REG_SZ,
(PV)ptszData, cbCtch(lstrlen(ptszData)+1));
}
/*****************************************************************************
*
* RegDelStringEx
*
* Remove a REG_SZ from hkey\sub::value. The data is ignored.
* It's passed so that RegDelStringEx matches the prototype for a
* REGSTRINGACTION.
*
*****************************************************************************/
void INTERNAL
RegDelStringEx(HKEY hk, LPCTSTR ptszValue, LPCTSTR ptszData)
{
LONG lRc = RegDeleteValue(hk, ptszValue);
}
/*****************************************************************************
*
* RegCloseFinish
*
* Just close the subkey already.
*
*****************************************************************************/
void INTERNAL
RegCloseFinish(HKEY hk, LPCTSTR ptszSub, HKEY hkSub)
{
LONG lRc = RegCloseKey(hkSub);
}
/*****************************************************************************
*
* RegDelFinish
*
* Delete a key if there is nothing in it.
*
* OLE unregistration rules demand that you not delete a key if OLE
* has added something to it.
*
*****************************************************************************/
void INTERNAL
RegDelFinish(HKEY hk, LPCTSTR ptszSub, HKEY hkSub)
{
LONG lRc;
DWORD cKeys = 0, cValues = 0;
RegQueryInfoKey(hkSub, 0, 0, 0, &cKeys, 0, 0, &cValues, 0, 0, 0, 0);
RegCloseKey(hkSub);
if ((cKeys | cValues) == 0) {
if( fWinnt )
lRc = DIWinnt_RegDeleteKey(hk, ptszSub);
else
lRc = RegDeleteKey(hk, ptszSub);
} else {
lRc = 0;
}
}
/*****************************************************************************
*
* REGVTBL
*
* Functions for dorking with a registry key, either coming or going.
*
*****************************************************************************/
typedef struct REGVTBL {
/* How to create/open a key */
LONG (INTERNAL *KeyAction)(HKEY hk, LPCTSTR ptszSub, PHKEY phkOut);
/* How to create/delete a string */
void (INTERNAL *StringAction)(HKEY hk, LPCTSTR ptszValue, LPCTSTR ptszData);
/* How to finish using a key */
void (INTERNAL *KeyFinish)(HKEY hk, LPCTSTR ptszSub, HKEY hkSub);
} REGVTBL, *PREGVTBL;
typedef const REGVTBL *PCREGVTBL;
const REGVTBL c_vtblAdd = { RegCreateKey, RegSetStringEx, RegCloseFinish };
const REGVTBL c_vtblDel = { RegOpenKey, RegDelStringEx, RegDelFinish };
/*****************************************************************************
*
* @doc INTERNAL
*
* @func void | DllServerAction |
*
* Register or unregister our objects with OLE/COM/ActiveX/
* whatever its name is.
*
*****************************************************************************/
#pragma BEGIN_CONST_DATA
extern const TCHAR c_tszNil[];
#define ctchClsid ctchGuid
const TCHAR c_tszClsidGuid[] =
TEXT("CLSID\\{%08lX-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}");
const TCHAR c_tszInProcServer32[] = TEXT("InProcServer32");
const TCHAR c_tszThreadingModel[] = TEXT("ThreadingModel");
const TCHAR c_tszBoth[] = TEXT("Both");
#pragma END_CONST_DATA
void INTERNAL
DllServerAction(PCREGVTBL pvtbl)
{
TCHAR tszThisDll[MAX_PATH];
UINT iclsidmap;
GetModuleFileName(g_hinst, tszThisDll, cA(tszThisDll));
for (iclsidmap = 0; iclsidmap < cclsidmap; iclsidmap++) {
TCHAR tszClsid[7+ctchClsid];
HKEY hkClsid;
HKEY hkSub;
REFCLSID rclsid = c_rgclsidmap[iclsidmap].rclsid;
wsprintf(tszClsid, c_tszClsidGuid,
rclsid->Data1, rclsid->Data2, rclsid->Data3,
rclsid->Data4[0], rclsid->Data4[1],
rclsid->Data4[2], rclsid->Data4[3],
rclsid->Data4[4], rclsid->Data4[5],
rclsid->Data4[6], rclsid->Data4[7]);
if (pvtbl->KeyAction(HKEY_CLASSES_ROOT, tszClsid, &hkClsid) == 0) {
TCHAR tszName[127];
/* Do the type name */
LoadString(g_hinst, c_rgclsidmap[iclsidmap].ids,
tszName, cA(tszName));
pvtbl->StringAction(hkClsid, 0, tszName);
/* Do the in-proc server name and threading model */
if (pvtbl->KeyAction(hkClsid, c_tszInProcServer32, &hkSub) == 0) {
pvtbl->StringAction(hkSub, 0, tszThisDll);
pvtbl->StringAction(hkSub, c_tszThreadingModel, c_tszBoth);
pvtbl->KeyFinish(hkClsid, c_tszInProcServer32, hkSub);
}
pvtbl->KeyFinish(HKEY_CLASSES_ROOT, tszClsid, hkClsid);
}
}
}
/*****************************************************************************
*
* @doc INTERNAL
*
* @func void | DllRegisterServer |
*
* Register our classes with OLE/COM/ActiveX/whatever its name is.
*
*****************************************************************************/
void EXTERNAL
DllRegisterServer(void)
{
DllServerAction(&c_vtblAdd);
}
/*****************************************************************************
*
* @doc INTERNAL
*
* @func void | DllUnregisterServer |
*
* Unregister our classes from OLE/COM/ActiveX/whatever its name is.
*
*****************************************************************************/
void EXTERNAL
DllUnregisterServer(void)
{
DllServerAction(&c_vtblDel);
}