AppleWin/source/Registry.cpp
Taeber Rapczak c7d2fef62f Allow use of an INI-file instead of the Registry
This change adds the `-conf` switch which, if specified, will use an
INI-file instead of the Windows Registry.

This addresses AppleWin/AppleWin#709 and AppleWin/AppleWin#446.
2020-02-09 21:18:31 -05:00

149 lines
4.4 KiB
C++

/*
AppleWin : An Apple //e emulator for Windows
Copyright (C) 1994-1996, Michael O'Brien
Copyright (C) 1999-2001, Oliver Schmidt
Copyright (C) 2002-2005, Tom Charlesworth
Copyright (C) 2006-2007, Tom Charlesworth, Michael Pohoreski
AppleWin is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
AppleWin is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with AppleWin; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* Description: Registry module
*
* Author: Various
*/
#include "StdAfx.h"
extern std::string g_sConfigFile;
namespace _ini {
//===========================================================================
BOOL RegLoadString(LPCTSTR section, LPCTSTR key, BOOL peruser, LPTSTR buffer, DWORD chars)
{
DWORD n = GetPrivateProfileString(section, key, NULL, buffer, chars, g_sConfigFile.c_str());
return n > 0;
}
//===========================================================================
void RegSaveString(LPCTSTR section, LPCTSTR key, BOOL peruser, const std::string& buffer)
{
BOOL updated = WritePrivateProfileString(section, key, buffer.c_str(), g_sConfigFile.c_str());
_ASSERT(updated || GetLastError() == 0);
}
}
//===========================================================================
BOOL RegLoadString (LPCTSTR section, LPCTSTR key, BOOL peruser, LPTSTR buffer, DWORD chars)
{
if (!g_sConfigFile.empty())
return _ini::RegLoadString(section, key, peruser, buffer, chars);
TCHAR fullkeyname[256];
StringCbPrintf(fullkeyname, 256, TEXT("Software\\AppleWin\\CurrentVersion\\%s"), section);
BOOL success = FALSE;
HKEY keyhandle;
LSTATUS status = RegOpenKeyEx(
(peruser ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE),
fullkeyname,
0,
KEY_READ,
&keyhandle);
if (status == 0)
{
DWORD type;
DWORD size = chars;
status = RegQueryValueEx(keyhandle, key, NULL, &type, (LPBYTE)buffer, &size);
if (status == 0 && size != 0)
success = TRUE;
}
RegCloseKey(keyhandle);
return success;
}
//===========================================================================
BOOL RegLoadString (LPCTSTR section, LPCTSTR key, BOOL peruser, LPTSTR buffer, DWORD chars, LPCTSTR defaultValue)
{
BOOL success = RegLoadString(section, key, peruser, buffer, chars);
if (!success)
StringCbCopy(buffer, chars, defaultValue);
return success;
}
//===========================================================================
BOOL RegLoadValue (LPCTSTR section, LPCTSTR key, BOOL peruser, DWORD* value) {
TCHAR buffer[32];
if (!RegLoadString(section, key, peruser, buffer, 32))
{
return FALSE;
}
*value = (DWORD)_ttoi(buffer);
return TRUE;
}
//===========================================================================
BOOL RegLoadValue (LPCTSTR section, LPCTSTR key, BOOL peruser, DWORD* value, DWORD defaultValue) {
BOOL success = RegLoadValue(section, key, peruser, value);
if (!success)
*value = defaultValue;
return success;
}
//===========================================================================
void RegSaveString (LPCTSTR section, LPCTSTR key, BOOL peruser, const std::string & buffer) {
if (!g_sConfigFile.empty())
return _ini::RegSaveString(section, key, peruser, buffer);
TCHAR fullkeyname[256];
StringCbPrintf(fullkeyname, 256, TEXT("Software\\AppleWin\\CurrentVersion\\%s"), section);
HKEY keyhandle;
DWORD disposition;
LSTATUS status = RegCreateKeyEx(
(peruser ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE),
fullkeyname,
0,
NULL,
REG_OPTION_NON_VOLATILE,
KEY_READ | KEY_WRITE,
(LPSECURITY_ATTRIBUTES)NULL,
&keyhandle,
&disposition);
if (status == 0)
{
RegSetValueEx(
keyhandle,
key,
0,
REG_SZ,
(CONST LPBYTE)buffer.c_str(),
(buffer.size() + 1) * sizeof(TCHAR));
RegCloseKey(keyhandle);
}
}
//===========================================================================
void RegSaveValue (LPCTSTR section, LPCTSTR key, BOOL peruser, DWORD value) {
TCHAR buffer[32] = TEXT("");
StringCbPrintf(buffer, 32, "%d", value);
RegSaveString(section, key, peruser, buffer);
}