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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_shell.hxx"
#if defined _MSC_VER
#pragma warning(push, 1)
#endif
#include <windows.h>
#if defined _MSC_VER
#pragma warning(pop)
#endif
#include <malloc.h>
#include "internal/dbgmacros.hxx"
#include "internal/registry.hxx"
#if defined _MSC_VER
#pragma warning(push, 1)
#endif
#include <objbase.h>
#if defined _MSC_VER
#pragma warning(pop)
#endif
//---------------------------------------
//
//---------------------------------------
// Size of a CLSID as a string
const int CLSID_STRING_SIZE = 39;
//---------------------------------------
//
//---------------------------------------
bool SetRegistryKey(HKEY RootKey, const char* KeyName, const char* ValueName, const char* Value)
{
HKEY hSubKey;
// open or create the desired key
int rc = RegCreateKeyExA(
RootKey, KeyName, 0, "", REG_OPTION_NON_VOLATILE, KEY_WRITE, 0, &hSubKey, 0);
if (ERROR_SUCCESS == rc)
{
rc = RegSetValueExA(
hSubKey, ValueName, 0, REG_SZ, reinterpret_cast<const BYTE*>(Value), strlen(Value) + 1);
RegCloseKey(hSubKey);
}
return (ERROR_SUCCESS == rc);
}
//---------------------------------------
//
//---------------------------------------
bool DeleteRegistryKey(HKEY RootKey, const char* KeyName)
{
HKEY hKey;
int rc = RegOpenKeyExA(
RootKey,
KeyName,
0,
KEY_READ | DELETE,
&hKey);
if ( rc == ERROR_FILE_NOT_FOUND )
return true;
if (ERROR_SUCCESS == rc)
{
char* SubKey;
DWORD nMaxSubKeyLen;
rc = RegQueryInfoKeyA(
hKey, 0, 0, 0, 0,
&nMaxSubKeyLen,
0, 0, 0, 0, 0, 0);
nMaxSubKeyLen++; // space for trailing '\0'
SubKey = reinterpret_cast<char*>(
_alloca(nMaxSubKeyLen*sizeof(char)));
while (ERROR_SUCCESS == rc)
{
DWORD nLen = nMaxSubKeyLen;
rc = RegEnumKeyExA(
hKey,
0, // always index zero
SubKey,
&nLen,
0, 0, 0, 0);
if (ERROR_NO_MORE_ITEMS == rc)
{
rc = RegDeleteKeyA(RootKey, KeyName);
break;
}
else if (rc == ERROR_SUCCESS)
{
DeleteRegistryKey(hKey, SubKey);
}
} // while
RegCloseKey(hKey);
} // if
return (ERROR_SUCCESS == rc);
}
/** May be used to determine if the specified registry key has subkeys
The function returns true on success else if an error occures false
*/
bool HasSubkeysRegistryKey(HKEY RootKey, const char* KeyName, /* out */ bool& bResult)
{
HKEY hKey;
LONG rc = RegOpenKeyExA(RootKey, KeyName, 0, KEY_READ, &hKey);
if (ERROR_SUCCESS == rc)
{
DWORD nSubKeys = 0;
rc = RegQueryInfoKeyA(hKey, 0, 0, 0, &nSubKeys, 0, 0, 0, 0, 0, 0, 0);
bResult = (nSubKeys > 0);
}
return (ERROR_SUCCESS == rc);
}
// Convert a CLSID to a char string.
std::string ClsidToString(const CLSID& clsid)
{
// Get CLSID
LPOLESTR wszCLSID = NULL;
StringFromCLSID(clsid, &wszCLSID);
char buff[39];
// Covert from wide characters to non-wide.
wcstombs(buff, wszCLSID, sizeof(buff));
// Free memory.
CoTaskMemFree(wszCLSID) ;
return std::string(buff);
}
//---------------------------------------
//
//---------------------------------------
bool QueryRegistryKey(HKEY RootKey, const char* KeyName, const char* ValueName, char *pszData, DWORD dwBufLen)
{
HKEY hKey;
int rc = RegOpenKeyExA(
RootKey,
KeyName,
0,
KEY_READ,
&hKey);
if (ERROR_SUCCESS == rc)
{
rc = RegQueryValueExA(
hKey, ValueName, NULL, NULL, (LPBYTE)pszData,&dwBufLen);
RegCloseKey(hKey);
}
return (ERROR_SUCCESS == rc);
}
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