void WinRegistryKey::deleteKey()
{
Keys keys;
subKeys(keys);
close();
for (Keys::iterator it = keys.begin(); it != keys.end(); ++it)
{
std::string subKey(_subKey);
subKey += "\\";
subKey += *it;
WinRegistryKey subRegKey(_hRootKey, subKey);
subRegKey.deleteKey();
}
// NOTE: RegDeleteKeyEx is only available on Windows XP 64-bit SP3, Windows Vista or later.
// We cannot call it directly as this would prevent the code running on Windows XP 32-bit.
// Therefore, if we need to call RegDeleteKeyEx (_extraSam != 0) we need to check for
// its existence in ADVAPI32.DLL and call it indirectly.
#if defined(POCO_WIN32_UTF8)
std::wstring usubKey;
Poco::UnicodeConverter::toUTF16(_subKey, usubKey);
typedef LONG (WINAPI *RegDeleteKeyExWFunc)(HKEY hKey, const wchar_t* lpSubKey, REGSAM samDesired, DWORD Reserved);
if (_extraSam != 0)
{
AutoHandle advAPI32(LoadLibraryW(L"ADVAPI32.DLL"));
if (advAPI32.handle())
{
RegDeleteKeyExWFunc pRegDeleteKeyExW = reinterpret_cast<RegDeleteKeyExWFunc>(GetProcAddress(advAPI32.handle() , "RegDeleteKeyExW"));
if (pRegDeleteKeyExW)
{
if ((*pRegDeleteKeyExW)(_hRootKey, usubKey.c_str(), _extraSam, 0) != ERROR_SUCCESS)
throw NotFoundException(key());
return;
}
}
}
if (RegDeleteKeyW(_hRootKey, usubKey.c_str()) != ERROR_SUCCESS)
throw NotFoundException(key());
#else
typedef LONG (WINAPI *RegDeleteKeyExAFunc)(HKEY hKey, const char* lpSubKey, REGSAM samDesired, DWORD Reserved);
if (_extraSam != 0)
{
AutoHandle advAPI32(LoadLibraryA("ADVAPI32.DLL"));
if (advAPI32.handle())
{
RegDeleteKeyExAFunc pRegDeleteKeyExA = reinterpret_cast<RegDeleteKeyExAFunc>(GetProcAddress(advAPI32.handle() , "RegDeleteKeyExA"));
if (pRegDeleteKeyExA)
{
if ((*pRegDeleteKeyExA)(_hRootKey, _subKey.c_str(), _extraSam, 0) != ERROR_SUCCESS)
throw NotFoundException(key());
return;
}
}
}
if (RegDeleteKey(_hRootKey, _subKey.c_str()) != ERROR_SUCCESS)
throw NotFoundException(key());
#endif
}
void WinRegistryKey::deleteKey() {
Keys keys;
subKeys(keys);
close();
for (Keys::iterator it = keys.begin(); it != keys.end(); ++it) {
string subKey(_subKey);
subKey += "\\";
subKey += *it;
WinRegistryKey subRegKey(_hRootKey, subKey);
subRegKey.deleteKey();
}
// NOTE: RegDeleteKeyEx is only available on Windows XP 64-bit SP3, Windows Vista or later.
// We cannot call it directly as this would prevent the code running on Windows XP 32-bit.
// Therefore, if we need to call RegDeleteKeyEx (_extraSam != 0) we need to check for
// its existence in ADVAPI32.DLL and call it indirectly.
typedef LONG (WINAPI *RegDeleteKeyExAFunc)(HKEY hKey, const char* lpSubKey, REGSAM samDesired, DWORD Reserved);
if (_extraSam != 0) {
AutoHandle advAPI32(LoadLibraryA("ADVAPI32.DLL"));
if (advAPI32.handle()) {
RegDeleteKeyExAFunc pRegDeleteKeyExA = reinterpret_cast<RegDeleteKeyExAFunc>(GetProcAddress(advAPI32.handle() , "RegDeleteKeyExA"));
if (pRegDeleteKeyExA) {
(*pRegDeleteKeyExA)(_hRootKey, _subKey.c_str(), _extraSam, 0);
return;
}
}
}
RegDeleteKey(_hRootKey, _subKey.c_str());
}