// ----------------------------------------------------------------------------
// delete keys/values
// ----------------------------------------------------------------------------
bool wxRegKey::DeleteSelf()
{
{
wxLogNull nolog;
if ( !Open() ) {
// it already doesn't exist - ok!
return true;
}
}
// prevent a buggy program from erasing one of the root registry keys or an
// immediate subkey (i.e. one which doesn't have '\\' inside) of any other
// key except HKCR (HKCR has some "deleteable" subkeys)
if ( m_strKey.empty() ||
((m_hRootKey != (WXHKEY) aStdKeys[HKCR].hkey) &&
(m_strKey.Find(REG_SEPARATOR) == wxNOT_FOUND)) ) {
wxLogError(_("Registry key '%s' is needed for normal system operation,\ndeleting it will leave your system in unusable state:\noperation aborted."),
GetFullName(this));
return false;
}
// we can't delete keys while enumerating because it confuses GetNextKey, so
// we first save the key names and then delete them all
wxArrayString astrSubkeys;
wxString strKey;
long lIndex;
bool bCont = GetFirstKey(strKey, lIndex);
while ( bCont ) {
astrSubkeys.Add(strKey);
bCont = GetNextKey(strKey, lIndex);
}
size_t nKeyCount = astrSubkeys.Count();
for ( size_t nKey = 0; nKey < nKeyCount; nKey++ ) {
wxRegKey key(*this, astrSubkeys[nKey]);
if ( !key.DeleteSelf() )
return false;
}
// now delete this key itself
Close();
m_dwLastError = RegDeleteKey((HKEY) m_hRootKey, m_strKey.t_str());
// deleting a key which doesn't exist is not considered an error
if ( m_dwLastError != ERROR_SUCCESS &&
m_dwLastError != ERROR_FILE_NOT_FOUND ) {
wxLogSysError(m_dwLastError, _("Can't delete key '%s'"),
GetName().c_str());
return false;
}
return true;
}
// returns true if this key has any subkeys
bool wxRegKey::HasSubkeys() const
{
// suppress possible messages from GetFirstKey()
wxLogNull nolog;
// just call GetFirstKey with dummy parameters
wxString str;
long l;
return CONST_CAST GetFirstKey(str, l);
}
HRESULT RegistryClassEnum::GetKey (LPTSTR lpName, const DWORD dwNameLen, PFILETIME lpftLastWriteTime, const bool fGetFirst)
{
if ((NULL == lpName) || (dwNameLen <= 1))
return ERROR_BAD_ARGUMENTS;
DWORD cbName=dwNameLen;
HRESULT hr=(fGetFirst ? GetFirstKey(lpName, &cbName, lpftLastWriteTime) : GetNextKey(lpName, &cbName, lpftLastWriteTime));
if (hr != S_OK)
return hr;
if (cbName >= dwNameLen)
return ERROR_BUFFER_OVERFLOW;
lpName[cbName] = _T('\0'); // just making sure
return S_OK;
}
bool wxRegKey::Copy(wxRegKey& keyDst)
{
bool ok = true;
// copy all sub keys to the new location
wxString strKey;
long lIndex;
bool bCont = GetFirstKey(strKey, lIndex);
while ( ok && bCont ) {
wxRegKey key(*this, strKey);
wxString keyName;
keyName << GetFullName(&keyDst) << REG_SEPARATOR << strKey;
ok = key.Copy(keyName);
if ( ok )
bCont = GetNextKey(strKey, lIndex);
else
wxLogError(_("Failed to copy the registry subkey '%s' to '%s'."),
GetFullName(&key), keyName.c_str());
}
// copy all values
wxString strVal;
bCont = GetFirstValue(strVal, lIndex);
while ( ok && bCont ) {
ok = CopyValue(strVal, keyDst);
if ( !ok ) {
wxLogSysError(m_dwLastError,
_("Failed to copy registry value '%s'"),
strVal.c_str());
}
else {
bCont = GetNextValue(strVal, lIndex);
}
}
if ( !ok ) {
wxLogError(_("Failed to copy the contents of registry key '%s' to '%s'."),
GetFullName(this), GetFullName(&keyDst));
}
return ok;
}
char* CNWNXHashSet::OnRequest(char* gameObject, char* Request, char* Parameters)
{
char* presult = NULL;
Log(2, "Request: \"%s\"\n", Request);
Log(3, "Params: \"%s\"\n", Parameters);
if (strcmp(Request, "LOOKUP") == 0)
presult = Lookup(gameObject, Parameters);
else if (strcmp(Request, "INSERT") == 0)
presult = Insert(gameObject, Parameters);
else if (strcmp(Request, "DELETE") == 0)
presult = Delete(gameObject, Parameters);
else if (strcmp(Request, "STATUS") == 0)
presult = (char *)(iLastOperation ? "1" : "0");
else if (strcmp(Request, "VALID") == 0)
presult = Valid(gameObject, Parameters);
else if (strcmp(Request, "EXISTS") == 0)
presult = Exists(gameObject, Parameters);
else if (strcmp(Request, "GETFIRSTKEY") == 0)
presult = GetFirstKey(gameObject, Parameters);
else if (strcmp(Request, "GETNEXTKEY") == 0)
presult = GetNextKey(gameObject, Parameters);
else if (strcmp(Request, "GETCURRENTKEY") == 0)
presult = GetCurrentKey(gameObject, Parameters);
else if (strcmp(Request, "GETNTHKEY") == 0)
presult = GetNthKey(gameObject, Parameters);
else if (strcmp(Request, "HASNEXT") == 0)
presult = HasNext(gameObject, Parameters);
else if (strcmp(Request, "GETSIZE") == 0)
presult = GetSize(gameObject, Parameters);
else if (strcmp(Request, "DESTROY") == 0)
presult = Destroy(gameObject, Parameters);
else if (strcmp(Request, "CREATE") == 0)
presult = Create(gameObject, Parameters);
Log(4, "hashset returns[%s]\n", presult);
// a return value of NULL tells NWNX that it shouldn't copy
// any values, a non zero pointer tells NWNX that it should copy
// the null terminated string pointed to by that pointer back into NWN.
return presult;
}
// ----------------------------------------------------------------------------
// delete keys/values
// ----------------------------------------------------------------------------
bool wxRegKey::DeleteSelf()
{
{
wxLogNull nolog;
if ( !Open() ) {
// it already doesn't exist - ok!
return true;
}
}
// prevent a buggy program from erasing one of the root registry keys or an
// immediate subkey (i.e. one which doesn't have '\\' inside) of any other
// key except HKCR (HKCR has some "deleteable" subkeys)
if ( m_strKey.empty() ||
((m_hRootKey != (WXHKEY) aStdKeys[HKCR].hkey) &&
(m_strKey.Find(REG_SEPARATOR) == wxNOT_FOUND)) ) {
wxLogError(_("Registry key '%s' is needed for normal system operation,\ndeleting it will leave your system in unusable state:\noperation aborted."),
GetFullName(this));
return false;
}
// we can't delete keys while enumerating because it confuses GetNextKey, so
// we first save the key names and then delete them all
wxArrayString astrSubkeys;
wxString strKey;
long lIndex;
bool bCont = GetFirstKey(strKey, lIndex);
while ( bCont ) {
astrSubkeys.Add(strKey);
bCont = GetNextKey(strKey, lIndex);
}
size_t nKeyCount = astrSubkeys.Count();
for ( size_t nKey = 0; nKey < nKeyCount; nKey++ ) {
wxRegKey key(*this, astrSubkeys[nKey]);
if ( !key.DeleteSelf() )
return false;
}
// now delete this key itself
Close();
// deleting a key which doesn't exist is not considered an error
#if wxUSE_DYNLIB_CLASS
wxDynamicLibrary dllAdvapi32(wxT("advapi32"));
// Minimum supported OS for RegDeleteKeyEx: Vista, XP Pro x64, Win Server 2008, Win Server 2003 SP1
if(dllAdvapi32.HasSymbol(wxT("RegDeleteKeyEx")))
{
typedef LONG (WINAPI *RegDeleteKeyEx_t)(HKEY, LPCTSTR, REGSAM, DWORD);
wxDYNLIB_FUNCTION(RegDeleteKeyEx_t, RegDeleteKeyEx, dllAdvapi32);
m_dwLastError = (*pfnRegDeleteKeyEx)((HKEY) m_hRootKey, m_strKey.t_str(),
GetMSWViewFlags(m_viewMode),
0); // This parameter is reserved and must be zero.
}
else
#endif // wxUSE_DYNLIB_CLASS
{
m_dwLastError = RegDeleteKey((HKEY) m_hRootKey, m_strKey.t_str());
}
if ( m_dwLastError != ERROR_SUCCESS &&
m_dwLastError != ERROR_FILE_NOT_FOUND ) {
wxLogSysError(m_dwLastError, _("Can't delete key '%s'"),
GetName().c_str());
return false;
}
return true;
}
