#include "wx/intl.h"
#include "wx/log.h"
#include "wx/crt.h"
+ #include "wx/utils.h"
#endif
+#include "wx/dynlib.h"
#include "wx/file.h"
#include "wx/wfstream.h"
#define HKEY_DYN_DATA ((HKEY)0x80000006)
#endif
+#ifndef KEY_WOW64_64KEY
+ #define KEY_WOW64_64KEY 0x0100
+#endif
+
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
static inline void RemoveTrailingSeparator(wxString& str);
// returns true if given registry key exists
-static bool KeyExists(WXHKEY hRootKey, const wxString& szKey);
+static bool KeyExists(
+ WXHKEY hRootKey,
+ const wxString& szKey,
+ wxRegKey::WOW64ViewMode viewMode = wxRegKey::WOW64ViewMode_Default);
+
+// return the WOW64 registry view flag which can be used with MSW registry
+// functions for opening the key in the specified view
+static long GetMSWViewFlags(wxRegKey::WOW64ViewMode viewMode);
+
+// return the access rights which can be used with MSW registry functions for
+// opening the key in the specified mode
+static long
+GetMSWAccessFlags(wxRegKey::AccessMode mode, wxRegKey::WOW64ViewMode viewMode);
// combines value and key name
static wxString GetFullName(const wxRegKey *pKey);
// ctors and dtor
// ----------------------------------------------------------------------------
-wxRegKey::wxRegKey()
+wxRegKey::wxRegKey(WOW64ViewMode viewMode) : m_viewMode(viewMode)
{
m_hRootKey = (WXHKEY) aStdKeys[HKCR].hkey;
Init();
}
-wxRegKey::wxRegKey(const wxString& strKey) : m_strKey(strKey)
+wxRegKey::wxRegKey(const wxString& strKey, WOW64ViewMode viewMode)
+ : m_strKey(strKey), m_viewMode(viewMode)
{
m_hRootKey = (WXHKEY) aStdKeys[ExtractKeyName(m_strKey)].hkey;
}
// parent is a predefined (and preopened) key
-wxRegKey::wxRegKey(StdKey keyParent, const wxString& strKey) : m_strKey(strKey)
+wxRegKey::wxRegKey(StdKey keyParent,
+ const wxString& strKey,
+ WOW64ViewMode viewMode)
+ : m_strKey(strKey), m_viewMode(viewMode)
{
RemoveTrailingSeparator(m_strKey);
m_hRootKey = (WXHKEY) aStdKeys[keyParent].hkey;
// parent is a normal regkey
wxRegKey::wxRegKey(const wxRegKey& keyParent, const wxString& strKey)
- : m_strKey(keyParent.m_strKey)
+ : m_strKey(keyParent.m_strKey), m_viewMode(keyParent.GetView())
{
// combine our name with parent's to get the full name
if ( !m_strKey.empty() &&
Close();
m_hKey = hKey;
+
+ // we don't know the parent of this key, assume HKLM by default
+ m_hRootKey = HKEY_LOCAL_MACHINE;
+
+ // we don't know in which mode was this key opened but we can't reopen it
+ // anyhow because we don't know its name, so the only thing we can is to hope
+ // that it allows all the operations which we're going to perform on it
+ m_mode = Write;
+
+ // reset old data
+ m_strKey.empty();
+ m_dwLastError = 0;
}
// ----------------------------------------------------------------------------
bool wxRegKey::Exists() const
{
// opened key has to exist, try to open it if not done yet
- return IsOpened() ? true : KeyExists(m_hRootKey, m_strKey.wx_str());
+ return IsOpened()
+ ? true
+ : KeyExists(m_hRootKey, m_strKey, m_viewMode);
}
// returns the full name of the key (prefix is abbreviated if bShortPrefix)
(HKEY) m_hRootKey,
m_strKey.t_str(),
RESERVED,
- mode == Read ? KEY_READ : KEY_ALL_ACCESS,
+ GetMSWAccessFlags(mode, m_viewMode),
&tmpKey
);
return true;
HKEY tmpKey;
-#ifdef __WXWINCE__
DWORD disposition;
- m_dwLastError = RegCreateKeyEx((HKEY) m_hRootKey, m_strKey.wx_str(),
- NULL, // reserved
- NULL, // class string
- 0,
- 0,
- NULL,
+ // Minimum supported OS for RegCreateKeyEx: Win 95, Win NT 3.1, Win CE 1.0
+ m_dwLastError = RegCreateKeyEx((HKEY) m_hRootKey, m_strKey.t_str(),
+ 0, // reserved and must be 0
+ NULL, // The user-defined class type of this key.
+ REG_OPTION_NON_VOLATILE, // supports other values as well; see MS docs
+ GetMSWAccessFlags(wxRegKey::Write, m_viewMode),
+ NULL, // pointer to a SECURITY_ATTRIBUTES structure
&tmpKey,
&disposition);
-#else
- m_dwLastError = RegCreateKey((HKEY) m_hRootKey, m_strKey.t_str(), &tmpKey);
-#endif
+
if ( m_dwLastError != ERROR_SUCCESS ) {
wxLogSysError(m_dwLastError, _("Can't create registry key '%s'"),
GetName().c_str());
// 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 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'"),
if ( !CONST_CAST Open(Read) )
return false;
- return KeyExists(m_hKey, szKey);
+ return KeyExists(m_hKey, szKey, m_viewMode);
}
wxRegKey::ValueType wxRegKey::GetValueType(const wxString& szValue) const
m_dwLastError = RegSetValueEx((HKEY) m_hKey,
RegValueStr(szValue),
(DWORD) RESERVED, REG_SZ,
- (RegString)strValue.wx_str(),
+ (RegString)strValue.t_str(),
(strValue.Len() + 1)*sizeof(wxChar));
if ( m_dwLastError == ERROR_SUCCESS )
return true;
// implementation of global private functions
// ============================================================================
-bool KeyExists(WXHKEY hRootKey, const wxString& szKey)
+bool KeyExists(WXHKEY hRootKey,
+ const wxString& szKey,
+ wxRegKey::WOW64ViewMode viewMode)
{
// don't close this key itself for the case of empty szKey!
if ( szKey.empty() )
(HKEY)hRootKey,
szKey.t_str(),
RESERVED,
- KEY_READ, // we might not have enough rights for rw access
+ // we might not have enough rights for rw access
+ GetMSWAccessFlags(wxRegKey::Read, viewMode),
&hkeyDummy
) == ERROR_SUCCESS )
{
return false;
}
+long GetMSWViewFlags(wxRegKey::WOW64ViewMode viewMode)
+{
+ long samWOW64ViewMode = 0;
+
+ switch ( viewMode )
+ {
+ case wxRegKey::WOW64ViewMode_32:
+#ifdef __WIN64__ // the flag is only needed by 64 bit apps
+ samWOW64ViewMode = KEY_WOW64_32KEY;
+#endif // Win64
+ break;
+
+ case wxRegKey::WOW64ViewMode_64:
+#ifndef __WIN64__ // the flag is only needed by 32 bit apps
+ // 64 bit registry can only be accessed under 64 bit platforms
+ if ( wxIsPlatform64Bit() )
+ samWOW64ViewMode = KEY_WOW64_64KEY;
+#endif // Win32
+ break;
+
+ default:
+ wxFAIL_MSG("Unknown registry view.");
+ // fall through
+
+ case wxRegKey::WOW64ViewMode_Default:
+ // Use default registry view for the current application,
+ // i.e. 32 bits for 32 bit ones and 64 bits for 64 bit apps
+ ;
+ }
+
+ return samWOW64ViewMode;
+}
+
+long GetMSWAccessFlags(wxRegKey::AccessMode mode,
+ wxRegKey::WOW64ViewMode viewMode)
+{
+ long sam = mode == wxRegKey::Read ? KEY_READ : KEY_ALL_ACCESS;
+
+ sam |= GetMSWViewFlags(viewMode);
+
+ return sam;
+}
+
wxString GetFullName(const wxRegKey *pKey, const wxString& szValue)
{
wxString str(pKey->GetName());
projects / wxWidgets.git / blobdiff