// - add high level functions (RegisterOleServer, ...)
///////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "registry.h"
#endif
#pragma hdrstop
#endif
-// other wxWindows headers
+// other wxWidgets headers
#include "wx/string.h"
#include "wx/intl.h"
#include "wx/log.h"
-#ifndef __WIN16__
-
// Windows headers
/*
#define STRICT
#define WIN32_LEAN_AND_MEAN
*/
-#include <windows.h>
+#include "wx/msw/wrapwin.h"
#ifdef __WXWINCE__
#include "wx/msw/private.h"
// some registry functions don't like signed chars
typedef unsigned char *RegString;
+typedef BYTE* RegBinary;
// ----------------------------------------------------------------------------
// constants
// useful for Windows programmers: makes somewhat more clear all these zeroes
// being passed to Windows APIs
-#define RESERVED (NULL)
+#define RESERVED (0)
// ----------------------------------------------------------------------------
// macros
// removes the trailing backslash from the string if it has one
static inline void RemoveTrailingSeparator(wxString& str);
-// returns TRUE if given registry key exists
+// returns true if given registry key exists
static bool KeyExists(WXHKEY hRootKey, const wxChar *szKey);
// combines value and key name (uses static buffer!)
// info about the key
// ----------------------------------------------------------------------------
-// returns TRUE if the key exists
+// returns true if the key exists
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);
+ return IsOpened() ? true : KeyExists(m_hRootKey, m_strKey);
}
// returns the full name of the key (prefix is abbreviated if bShortPrefix)
size_t *pnValues,
size_t *pnMaxValueLen) const
{
-#if defined(__WIN32__)
-
// old gcc headers incorrectly prototype RegQueryInfoKey()
#if defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__)
#define REG_PARAM (size_t *)
if ( m_dwLastError != ERROR_SUCCESS ) {
wxLogSysError(m_dwLastError, _("Can't get info about registry key '%s'"),
GetName().c_str());
- return FALSE;
+ return false;
}
- return TRUE;
-#else // Win16
- wxFAIL_MSG("GetKeyInfo() not implemented");
-
- return FALSE;
-#endif
+ return true;
}
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// opens key (it's not an error to call Open() on an already opened key)
-bool wxRegKey::Open()
+bool wxRegKey::Open(AccessMode mode)
{
- if ( IsOpened() )
- return TRUE;
+ if ( IsOpened() )
+ return true;
+
+ HKEY tmpKey;
+ m_dwLastError = ::RegOpenKeyEx
+ (
+ (HKEY) m_hRootKey,
+ m_strKey,
+ RESERVED,
+ mode == Read ? KEY_READ : KEY_ALL_ACCESS,
+ &tmpKey
+ );
+
+ if ( m_dwLastError != ERROR_SUCCESS )
+ {
+ wxLogSysError(m_dwLastError, _("Can't open registry key '%s'"),
+ GetName().c_str());
+ return false;
+ }
- HKEY tmpKey;
- m_dwLastError = RegOpenKeyEx((HKEY) m_hRootKey, m_strKey,
- 0, 0, &tmpKey);
- if ( m_dwLastError != ERROR_SUCCESS ) {
- wxLogSysError(m_dwLastError, _("Can't open registry key '%s'"),
- GetName().c_str());
- return FALSE;
- }
- else
- {
m_hKey = (WXHKEY) tmpKey;
- return TRUE;
- }
+ return true;
}
// creates key, failing if it exists and !bOkIfExists
bool wxRegKey::Create(bool bOkIfExists)
{
// check for existence only if asked (i.e. order is important!)
- if ( !bOkIfExists && Exists() ) {
- return FALSE;
- }
+ if ( !bOkIfExists && Exists() )
+ return false;
if ( IsOpened() )
- return TRUE;
+ return true;
HKEY tmpKey;
#ifdef __WXWINCE__
if ( m_dwLastError != ERROR_SUCCESS ) {
wxLogSysError(m_dwLastError, _("Can't create registry key '%s'"),
GetName().c_str());
- return FALSE;
+ return false;
}
else
{
m_hKey = (WXHKEY) tmpKey;
- return TRUE;
+ return true;
}
}
wxLogSysError(m_dwLastError, _("Can't close registry key '%s'"),
GetName().c_str());
- return FALSE;
+ return false;
}
}
- return TRUE;
+ return true;
}
bool wxRegKey::RenameValue(const wxChar *szValueOld, const wxChar *szValueNew)
{
- bool ok = TRUE;
+ bool ok = true;
if ( HasValue(szValueNew) ) {
wxLogError(_("Registry value '%s' already exists."), szValueNew);
- ok = FALSE;
+ ok = false;
}
if ( !ok ||
wxLogError(_("Failed to rename registry value '%s' to '%s'."),
szValueOld, szValueNew);
- return FALSE;
+ return false;
}
- return TRUE;
+ return true;
}
bool wxRegKey::CopyValue(const wxChar *szValue,
keyDst.SetValue(szValueNew, dwVal);
}
+#ifdef __WIN32__
+ case Type_Binary:
+ {
+ wxMemoryBuffer buf;
+ return QueryValue(szValue,buf) &&
+ keyDst.SetValue(szValueNew,buf);
+ }
// these types are unsupported because I am not sure about how
// exactly they should be copied and because they shouldn't
// occur among the application keys (supposedly created with
// this class)
-#ifdef __WIN32__
case Type_None:
case Type_Expand_String:
- case Type_Binary:
case Type_Dword_big_endian:
case Type_Link:
case Type_Multi_String:
default:
wxLogError(_("Can't copy values of unsupported type %d."),
GetValueType(szValue));
- return FALSE;
+ return false;
}
}
bool wxRegKey::Rename(const wxChar *szNewName)
{
- wxCHECK_MSG( !!m_strKey, FALSE, _T("registry hives can't be renamed") );
+ wxCHECK_MSG( !m_strKey.IsEmpty(), false, _T("registry hives can't be renamed") );
if ( !Exists() ) {
wxLogError(_("Registry key '%s' does not exist, cannot rename it."),
GetFullName(this));
- return FALSE;
+ return false;
}
// do we stay in the same hive?
if ( inSameHive ) {
// rename the key to the new name under the same parent
wxString strKey = m_strKey.BeforeLast(REG_SEPARATOR);
- if ( !!strKey ) {
+ if ( !strKey.IsEmpty() ) {
// don't add '\\' in the start if strFullNewName is empty
strKey += REG_SEPARATOR;
}
keyDst.SetName(szNewName);
}
- bool ok = keyDst.Create(FALSE /* fail if alredy exists */);
+ bool ok = keyDst.Create(false /* fail if alredy exists */);
if ( !ok ) {
wxLogError(_("Registry key '%s' already exists."),
GetFullName(&keyDst));
{
// create the new key first
wxRegKey keyDst(szNewName);
- bool ok = keyDst.Create(FALSE /* fail if alredy exists */);
+ bool ok = keyDst.Create(false /* fail if alredy exists */);
if ( ok ) {
ok = Copy(keyDst);
bool wxRegKey::Copy(wxRegKey& keyDst)
{
- bool ok = TRUE;
+ bool ok = true;
// copy all sub keys to the new location
wxString strKey;
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
}
if ( !ok ) {
- wxLogError(_("Failed to copy the contents of registry key '%s' to '%s'."), GetFullName(this), GetFullName(&keyDst));
+ wxLogError(_("Failed to copy the contents of registry key '%s' to '%s'."),
+ GetFullName(this), GetFullName(&keyDst));
}
return ok;
wxLogNull nolog;
if ( !Open() ) {
// it already doesn't exist - ok!
- return TRUE;
+ return true;
}
}
if ( m_strKey.IsEmpty() ||
((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));
+ 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;
+ return false;
}
// we can't delete keys while enumerating because it confuses GetNextKey, so
for ( size_t nKey = 0; nKey < nKeyCount; nKey++ ) {
wxRegKey key(*this, astrSubkeys[nKey]);
if ( !key.DeleteSelf() )
- return FALSE;
+ return false;
}
// now delete this key itself
Close();
m_dwLastError = RegDeleteKey((HKEY) m_hRootKey, m_strKey);
- if ( m_dwLastError != ERROR_SUCCESS ) {
+ // 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 false;
}
- return TRUE;
+ return true;
}
bool wxRegKey::DeleteKey(const wxChar *szKey)
{
if ( !Open() )
- return FALSE;
+ return false;
wxRegKey key(*this, szKey);
return key.DeleteSelf();
bool wxRegKey::DeleteValue(const wxChar *szValue)
{
if ( !Open() )
- return FALSE;
+ return false;
-#if defined(__WIN32__)
m_dwLastError = RegDeleteValue((HKEY) m_hKey, WXSTRINGCAST szValue);
// deleting a value which doesn't exist is not considered an error
(m_dwLastError != ERROR_FILE_NOT_FOUND) ) {
wxLogSysError(m_dwLastError, _("Can't delete value '%s' from key '%s'"),
szValue, GetName().c_str());
- return FALSE;
- }
-#else //WIN16
- // named registry values don't exist in Win16 world
- wxASSERT( IsEmpty(szValue) );
-
- // just set the (default and unique) value of the key to ""
- m_dwLastError = RegSetValue((HKEY) m_hKey, NULL, REG_SZ, "", RESERVED);
- if ( m_dwLastError != ERROR_SUCCESS ) {
- wxLogSysError(m_dwLastError, _("Can't delete value of key '%s'"),
- GetName().c_str());
- return FALSE;
+ return false;
}
-#endif //WIN16/32
- return TRUE;
+ return true;
}
// ----------------------------------------------------------------------------
// access to values and subkeys
// ----------------------------------------------------------------------------
-// return TRUE if value exists
+// return true if value exists
bool wxRegKey::HasValue(const wxChar *szValue) const
{
// this function should be silent, so suppress possible messages from Open()
wxLogNull nolog;
- #ifdef __WIN32__
- if ( !CONST_CAST Open() )
- return FALSE;
+ if ( !CONST_CAST Open(Read) )
+ return false;
LONG dwRet = ::RegQueryValueEx((HKEY) m_hKey,
WXSTRINGCAST szValue,
RESERVED,
NULL, NULL, NULL);
return dwRet == ERROR_SUCCESS;
- #else // WIN16
- // only unnamed value exists
- return IsEmpty(szValue);
- #endif // WIN16/32
}
-// returns TRUE if this key has any values
+// returns true if this key has any values
bool wxRegKey::HasValues() const
{
// suppress possible messages from GetFirstValue()
return CONST_CAST GetFirstValue(str, l);
}
-// returns TRUE if this key has any subkeys
+// returns true if this key has any subkeys
bool wxRegKey::HasSubkeys() const
{
// suppress possible messages from GetFirstKey()
return CONST_CAST GetFirstKey(str, l);
}
-// returns TRUE if given subkey exists
+// returns true if given subkey exists
bool wxRegKey::HasSubKey(const wxChar *szKey) const
{
// this function should be silent, so suppress possible messages from Open()
wxLogNull nolog;
- if ( !CONST_CAST Open() )
- return FALSE;
+ if ( !CONST_CAST Open(Read) )
+ return false;
return KeyExists(m_hKey, szKey);
}
wxRegKey::ValueType wxRegKey::GetValueType(const wxChar *szValue) const
{
- #ifdef __WIN32__
- if ( ! CONST_CAST Open() )
+ if ( ! CONST_CAST Open(Read) )
return Type_None;
DWORD dwType;
}
return (ValueType)dwType;
- #else //WIN16
- return IsEmpty(szValue) ? Type_String : Type_None;
- #endif //WIN16/32
}
#ifdef __WIN32__
m_dwLastError = RegSetValueEx((HKEY) m_hKey, szValue, (DWORD) RESERVED, REG_DWORD,
(RegString)&lValue, sizeof(lValue));
if ( m_dwLastError == ERROR_SUCCESS )
- return TRUE;
+ return true;
}
wxLogSysError(m_dwLastError, _("Can't set value of '%s'"),
GetFullName(this, szValue));
- return FALSE;
+ return false;
}
bool wxRegKey::QueryValue(const wxChar *szValue, long *plValue) const
{
- if ( CONST_CAST Open() ) {
+ if ( CONST_CAST Open(Read) ) {
DWORD dwType, dwSize = sizeof(DWORD);
RegString pBuf = (RegString)plValue;
m_dwLastError = RegQueryValueEx((HKEY) m_hKey, WXSTRINGCAST szValue, RESERVED,
if ( m_dwLastError != ERROR_SUCCESS ) {
wxLogSysError(m_dwLastError, _("Can't read value of key '%s'"),
GetName().c_str());
- return FALSE;
+ return false;
}
else {
// check that we read the value of right type
wxASSERT_MSG( IsNumericValue(szValue),
wxT("Type mismatch in wxRegKey::QueryValue().") );
- return TRUE;
+ return true;
}
}
else
- return FALSE;
+ return false;
+}
+
+bool wxRegKey::SetValue(const wxChar *szValue,const wxMemoryBuffer& buffer)
+{
+#ifdef __TWIN32__
+ wxFAIL_MSG("RegSetValueEx not implemented by TWIN32");
+ return false;
+#else
+ if ( CONST_CAST Open() ) {
+ m_dwLastError = RegSetValueEx((HKEY) m_hKey, szValue, (DWORD) RESERVED, REG_BINARY,
+ (RegBinary)buffer.GetData(),buffer.GetDataLen());
+ if ( m_dwLastError == ERROR_SUCCESS )
+ return true;
+ }
+
+ wxLogSysError(m_dwLastError, _("Can't set value of '%s'"),
+ GetFullName(this, szValue));
+ return false;
+#endif
}
+bool wxRegKey::QueryValue(const wxChar *szValue, wxMemoryBuffer& buffer) const
+{
+ if ( CONST_CAST Open() ) {
+ // first get the type and size of the data
+ DWORD dwType, dwSize;
+ m_dwLastError = RegQueryValueEx((HKEY) m_hKey, WXSTRINGCAST szValue, RESERVED,
+ &dwType, NULL, &dwSize);
+
+ if ( m_dwLastError == ERROR_SUCCESS ) {
+ if ( dwSize ) {
+ const RegBinary pBuf = (RegBinary)buffer.GetWriteBuf(dwSize);
+ m_dwLastError = RegQueryValueEx((HKEY) m_hKey,
+ WXSTRINGCAST szValue,
+ RESERVED,
+ &dwType,
+ pBuf,
+ &dwSize);
+ buffer.UngetWriteBuf(dwSize);
+ } else {
+ buffer.SetDataLen(0);
+ }
+ }
+
+
+ if ( m_dwLastError != ERROR_SUCCESS ) {
+ wxLogSysError(m_dwLastError, _("Can't read value of key '%s'"),
+ GetName().c_str());
+ return false;
+ }
+ return true;
+ }
+ return false;
+}
+
+
+
#endif //Win32
bool wxRegKey::QueryValue(const wxChar *szValue,
wxString& strValue,
bool raw) const
{
- if ( CONST_CAST Open() ) {
- #ifdef __WIN32__
+ if ( CONST_CAST Open(Read) ) {
+
// first get the type and size of the data
DWORD dwType, dwSize;
m_dwLastError = RegQueryValueEx((HKEY) m_hKey, WXSTRINGCAST szValue, RESERVED,
strValue.Empty();
}
else {
- RegString pBuf = (RegString)strValue.GetWriteBuf(dwSize);
m_dwLastError = RegQueryValueEx((HKEY) m_hKey,
WXSTRINGCAST szValue,
RESERVED,
&dwType,
- pBuf,
+ (RegString)(wxChar*)wxStringBuffer(strValue, dwSize),
&dwSize);
- strValue.UngetWriteBuf();
// expand the var expansions in the string unless disabled
#ifndef __WXWINCE__
ok = ::ExpandEnvironmentStrings
(
strValue,
- strExpValue.GetWriteBuf(dwExpSize),
+ wxStringBuffer(strExpValue, dwExpSize),
dwExpSize
) != 0;
- strExpValue.UngetWriteBuf();
strValue = strExpValue;
}
wxLogLastError(_T("ExpandEnvironmentStrings"));
}
}
+#else
+ wxUnusedVar(raw);
#endif
// __WXWINCE__
}
wxASSERT_MSG( !IsNumericValue(szValue),
wxT("Type mismatch in wxRegKey::QueryValue().") );
- return TRUE;
+ return true;
}
}
- #else //WIN16
- // named registry values don't exist in Win16
- wxASSERT( IsEmpty(szValue) );
-
- m_dwLastError = RegQueryValue((HKEY) m_hKey, 0, strValue.GetWriteBuf(256), &l);
- strValue.UngetWriteBuf();
- if ( m_dwLastError == ERROR_SUCCESS )
- return TRUE;
- #endif //WIN16/32
}
wxLogSysError(m_dwLastError, _("Can't read value of '%s'"),
GetFullName(this, szValue));
- return FALSE;
+ return false;
}
bool wxRegKey::SetValue(const wxChar *szValue, const wxString& strValue)
{
if ( CONST_CAST Open() ) {
-#if defined( __WIN32__)
m_dwLastError = RegSetValueEx((HKEY) m_hKey, szValue, (DWORD) RESERVED, REG_SZ,
(RegString)strValue.c_str(),
(strValue.Len() + 1)*sizeof(wxChar));
if ( m_dwLastError == ERROR_SUCCESS )
- return TRUE;
-#else //WIN16
- // named registry values don't exist in Win16
- wxASSERT( IsEmpty(szValue) );
-
- m_dwLastError = RegSetValue((HKEY) m_hKey, NULL, REG_SZ, strValue, NULL);
- if ( m_dwLastError == ERROR_SUCCESS )
- return TRUE;
-#endif //WIN16/32
+ return true;
}
wxLogSysError(m_dwLastError, _("Can't set value of '%s'"),
GetFullName(this, szValue));
- return FALSE;
+ return false;
}
wxString wxRegKey::QueryDefaultValue() const
bool wxRegKey::GetFirstValue(wxString& strValueName, long& lIndex)
{
- if ( !Open() )
- return FALSE;
+ if ( !Open(Read) )
+ return false;
lIndex = 0;
return GetNextValue(strValueName, lIndex);
// are we already at the end of enumeration?
if ( lIndex == -1 )
- return FALSE;
+ return false;
-#if defined( __WIN32__)
wxChar szValueName[1024]; // @@ use RegQueryInfoKey...
DWORD dwValueLen = WXSIZEOF(szValueName);
GetName().c_str());
}
- return FALSE;
+ return false;
}
strValueName = szValueName;
-#else //WIN16
- // only one unnamed value
- wxASSERT( lIndex == 0 );
- lIndex = -1;
- strValueName.Empty();
-#endif
-
- return TRUE;
+ return true;
}
bool wxRegKey::GetFirstKey(wxString& strKeyName, long& lIndex)
{
- if ( !Open() )
- return FALSE;
+ if ( !Open(Read) )
+ return false;
lIndex = 0;
return GetNextKey(strKeyName, lIndex);
// are we already at the end of enumeration?
if ( lIndex == -1 )
- return FALSE;
+ return false;
wxChar szKeyName[_MAX_PATH + 1];
GetName().c_str());
}
- return FALSE;
+ return false;
}
strKeyName = szKeyName;
- return TRUE;
+ return true;
}
-// returns TRUE if the value contains a number (else it's some string)
+// returns true if the value contains a number (else it's some string)
bool wxRegKey::IsNumericValue(const wxChar *szValue) const
- {
- ValueType type = GetValueType(szValue);
- switch ( type ) {
+{
+ ValueType type = GetValueType(szValue);
+ switch ( type ) {
case Type_Dword:
/* case Type_Dword_little_endian: == Type_Dword */
case Type_Dword_big_endian:
- return TRUE;
+ return true;
default:
- return FALSE;
- }
- }
+ return false;
+ }
+}
// ============================================================================
// implementation of global private functions
bool KeyExists(WXHKEY hRootKey, const wxChar *szKey)
{
- // don't close this key itself for the case of empty szKey!
- if ( wxIsEmpty(szKey) )
- return TRUE;
-
- HKEY hkeyDummy;
- if ( RegOpenKeyEx( (HKEY) hRootKey, szKey, 0, 0, &hkeyDummy) == ERROR_SUCCESS ) {
- RegCloseKey(hkeyDummy);
- return TRUE;
- }
- else
- return FALSE;
+ // don't close this key itself for the case of empty szKey!
+ if ( wxIsEmpty(szKey) )
+ return true;
+
+ HKEY hkeyDummy;
+ if ( ::RegOpenKeyEx
+ (
+ (HKEY)hRootKey,
+ szKey,
+ RESERVED,
+ KEY_READ, // we might not have enough rights for rw access
+ &hkeyDummy
+ ) == ERROR_SUCCESS )
+ {
+ ::RegCloseKey(hkeyDummy);
+
+ return true;
+ }
+
+ return false;
}
const wxChar *GetFullName(const wxRegKey *pKey, const wxChar *szValue)
str.Truncate(str.Len() - 1);
}
-#endif
- // __WIN16__
-
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