// Name: msw/registry.cpp
// Purpose: implementation of registry classes and functions
// Author: Vadim Zeitlin
-// Modified by:
+// Modified by:
// Created: 03.04.98
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
const wxChar *szName;
const wxChar *szShortName;
}
-aStdKeys[] =
-{
+aStdKeys[] =
+{
{ HKEY_CLASSES_ROOT, wxT("HKEY_CLASSES_ROOT"), wxT("HKCR") },
#ifdef __WIN32__
{ HKEY_CURRENT_USER, wxT("HKEY_CURRENT_USER"), wxT("HKCU") },
static bool KeyExists(WXHKEY hRootKey, const wxChar *szKey);
// combines value and key name (uses static buffer!)
-static const wxChar *GetFullName(const wxRegKey *pKey,
+static const wxChar *GetFullName(const wxRegKey *pKey,
const wxChar *szValue = NULL);
// ============================================================================
const size_t wxRegKey::nStdKeys = WXSIZEOF(aStdKeys);
// @@ should take a `StdKey key', but as it's often going to be used in loops
-// it would require casts in user code.
+// it would require casts in user code.
const wxChar *wxRegKey::GetStdKeyName(size_t key)
{
// return empty string if key is invalid
HKEY hRootKey = 0;
size_t ui;
for ( ui = 0; ui < nStdKeys; ui++ ) {
- if ( strRoot.CmpNoCase(aStdKeys[ui].szName) == 0 ||
+ if ( strRoot.CmpNoCase(aStdKeys[ui].szName) == 0 ||
strRoot.CmpNoCase(aStdKeys[ui].szShortName) == 0 ) {
hRootKey = aStdKeys[ui].hkey;
break;
if ( (int) aStdKeys[ui].hkey == (int) hkey )
return (StdKey)ui;
}
-
+
wxFAIL_MSG(wxT("non root hkey passed to wxRegKey::GetStdKeyFromHkey."));
return HKCR;
: m_strKey(keyParent.m_strKey)
{
// combine our name with parent's to get the full name
- if ( !m_strKey.IsEmpty() &&
+ if ( !m_strKey.IsEmpty() &&
(strKey.IsEmpty() || strKey[0] != REG_SEPARATOR) ) {
m_strKey += REG_SEPARATOR;
}
wxString wxRegKey::GetName(bool bShortPrefix) const
{
StdKey key = GetStdKeyFromHkey((StdKey) m_hRootKey);
- wxString str = bShortPrefix ? aStdKeys[key].szShortName
+ wxString str = bShortPrefix ? aStdKeys[key].szShortName
: aStdKeys[key].szName;
if ( !m_strKey.IsEmpty() )
str << "\\" << m_strKey;
return str;
}
-#if defined( __GNUWIN32_OLD__ )
-bool wxRegKey::GetKeyInfo(size_t* pnSubKeys,
- size_t* pnMaxKeyLen,
- size_t* pnValues,
- size_t* pnMaxValueLen) const
-#else
-bool wxRegKey::GetKeyInfo(ulong *pnSubKeys,
- ulong *pnMaxKeyLen,
- ulong *pnValues,
- ulong *pnMaxValueLen) const
-#endif
+bool wxRegKey::GetKeyInfo(size_t *pnSubKeys,
+ size_t *pnMaxKeyLen,
+ size_t *pnValues,
+ size_t *pnMaxValueLen) const
{
#if defined(__WIN32__) && !defined(__TWIN32__)
+
+ // old gcc headers incorrectly prototype RegQueryInfoKey()
+#ifdef __GNUWIN32_OLD__
+ #define REG_PARAM (size_t *)
+#else
+ #define REG_PARAM (LPDWORD)
+#endif
+
m_dwLastError = ::RegQueryInfoKey
(
(HKEY) m_hKey,
NULL, // class name
NULL, // (ptr to) size of class name buffer
RESERVED,
+ REG_PARAM
pnSubKeys, // [out] number of subkeys
+ REG_PARAM
pnMaxKeyLen, // [out] max length of a subkey name
NULL, // longest subkey class name
+ REG_PARAM
pnValues, // [out] number of values
+ REG_PARAM
pnMaxValueLen, // [out] max length of a value name
NULL, // longest value data
NULL, // security descriptor
NULL // time of last modification
);
+#undef REG_PARAM
+
if ( m_dwLastError != ERROR_SUCCESS ) {
- wxLogSysError(m_dwLastError, _("can't get info about registry key '%s'"),
+ wxLogSysError(m_dwLastError, _("Can't get info about registry key '%s'"),
GetName().c_str());
return FALSE;
}
HKEY tmpKey;
m_dwLastError = RegOpenKey((HKEY) m_hRootKey, m_strKey, &tmpKey);
if ( m_dwLastError != ERROR_SUCCESS ) {
- wxLogSysError(m_dwLastError, _("can't open registry key '%s'"),
+ wxLogSysError(m_dwLastError, _("Can't open registry key '%s'"),
GetName().c_str());
return FALSE;
}
HKEY tmpKey;
m_dwLastError = RegCreateKey((HKEY) m_hRootKey, m_strKey, &tmpKey);
if ( m_dwLastError != ERROR_SUCCESS ) {
- wxLogSysError(m_dwLastError, _("can't create registry key '%s'"),
+ wxLogSysError(m_dwLastError, _("Can't create registry key '%s'"),
GetName().c_str());
return FALSE;
}
if ( IsOpened() ) {
m_dwLastError = RegCloseKey((HKEY) m_hKey);
if ( m_dwLastError != ERROR_SUCCESS ) {
- wxLogSysError(m_dwLastError, _("can't close registry key '%s'"),
+ wxLogSysError(m_dwLastError, _("Can't close registry key '%s'"),
GetName().c_str());
m_hKey = 0;
return TRUE;
}
+bool wxRegKey::RenameValue(const wxChar *szValueOld, const wxChar *szValueNew)
+{
+ bool ok = TRUE;
+ if ( HasValue(szValueNew) ) {
+ wxLogError(_("Registry value '%s' already exists."), szValueNew);
+
+ ok = FALSE;
+ }
+
+ if ( !ok || !CopyValue(szValueOld, *this, szValueNew) ) {
+ wxLogError(_("Failed to rename registry value '%s' to '%s'."),
+ szValueOld, szValueNew);
+
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+bool wxRegKey::CopyValue(const wxChar *szValue,
+ wxRegKey& keyDst,
+ const wxChar *szValueNew)
+{
+ switch ( GetValueType(szValue) ) {
+ case Type_String:
+ {
+ wxString strVal;
+ return QueryValue(szValue, strVal) &&
+ keyDst.SetValue(szValueNew, strVal);
+ }
+
+ case Type_Dword:
+ /* case Type_Dword_little_endian: == Type_Dword */
+ {
+ long dwVal;
+ return QueryValue(szValue, &dwVal) &&
+ keyDst.SetValue(szValueNew, dwVal);
+ }
+
+ // 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:
+ case Type_Resource_list:
+ case Type_Full_resource_descriptor:
+ case Type_Resource_requirements_list:
+#endif // Win32
+ default:
+ wxLogError(_("Can't copy values of unsupported type %d."),
+ GetValueType(szValue));
+ return FALSE;
+ }
+}
+
+bool wxRegKey::Copy(const wxString& strNewName)
+{
+ // create the new key first
+ wxRegKey keyDst(strNewName);
+ bool ok = keyDst.Create(FALSE /* fail if alredy exists */);
+ if ( ok ) {
+ ok = Copy(keyDst);
+
+ // we created the dest key but copying to it failed - delete it
+ if ( !ok ) {
+ (void)keyDst.DeleteSelf();
+ }
+ }
+
+ return 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);
+ }
+
+ // 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;
+}
+
// ----------------------------------------------------------------------------
// delete keys/values
// ----------------------------------------------------------------------------
m_dwLastError = RegDeleteKey((HKEY) m_hRootKey, m_strKey);
if ( m_dwLastError != ERROR_SUCCESS ) {
- wxLogSysError(m_dwLastError, _("can't delete key '%s'"),
+ wxLogSysError(m_dwLastError, _("Can't delete key '%s'"),
GetName().c_str());
return FALSE;
}
#if defined(__WIN32__) && !defined(__TWIN32__)
m_dwLastError = RegDeleteValue((HKEY) m_hKey, WXSTRINGCAST szValue);
if ( m_dwLastError != ERROR_SUCCESS ) {
- wxLogSysError(m_dwLastError, _("can't delete value '%s' from key '%s'"),
+ wxLogSysError(m_dwLastError, _("Can't delete value '%s' from key '%s'"),
szValue, GetName().c_str());
return FALSE;
}
// 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'"),
+ wxLogSysError(m_dwLastError, _("Can't delete value of key '%s'"),
GetName().c_str());
return FALSE;
}
{
// this function should be silent, so suppress possible messages from Open()
wxLogNull nolog;
-
+
#ifdef __WIN32__
if ( CONST_CAST Open() ) {
return RegQueryValueEx((HKEY) m_hKey, WXSTRINGCAST szValue, RESERVED,
{
// suppress possible messages from GetFirstValue()
wxLogNull nolog;
-
+
// just call GetFirstValue with dummy parameters
wxString str;
long l;
{
// suppress possible messages from GetFirstKey()
wxLogNull nolog;
-
+
// just call GetFirstKey with dummy parameters
wxString str;
long l;
{
// this function should be silent, so suppress possible messages from Open()
wxLogNull nolog;
-
+
if ( CONST_CAST Open() )
return KeyExists(m_hKey, szKey);
else
m_dwLastError = RegQueryValueEx((HKEY) m_hKey, WXSTRINGCAST szValue, RESERVED,
&dwType, NULL, NULL);
if ( m_dwLastError != ERROR_SUCCESS ) {
- wxLogSysError(m_dwLastError, _("can't read value of key '%s'"),
+ wxLogSysError(m_dwLastError, _("Can't read value of key '%s'"),
GetName().c_str());
return Type_None;
}
return TRUE;
}
- wxLogSysError(m_dwLastError, _("can't set value of '%s'"),
+ wxLogSysError(m_dwLastError, _("Can't set value of '%s'"),
GetFullName(this, szValue));
return FALSE;
#endif
m_dwLastError = RegQueryValueEx((HKEY) m_hKey, WXSTRINGCAST szValue, RESERVED,
&dwType, pBuf, &dwSize);
if ( m_dwLastError != ERROR_SUCCESS ) {
- wxLogSysError(m_dwLastError, _("can't read value of key '%s'"),
+ wxLogSysError(m_dwLastError, _("Can't read value of key '%s'"),
GetName().c_str());
return FALSE;
}
else {
// check that we read the value of right type
- wxASSERT_MSG( dwType == REG_DWORD,
+ wxASSERT_MSG( IsNumericValue(szValue),
wxT("Type mismatch in wxRegKey::QueryValue().") );
return TRUE;
m_dwLastError = RegQueryValueEx((HKEY) m_hKey, WXSTRINGCAST szValue, RESERVED,
&dwType, NULL, &dwSize);
if ( m_dwLastError == ERROR_SUCCESS ) {
- RegString pBuf = (RegString)strValue.GetWriteBuf(dwSize);
- m_dwLastError = RegQueryValueEx((HKEY) m_hKey, WXSTRINGCAST szValue, RESERVED,
- &dwType, pBuf, &dwSize);
- strValue.UngetWriteBuf();
+ if ( !dwSize ) {
+ // must treat this case specially as GetWriteBuf() doesn't like
+ // being called with 0 size
+ strValue.Empty();
+ }
+ else {
+ RegString pBuf = (RegString)strValue.GetWriteBuf(dwSize);
+ m_dwLastError = RegQueryValueEx((HKEY) m_hKey,
+ WXSTRINGCAST szValue,
+ RESERVED,
+ &dwType,
+ pBuf,
+ &dwSize);
+ strValue.UngetWriteBuf();
+ }
+
if ( m_dwLastError == ERROR_SUCCESS ) {
// check that it was the right type
- wxASSERT_MSG( dwType == REG_SZ,
+ wxASSERT_MSG( !IsNumericValue(szValue),
wxT("Type mismatch in wxRegKey::QueryValue().") );
return TRUE;
#endif //WIN16/32
}
- wxLogSysError(m_dwLastError, _("can't read value of '%s'"),
+ wxLogSysError(m_dwLastError, _("Can't read value of '%s'"),
GetFullName(this, szValue));
return FALSE;
}
if ( CONST_CAST Open() ) {
#if defined( __WIN32__) && !defined(__TWIN32__)
m_dwLastError = RegSetValueEx((HKEY) m_hKey, szValue, (DWORD) RESERVED, REG_SZ,
- (RegString)strValue.c_str(),
+ (RegString)strValue.c_str(),
strValue.Len() + 1);
if ( m_dwLastError == ERROR_SUCCESS )
return TRUE;
#endif //WIN16/32
}
- wxLogSysError(m_dwLastError, _("can't set value of '%s'"),
+ wxLogSysError(m_dwLastError, _("Can't set value of '%s'"),
GetFullName(this, szValue));
return FALSE;
}
m_dwLastError = RegEnumValue((HKEY) m_hKey, lIndex++,
szValueName, &dwValueLen,
- RESERVED,
- NULL, // [out] type
+ RESERVED,
+ NULL, // [out] type
NULL, // [out] buffer for value
NULL); // [i/o] it's length
lIndex = -1;
}
else {
- wxLogSysError(m_dwLastError, _("can't enumerate values of key '%s'"),
+ wxLogSysError(m_dwLastError, _("Can't enumerate values of key '%s'"),
GetName().c_str());
}
lIndex = -1;
}
else {
- wxLogSysError(m_dwLastError, _("can't enumerate subkeys of key '%s'"),
+ wxLogSysError(m_dwLastError, _("Can't enumerate subkeys of key '%s'"),
GetName().c_str());
}
// 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 ) {
case Type_Dword:
- case Type_Dword_little_endian:
+ /* case Type_Dword_little_endian: == Type_Dword */
case Type_Dword_big_endian:
return TRUE;
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