// - add high level functions (RegisterOleServer, ...)
///////////////////////////////////////////////////////////////////////////////
-// ============================================================================
-// declarations
-// ============================================================================
-
-// ----------------------------------------------------------------------------
-// headers
-// ----------------------------------------------------------------------------
+#ifdef __GNUG__
+#pragma implementation "registry.h"
+#endif
// for compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#include "wx/string.h"
#include "wx/intl.h"
#include "wx/log.h"
+#include "wx/config.h" // for wxExpandEnvVars
+
+#ifndef __WIN16__
// Windows headers
/*
static inline void RemoveTrailingSeparator(wxString& str);
// returns TRUE if given registry key exists
-static bool KeyExists(HKEY hRootKey, const char *szKey);
+static bool KeyExists(WXHKEY hRootKey, const char *szKey);
// combines value and key name (uses static buffer!)
static const char *GetFullName(const wxRegKey *pKey,
{
wxString strRoot = strKey.Left(REG_SEPARATOR);
- HKEY hRootKey;
+ HKEY hRootKey = 0;
size_t ui;
for ( ui = 0; ui < nStdKeys; ui++ ) {
if ( strRoot.CmpNoCase(aStdKeys[ui].szName) == 0 ||
return (wxRegKey::StdKey)(int)hRootKey;
}
-wxRegKey::StdKey wxRegKey::GetStdKeyFromHkey(HKEY hkey)
+wxRegKey::StdKey wxRegKey::GetStdKeyFromHkey(WXHKEY hkey)
{
for ( size_t ui = 0; ui < nStdKeys; ui++ ) {
- if ( aStdKeys[ui].hkey == hkey )
+ if ( (int) aStdKeys[ui].hkey == (int) hkey )
return (StdKey)ui;
}
wxRegKey::wxRegKey()
{
m_hKey = 0;
- m_hRootKey = aStdKeys[HKCR].hkey;
+ m_hRootKey = (WXHKEY) aStdKeys[HKCR].hkey;
m_dwLastError = 0;
}
wxRegKey::wxRegKey(const wxString& strKey) : m_strKey(strKey)
{
- m_hRootKey = aStdKeys[ExtractKeyName(m_strKey)].hkey;
- m_hKey = NULL;
+ m_hRootKey = (WXHKEY) aStdKeys[ExtractKeyName(m_strKey)].hkey;
+ m_hKey = (WXHKEY) NULL;
m_dwLastError = 0;
}
wxRegKey::wxRegKey(StdKey keyParent, const wxString& strKey) : m_strKey(strKey)
{
RemoveTrailingSeparator(m_strKey);
- m_hRootKey = aStdKeys[keyParent].hkey;
- m_hKey = NULL;
+ m_hRootKey = (WXHKEY) aStdKeys[keyParent].hkey;
+ m_hKey = (WXHKEY) NULL;
m_dwLastError = 0;
}
RemoveTrailingSeparator(m_strKey);
m_hRootKey = keyParent.m_hRootKey;
- m_hKey = NULL;
+ m_hKey = (WXHKEY) NULL;
m_dwLastError = 0;
}
Close();
m_strKey = strKey;
- m_hRootKey = aStdKeys[ExtractKeyName(m_strKey)].hkey;
+ m_hRootKey = (WXHKEY) aStdKeys[ExtractKeyName(m_strKey)].hkey;
}
// the name is relative to the parent key
m_strKey = strKey;
RemoveTrailingSeparator(m_strKey);
- m_hRootKey = aStdKeys[keyParent].hkey;
+ m_hRootKey = (WXHKEY) aStdKeys[keyParent].hkey;
}
// the name is relative to the parent key
}
// hKey should be opened and will be closed in wxRegKey dtor
-void wxRegKey::SetHkey(HKEY hKey)
+void wxRegKey::SetHkey(WXHKEY hKey)
{
Close();
// returns the full name of the key (prefix is abbreviated if bShortPrefix)
wxString wxRegKey::GetName(bool bShortPrefix) const
{
- StdKey key = GetStdKeyFromHkey(m_hRootKey);
+ StdKey key = GetStdKeyFromHkey((StdKey) m_hRootKey);
wxString str = bShortPrefix ? aStdKeys[key].szShortName
: aStdKeys[key].szName;
if ( !m_strKey.IsEmpty() )
ulong *pnMaxValueLen) const
#endif
{
-#ifdef __WIN32__
+#if defined(__WIN32__) && !defined(__TWIN32__)
m_dwLastError = ::RegQueryInfoKey
(
- m_hKey,
+ (HKEY) m_hKey,
NULL, // class name
NULL, // (ptr to) size of class name buffer
RESERVED,
if ( IsOpened() )
return TRUE;
- m_dwLastError = RegOpenKey(m_hRootKey, m_strKey, &m_hKey);
+ 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'"),
GetName().c_str());
return FALSE;
}
else
+ {
+ m_hKey = (WXHKEY) tmpKey;
return TRUE;
+ }
}
// creates key, failing if it exists and !bOkIfExists
if ( IsOpened() )
return TRUE;
- m_dwLastError = RegCreateKey(m_hRootKey, m_strKey, &m_hKey);
+ 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'"),
GetName().c_str());
return FALSE;
}
else
+ {
+ m_hKey = (WXHKEY) tmpKey;
return TRUE;
+ }
}
// close the key, it's not an error to call it when not opened
bool wxRegKey::Close()
{
if ( IsOpened() ) {
- m_dwLastError = RegCloseKey(m_hKey);
+ m_dwLastError = RegCloseKey((HKEY) m_hKey);
if ( m_dwLastError != ERROR_SUCCESS ) {
wxLogSysError(m_dwLastError, _("can't close registry key '%s'"),
GetName().c_str());
}
}
+ // 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.IsEmpty() || (m_hRootKey != HKCR &&
+ m_strKey.Find(REG_SEPARATOR) == wxNOT_FOUND) ) {
+ wxLogError(_("Registry key '%s' is needed for normal system operation,\n"
+ "deleting it will leave your system in unusable state:\n"
+ "operation 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;
// now delete this key itself
Close();
- m_dwLastError = RegDeleteKey(m_hRootKey, m_strKey);
+ m_dwLastError = RegDeleteKey((HKEY) m_hRootKey, m_strKey);
if ( m_dwLastError != ERROR_SUCCESS ) {
wxLogSysError(m_dwLastError, _("can't delete key '%s'"),
GetName().c_str());
if ( !Open() )
return FALSE;
- #ifdef __WIN32__
- m_dwLastError = RegDeleteValue(m_hKey, szValue);
+#if defined(__WIN32__) && !defined(__TWIN32__)
+ m_dwLastError = RegDeleteValue((HKEY) m_hKey, (char*) (const char*) szValue);
if ( m_dwLastError != ERROR_SUCCESS ) {
wxLogSysError(m_dwLastError, _("can't delete value '%s' from key '%s'"),
szValue, GetName().c_str());
wxASSERT( IsEmpty(szValue) );
// just set the (default and unique) value of the key to ""
- m_dwLastError = RegSetValue(m_hKey, NULL, REG_SZ, "", RESERVED);
+ 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());
#ifdef __WIN32__
if ( CONST_CAST Open() ) {
- return RegQueryValueEx(m_hKey, szValue, RESERVED,
+ return RegQueryValueEx((HKEY) m_hKey, (char*) (const char*) szValue, RESERVED,
NULL, NULL, NULL) == ERROR_SUCCESS;
}
else
// 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;
// returns TRUE if given subkey exists
bool wxRegKey::HasSubKey(const char *szKey) const
{
+ // this function should be silent, so suppress possible messages from Open()
+ wxLogNull nolog;
+
if ( CONST_CAST Open() )
return KeyExists(m_hKey, szKey);
else
return FALSE;
}
-wxRegKey::ValueType wxRegKey::GetValueType(const char *szValue)
+wxRegKey::ValueType wxRegKey::GetValueType(const char *szValue) const
{
#ifdef __WIN32__
- if ( !Open() )
+ if ( ! CONST_CAST Open() )
return Type_None;
DWORD dwType;
- m_dwLastError = RegQueryValueEx(m_hKey, szValue, RESERVED,
+ m_dwLastError = RegQueryValueEx((HKEY) m_hKey, (char*) (const char*) szValue, RESERVED,
&dwType, NULL, NULL);
if ( m_dwLastError != ERROR_SUCCESS ) {
wxLogSysError(m_dwLastError, _("can't read value of key '%s'"),
#ifdef __WIN32__
bool wxRegKey::SetValue(const char *szValue, long lValue)
{
+#ifdef __TWIN32__
+ wxFAIL_MSG("RegSetValueEx not implemented by TWIN32");
+ return FALSE;
+#else
if ( CONST_CAST Open() ) {
- m_dwLastError = RegSetValueEx(m_hKey, szValue, RESERVED, REG_DWORD,
+ m_dwLastError = RegSetValueEx((HKEY) m_hKey, szValue, (DWORD) RESERVED, REG_DWORD,
(RegString)&lValue, sizeof(lValue));
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 char *szValue, long *plValue) const
if ( CONST_CAST Open() ) {
DWORD dwType, dwSize = sizeof(DWORD);
RegString pBuf = (RegString)plValue;
- m_dwLastError = RegQueryValueEx(m_hKey, szValue, RESERVED,
+ m_dwLastError = RegQueryValueEx((HKEY) m_hKey, (char*) (const char*) szValue, RESERVED,
&dwType, pBuf, &dwSize);
if ( m_dwLastError != ERROR_SUCCESS ) {
wxLogSysError(m_dwLastError, _("can't read value of key '%s'"),
#ifdef __WIN32__
// first get the type and size of the data
DWORD dwType, dwSize;
- m_dwLastError = RegQueryValueEx(m_hKey, szValue, RESERVED,
+ m_dwLastError = RegQueryValueEx((HKEY) m_hKey, (char*) (const char*) szValue, RESERVED,
&dwType, NULL, &dwSize);
if ( m_dwLastError == ERROR_SUCCESS ) {
RegString pBuf = (RegString)strValue.GetWriteBuf(dwSize);
- m_dwLastError = RegQueryValueEx(m_hKey, szValue, RESERVED,
+ m_dwLastError = RegQueryValueEx((HKEY) m_hKey, (char*) (const char*) szValue, RESERVED,
&dwType, pBuf, &dwSize);
strValue.UngetWriteBuf();
if ( m_dwLastError == ERROR_SUCCESS ) {
// named registry values don't exist in Win16
wxASSERT( IsEmpty(szValue) );
- m_dwLastError = RegQueryValue(m_hKey, 0, strValue.GetWriteBuf(256), &l);
+ m_dwLastError = RegQueryValue((HKEY) m_hKey, 0, strValue.GetWriteBuf(256), &l);
strValue.UngetWriteBuf();
if ( m_dwLastError == ERROR_SUCCESS )
return TRUE;
bool wxRegKey::SetValue(const char *szValue, const wxString& strValue)
{
if ( CONST_CAST Open() ) {
- #ifdef __WIN32__
- m_dwLastError = RegSetValueEx(m_hKey, szValue, RESERVED, REG_SZ,
+#if defined( __WIN32__) && !defined(__TWIN32__)
+ m_dwLastError = RegSetValueEx((HKEY) m_hKey, szValue, (DWORD) RESERVED, REG_SZ,
(RegString)strValue.c_str(),
strValue.Len() + 1);
if ( m_dwLastError == ERROR_SUCCESS )
// named registry values don't exist in Win16
wxASSERT( IsEmpty(szValue) );
- m_dwLastError = RegSetValue(m_hKey, NULL, REG_SZ, strValue, NULL);
+ m_dwLastError = RegSetValue((HKEY) m_hKey, NULL, REG_SZ, strValue, NULL);
if ( m_dwLastError == ERROR_SUCCESS )
return TRUE;
#endif //WIN16/32
if ( lIndex == -1 )
return FALSE;
- #ifdef __WIN32__
+#if defined( __WIN32__) && !defined(__TWIN32__)
char szValueName[1024]; // @@ use RegQueryInfoKey...
DWORD dwValueLen = WXSIZEOF(szValueName);
lIndex++;
- m_dwLastError = RegEnumValue(m_hKey, lIndex,
+ m_dwLastError = RegEnumValue((HKEY) m_hKey, lIndex,
szValueName, &dwValueLen,
RESERVED,
NULL, // [out] type
return FALSE;
char szKeyName[_MAX_PATH + 1];
- m_dwLastError = RegEnumKey(m_hKey, lIndex++, szKeyName, WXSIZEOF(szKeyName));
+ m_dwLastError = RegEnumKey((HKEY) m_hKey, lIndex++, szKeyName, WXSIZEOF(szKeyName));
if ( m_dwLastError != ERROR_SUCCESS ) {
if ( m_dwLastError == ERROR_NO_MORE_ITEMS ) {
return TRUE;
}
+// returns TRUE if the value contains a number (else it's some string)
+bool wxRegKey::IsNumericValue(const char *szValue) const
+ {
+ ValueType type = GetValueType(szValue);
+ switch ( type ) {
+ case Type_Dword:
+ case Type_Dword_little_endian:
+ case Type_Dword_big_endian:
+ return TRUE;
+
+ default:
+ return FALSE;
+ }
+ }
+
// ============================================================================
// implementation of global private functions
// ============================================================================
-bool KeyExists(HKEY hRootKey, const char *szKey)
+bool KeyExists(WXHKEY hRootKey, const char *szKey)
{
HKEY hkeyDummy;
- if ( RegOpenKey(hRootKey, szKey, &hkeyDummy) == ERROR_SUCCESS ) {
+ if ( RegOpenKey( (HKEY) hRootKey, szKey, &hkeyDummy) == ERROR_SUCCESS ) {
RegCloseKey(hkeyDummy);
return TRUE;
}
str.Truncate(str.Len() - 1);
}
-// ============================================================================
-// global public functions
-// ============================================================================
-
-bool GetExtensionFromMimeType(wxString *pExt, const wxString& strMimeType)
-{
- // @@@ VZ: I don't know of any official documentation which mentions this
- // location, but as a matter of fact IE uses it, so why not we?
- static const char *szMimeDbase = "MIME\\Database\\Content Type\\";
-
- wxString strKey = szMimeDbase;
- strKey << strMimeType;
-
- // suppress possible error messages
- wxLogNull nolog;
- wxRegKey key(wxRegKey::HKCR, strKey);
- if ( key.IsOpened() ) {
- if ( key.QueryValue("Extension", *pExt) )
- return TRUE;
- }
-
- // no such MIME type or no extension for it
- return FALSE;
-}
-
-bool GetMimeTypeFromExtension(wxString *pMimeType, const wxString& strExt)
-{
- wxCHECK( !strExt.IsEmpty(), FALSE );
-
- // add the leading point if necessary
- wxString str;
- if ( strExt[0] != '.' ) {
- str = '.';
- }
- str << strExt;
-
- // suppress possible error messages
- wxLogNull nolog;
- wxRegKey key(wxRegKey::HKCR, str);
- if ( key.IsOpened() ) {
- if ( key.QueryValue("Content Type", *pMimeType) )
- return TRUE;
- }
-
- // no such extension or no content-type
- return FALSE;
-}
-
-bool GetFileTypeFromExtension(wxString *pFileType, const wxString& strExt)
-{
- wxCHECK( !strExt.IsEmpty(), FALSE );
-
- // add the leading point if necessary
- wxString str;
- if ( strExt[0] != '.' ) {
- str = '.';
- }
- str << strExt;
-
- // suppress possible error messages
- wxLogNull nolog;
- wxRegKey key(wxRegKey::HKCR, str);
- if ( key.IsOpened() ) {
- if ( key.QueryValue("", *pFileType) ) // it's the default value of the key
- return TRUE;
- }
+#endif
+ // __WIN16__
- // no such extension or no value
- return FALSE;
-}
\ No newline at end of file