// 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>
// - 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
/*
#define STRICT
static struct
{
HKEY hkey;
- const char *szName;
- const char *szShortName;
+ const wxChar *szName;
+ const wxChar *szShortName;
}
-aStdKeys[] =
-{
- { HKEY_CLASSES_ROOT, "HKEY_CLASSES_ROOT", "HKCR" },
+aStdKeys[] =
+{
+ { HKEY_CLASSES_ROOT, wxT("HKEY_CLASSES_ROOT"), wxT("HKCR") },
#ifdef __WIN32__
- { HKEY_CURRENT_USER, "HKEY_CURRENT_USER", "HKCU" },
- { HKEY_LOCAL_MACHINE, "HKEY_LOCAL_MACHINE", "HKLM" },
- { HKEY_USERS, "HKEY_USERS", "HKU" }, // short name?
- { HKEY_PERFORMANCE_DATA, "HKEY_PERFORMANCE_DATA", "HKPD" },
+ { HKEY_CURRENT_USER, wxT("HKEY_CURRENT_USER"), wxT("HKCU") },
+ { HKEY_LOCAL_MACHINE, wxT("HKEY_LOCAL_MACHINE"), wxT("HKLM") },
+ { HKEY_USERS, wxT("HKEY_USERS"), wxT("HKU") }, // short name?
+ { HKEY_PERFORMANCE_DATA, wxT("HKEY_PERFORMANCE_DATA"), wxT("HKPD") },
#if WINVER >= 0x0400
- { HKEY_CURRENT_CONFIG, "HKEY_CURRENT_CONFIG", "HKCC" },
+ { HKEY_CURRENT_CONFIG, wxT("HKEY_CURRENT_CONFIG"), wxT("HKCC") },
#ifndef __GNUWIN32__
- { HKEY_DYN_DATA, "HKEY_DYN_DATA", "HKDD" }, // short name?
+ { HKEY_DYN_DATA, wxT("HKEY_DYN_DATA"), wxT("HKDD") }, // short name?
#endif //GNUWIN32
#endif //WINVER >= 4.0
#endif //WIN32
};
// the registry name separator (perhaps one day MS will change it to '/' ;-)
-#define REG_SEPARATOR '\\'
+#define REG_SEPARATOR wxT('\\')
// useful for Windows programmers: makes somewhat more clear all these zeroes
// being passed to Windows APIs
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 wxChar *szKey);
// combines value and key name (uses static buffer!)
-static const char *GetFullName(const wxRegKey *pKey,
- const char *szValue = NULL);
+static const wxChar *GetFullName(const wxRegKey *pKey,
+ const wxChar *szValue = NULL);
// ============================================================================
// implementation of wxRegKey class
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.
-const char *wxRegKey::GetStdKeyName(size_t key)
+// it would require casts in user code.
+const wxChar *wxRegKey::GetStdKeyName(size_t key)
{
// return empty string if key is invalid
- wxCHECK_MSG( key < nStdKeys, "", "invalid key in wxRegKey::GetStdKeyName" );
+ wxCHECK_MSG( key < nStdKeys, wxT(""), wxT("invalid key in wxRegKey::GetStdKeyName") );
return aStdKeys[key].szName;
}
-const char *wxRegKey::GetStdKeyShortName(size_t key)
+const wxChar *wxRegKey::GetStdKeyShortName(size_t key)
{
// return empty string if key is invalid
- wxCHECK( key < nStdKeys, "" );
+ wxCHECK( key < nStdKeys, wxT("") );
return aStdKeys[key].szShortName;
}
{
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 ||
+ if ( strRoot.CmpNoCase(aStdKeys[ui].szName) == 0 ||
strRoot.CmpNoCase(aStdKeys[ui].szShortName) == 0 ) {
hRootKey = aStdKeys[ui].hkey;
break;
}
if ( ui == nStdKeys ) {
- wxFAIL_MSG("invalid key prefix in wxRegKey::ExtractKeyName.");
+ wxFAIL_MSG(wxT("invalid key prefix in wxRegKey::ExtractKeyName."));
hRootKey = HKEY_CLASSES_ROOT;
}
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;
}
-
- wxFAIL_MSG("non root hkey passed to wxRegKey::GetStdKeyFromHkey.");
+
+ wxFAIL_MSG(wxT("non root hkey passed to wxRegKey::GetStdKeyFromHkey."));
return HKCR;
}
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;
}
: 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;
}
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);
- wxString str = bShortPrefix ? aStdKeys[key].szShortName
+ StdKey key = GetStdKeyFromHkey((StdKey) m_hRootKey);
+ wxString str = bShortPrefix ? aStdKeys[key].szShortName
: aStdKeys[key].szName;
if ( !m_strKey.IsEmpty() )
str << "\\" << m_strKey;
return str;
}
-#ifdef __GNUWIN32__
-bool wxRegKey::GetKeyInfo(size_t* pnSubKeys,
- size_t* pnMaxKeyLen,
- size_t* pnValues,
- size_t* pnMaxValueLen) const
+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
-bool wxRegKey::GetKeyInfo(ulong *pnSubKeys,
- ulong *pnMaxKeyLen,
- ulong *pnValues,
- ulong *pnMaxValueLen) const
+ #define REG_PARAM (LPDWORD)
#endif
-{
-#ifdef __WIN32__
+
m_dwLastError = ::RegQueryInfoKey
(
- m_hKey,
+ (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;
}
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'"),
+ 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'"),
+ 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'"),
+ 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)
+{
+ if ( !szValueNew ) {
+ // by default, use the same name
+ szValueNew = szValue;
+ }
+
+ 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
// ----------------------------------------------------------------------------
}
}
+ // 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'"),
+ wxLogSysError(m_dwLastError, _("Can't delete key '%s'"),
GetName().c_str());
return FALSE;
}
return TRUE;
}
-bool wxRegKey::DeleteKey(const char *szKey)
+bool wxRegKey::DeleteKey(const wxChar *szKey)
{
if ( !Open() )
return FALSE;
return key.DeleteSelf();
}
-bool wxRegKey::DeleteValue(const char *szValue)
+bool wxRegKey::DeleteValue(const wxChar *szValue)
{
if ( !Open() )
return FALSE;
- #ifdef __WIN32__
- m_dwLastError = RegDeleteValue(m_hKey, szValue);
+#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;
}
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'"),
+ wxLogSysError(m_dwLastError, _("Can't delete value of key '%s'"),
GetName().c_str());
return FALSE;
}
// ----------------------------------------------------------------------------
// return TRUE if value exists
-bool wxRegKey::HasValue(const char *szValue) const
+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 RegQueryValueEx(m_hKey, szValue, RESERVED,
+ return RegQueryValueEx((HKEY) m_hKey, WXSTRINGCAST szValue, RESERVED,
NULL, NULL, NULL) == ERROR_SUCCESS;
}
else
#endif // WIN16/32
}
+// returns TRUE if this key has any values
+bool wxRegKey::HasValues() const
+{
+ // suppress possible messages from GetFirstValue()
+ wxLogNull nolog;
+
+ // just call GetFirstValue with dummy parameters
+ wxString str;
+ long l;
+ return CONST_CAST GetFirstValue(str, l);
+}
+
// 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
+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 KeyExists(m_hKey, szKey);
else
return FALSE;
}
-wxRegKey::ValueType wxRegKey::GetValueType(const char *szValue)
+wxRegKey::ValueType wxRegKey::GetValueType(const wxChar *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, 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;
}
}
#ifdef __WIN32__
-bool wxRegKey::SetValue(const char *szValue, long lValue)
+bool wxRegKey::SetValue(const wxChar *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'"),
+ wxLogSysError(m_dwLastError, _("Can't set value of '%s'"),
GetFullName(this, szValue));
return FALSE;
+#endif
}
-bool wxRegKey::QueryValue(const char *szValue, long *plValue) const
+bool wxRegKey::QueryValue(const wxChar *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, 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,
- "Type mismatch in wxRegKey::QueryValue()." );
+ wxASSERT_MSG( IsNumericValue(szValue),
+ wxT("Type mismatch in wxRegKey::QueryValue().") );
return TRUE;
}
#endif //Win32
-bool wxRegKey::QueryValue(const char *szValue, wxString& strValue) const
+bool wxRegKey::QueryValue(const wxChar *szValue, wxString& strValue) const
{
if ( CONST_CAST Open() ) {
#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, WXSTRINGCAST szValue, RESERVED,
&dwType, NULL, &dwSize);
if ( m_dwLastError == ERROR_SUCCESS ) {
- RegString pBuf = (RegString)strValue.GetWriteBuf(dwSize);
- m_dwLastError = RegQueryValueEx(m_hKey, 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,
- "Type mismatch in wxRegKey::QueryValue()." );
+ wxASSERT_MSG( !IsNumericValue(szValue),
+ wxT("Type mismatch in wxRegKey::QueryValue().") );
return TRUE;
}
// 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;
#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;
}
-bool wxRegKey::SetValue(const char *szValue, const wxString& strValue)
+bool wxRegKey::SetValue(const wxChar *szValue, const wxString& strValue)
{
if ( CONST_CAST Open() ) {
- #ifdef __WIN32__
- m_dwLastError = RegSetValueEx(m_hKey, szValue, RESERVED, REG_SZ,
- (RegString)strValue.c_str(),
+#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 )
return TRUE;
// 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
}
- wxLogSysError(m_dwLastError, _("can't set value of '%s'"),
+ wxLogSysError(m_dwLastError, _("Can't set value of '%s'"),
GetFullName(this, szValue));
return FALSE;
}
if ( lIndex == -1 )
return FALSE;
- #ifdef __WIN32__
- char szValueName[1024]; // @@ use RegQueryInfoKey...
+#if defined( __WIN32__) && !defined(__TWIN32__)
+ wxChar 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
+ 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());
}
if ( lIndex == -1 )
return FALSE;
- char szKeyName[_MAX_PATH + 1];
- m_dwLastError = RegEnumKey(m_hKey, lIndex++, szKeyName, WXSIZEOF(szKeyName));
+ wxChar szKeyName[_MAX_PATH + 1];
+ m_dwLastError = RegEnumKey((HKEY) m_hKey, lIndex++, szKeyName, WXSIZEOF(szKeyName));
if ( m_dwLastError != ERROR_SUCCESS ) {
if ( m_dwLastError == ERROR_NO_MORE_ITEMS ) {
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());
}
return TRUE;
}
+// 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: == Type_Dword */
+ 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 wxChar *szKey)
{
HKEY hkeyDummy;
- if ( RegOpenKey(hRootKey, szKey, &hkeyDummy) == ERROR_SUCCESS ) {
+ if ( RegOpenKey( (HKEY) hRootKey, szKey, &hkeyDummy) == ERROR_SUCCESS ) {
RegCloseKey(hkeyDummy);
return TRUE;
}
return FALSE;
}
-const char *GetFullName(const wxRegKey *pKey, const char *szValue)
+const wxChar *GetFullName(const wxRegKey *pKey, const wxChar *szValue)
{
static wxString s_str;
s_str = pKey->GetName();
- if ( !IsEmpty(szValue) )
- s_str << "\\" << szValue;
+ if ( !wxIsEmpty(szValue) )
+ s_str << wxT("\\") << szValue;
return s_str.c_str();
}
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.Open() ) {
- 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.Open() ) {
- 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.Open() ) {
- if ( key.QueryValue("", *pFileType) ) // it's the default value of the key
- return TRUE;
- }
-
- // no such extension or no value
- return FALSE;
-}
-
-bool GetFileTypeIcon(wxIcon *pIcon, const wxString& strFileType)
-{
- wxCHECK( !strFileType.IsEmpty(), FALSE );
-
- wxString strIconKey;
- strIconKey << strFileType << REG_SEPARATOR << "DefaultIcon";
-
- // suppress possible error messages
- wxLogNull nolog;
- wxRegKey key(wxRegKey::HKCR, strIconKey);
-
- if ( key.Open() ) {
- wxString strIcon;
- if ( key.QueryValue("", strIcon) ) { // it's the default value of the key
- // the format is the following: <full path to file>, <icon index>
- // NB: icon index may be negative as well as positive and the full path
- // may contain the environment variables inside '%'
- wxString strFullPath = strIcon.Before(','),
- strIndex = strIcon.After(',');
-
- // unless I misunderstand the format (may be index may be ommited, I
- // don't know)
- wxASSERT( !(strFullPath.IsEmpty() || strIndex.IsEmpty()) );
-
- wxString strExpPath = wxExpandEnvVars(strFullPath);
- int nIndex = atoi(strIndex);
-
- HICON hIcon = ExtractIcon(GetModuleHandle(NULL), strExpPath, nIndex);
- switch ( (int)hIcon ) {
- case 0: // means no icons were found
- case 1: // means no such file or it wasn't a DLL/EXE/OCX/ICO/...
- wxLogDebug("incorrect registry entry '%s': no such icon.",
- GetFullName(&key));
- break;
-
- default:
- pIcon->SetHICON((WXHICON)hIcon);
- return TRUE;
- }
- }
- }
-
- // no such file type or no value or incorrect icon entry
- return FALSE;
-}
-
-bool GetFileTypeDescription(wxString *pDesc, const wxString& strFileType)
-{
- wxCHECK( !strFileType.IsEmpty(), FALSE );
-
- // suppress possible error messages
- wxLogNull nolog;
- wxRegKey key(wxRegKey::HKCR, strFileType);
-
- if ( key.Open() ) {
- if ( key.QueryValue("", *pDesc) ) // it's the default value of the key
- return TRUE;
- }
+#endif
+ // __WIN16__
- // no such file type or no value
- return FALSE;
-}
projects / wxWidgets.git / blobdiff