///////////////////////////////////////////////////////////////////////////////
-// Name: msw/registry.cpp
+// Name: src/msw/registry.cpp
// Purpose: implementation of registry classes and functions
// Author: Vadim Zeitlin
// Modified by:
// - add high level functions (RegisterOleServer, ...)
///////////////////////////////////////////////////////////////////////////////
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "registry.h"
-#endif
-
// for compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
-// other wxWidgets headers
-#include "wx/string.h"
-#include "wx/intl.h"
-#include "wx/log.h"
-#include "wx/file.h"
-#include "wx/wfstream.h"
+#if wxUSE_REGKEY
-// Windows headers
-#include "wx/msw/wrapwin.h"
+#ifndef WX_PRECOMP
+ #include "wx/msw/wrapwin.h"
+ #include "wx/string.h"
+ #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"
+
+// Windows headers
#ifdef __WXWINCE__
#include "wx/msw/private.h"
#include <winbase.h>
typedef unsigned char *RegString;
typedef BYTE* RegBinary;
+#ifndef HKEY_PERFORMANCE_DATA
+ #define HKEY_PERFORMANCE_DATA ((HKEY)0x80000004)
+#endif
+
+#ifndef HKEY_CURRENT_CONFIG
+ #define HKEY_CURRENT_CONFIG ((HKEY)0x80000005)
+#endif
+
+#ifndef HKEY_DYN_DATA
+ #define HKEY_DYN_DATA ((HKEY)0x80000006)
+#endif
+
+#ifndef KEY_WOW64_64KEY
+ #define KEY_WOW64_64KEY 0x0100
+#endif
+
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
{ 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?
-#ifndef __WXWINCE__
{ HKEY_PERFORMANCE_DATA, wxT("HKEY_PERFORMANCE_DATA"), wxT("HKPD") },
-#endif
-#if WINVER >= 0x0400 && !defined(__WXWINCE__)
{ HKEY_CURRENT_CONFIG, wxT("HKEY_CURRENT_CONFIG"), wxT("HKCC") },
-#if !defined(__GNUWIN32__) && !defined(__WXWINCE__)
{ HKEY_DYN_DATA, wxT("HKEY_DYN_DATA"), wxT("HKDD") }, // short name?
-#endif //GNUWIN32
-#endif //WINVER >= 4.0
};
// the registry name separator (perhaps one day MS will change it to '/' ;-)
static inline void RemoveTrailingSeparator(wxString& str);
// returns true if given registry key exists
-static bool KeyExists(WXHKEY hRootKey, const wxChar *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);
+static wxString GetFullName(const wxRegKey *pKey, const wxString& szValue);
-// combines value and key name (uses static buffer!)
-static const wxChar *GetFullName(const wxRegKey *pKey,
- const wxChar *szValue = NULL);
+// returns "value" argument of wxRegKey methods converted into a value that can
+// be passed to win32 registry functions; specifically, converts empty string
+// to NULL
+static inline const wxChar *RegValueStr(const wxString& szValue);
// ============================================================================
// implementation of wxRegKey class
{
wxString strRoot = strKey.BeforeFirst(REG_SEPARATOR);
- HKEY hRootKey = 0;
size_t ui;
for ( ui = 0; ui < nStdKeys; ui++ ) {
if ( strRoot.CmpNoCase(aStdKeys[ui].szName) == 0 ||
strRoot.CmpNoCase(aStdKeys[ui].szShortName) == 0 ) {
- hRootKey = aStdKeys[ui].hkey;
break;
}
}
if ( ui == nStdKeys ) {
wxFAIL_MSG(wxT("invalid key prefix in wxRegKey::ExtractKeyName."));
- hRootKey = HKEY_CLASSES_ROOT;
+ ui = HKCR;
}
else {
strKey = strKey.After(REG_SEPARATOR);
- if ( !strKey.IsEmpty() && strKey.Last() == REG_SEPARATOR )
+ if ( !strKey.empty() && strKey.Last() == REG_SEPARATOR )
strKey.Truncate(strKey.Len() - 1);
}
- return (wxRegKey::StdKey)(int)hRootKey;
+ return (StdKey)ui;
}
wxRegKey::StdKey wxRegKey::GetStdKeyFromHkey(WXHKEY hkey)
{
for ( size_t ui = 0; ui < nStdKeys; ui++ ) {
- if ( (int) aStdKeys[ui].hkey == (int) hkey )
+ if ( aStdKeys[ui].hkey == (HKEY)hkey )
return (StdKey)ui;
}
// 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.IsEmpty() &&
- (strKey.IsEmpty() || strKey[0] != REG_SEPARATOR) ) {
+ if ( !m_strKey.empty() &&
+ (strKey.empty() || strKey[0] != REG_SEPARATOR) ) {
m_strKey += REG_SEPARATOR;
}
// next line!
m_strKey.clear();
m_strKey += keyParent.m_strKey;
- if ( !strKey.IsEmpty() && strKey[0] != REG_SEPARATOR )
+ if ( !strKey.empty() && strKey[0] != REG_SEPARATOR )
m_strKey += REG_SEPARATOR;
m_strKey += strKey;
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);
+ return IsOpened()
+ ? true
+ : KeyExists(m_hRootKey, m_strKey, m_viewMode);
}
// returns the full name of the key (prefix is abbreviated if bShortPrefix)
StdKey key = GetStdKeyFromHkey((WXHKEY) m_hRootKey);
wxString str = bShortPrefix ? aStdKeys[key].szShortName
: aStdKeys[key].szName;
- if ( !m_strKey.IsEmpty() )
- str << _T("\\") << m_strKey;
+ if ( !m_strKey.empty() )
+ str << wxT("\\") << m_strKey;
return str;
}
size_t *pnValues,
size_t *pnMaxValueLen) const
{
- // old gcc headers incorrectly prototype RegQueryInfoKey()
-#if defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__)
- #define REG_PARAM (size_t *)
-#else
- #define REG_PARAM (LPDWORD)
+ // it might be unexpected to some that this function doesn't open the key
+ wxASSERT_MSG( IsOpened(), wxT("key should be opened in GetKeyInfo") );
+
+ // We need to use intermediate variables in 64 bit build as the function
+ // parameters must be 32 bit DWORDs and not 64 bit size_t values.
+#ifdef __WIN64__
+ DWORD dwSubKeys = 0,
+ dwMaxKeyLen = 0,
+ dwValues = 0,
+ dwMaxValueLen = 0;
+
+ #define REG_PARAM(name) &dw##name
+#else // Win32
+ // Old gcc headers incorrectly prototype RegQueryInfoKey() as taking
+ // size_t but normally we need a cast, even when sizeof(size_t) is the same
+ // as sizeof(DWORD).
+ #if defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__)
+ #define REG_PARAM(name) pn##name
+ #else
+ #define REG_PARAM(name) (LPDWORD)(pn##name)
+ #endif
#endif
- // it might be unexpected to some that this function doesn't open the key
- wxASSERT_MSG( IsOpened(), _T("key should be opened in GetKeyInfo") );
m_dwLastError = ::RegQueryInfoKey
(
(HKEY) m_hKey,
- NULL, // class name
- NULL, // (ptr to) size of class name buffer
+ 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
+ REG_PARAM(SubKeys), // [out] number of subkeys
+ REG_PARAM(MaxKeyLen), // [out] max length of a subkey name
+ NULL, // longest subkey class name
+ REG_PARAM(Values), // [out] number of values
+ REG_PARAM(MaxValueLen), // [out] max length of a value name
+ NULL, // longest value data
+ NULL, // security descriptor
+ NULL // time of last modification
);
+#ifdef __WIN64__
+ if ( pnSubKeys )
+ *pnSubKeys = dwSubKeys;
+ if ( pnMaxKeyLen )
+ *pnMaxKeyLen = dwMaxKeyLen;
+ if ( pnValues )
+ *pnValues = dwValues;
+ if ( pnMaxValueLen )
+ *pnMaxValueLen = dwMaxValueLen;
+#endif // __WIN64__
+
#undef REG_PARAM
if ( m_dwLastError != ERROR_SUCCESS ) {
m_dwLastError = ::RegOpenKeyEx
(
(HKEY) m_hRootKey,
- m_strKey,
+ 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,
- 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, &tmpKey);
-#endif
+
if ( m_dwLastError != ERROR_SUCCESS ) {
wxLogSysError(m_dwLastError, _("Can't create registry key '%s'"),
GetName().c_str());
return true;
}
-bool wxRegKey::RenameValue(const wxChar *szValueOld, const wxChar *szValueNew)
+bool
+wxRegKey::RenameValue(const wxString& szValueOld, const wxString& szValueNew)
{
bool ok = true;
if ( HasValue(szValueNew) ) {
return true;
}
-bool wxRegKey::CopyValue(const wxChar *szValue,
+bool wxRegKey::CopyValue(const wxString& szValue,
wxRegKey& keyDst,
- const wxChar *szValueNew)
+ const wxString& szValueNew)
{
- if ( !szValueNew ) {
+ wxString valueNew(szValueNew);
+ if ( valueNew.empty() ) {
// by default, use the same name
- szValueNew = szValue;
+ valueNew = szValue;
}
switch ( GetValueType(szValue) ) {
{
wxString strVal;
return QueryValue(szValue, strVal) &&
- keyDst.SetValue(szValueNew, strVal);
+ keyDst.SetValue(valueNew, strVal);
}
case Type_Dword:
{
long dwVal;
return QueryValue(szValue, &dwVal) &&
- keyDst.SetValue(szValueNew, dwVal);
+ keyDst.SetValue(valueNew, dwVal);
}
case Type_Binary:
{
wxMemoryBuffer buf;
return QueryValue(szValue,buf) &&
- keyDst.SetValue(szValueNew,buf);
+ keyDst.SetValue(valueNew,buf);
}
// these types are unsupported because I am not sure about how
}
}
-bool wxRegKey::Rename(const wxChar *szNewName)
+bool wxRegKey::Rename(const wxString& szNewName)
{
- wxCHECK_MSG( !m_strKey.IsEmpty(), false, _T("registry hives can't be renamed") );
+ wxCHECK_MSG( !m_strKey.empty(), false, wxT("registry hives can't be renamed") );
if ( !Exists() ) {
wxLogError(_("Registry key '%s' does not exist, cannot rename it."),
if ( inSameHive ) {
// rename the key to the new name under the same parent
wxString strKey = m_strKey.BeforeLast(REG_SEPARATOR);
- if ( !strKey.IsEmpty() ) {
+ if ( !strKey.empty() ) {
// don't add '\\' in the start if strFullNewName is empty
strKey += REG_SEPARATOR;
}
return ok;
}
-bool wxRegKey::Copy(const wxChar *szNewName)
+bool wxRegKey::Copy(const wxString& szNewName)
{
// create the new key first
wxRegKey keyDst(szNewName);
wxRegKey key(*this, strKey);
wxString keyName;
keyName << GetFullName(&keyDst) << REG_SEPARATOR << strKey;
- ok = key.Copy((const wxChar*) keyName);
+ ok = key.Copy(keyName);
if ( ok )
bCont = GetNextKey(strKey, lIndex);
// 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() ||
+ if ( m_strKey.empty() ||
((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."),
// now delete this key itself
Close();
- m_dwLastError = RegDeleteKey((HKEY) m_hRootKey, m_strKey);
// 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'"),
return true;
}
-bool wxRegKey::DeleteKey(const wxChar *szKey)
+bool wxRegKey::DeleteKey(const wxString& szKey)
{
if ( !Open() )
return false;
return key.DeleteSelf();
}
-bool wxRegKey::DeleteValue(const wxChar *szValue)
+bool wxRegKey::DeleteValue(const wxString& szValue)
{
- if ( !Open() )
- return false;
+ if ( !Open() )
+ return false;
- m_dwLastError = RegDeleteValue((HKEY) m_hKey, WXSTRINGCAST szValue);
+ m_dwLastError = RegDeleteValue((HKEY) m_hKey, RegValueStr(szValue));
// deleting a value 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 value '%s' from key '%s'"),
- szValue, GetName().c_str());
- return false;
+ (m_dwLastError != ERROR_FILE_NOT_FOUND) )
+ {
+ wxLogSysError(m_dwLastError, _("Can't delete value '%s' from key '%s'"),
+ szValue, GetName().c_str());
+ return false;
}
- return true;
+ return true;
}
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// return true if value exists
-bool wxRegKey::HasValue(const wxChar *szValue) const
+bool wxRegKey::HasValue(const wxString& szValue) const
{
- // this function should be silent, so suppress possible messages from Open()
- wxLogNull nolog;
+ // this function should be silent, so suppress possible messages from Open()
+ wxLogNull nolog;
if ( !CONST_CAST Open(Read) )
return false;
LONG dwRet = ::RegQueryValueEx((HKEY) m_hKey,
- WXSTRINGCAST szValue,
+ RegValueStr(szValue),
RESERVED,
NULL, NULL, NULL);
return dwRet == ERROR_SUCCESS;
}
// returns true if given subkey exists
-bool wxRegKey::HasSubKey(const wxChar *szKey) const
+bool wxRegKey::HasSubKey(const wxString& szKey) const
{
// this function should be silent, so suppress possible messages from Open()
wxLogNull nolog;
if ( !CONST_CAST Open(Read) )
return false;
- return KeyExists(m_hKey, szKey);
+ return KeyExists(m_hKey, szKey, m_viewMode);
}
-wxRegKey::ValueType wxRegKey::GetValueType(const wxChar *szValue) const
+wxRegKey::ValueType wxRegKey::GetValueType(const wxString& szValue) const
{
if ( ! CONST_CAST Open(Read) )
return Type_None;
DWORD dwType;
- m_dwLastError = RegQueryValueEx((HKEY) m_hKey, WXSTRINGCAST szValue, RESERVED,
+ m_dwLastError = RegQueryValueEx((HKEY) m_hKey, RegValueStr(szValue), RESERVED,
&dwType, NULL, NULL);
if ( m_dwLastError != ERROR_SUCCESS ) {
wxLogSysError(m_dwLastError, _("Can't read value of key '%s'"),
return (ValueType)dwType;
}
-bool wxRegKey::SetValue(const wxChar *szValue, long lValue)
+bool wxRegKey::SetValue(const wxString& szValue, long lValue)
{
if ( CONST_CAST Open() ) {
- m_dwLastError = RegSetValueEx((HKEY) m_hKey, szValue, (DWORD) RESERVED, REG_DWORD,
+ m_dwLastError = RegSetValueEx((HKEY) m_hKey, RegValueStr(szValue),
+ (DWORD) RESERVED, REG_DWORD,
(RegString)&lValue, sizeof(lValue));
if ( m_dwLastError == ERROR_SUCCESS )
return true;
return false;
}
-bool wxRegKey::QueryValue(const wxChar *szValue, long *plValue) const
+bool wxRegKey::QueryValue(const wxString& szValue, long *plValue) const
{
if ( CONST_CAST Open(Read) ) {
DWORD dwType, dwSize = sizeof(DWORD);
RegString pBuf = (RegString)plValue;
- m_dwLastError = RegQueryValueEx((HKEY) m_hKey, WXSTRINGCAST szValue, RESERVED,
+ m_dwLastError = RegQueryValueEx((HKEY) m_hKey, RegValueStr(szValue),
+ RESERVED,
&dwType, pBuf, &dwSize);
if ( m_dwLastError != ERROR_SUCCESS ) {
wxLogSysError(m_dwLastError, _("Can't read value of key '%s'"),
return false;
}
-bool wxRegKey::SetValue(const wxChar *szValue,const wxMemoryBuffer& buffer)
+bool wxRegKey::SetValue(const wxString& 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,
+ m_dwLastError = RegSetValueEx((HKEY) m_hKey, RegValueStr(szValue),
+ (DWORD) RESERVED, REG_BINARY,
(RegBinary)buffer.GetData(),buffer.GetDataLen());
if ( m_dwLastError == ERROR_SUCCESS )
return true;
#endif
}
-bool wxRegKey::QueryValue(const wxChar *szValue, wxMemoryBuffer& buffer) const
+bool wxRegKey::QueryValue(const wxString& szValue, wxMemoryBuffer& buffer) const
{
- if ( CONST_CAST Open() ) {
+ 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,
- &dwType, NULL, &dwSize);
+ m_dwLastError = RegQueryValueEx((HKEY) m_hKey, RegValueStr(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,
+ RegValueStr(szValue),
RESERVED,
&dwType,
pBuf,
-bool wxRegKey::QueryValue(const wxChar *szValue,
+bool wxRegKey::QueryValue(const wxString& szValue,
wxString& strValue,
- bool raw) const
+ bool WXUNUSED_IN_WINCE(raw)) const
{
- 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,
- &dwType, NULL, &dwSize);
- if ( m_dwLastError == ERROR_SUCCESS ) {
- if ( !dwSize ) {
- // must treat this case specially as GetWriteBuf() doesn't like
- // being called with 0 size
- strValue.Empty();
- }
- else {
- m_dwLastError = RegQueryValueEx((HKEY) m_hKey,
- WXSTRINGCAST szValue,
- RESERVED,
- &dwType,
- (RegString)(wxChar*)wxStringBuffer(strValue, dwSize),
- &dwSize);
+ if ( CONST_CAST Open(Read) )
+ {
- // expand the var expansions in the string unless disabled
-#ifndef __WXWINCE__
- if ( (dwType == REG_EXPAND_SZ) && !raw )
+ // first get the type and size of the data
+ DWORD dwType=REG_NONE, dwSize=0;
+ m_dwLastError = RegQueryValueEx((HKEY) m_hKey,
+ RegValueStr(szValue),
+ RESERVED,
+ &dwType, NULL, &dwSize);
+ if ( m_dwLastError == ERROR_SUCCESS )
+ {
+ if ( !dwSize )
{
- DWORD dwExpSize = ::ExpandEnvironmentStrings(strValue, NULL, 0);
- bool ok = dwExpSize != 0;
- if ( ok )
+ // must treat this case specially as GetWriteBuf() doesn't like
+ // being called with 0 size
+ strValue.Empty();
+ }
+ else
+ {
+ m_dwLastError = RegQueryValueEx((HKEY) m_hKey,
+ RegValueStr(szValue),
+ RESERVED,
+ &dwType,
+ (RegString)(wxChar*)wxStringBuffer(strValue, dwSize),
+ &dwSize);
+
+ // expand the var expansions in the string unless disabled
+#ifndef __WXWINCE__
+ if ( (dwType == REG_EXPAND_SZ) && !raw )
{
- wxString strExpValue;
- ok = ::ExpandEnvironmentStrings
- (
- strValue,
- wxStringBuffer(strExpValue, dwExpSize),
- dwExpSize
- ) != 0;
- strValue = strExpValue;
- }
+ DWORD dwExpSize = ::ExpandEnvironmentStrings(strValue.t_str(), NULL, 0);
+ bool ok = dwExpSize != 0;
+ if ( ok )
+ {
+ wxString strExpValue;
+ ok = ::ExpandEnvironmentStrings(strValue.t_str(),
+ wxStringBuffer(strExpValue, dwExpSize),
+ dwExpSize
+ ) != 0;
+ strValue = strExpValue;
+ }
- if ( !ok )
- {
- wxLogLastError(_T("ExpandEnvironmentStrings"));
+ if ( !ok )
+ {
+ wxLogLastError(wxT("ExpandEnvironmentStrings"));
+ }
}
- }
-#else
- wxUnusedVar(raw);
#endif
- // __WXWINCE__
- }
+ // __WXWINCE__
+ }
- if ( m_dwLastError == ERROR_SUCCESS ) {
- // check that it was the right type
- wxASSERT_MSG( !IsNumericValue(szValue),
- wxT("Type mismatch in wxRegKey::QueryValue().") );
+ if ( m_dwLastError == ERROR_SUCCESS )
+ {
+ // check that it was the right type
+ wxASSERT_MSG( !IsNumericValue(szValue),
+ wxT("Type mismatch in wxRegKey::QueryValue().") );
- return true;
+ return true;
+ }
}
- }
- }
+ }
- wxLogSysError(m_dwLastError, _("Can't read value of '%s'"),
- GetFullName(this, szValue));
- return false;
+ wxLogSysError(m_dwLastError, _("Can't read value of '%s'"),
+ GetFullName(this, szValue));
+ return false;
}
-bool wxRegKey::SetValue(const wxChar *szValue, const wxString& strValue)
+bool wxRegKey::SetValue(const wxString& szValue, const wxString& strValue)
{
if ( CONST_CAST Open() ) {
- m_dwLastError = RegSetValueEx((HKEY) m_hKey, szValue, (DWORD) RESERVED, REG_SZ,
- (RegString)strValue.c_str(),
+ m_dwLastError = RegSetValueEx((HKEY) m_hKey,
+ RegValueStr(szValue),
+ (DWORD) RESERVED, REG_SZ,
+ (RegString)strValue.t_str(),
(strValue.Len() + 1)*sizeof(wxChar));
if ( m_dwLastError == ERROR_SUCCESS )
return true;
wxString wxRegKey::QueryDefaultValue() const
{
wxString str;
- QueryValue(NULL, str);
+ QueryValue(wxEmptyString, str, false);
return str;
}
}
// returns true if the value contains a number (else it's some string)
-bool wxRegKey::IsNumericValue(const wxChar *szValue) const
+bool wxRegKey::IsNumericValue(const wxString& szValue) const
{
ValueType type = GetValueType(szValue);
switch ( type ) {
// exporting registry keys to file
// ----------------------------------------------------------------------------
+#if wxUSE_STREAMS
+
// helper functions for writing ASCII strings (even in Unicode build)
static inline bool WriteAsciiChar(wxOutputStream& ostr, char ch)
{
wxCharBuffer name(s.mb_str());
ostr.Write(name, strlen(name));
#else
- ostr.Write(s, s.length());
+ ostr.Write(s.mb_str(), s.length());
#endif
return ostr.IsOk();
}
+#endif // wxUSE_STREAMS
+
bool wxRegKey::Export(const wxString& filename) const
{
+#if wxUSE_FFILE && wxUSE_STREAMS
if ( wxFile::Exists(filename) )
{
wxLogError(_("Exporting registry key: file \"%s\" already exists and won't be overwritten."),
return false;
}
- wxFFileOutputStream ostr(filename, _T("w"));
+ wxFFileOutputStream ostr(filename, wxT("w"));
- return ostr.Ok() && Export(ostr);
+ return ostr.IsOk() && Export(ostr);
+#else
+ wxUnusedVar(filename);
+ return false;
+#endif
}
+#if wxUSE_STREAMS
bool wxRegKey::Export(wxOutputStream& ostr) const
{
// write out the header
return DoExport(ostr);
}
+#endif // wxUSE_STREAMS
static
wxString
size_t size,
wxRegKey::ValueType type = wxRegKey::Type_Binary)
{
- wxString value(_T("hex"));
+ wxString value(wxT("hex"));
// binary values use just "hex:" prefix while the other ones must indicate
// the real type
if ( type != wxRegKey::Type_Binary )
- value << _T('(') << type << _T(')');
- value << _T(':');
+ value << wxT('(') << type << wxT(')');
+ value << wxT(':');
// write all the rest as comma-separated bytes
value.reserve(3*size + 10);
- const char * const p = wx_static_cast(const char *, data);
+ const char * const p = static_cast<const char *>(data);
for ( size_t n = 0; n < size; n++ )
{
// TODO: line wrapping: although not required by regedit, this makes
// the generated files easier to read and compare with the files
// produced by regedit
if ( n )
- value << _T(',');
+ value << wxT(',');
- value << wxString::Format(_T("%02x"), (unsigned char)p[n]);
+ value << wxString::Format(wxT("%02x"), (unsigned char)p[n]);
}
return value;
// quotes and backslashes must be quoted, linefeeds are not
// allowed in string values
rhs.reserve(value.length() + 2);
- rhs = _T('"');
+ rhs = wxT('"');
// there can be no NULs here
bool useHex = false;
- for ( const wxChar *p = value.c_str(); *p && !useHex; p++ )
+ for ( wxString::const_iterator p = value.begin();
+ p != value.end() && !useHex; ++p )
{
- switch ( *p )
+ switch ( (*p).GetValue() )
{
- case _T('\n'):
+ case wxT('\n'):
// we can only represent this string in hex
useHex = true;
break;
- case _T('"'):
- case _T('\\'):
+ case wxT('"'):
+ case wxT('\\'):
// escape special symbol
- rhs += _T('\\');
+ rhs += wxT('\\');
// fall through
default:
if ( useHex )
rhs = FormatAsHex(value, Type_String);
else
- rhs += _T('"');
+ rhs += wxT('"');
}
break;
if ( !QueryValue(name, &value) )
break;
- rhs.Printf(_T("dword:%08x"), (unsigned int)value);
+ rhs.Printf(wxT("dword:%08x"), (unsigned int)value);
}
break;
return rhs;
}
+#if wxUSE_STREAMS
+
bool wxRegKey::DoExportValue(wxOutputStream& ostr, const wxString& name) const
{
// first examine the value type: if it's unsupported, simply skip it
// dump all our values
long dummy;
wxString name;
- wxRegKey& self = wx_const_cast(wxRegKey&, *this);
+ wxRegKey& self = const_cast<wxRegKey&>(*this);
bool cont = self.GetFirstValue(name, dummy);
while ( cont )
{
return true;
}
+#endif // wxUSE_STREAMS
+
// ============================================================================
// implementation of global private functions
// ============================================================================
-bool KeyExists(WXHKEY hRootKey, const wxChar *szKey)
+bool KeyExists(WXHKEY hRootKey,
+ const wxString& szKey,
+ wxRegKey::WOW64ViewMode viewMode)
{
// don't close this key itself for the case of empty szKey!
- if ( wxIsEmpty(szKey) )
+ if ( szKey.empty() )
return true;
HKEY hkeyDummy;
if ( ::RegOpenKeyEx
(
(HKEY)hRootKey,
- szKey,
+ 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;
}
-const wxChar *GetFullName(const wxRegKey *pKey, const wxChar *szValue)
+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)
{
- static wxString s_str;
- s_str = pKey->GetName();
- if ( !wxIsEmpty(szValue) )
- s_str << wxT("\\") << szValue;
+ wxString str(pKey->GetName());
+ if ( !szValue.empty() )
+ str << wxT("\\") << szValue;
- return s_str.c_str();
+ return str;
+}
+
+wxString GetFullName(const wxRegKey *pKey)
+{
+ return pKey->GetName();
}
-void RemoveTrailingSeparator(wxString& str)
+inline void RemoveTrailingSeparator(wxString& str)
{
- if ( !str.IsEmpty() && str.Last() == REG_SEPARATOR )
+ if ( !str.empty() && str.Last() == REG_SEPARATOR )
str.Truncate(str.Len() - 1);
}
+inline const wxChar *RegValueStr(const wxString& szValue)
+{
+ return szValue.empty() ? (const wxChar*)NULL : szValue.t_str();
+}
+
+#endif // wxUSE_REGKEY
projects / wxWidgets.git / blobdiff