X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2bda0e173844e8e0f8acf4e8ad8b5c26e5c6fe5d..cb6827a8c645a883a2d2a7b117a50609d706ccce:/src/msw/registry.cpp diff --git a/src/msw/registry.cpp b/src/msw/registry.cpp index 480206990e..099b376cfd 100644 --- a/src/msw/registry.cpp +++ b/src/msw/registry.cpp @@ -12,13 +12,9 @@ // - 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" @@ -31,17 +27,23 @@ #include "wx/string.h" #include "wx/intl.h" #include "wx/log.h" +#include "wx/config.h" // for wxExpandEnvVars + +#ifndef __WIN16__ // Windows headers +/* #define STRICT #define WIN32_LEAN_AND_MEAN +*/ + #include // other std headers #include // for _MAX_PATH #ifndef _MAX_PATH -#define _MAX_PATH 256 + #define _MAX_PATH 512 #endif // our header @@ -75,7 +77,7 @@ aStdKeys[] = { HKEY_CURRENT_CONFIG, "HKEY_CURRENT_CONFIG", "HKCC" }, #ifndef __GNUWIN32__ { HKEY_DYN_DATA, "HKEY_DYN_DATA", "HKDD" }, // short name? -#endif //_GNUWIN32__ +#endif //GNUWIN32 #endif //WINVER >= 4.0 #endif //WIN32 }; @@ -83,6 +85,10 @@ aStdKeys[] = // the registry name separator (perhaps one day MS will change it to '/' ;-) #define REG_SEPARATOR '\\' +// useful for Windows programmers: makes somewhat more clear all these zeroes +// being passed to Windows APIs +#define RESERVED (NULL) + // ---------------------------------------------------------------------------- // macros // ---------------------------------------------------------------------------- @@ -97,8 +103,11 @@ aStdKeys[] = // non member functions // ---------------------------------------------------------------------------- +// removes the trailing backslash from the string if it has one +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, @@ -116,18 +125,18 @@ 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(uint key) +const char *wxRegKey::GetStdKeyName(size_t key) { // return empty string if key is invalid - wxCHECK_RET( key < nStdKeys, "" ); + wxCHECK_MSG( key < nStdKeys, "", "invalid key in wxRegKey::GetStdKeyName" ); return aStdKeys[key].szName; } -const char *wxRegKey::GetStdKeyShortName(uint key) +const char *wxRegKey::GetStdKeyShortName(size_t key) { // return empty string if key is invalid - wxCHECK_RET( key < nStdKeys, "" ); + wxCHECK( key < nStdKeys, "" ); return aStdKeys[key].szShortName; } @@ -136,8 +145,8 @@ wxRegKey::StdKey wxRegKey::ExtractKeyName(wxString& strKey) { wxString strRoot = strKey.Left(REG_SEPARATOR); - HKEY hRootKey; - uint ui; + 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 ) { @@ -160,10 +169,10 @@ wxRegKey::StdKey wxRegKey::ExtractKeyName(wxString& strKey) return (wxRegKey::StdKey)(int)hRootKey; } -wxRegKey::StdKey wxRegKey::GetStdKeyFromHkey(HKEY hkey) +wxRegKey::StdKey wxRegKey::GetStdKeyFromHkey(WXHKEY hkey) { - for ( uint ui = 0; ui < nStdKeys; ui++ ) { - if ( aStdKeys[ui].hkey == hkey ) + for ( size_t ui = 0; ui < nStdKeys; ui++ ) { + if ( (int) aStdKeys[ui].hkey == (int) hkey ) return (StdKey)ui; } @@ -179,25 +188,23 @@ wxRegKey::StdKey wxRegKey::GetStdKeyFromHkey(HKEY hkey) 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; } // parent is a predefined (and preopened) key wxRegKey::wxRegKey(StdKey keyParent, const wxString& strKey) : m_strKey(strKey) { - if ( !m_strKey.IsEmpty() && m_strKey.Last() == REG_SEPARATOR ) - m_strKey.Truncate(m_strKey.Len() - 1); - - m_hRootKey = aStdKeys[keyParent].hkey; - m_hKey = NULL; + RemoveTrailingSeparator(m_strKey); + m_hRootKey = (WXHKEY) aStdKeys[keyParent].hkey; + m_hKey = (WXHKEY) NULL; m_dwLastError = 0; } @@ -206,15 +213,16 @@ wxRegKey::wxRegKey(const wxRegKey& keyParent, const wxString& strKey) : m_strKey(keyParent.m_strKey) { // combine our name with parent's to get the full name - if ( !m_strKey.IsEmpty() ) - m_strKey += REG_SEPARATOR; + if ( !m_strKey.IsEmpty() && + (strKey.IsEmpty() || strKey[0] != REG_SEPARATOR) ) { + m_strKey += REG_SEPARATOR; + } m_strKey += strKey; - if ( !m_strKey.IsEmpty() && m_strKey.Last() == REG_SEPARATOR ) - m_strKey.Truncate(m_strKey.Len() - 1); + RemoveTrailingSeparator(m_strKey); m_hRootKey = keyParent.m_hRootKey; - m_hKey = NULL; + m_hKey = (WXHKEY) NULL; m_dwLastError = 0; } @@ -224,6 +232,53 @@ wxRegKey::~wxRegKey() Close(); } +// ---------------------------------------------------------------------------- +// change the key name/hkey +// ---------------------------------------------------------------------------- + +// set the full key name +void wxRegKey::SetName(const wxString& strKey) +{ + Close(); + + m_strKey = strKey; + m_hRootKey = (WXHKEY) aStdKeys[ExtractKeyName(m_strKey)].hkey; +} + +// the name is relative to the parent key +void wxRegKey::SetName(StdKey keyParent, const wxString& strKey) +{ + Close(); + + m_strKey = strKey; + RemoveTrailingSeparator(m_strKey); + m_hRootKey = (WXHKEY) aStdKeys[keyParent].hkey; +} + +// the name is relative to the parent key +void wxRegKey::SetName(const wxRegKey& keyParent, const wxString& strKey) +{ + Close(); + + // combine our name with parent's to get the full name + m_strKey = keyParent.m_strKey; + if ( !strKey.IsEmpty() && strKey[0] != REG_SEPARATOR ) + m_strKey += REG_SEPARATOR; + m_strKey += strKey; + + RemoveTrailingSeparator(m_strKey); + + m_hRootKey = keyParent.m_hRootKey; +} + +// hKey should be opened and will be closed in wxRegKey dtor +void wxRegKey::SetHkey(WXHKEY hKey) +{ + Close(); + + m_hKey = hKey; +} + // ---------------------------------------------------------------------------- // info about the key // ---------------------------------------------------------------------------- @@ -238,7 +293,7 @@ bool wxRegKey::Exists() const // 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() ) @@ -247,6 +302,49 @@ wxString wxRegKey::GetName(bool bShortPrefix) const return str; } +#ifdef __GNUWIN32__ +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 +{ +#if defined(__WIN32__) && !defined(__TWIN32__) + m_dwLastError = ::RegQueryInfoKey + ( + (HKEY) m_hKey, + NULL, // class name + NULL, // (ptr to) size of class name buffer + RESERVED, + pnSubKeys, // [out] number of subkeys + pnMaxKeyLen, // [out] max length of a subkey name + NULL, // longest subkey class name + pnValues, // [out] number of values + pnMaxValueLen, // [out] max length of a value name + NULL, // longest value data + NULL, // security descriptor + NULL // time of last modification + ); + + if ( m_dwLastError != ERROR_SUCCESS ) { + wxLogSysError(m_dwLastError, _("can't get info about registry key '%s'"), + GetName().c_str()); + return FALSE; + } + else + return TRUE; +#else // Win16 + wxFAIL_MSG("GetKeyInfo() not implemented"); + + return FALSE; +#endif +} + // ---------------------------------------------------------------------------- // operations // ---------------------------------------------------------------------------- @@ -257,14 +355,18 @@ bool wxRegKey::Open() 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 @@ -278,37 +380,92 @@ bool wxRegKey::Create(bool 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((HKEY) m_hKey); + if ( m_dwLastError != ERROR_SUCCESS ) { + wxLogSysError(m_dwLastError, _("can't close registry key '%s'"), + GetName().c_str()); + + m_hKey = 0; + return FALSE; + } + else { + m_hKey = 0; + } + } + + return TRUE; } +// ---------------------------------------------------------------------------- +// delete keys/values +// ---------------------------------------------------------------------------- bool wxRegKey::DeleteSelf() { - if ( !Open() ) - return FALSE; + { + wxLogNull nolog; + if ( !Open() ) { + // it already doesn't exist - ok! + return TRUE; + } + } + + // 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; wxString strKey; long lIndex; bool bCont = GetFirstKey(strKey, lIndex); while ( bCont ) { - wxRegKey key(*this, strKey); - if ( !key.DeleteSelf() ) - return FALSE; + astrSubkeys.Add(strKey); bCont = GetNextKey(strKey, lIndex); } + size_t nKeyCount = astrSubkeys.Count(); + for ( size_t nKey = 0; nKey < nKeyCount; nKey++ ) { + wxRegKey key(*this, astrSubkeys[nKey]); + if ( !key.DeleteSelf() ) + return FALSE; + } + + // 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()); + wxLogSysError(m_dwLastError, _("can't delete key '%s'"), + GetName().c_str()); return FALSE; } @@ -329,10 +486,10 @@ bool wxRegKey::DeleteValue(const char *szValue) 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'", + wxLogSysError(m_dwLastError, _("can't delete value '%s' from key '%s'"), szValue, GetName().c_str()); return FALSE; } @@ -341,9 +498,9 @@ bool wxRegKey::DeleteValue(const char *szValue) 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; } @@ -352,33 +509,35 @@ bool wxRegKey::DeleteValue(const char *szValue) 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); - if ( m_dwLastError != ERROR_SUCCESS ) { - wxLogSysError(m_dwLastError, "can't close registry key '%s'", - GetName().c_str()); - - m_hKey = 0; - return FALSE; - } - else { - m_hKey = 0; - } - } - - return TRUE; -} - // ---------------------------------------------------------------------------- // access to values and subkeys // ---------------------------------------------------------------------------- +// return TRUE if value exists +bool wxRegKey::HasValue(const char *szValue) const +{ + // this function should be silent, so suppress possible messages from Open() + wxLogNull nolog; + + #ifdef __WIN32__ + if ( CONST_CAST Open() ) { + return RegQueryValueEx((HKEY) m_hKey, (char*) (const char*) szValue, RESERVED, + NULL, NULL, NULL) == ERROR_SUCCESS; + } + else + return FALSE; + #else // WIN16 + // only unnamed value exists + return IsEmpty(szValue); + #endif // WIN16/32 +} + // 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; @@ -388,23 +547,26 @@ bool wxRegKey::HasSubkeys() const // 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'", + wxLogSysError(m_dwLastError, _("can't read value of key '%s'"), GetName().c_str()); return Type_None; } @@ -418,16 +580,21 @@ wxRegKey::ValueType wxRegKey::GetValueType(const char *szValue) #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'", + wxLogSysError(m_dwLastError, _("can't set value of '%s'"), GetFullName(this, szValue)); return FALSE; +#endif } bool wxRegKey::QueryValue(const char *szValue, long *plValue) const @@ -435,10 +602,10 @@ 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'", + wxLogSysError(m_dwLastError, _("can't read value of key '%s'"), GetName().c_str()); return FALSE; } @@ -462,12 +629,13 @@ bool wxRegKey::QueryValue(const char *szValue, wxString& strValue) const #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 ) { // check that it was the right type wxASSERT_MSG( dwType == REG_SZ, @@ -480,13 +648,14 @@ bool wxRegKey::QueryValue(const char *szValue, wxString& strValue) const // 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; } @@ -494,8 +663,8 @@ bool wxRegKey::QueryValue(const char *szValue, wxString& strValue) const 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 ) @@ -504,13 +673,13 @@ bool wxRegKey::SetValue(const char *szValue, const wxString& strValue) // 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; } @@ -528,105 +697,79 @@ wxRegKey::operator wxString() const // several concurrently running indexations on the same key // ---------------------------------------------------------------------------- -#ifdef __WIN32__ bool wxRegKey::GetFirstValue(wxString& strValueName, long& lIndex) { if ( !Open() ) return FALSE; - char szValueName[1024]; // @@ use RegQueryInfoKey... - DWORD dwValueLen = WXSIZEOF(szValueName); - lIndex = 0; - m_dwLastError = RegEnumValue(m_hKey, lIndex, - szValueName, &dwValueLen, - RESERVED, - NULL, // [out] type - NULL, // [out] buffer for value - NULL); // [i/o] it's length - - if ( m_dwLastError != ERROR_SUCCESS ) { - if ( m_dwLastError == ERROR_NO_MORE_ITEMS ) - lIndex = -1; - else { - wxLogSysError(m_dwLastError, "can't enumerate values of key '%s'", - GetName().c_str()); - } - - return FALSE; - } - - strValueName = szValueName; - return TRUE; + return GetNextValue(strValueName, lIndex); } bool wxRegKey::GetNextValue(wxString& strValueName, long& lIndex) const { wxASSERT( IsOpened() ); - wxASSERT( lIndex != -1 ); - char szValueName[1024]; // @@ use RegQueryInfoKey... - DWORD dwValueLen = WXSIZEOF(szValueName); + // are we already at the end of enumeration? + if ( lIndex == -1 ) + return FALSE; + +#if defined( __WIN32__) && !defined(__TWIN32__) + char szValueName[1024]; // @@ use RegQueryInfoKey... + DWORD dwValueLen = WXSIZEOF(szValueName); - lIndex++; - m_dwLastError = RegEnumValue(m_hKey, lIndex, - szValueName, &dwValueLen, - RESERVED, - NULL, // buffer for type - NULL, NULL); // buffer for value and length + lIndex++; + m_dwLastError = RegEnumValue((HKEY) m_hKey, lIndex, + szValueName, &dwValueLen, + RESERVED, + NULL, // [out] type + NULL, // [out] buffer for value + NULL); // [i/o] it's length - if ( m_dwLastError != ERROR_SUCCESS ) { - if ( m_dwLastError == ERROR_NO_MORE_ITEMS ) { - m_dwLastError = ERROR_SUCCESS; - lIndex = -1; - } - else { - wxLogSysError(m_dwLastError, "can't enumerate values of key '%s'", - GetName().c_str()); + if ( m_dwLastError != ERROR_SUCCESS ) { + if ( m_dwLastError == ERROR_NO_MORE_ITEMS ) { + m_dwLastError = ERROR_SUCCESS; + lIndex = -1; + } + else { + wxLogSysError(m_dwLastError, _("can't enumerate values of key '%s'"), + GetName().c_str()); + } + + return FALSE; } - return FALSE; - } + strValueName = szValueName; + #else //WIN16 + // only one unnamed value + wxASSERT( lIndex == 0 ); + + lIndex = -1; + strValueName.Empty(); + #endif - strValueName = szValueName; return TRUE; } -#endif //Win32 bool wxRegKey::GetFirstKey(wxString& strKeyName, long& lIndex) { if ( !Open() ) return FALSE; - char szKeyName[_MAX_PATH + 1]; lIndex = 0; - m_dwLastError = RegEnumKey(m_hKey, lIndex, szKeyName, WXSIZEOF(szKeyName)); - - if ( m_dwLastError != ERROR_SUCCESS ) { - if ( m_dwLastError == ERROR_NO_MORE_ITEMS ) { - m_dwLastError = ERROR_SUCCESS; - lIndex = -1; - } - else { - wxLogSysError(m_dwLastError, "can't enumerate subkeys of key '%s'", - GetName().c_str()); - } - - return FALSE; - } - - strKeyName = szKeyName; - return TRUE; + return GetNextKey(strKeyName, lIndex); } bool wxRegKey::GetNextKey(wxString& strKeyName, long& lIndex) const { wxASSERT( IsOpened() ); - wxASSERT( lIndex != -1 ); + + // are we already at the end of enumeration? + if ( lIndex == -1 ) + return FALSE; char szKeyName[_MAX_PATH + 1]; - lIndex++; - 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 ) { @@ -634,7 +777,7 @@ bool wxRegKey::GetNextKey(wxString& strKeyName, long& lIndex) const 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()); } @@ -645,13 +788,28 @@ bool wxRegKey::GetNextKey(wxString& strKeyName, long& lIndex) const 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 functions +// 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; } @@ -667,4 +825,14 @@ const char *GetFullName(const wxRegKey *pKey, const char *szValue) s_str << "\\" << szValue; return s_str.c_str(); -} \ No newline at end of file +} + +void RemoveTrailingSeparator(wxString& str) +{ + if ( !str.IsEmpty() && str.Last() == REG_SEPARATOR ) + str.Truncate(str.Len() - 1); +} + +#endif + // __WIN16__ +