X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/040f0110fc3aa931eff3c245518aabbbd934f3f5..7309b92dd71901b8c96dea3e48e57a6c21d072a4:/src/msw/registry.cpp diff --git a/src/msw/registry.cpp b/src/msw/registry.cpp index a2f1b268e9..fe8897463e 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" @@ -31,9 +27,10 @@ #include "wx/string.h" #include "wx/intl.h" #include "wx/log.h" - #include "wx/config.h" // for wxExpandEnvVars +#ifndef __WIN16__ + // Windows headers /* #define STRICT @@ -65,28 +62,28 @@ typedef unsigned char *RegString; static struct { HKEY hkey; - const char *szName; - const char *szShortName; + const wxChar *szName; + const wxChar *szShortName; } aStdKeys[] = { - { HKEY_CLASSES_ROOT, "HKEY_CLASSES_ROOT", "HKCR" }, + { HKEY_CLASSES_ROOT, _T("HKEY_CLASSES_ROOT"), _T("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, _T("HKEY_CURRENT_USER"), _T("HKCU") }, + { HKEY_LOCAL_MACHINE, _T("HKEY_LOCAL_MACHINE"), _T("HKLM") }, + { HKEY_USERS, _T("HKEY_USERS"), _T("HKU") }, // short name? + { HKEY_PERFORMANCE_DATA, _T("HKEY_PERFORMANCE_DATA"), _T("HKPD") }, #if WINVER >= 0x0400 - { HKEY_CURRENT_CONFIG, "HKEY_CURRENT_CONFIG", "HKCC" }, + { HKEY_CURRENT_CONFIG, _T("HKEY_CURRENT_CONFIG"), _T("HKCC") }, #ifndef __GNUWIN32__ - { HKEY_DYN_DATA, "HKEY_DYN_DATA", "HKDD" }, // short name? + { HKEY_DYN_DATA, _T("HKEY_DYN_DATA"), _T("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 _T('\\') // useful for Windows programmers: makes somewhat more clear all these zeroes // being passed to Windows APIs @@ -110,11 +107,11 @@ aStdKeys[] = static inline void RemoveTrailingSeparator(wxString& str); // returns TRUE if given registry key exists -static bool KeyExists(WXHKEY 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 @@ -128,18 +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(size_t key) +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, _T(""), _T("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, _T("") ); return aStdKeys[key].szShortName; } @@ -148,7 +145,7 @@ wxRegKey::StdKey wxRegKey::ExtractKeyName(wxString& strKey) { 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 || @@ -159,7 +156,7 @@ wxRegKey::StdKey wxRegKey::ExtractKeyName(wxString& strKey) } if ( ui == nStdKeys ) { - wxFAIL_MSG("invalid key prefix in wxRegKey::ExtractKeyName."); + wxFAIL_MSG(_T("invalid key prefix in wxRegKey::ExtractKeyName.")); hRootKey = HKEY_CLASSES_ROOT; } @@ -179,7 +176,7 @@ wxRegKey::StdKey wxRegKey::GetStdKeyFromHkey(WXHKEY hkey) return (StdKey)ui; } - wxFAIL_MSG("non root hkey passed to wxRegKey::GetStdKeyFromHkey."); + wxFAIL_MSG(_T("non root hkey passed to wxRegKey::GetStdKeyFromHkey.")); return HKCR; } @@ -198,7 +195,7 @@ wxRegKey::wxRegKey() wxRegKey::wxRegKey(const wxString& strKey) : m_strKey(strKey) { m_hRootKey = (WXHKEY) aStdKeys[ExtractKeyName(m_strKey)].hkey; - m_hKey = NULL; + m_hKey = (WXHKEY) NULL; m_dwLastError = 0; } @@ -207,7 +204,7 @@ wxRegKey::wxRegKey(StdKey keyParent, const wxString& strKey) : m_strKey(strKey) { RemoveTrailingSeparator(m_strKey); m_hRootKey = (WXHKEY) aStdKeys[keyParent].hkey; - m_hKey = NULL; + m_hKey = (WXHKEY) NULL; m_dwLastError = 0; } @@ -225,7 +222,7 @@ wxRegKey::wxRegKey(const wxRegKey& keyParent, const wxString& strKey) RemoveTrailingSeparator(m_strKey); m_hRootKey = keyParent.m_hRootKey; - m_hKey = NULL; + m_hKey = (WXHKEY) NULL; m_dwLastError = 0; } @@ -305,7 +302,7 @@ wxString wxRegKey::GetName(bool bShortPrefix) const return str; } -#ifdef __GNUWIN32__ +#if defined( __GNUWIN32__ ) && !defined(wxUSE_NORLANDER_HEADERS) bool wxRegKey::GetKeyInfo(size_t* pnSubKeys, size_t* pnMaxKeyLen, size_t* pnValues, @@ -317,7 +314,7 @@ bool wxRegKey::GetKeyInfo(ulong *pnSubKeys, ulong *pnMaxValueLen) const #endif { -#ifdef __WIN32__ +#if defined(__WIN32__) && !defined(__TWIN32__) m_dwLastError = ::RegQueryInfoKey ( (HKEY) m_hKey, @@ -430,6 +427,18 @@ bool wxRegKey::DeleteSelf() } } + // 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; @@ -463,7 +472,7 @@ bool wxRegKey::DeleteSelf() return TRUE; } -bool wxRegKey::DeleteKey(const char *szKey) +bool wxRegKey::DeleteKey(const wxChar *szKey) { if ( !Open() ) return FALSE; @@ -472,13 +481,13 @@ bool wxRegKey::DeleteKey(const char *szKey) return key.DeleteSelf(); } -bool wxRegKey::DeleteValue(const char *szValue) +bool wxRegKey::DeleteValue(const wxChar *szValue) { if ( !Open() ) return FALSE; - #ifdef __WIN32__ - m_dwLastError = RegDeleteValue((HKEY) 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'"), szValue, GetName().c_str()); @@ -505,14 +514,14 @@ bool wxRegKey::DeleteValue(const char *szValue) // ---------------------------------------------------------------------------- // 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((HKEY) m_hKey, szValue, RESERVED, + return RegQueryValueEx((HKEY) m_hKey, WXSTRINGCAST szValue, RESERVED, NULL, NULL, NULL) == ERROR_SUCCESS; } else @@ -523,9 +532,24 @@ bool wxRegKey::HasValue(const char *szValue) const #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; @@ -533,22 +557,25 @@ bool wxRegKey::HasSubkeys() const } // 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((HKEY) 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'"), @@ -563,10 +590,14 @@ wxRegKey::ValueType wxRegKey::GetValueType(const char *szValue) } #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((HKEY) 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; @@ -575,14 +606,15 @@ bool wxRegKey::SetValue(const char *szValue, long lValue) 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((HKEY) 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'"), @@ -592,7 +624,7 @@ bool wxRegKey::QueryValue(const char *szValue, long *plValue) const else { // check that we read the value of right type wxASSERT_MSG( dwType == REG_DWORD, - "Type mismatch in wxRegKey::QueryValue()." ); + _T("Type mismatch in wxRegKey::QueryValue().") ); return TRUE; } @@ -603,23 +635,23 @@ bool wxRegKey::QueryValue(const char *szValue, long *plValue) const #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((HKEY) 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((HKEY) m_hKey, szValue, RESERVED, + 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()." ); + _T("Type mismatch in wxRegKey::QueryValue().") ); return TRUE; } @@ -640,11 +672,11 @@ bool wxRegKey::QueryValue(const char *szValue, wxString& strValue) const 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((HKEY) 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 ) @@ -694,12 +726,11 @@ bool wxRegKey::GetNextValue(wxString& strValueName, long& lIndex) const 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((HKEY) m_hKey, lIndex, + m_dwLastError = RegEnumValue((HKEY) m_hKey, lIndex++, szValueName, &dwValueLen, RESERVED, NULL, // [out] type @@ -748,7 +779,7 @@ bool wxRegKey::GetNextKey(wxString& strKeyName, long& lIndex) const if ( lIndex == -1 ) return FALSE; - char szKeyName[_MAX_PATH + 1]; + wxChar szKeyName[_MAX_PATH + 1]; m_dwLastError = RegEnumKey((HKEY) m_hKey, lIndex++, szKeyName, WXSIZEOF(szKeyName)); if ( m_dwLastError != ERROR_SUCCESS ) { @@ -768,10 +799,25 @@ 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 wxChar *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(WXHKEY hRootKey, const char *szKey) +bool KeyExists(WXHKEY hRootKey, const wxChar *szKey) { HKEY hkeyDummy; if ( RegOpenKey( (HKEY) hRootKey, szKey, &hkeyDummy) == ERROR_SUCCESS ) { @@ -782,12 +828,12 @@ bool KeyExists(WXHKEY hRootKey, const char *szKey) 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 << _T("\\") << szValue; return s_str.c_str(); } @@ -798,141 +844,6 @@ void RemoveTrailingSeparator(wxString& 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: , - // 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.Right(','); - - // index may be omitted, in which case Before(',') is empty and - // Right(',') is the whole string - if ( strFullPath.IsEmpty() ) { - strFullPath = strIndex; - strIndex = "0"; - } - - 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; - } - - // no such file type or no value - return FALSE; -} - +#endif + // __WIN16__