///////////////////////////////////////////////////////////////////////////////
-// 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
+
+#ifndef WX_PRECOMP
+ #include "wx/string.h"
+ #include "wx/intl.h"
+ #include "wx/log.h"
#endif
-// other wxWidgets headers
-#include "wx/string.h"
-#include "wx/intl.h"
-#include "wx/log.h"
+#include "wx/file.h"
+#include "wx/wfstream.h"
// Windows headers
-/*
-#define STRICT
-#define WIN32_LEAN_AND_MEAN
-*/
-
#include "wx/msw/wrapwin.h"
#ifdef __WXWINCE__
aStdKeys[] =
{
{ HKEY_CLASSES_ROOT, wxT("HKEY_CLASSES_ROOT"), wxT("HKCR") },
-#ifdef __WIN32__
{ 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__)
+#ifdef HKEY_CURRENT_CONFIG
{ HKEY_CURRENT_CONFIG, wxT("HKEY_CURRENT_CONFIG"), wxT("HKCC") },
-#if !defined(__GNUWIN32__) && !defined(__WXWINCE__)
+#endif
+#ifdef HKEY_DYN_DATA
{ HKEY_DYN_DATA, wxT("HKEY_DYN_DATA"), wxT("HKDD") }, // short name?
-#endif //GNUWIN32
-#endif //WINVER >= 4.0
-#endif //WIN32
+#endif
};
// the registry name separator (perhaps one day MS will change it to '/' ;-)
}
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);
}
: m_strKey(keyParent.m_strKey)
{
// 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;
StdKey key = GetStdKeyFromHkey((WXHKEY) m_hRootKey);
wxString str = bShortPrefix ? aStdKeys[key].szShortName
: aStdKeys[key].szName;
- if ( !m_strKey.IsEmpty() )
+ if ( !m_strKey.empty() )
str << _T("\\") << m_strKey;
return str;
bool wxRegKey::Open(AccessMode mode)
{
if ( IsOpened() )
- return true;
+ {
+ if ( mode <= m_mode )
+ return true;
+
+ // we had been opened in read mode but now must be reopened in write
+ Close();
+ }
HKEY tmpKey;
m_dwLastError = ::RegOpenKeyEx
}
m_hKey = (WXHKEY) tmpKey;
+ m_mode = mode;
+
return true;
}
keyDst.SetValue(szValueNew, dwVal);
}
-#ifdef __WIN32__
case Type_Binary:
{
wxMemoryBuffer buf;
return QueryValue(szValue,buf) &&
keyDst.SetValue(szValueNew,buf);
}
+
// 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
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));
bool wxRegKey::Rename(const wxChar *szNewName)
{
- wxCHECK_MSG( !m_strKey.IsEmpty(), false, _T("registry hives can't be renamed") );
+ wxCHECK_MSG( !m_strKey.empty(), false, _T("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;
}
// 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."),
bool wxRegKey::DeleteValue(const wxChar *szValue)
{
- if ( !Open() )
- return false;
+ if ( !Open() )
+ return false;
m_dwLastError = RegDeleteValue((HKEY) m_hKey, WXSTRINGCAST 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
{
- // 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;
return (ValueType)dwType;
}
-#ifdef __WIN32__
bool wxRegKey::SetValue(const wxChar *szValue, long lValue)
{
if ( CONST_CAST Open() ) {
bool wxRegKey::QueryValue(const wxChar *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,
-#endif //Win32
-
bool wxRegKey::QueryValue(const wxChar *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, WXSTRINGCAST szValue, RESERVED,
+ &dwType, NULL, &dwSize);
+ if ( m_dwLastError == ERROR_SUCCESS )
+ {
+ if ( !dwSize )
{
- DWORD dwExpSize = ::ExpandEnvironmentStrings(strValue, NULL, 0);
- bool ok = dwExpSize != 0;
- if ( ok )
- {
- wxString strExpValue;
- ok = ::ExpandEnvironmentStrings
- (
- strValue,
- wxStringBuffer(strExpValue, dwExpSize),
- dwExpSize
- ) != 0;
- strValue = strExpValue;
- }
-
- 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,
+ WXSTRINGCAST 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 )
{
- wxLogLastError(_T("ExpandEnvironmentStrings"));
+ DWORD dwExpSize = ::ExpandEnvironmentStrings(strValue, NULL, 0);
+ bool ok = dwExpSize != 0;
+ if ( ok )
+ {
+ wxString strExpValue;
+ ok = ::ExpandEnvironmentStrings(strValue,
+ wxStringBuffer(strExpValue, dwExpSize),
+ dwExpSize
+ ) != 0;
+ strValue = strExpValue;
+ }
+
+ if ( !ok )
+ {
+ wxLogLastError(_T("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)
}
}
+// ----------------------------------------------------------------------------
+// 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)
+{
+ ostr.PutC(ch);
+ return ostr.IsOk();
+}
+
+static inline bool WriteAsciiEOL(wxOutputStream& ostr)
+{
+ // as we open the file in text mode, it is enough to write LF without CR
+ return WriteAsciiChar(ostr, '\n');
+}
+
+static inline bool WriteAsciiString(wxOutputStream& ostr, const char *p)
+{
+ return ostr.Write(p, strlen(p)).IsOk();
+}
+
+static inline bool WriteAsciiString(wxOutputStream& ostr, const wxString& s)
+{
+#if wxUSE_UNICODE
+ wxCharBuffer name(s.mb_str());
+ ostr.Write(name, strlen(name));
+#else
+ ostr.Write(s, 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."),
+ filename.c_str());
+ return false;
+ }
+
+ wxFFileOutputStream ostr(filename, _T("w"));
+
+ return ostr.Ok() && Export(ostr);
+#else
+ wxUnusedVar(filename);
+ return false;
+#endif
+}
+
+#if wxUSE_STREAMS
+bool wxRegKey::Export(wxOutputStream& ostr) const
+{
+ // write out the header
+ if ( !WriteAsciiString(ostr, "REGEDIT4\n\n") )
+ return false;
+
+ return DoExport(ostr);
+}
+#endif // wxUSE_STREAMS
+
+static
+wxString
+FormatAsHex(const void *data,
+ size_t size,
+ wxRegKey::ValueType type = wxRegKey::Type_Binary)
+{
+ wxString value(_T("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(':');
+
+ // write all the rest as comma-separated bytes
+ value.reserve(3*size + 10);
+ const char * const p = wx_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 << wxString::Format(_T("%02x"), (unsigned char)p[n]);
+ }
+
+ return value;
+}
+
+static inline
+wxString FormatAsHex(const wxString& value, wxRegKey::ValueType type)
+{
+ return FormatAsHex(value.c_str(), value.length() + 1, type);
+}
+
+wxString wxRegKey::FormatValue(const wxString& name) const
+{
+ wxString rhs;
+ const ValueType type = GetValueType(name);
+ switch ( type )
+ {
+ case Type_String:
+ {
+ wxString value;
+ if ( !QueryValue(name, value) )
+ break;
+
+ // quotes and backslashes must be quoted, linefeeds are not
+ // allowed in string values
+ rhs.reserve(value.length() + 2);
+ rhs = _T('"');
+
+ // there can be no NULs here
+ bool useHex = false;
+ for ( const wxChar *p = value.c_str(); *p && !useHex; p++ )
+ {
+ switch ( *p )
+ {
+ case _T('\n'):
+ // we can only represent this string in hex
+ useHex = true;
+ break;
+
+ case _T('"'):
+ case _T('\\'):
+ // escape special symbol
+ rhs += _T('\\');
+ // fall through
+
+ default:
+ rhs += *p;
+ }
+ }
+
+ if ( useHex )
+ rhs = FormatAsHex(value, Type_String);
+ else
+ rhs += _T('"');
+ }
+ break;
+
+ case Type_Dword:
+ /* case Type_Dword_little_endian: == Type_Dword */
+ {
+ long value;
+ if ( !QueryValue(name, &value) )
+ break;
+
+ rhs.Printf(_T("dword:%08x"), (unsigned int)value);
+ }
+ break;
+
+ case Type_Expand_String:
+ case Type_Multi_String:
+ {
+ wxString value;
+ if ( !QueryRawValue(name, value) )
+ break;
+
+ rhs = FormatAsHex(value, type);
+ }
+ break;
+
+ case Type_Binary:
+ {
+ wxMemoryBuffer buf;
+ if ( !QueryValue(name, buf) )
+ break;
+
+ rhs = FormatAsHex(buf.GetData(), buf.GetDataLen());
+ }
+ break;
+
+ // no idea how those appear in REGEDIT4 files
+ case Type_None:
+ case Type_Dword_big_endian:
+ case Type_Link:
+ case Type_Resource_list:
+ case Type_Full_resource_descriptor:
+ case Type_Resource_requirements_list:
+ default:
+ wxLogWarning(_("Can't export value of unsupported type %d."), type);
+ }
+
+ 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
+ // instead of aborting the entire export process because we failed to
+ // export a single value
+ wxString value = FormatValue(name);
+ if ( value.empty() )
+ {
+ wxLogWarning(_("Ignoring value \"%s\" of the key \"%s\"."),
+ name.c_str(), GetName().c_str());
+ return true;
+ }
+
+ // we do have the text representation of the value, now write everything
+ // out
+
+ // special case: unnamed/default value is represented as just "@"
+ if ( name.empty() )
+ {
+ if ( !WriteAsciiChar(ostr, '@') )
+ return false;
+ }
+ else // normal, named, value
+ {
+ if ( !WriteAsciiChar(ostr, '"') ||
+ !WriteAsciiString(ostr, name) ||
+ !WriteAsciiChar(ostr, '"') )
+ return false;
+ }
+
+ if ( !WriteAsciiChar(ostr, '=') )
+ return false;
+
+ return WriteAsciiString(ostr, value) && WriteAsciiEOL(ostr);
+}
+
+bool wxRegKey::DoExport(wxOutputStream& ostr) const
+{
+ // write out this key name
+ if ( !WriteAsciiChar(ostr, '[') )
+ return false;
+
+ if ( !WriteAsciiString(ostr, GetName(false /* no short prefix */)) )
+ return false;
+
+ if ( !WriteAsciiChar(ostr, ']') || !WriteAsciiEOL(ostr) )
+ return false;
+
+ // dump all our values
+ long dummy;
+ wxString name;
+ wxRegKey& self = wx_const_cast(wxRegKey&, *this);
+ bool cont = self.GetFirstValue(name, dummy);
+ while ( cont )
+ {
+ if ( !DoExportValue(ostr, name) )
+ return false;
+
+ cont = GetNextValue(name, dummy);
+ }
+
+ // always terminate values by blank line, even if there were no values
+ if ( !WriteAsciiEOL(ostr) )
+ return false;
+
+ // recurse to subkeys
+ cont = self.GetFirstKey(name, dummy);
+ while ( cont )
+ {
+ wxRegKey subkey(*this, name);
+ if ( !subkey.DoExport(ostr) )
+ return false;
+
+ cont = GetNextKey(name, dummy);
+ }
+
+ return true;
+}
+
+#endif // wxUSE_STREAMS
+
// ============================================================================
// implementation of global private functions
// ============================================================================
void RemoveTrailingSeparator(wxString& str)
{
- if ( !str.IsEmpty() && str.Last() == REG_SEPARATOR )
+ if ( !str.empty() && str.Last() == REG_SEPARATOR )
str.Truncate(str.Len() - 1);
}
-
projects / wxWidgets.git / blobdiff