X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/127eab18f80e5b298b8c0326609ed811035e6829..0f5378d414cb68caaa535199c1af12dec1720c3d:/src/common/fileconf.cpp?ds=sidebyside

diff --git a/src/common/fileconf.cpp b/src/common/fileconf.cpp
index 3a25662db7..4b63270320 100644
--- a/src/common/fileconf.cpp
+++ b/src/common/fileconf.cpp
@@ -5,7 +5,7 @@
 // Modified by:
 // Created:     07.04.98 (adapted from appconf.cpp)
 // RCS-ID:      $Id$
-// Copyright:   (c) 1997 Karsten Ballüder   &  Vadim Zeitlin
+// Copyright:   (c) 1997 Karsten Ballueder  &  Vadim Zeitlin
 //                       Ballueder@usa.net     <zeitlin@dptmaths.ens-cachan.fr>
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
@@ -14,65 +14,58 @@
 // headers
 // ----------------------------------------------------------------------------
 
+// For compilers that support precompilation, includes "wx.h".
 #include  "wx/wxprec.h"
 
 #ifdef    __BORLANDC__
-  #pragma hdrstop
+    #pragma hdrstop
 #endif  //__BORLANDC__
 
 #if wxUSE_CONFIG && wxUSE_FILECONFIG
 
 #ifndef   WX_PRECOMP
-  #include  "wx/string.h"
-  #include  "wx/intl.h"
+    #include  "wx/dynarray.h"
+    #include  "wx/string.h"
+    #include  "wx/intl.h"
+    #include  "wx/log.h"
+    #include  "wx/app.h"
+    #include  "wx/utils.h"    // for wxGetHomeDir
+    #if wxUSE_STREAMS
+        #include  "wx/stream.h"
+    #endif // wxUSE_STREAMS
 #endif  //WX_PRECOMP
 
-#include  "wx/app.h"
-#include  "wx/dynarray.h"
 #include  "wx/file.h"
-#include  "wx/log.h"
 #include  "wx/textfile.h"
 #include  "wx/memtext.h"
 #include  "wx/config.h"
 #include  "wx/fileconf.h"
 #include  "wx/filefn.h"
 
-#if wxUSE_STREAMS
-    #include  "wx/stream.h"
-#endif // wxUSE_STREAMS
-
-#include  "wx/utils.h"    // for wxGetHomeDir
+#include "wx/base64.h"
 
-#if defined(__WXMAC__)
-  #include  "wx/mac/private.h"  // includes mac headers
-  #include  "wx/filename.h"     // for MacSetTypeAndCreator
-#endif
+#include  "wx/stdpaths.h"
 
-#if defined(__WXMSW__)
-  #include "wx/msw/private.h"
+#if defined(__WINDOWS__)
+    #include "wx/msw/private.h"
 #endif  //windows.h
 #if defined(__WXPM__)
-  #define INCL_DOS
-  #include <os2.h>
+    #define INCL_DOS
+    #include <os2.h>
 #endif
 
 #include  <stdlib.h>
 #include  <ctype.h>
 
-// ----------------------------------------------------------------------------
-// macros
-// ----------------------------------------------------------------------------
-#define CONST_CAST ((wxFileConfig *)this)->
-
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 
 #ifndef MAX_PATH
-  #define MAX_PATH 512
+    #define MAX_PATH 512
 #endif
 
-#define FILECONF_TRACE_MASK _T("fileconf")
+#define FILECONF_TRACE_MASK wxT("fileconf")
 
 // ----------------------------------------------------------------------------
 // global functions declarations
@@ -139,7 +132,7 @@ private:
   wxFileConfigLineList *m_pNext,        // next node
                        *m_pPrev;        // previous one
 
-    DECLARE_NO_COPY_CLASS(wxFileConfigLineList)
+    wxDECLARE_NO_COPY_CLASS(wxFileConfigLineList);
 };
 
 // ----------------------------------------------------------------------------
@@ -153,7 +146,7 @@ private:
 
   wxString      m_strName,      // entry name
                 m_strValue;     //       value
-  bool          m_bImmutable:1, // can be overriden locally?
+  bool          m_bImmutable:1, // can be overridden locally?
                 m_bHasValue:1;  // set after first call to SetValue()
 
   int           m_nLine;        // used if m_pLine == NULL only
@@ -180,7 +173,7 @@ public:
   void SetValue(const wxString& strValue, bool bUser = true);
   void SetLine(wxFileConfigLineList *pLine);
 
-    DECLARE_NO_COPY_CLASS(wxFileConfigEntry)
+    wxDECLARE_NO_COPY_CLASS(wxFileConfigEntry);
 };
 
 // ----------------------------------------------------------------------------
@@ -222,12 +215,12 @@ public:
   bool  IsEmpty() const { return Entries().IsEmpty() && Groups().IsEmpty(); }
 
   // find entry/subgroup (NULL if not found)
-  wxFileConfigGroup *FindSubgroup(const wxChar *szName) const;
-  wxFileConfigEntry *FindEntry   (const wxChar *szName) const;
+  wxFileConfigGroup *FindSubgroup(const wxString& name) const;
+  wxFileConfigEntry *FindEntry   (const wxString& name) const;
 
   // delete entry/subgroup, return false if doesn't exist
-  bool DeleteSubgroupByName(const wxChar *szName);
-  bool DeleteEntry(const wxChar *szName);
+  bool DeleteSubgroupByName(const wxString& name);
+  bool DeleteEntry(const wxString& name);
 
   // create new entry/subgroup returning pointer to newly created element
   wxFileConfigGroup *AddSubgroup(const wxString& strName);
@@ -243,6 +236,7 @@ public:
 
   // get the last line belonging to an entry/subgroup of this group
   wxFileConfigLineList *GetGroupLine();     // line which contains [group]
+                                            // may be NULL for "/" only
   wxFileConfigLineList *GetLastEntryLine(); // after which our subgroups start
   wxFileConfigLineList *GetLastGroupLine(); // after which the next group starts
 
@@ -251,7 +245,7 @@ public:
   void SetLastGroup(wxFileConfigGroup *pGroup)
     { m_pLastGroup = pGroup; }
 
-  DECLARE_NO_COPY_CLASS(wxFileConfigGroup)
+  wxDECLARE_NO_COPY_CLASS(wxFileConfigGroup);
 };
 
 // ============================================================================
@@ -261,119 +255,77 @@ public:
 // ----------------------------------------------------------------------------
 // static functions
 // ----------------------------------------------------------------------------
-wxString wxFileConfig::GetGlobalDir()
-{
-  wxString strDir;
 
-#ifdef __VMS__ // Note if __VMS is defined __UNIX is also defined
-    strDir = wxT("sys$manager:");
-#elif defined(__WXMAC__)
-    strDir = wxMacFindFolder(  (short) kOnSystemDisk, kPreferencesFolderType, kDontCreateFolder ) ;
-#elif defined( __UNIX__ )
-    strDir = wxT("/etc/");
-#elif defined(__OS2__)
-    ULONG aulSysInfo[QSV_MAX] = {0};
-    UINT drive;
-    APIRET rc;
-
-    rc = DosQuerySysInfo( 1L, QSV_MAX, (PVOID)aulSysInfo, sizeof(ULONG)*QSV_MAX);
-    if (rc == 0)
+// this function modifies in place the given wxFileName object if it doesn't
+// already have an extension
+//
+// note that it's slightly misnamed under Mac as there it doesn't add an
+// extension but modifies the file name instead, so you shouldn't suppose that
+// fn.HasExt() is true after it returns
+static void AddConfFileExtIfNeeded(wxFileName& fn)
+{
+    if ( !fn.HasExt() )
     {
-        drive = aulSysInfo[QSV_BOOT_DRIVE - 1];
-        strDir.Printf(wxT("%c:\\OS2\\"), 'A'+drive-1);
+#if defined( __WXMAC__ )
+        fn.SetName(fn.GetName() + wxT(" Preferences"));
+#elif defined( __UNIX__ )
+        fn.SetExt(wxT("conf"));
+#else   // Windows
+        fn.SetExt(wxT("ini"));
+#endif  // UNIX/Win
     }
-#elif defined(__WXSTUBS__)
-    wxASSERT_MSG( false, wxT("TODO") ) ;
-#elif defined(__DOS__)
-    // There's no such thing as global cfg dir in MS-DOS, let's return
-    // current directory (FIXME_MGL?)
-    strDir = wxT(".\\");
-#elif defined(__WXWINCE__)
-    strDir = wxT("\\Windows\\");
-#else // Windows
-
-    wxChar szWinDir[MAX_PATH];
-    ::GetWindowsDirectory(szWinDir, MAX_PATH);
-
-    strDir = szWinDir;
-    strDir << wxT('\\');
-#endif // Unix/Windows
-
-    return strDir;
 }
 
-wxString wxFileConfig::GetLocalDir()
+wxString wxFileConfig::GetGlobalDir()
 {
-    wxString strDir;
-
-#if defined(__WXMAC__) || defined(__DOS__)
-    // no local dir concept on Mac OS 9 or MS-DOS
-    return GetGlobalDir() ;
-#else
-    wxGetHomeDir(&strDir);
-
-#ifdef  __UNIX__
-#ifdef __VMS
-    if (strDir.Last() != wxT(']'))
-#endif
-    if (strDir.Last() != wxT('/')) strDir << wxT('/');
-#else
-    if (strDir.Last() != wxT('\\')) strDir << wxT('\\');
-#endif
-#endif
-
-    return strDir;
+    return wxStandardPaths::Get().GetConfigDir();
 }
 
-wxString wxFileConfig::GetGlobalFileName(const wxChar *szFile)
+wxString wxFileConfig::GetLocalDir(int style)
 {
-    wxString str = GetGlobalDir();
-    str << szFile;
+    wxUnusedVar(style);
 
-    if ( wxStrchr(szFile, wxT('.')) == NULL )
-#if defined( __WXMAC__ )
-        str << wxT(" Preferences") ;
-#elif defined( __UNIX__ )
-        str << wxT(".conf");
-#else   // Windows
-        str << wxT(".ini");
-#endif  // UNIX/Win
+    wxStandardPathsBase& stdp = wxStandardPaths::Get();
 
-    return str;
+    // it so happens that user data directory is a subdirectory of user config
+    // directory on all supported platforms, which explains why we use it here
+    return style & wxCONFIG_USE_SUBDIR ? stdp.GetUserDataDir()
+                                       : stdp.GetUserConfigDir();
 }
 
-wxString wxFileConfig::GetLocalFileName(const wxChar *szFile)
+wxFileName wxFileConfig::GetGlobalFile(const wxString& szFile)
 {
-#ifdef __VMS__
-    // On VMS I saw the problem that the home directory was appended
-    // twice for the configuration file. Does that also happen for
-    // other platforms?
-    wxString str = wxT( '.' );
-#else
-    wxString str = GetLocalDir();
-#endif
+    wxFileName fn(GetGlobalDir(), szFile);
 
-#if defined( __UNIX__ ) && !defined( __VMS ) && !defined( __WXMAC__ )
-    str << wxT('.');
-#endif
+    AddConfFileExtIfNeeded(fn);
 
-    str << szFile;
+    return fn;
+}
 
-#if defined(__WINDOWS__) || defined(__DOS__)
-    if ( wxStrchr(szFile, wxT('.')) == NULL )
-        str << wxT(".ini");
-#endif
+wxFileName wxFileConfig::GetLocalFile(const wxString& szFile, int style)
+{
+    wxFileName fn(GetLocalDir(style), szFile);
 
-#ifdef __WXMAC__
-    str << wxT(" Preferences") ;
-#endif
+#if defined( __UNIX__ ) && !defined( __WXMAC__ )
+    if ( !(style & wxCONFIG_USE_SUBDIR) )
+    {
+        // dot-files under Unix start with, well, a dot (but OTOH they usually
+        // don't have any specific extension)
+        fn.SetName(wxT('.') + fn.GetName());
+    }
+    else // we do append ".conf" extension to config files in subdirectories
+#endif // defined( __UNIX__ ) && !defined( __WXMAC__ )
+    {
+        AddConfFileExtIfNeeded(fn);
+    }
 
-    return str;
+    return fn;
 }
 
 // ----------------------------------------------------------------------------
 // ctor
 // ----------------------------------------------------------------------------
+IMPLEMENT_ABSTRACT_CLASS(wxFileConfig, wxConfigBase)
 
 void wxFileConfig::Init()
 {
@@ -386,33 +338,42 @@ void wxFileConfig::Init()
     // It's not an error if (one of the) file(s) doesn't exist.
 
     // parse the global file
-    if ( !m_strGlobalFile.empty() && wxFile::Exists(m_strGlobalFile) )
+    if ( m_fnGlobalFile.IsOk() && m_fnGlobalFile.FileExists() )
     {
-        wxTextFile fileGlobal(m_strGlobalFile);
+        wxTextFile fileGlobal(m_fnGlobalFile.GetFullPath());
 
-        if ( fileGlobal.Open(m_conv/*ignored in ANSI build*/) )
+        if ( fileGlobal.Open(*m_conv/*ignored in ANSI build*/) )
         {
             Parse(fileGlobal, false /* global */);
             SetRootPath();
         }
         else
         {
-            wxLogWarning(_("can't open global configuration file '%s'."), m_strGlobalFile.c_str());
+            wxLogWarning(_("can't open global configuration file '%s'."), m_fnGlobalFile.GetFullPath().c_str());
         }
     }
 
     // parse the local file
-    if ( !m_strLocalFile.empty() && wxFile::Exists(m_strLocalFile) )
+    if ( m_fnLocalFile.IsOk() && m_fnLocalFile.FileExists() )
     {
-        wxTextFile fileLocal(m_strLocalFile);
-        if ( fileLocal.Open(m_conv/*ignored in ANSI build*/) )
+        wxTextFile fileLocal(m_fnLocalFile.GetFullPath());
+        if ( fileLocal.Open(*m_conv/*ignored in ANSI build*/) )
         {
             Parse(fileLocal, true /* local */);
             SetRootPath();
         }
         else
         {
-            wxLogWarning(_("can't open user configuration file '%s'."),  m_strLocalFile.c_str() );
+            const wxString path = m_fnLocalFile.GetFullPath();
+            wxLogWarning(_("can't open user configuration file '%s'."),
+                         path.c_str());
+
+            if ( m_fnLocalFile.FileExists() )
+            {
+                wxLogWarning(_("Changes won't be saved to avoid overwriting the existing file \"%s\""),
+                             path.c_str());
+                m_fnLocalFile.Clear();
+            }
         }
     }
 
@@ -422,45 +383,39 @@ void wxFileConfig::Init()
 // constructor supports creation of wxFileConfig objects of any type
 wxFileConfig::wxFileConfig(const wxString& appName, const wxString& vendorName,
                            const wxString& strLocal, const wxString& strGlobal,
-                           long style, wxMBConv& conv)
+                           long style,
+                           const wxMBConv& conv)
             : wxConfigBase(::GetAppName(appName), vendorName,
                            strLocal, strGlobal,
                            style),
-              m_strLocalFile(strLocal), m_strGlobalFile(strGlobal),
-              m_conv(conv)
+              m_fnLocalFile(strLocal),
+              m_fnGlobalFile(strGlobal),
+              m_conv(conv.Clone())
 {
     // Make up names for files if empty
-    if ( m_strLocalFile.empty() && (style & wxCONFIG_USE_LOCAL_FILE) )
-        m_strLocalFile = GetLocalFileName(GetAppName());
+    if ( !m_fnLocalFile.IsOk() && (style & wxCONFIG_USE_LOCAL_FILE) )
+        m_fnLocalFile = GetLocalFile(GetAppName(), style);
 
-    if ( m_strGlobalFile.empty() && (style & wxCONFIG_USE_GLOBAL_FILE) )
-        m_strGlobalFile = GetGlobalFileName(GetAppName());
+    if ( !m_fnGlobalFile.IsOk() && (style & wxCONFIG_USE_GLOBAL_FILE) )
+        m_fnGlobalFile = GetGlobalFile(GetAppName());
 
     // Check if styles are not supplied, but filenames are, in which case
     // add the correct styles.
-    if ( !m_strLocalFile.empty() )
+    if ( m_fnLocalFile.IsOk() )
         SetStyle(GetStyle() | wxCONFIG_USE_LOCAL_FILE);
 
-    if ( !m_strGlobalFile.empty() )
+    if ( m_fnGlobalFile.IsOk() )
         SetStyle(GetStyle() | wxCONFIG_USE_GLOBAL_FILE);
 
     // if the path is not absolute, prepend the standard directory to it
-    // UNLESS wxCONFIG_USE_RELATIVE_PATH style is set
+    // unless explicitly asked not to
     if ( !(style & wxCONFIG_USE_RELATIVE_PATH) )
     {
-        if ( !m_strLocalFile.empty() && !wxIsAbsolutePath(m_strLocalFile) )
-        {
-            const wxString strLocalOrig = m_strLocalFile;
-            m_strLocalFile = GetLocalDir();
-            m_strLocalFile << strLocalOrig;
-        }
+        if ( m_fnLocalFile.IsOk() )
+            m_fnLocalFile.MakeAbsolute(GetLocalDir(style));
 
-        if ( !m_strGlobalFile.empty() && !wxIsAbsolutePath(m_strGlobalFile) )
-        {
-            const wxString strGlobalOrig = m_strGlobalFile;
-            m_strGlobalFile = GetGlobalDir();
-            m_strGlobalFile << strGlobalOrig;
-        }
+        if ( m_fnGlobalFile.IsOk() )
+            m_fnGlobalFile.MakeAbsolute(GetGlobalDir());
     }
 
     SetUmask(-1);
@@ -470,8 +425,8 @@ wxFileConfig::wxFileConfig(const wxString& appName, const wxString& vendorName,
 
 #if wxUSE_STREAMS
 
-wxFileConfig::wxFileConfig(wxInputStream &inStream, wxMBConv& conv)
-            : m_conv(conv)
+wxFileConfig::wxFileConfig(wxInputStream &inStream, const wxMBConv& conv)
+            : m_conv(conv.Clone())
 {
     // always local_file when this constructor is called (?)
     SetStyle(GetStyle() | wxCONFIG_USE_LOCAL_FILE);
@@ -482,66 +437,67 @@ wxFileConfig::wxFileConfig(wxInputStream &inStream, wxMBConv& conv)
     m_linesHead =
     m_linesTail = NULL;
 
-    // translate everything to the current (platform-dependent) line
-    // termination character
-    wxString strTrans;
-    {
-        wxString strTmp;
+    // read the entire stream contents in memory
+    wxWxCharBuffer cbuf;
+    static const size_t chunkLen = 1024;
 
-        char buf[1024];
-        do
-        {
-            inStream.Read(buf, WXSIZEOF(buf)-1);  // leave room for the NULL
+    wxMemoryBuffer buf(chunkLen);
+    do
+    {
+        inStream.Read(buf.GetAppendBuf(chunkLen), chunkLen);
+        buf.UngetAppendBuf(inStream.LastRead());
 
-            const wxStreamError err = inStream.GetLastError();
+        const wxStreamError err = inStream.GetLastError();
 
-            if ( err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF )
-            {
-                wxLogError(_("Error reading config options."));
-                break;
-            }
-
-            // FIXME: this is broken because if we have part of multibyte
-            //        character in the buffer (and another part hasn't been
-            //        read yet) we're going to lose data because of conversion
-            //        errors
-            buf[inStream.LastRead()] = '\0';
-            strTmp += conv.cMB2WX(buf);
+        if ( err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF )
+        {
+            wxLogError(_("Error reading config options."));
+            break;
         }
-        while ( !inStream.Eof() );
-
-        strTrans = wxTextBuffer::Translate(strTmp);
     }
+    while ( !inStream.Eof() );
 
-    wxMemoryText memText;
-
-    // Now we can add the text to the memory text. To do this we extract line
-    // by line from the translated string, until we've reached the end.
-    //
-    // VZ: all this is horribly inefficient, we should do the translation on
-    //     the fly in one pass saving both memory and time (TODO)
-
-    const wxChar *pEOL = wxTextBuffer::GetEOL(wxTextBuffer::typeDefault);
-    const size_t EOLLen = wxStrlen(pEOL);
+#if wxUSE_UNICODE
+    size_t len;
+    cbuf = conv.cMB2WC((char *)buf.GetData(), buf.GetDataLen() + 1, &len);
+    if ( !len && buf.GetDataLen() )
+    {
+        wxLogError(_("Failed to read config options."));
+    }
+#else // !wxUSE_UNICODE
+    // no need for conversion
+    cbuf = wxCharBuffer::CreateNonOwned((char *)buf.GetData(), buf.GetDataLen());
+#endif // wxUSE_UNICODE/!wxUSE_UNICODE
 
-    int posLineStart = strTrans.Find(pEOL);
-    while ( posLineStart != -1 )
+    // parse the input contents if there is anything to parse
+    if ( cbuf )
     {
-        wxString line(strTrans.Left(posLineStart));
+        // now break it into lines
+        wxMemoryText memText;
+        for ( const wxChar *s = cbuf; ; ++s )
+        {
+            const wxChar *e = s;
+            while ( *e != '\0' && *e != '\n' && *e != '\r' )
+                ++e;
 
-        memText.AddLine(line);
+            // notice that we throw away the original EOL kind here, maybe we
+            // should preserve it?
+            if ( e != s )
+                memText.AddLine(wxString(s, e));
 
-        strTrans = strTrans.Mid(posLineStart + EOLLen);
+            if ( *e == '\0' )
+                break;
 
-        posLineStart = strTrans.Find(pEOL);
-    }
+            // skip the second EOL byte if it's a DOS one
+            if ( *e == '\r' && e[1] == '\n' )
+                ++e;
 
-    // also add whatever we have left in the translated string.
-    if ( !strTrans.empty() )
-        memText.AddLine(strTrans);
+            s = e;
+        }
 
-    // Finally we can parse it all.
-    Parse(memText, true /* local */);
+        // Finally we can parse it all.
+        Parse(memText, true /* local */);
+    }
 
     SetRootPath();
     ResetDirty();
@@ -566,6 +522,8 @@ wxFileConfig::~wxFileConfig()
     Flush();
 
     CleanUp();
+
+    delete m_conv;
 }
 
 // ----------------------------------------------------------------------------
@@ -574,31 +532,24 @@ wxFileConfig::~wxFileConfig()
 
 void wxFileConfig::Parse(const wxTextBuffer& buffer, bool bLocal)
 {
-  const wxChar *pStart;
-  const wxChar *pEnd;
-  wxString strLine;
 
   size_t nLineCount = buffer.GetLineCount();
 
   for ( size_t n = 0; n < nLineCount; n++ )
   {
-    strLine = buffer[n];
+    wxString strLine = buffer[n];
+    // FIXME-UTF8: rewrite using iterators, without this buffer
+    wxWxCharBuffer buf(strLine.c_str());
+    const wxChar *pStart;
+    const wxChar *pEnd;
 
     // add the line to linked list
     if ( bLocal )
-    {
       LineListAppend(strLine);
 
-      // let the root group have its start line as well
-      if ( !n )
-      {
-        m_pCurrentGroup->SetLine(m_linesTail);
-      }
-    }
-
 
     // skip leading spaces
-    for ( pStart = strLine; wxIsspace(*pStart); pStart++ )
+    for ( pStart = buf; wxIsspace(*pStart); pStart++ )
       ;
 
     // skip blank/comment lines
@@ -710,7 +661,7 @@ void wxFileConfig::Parse(const wxTextBuffer& buffer, bool bLocal)
           // which is exactly what we want.
           else if ( !bLocal || pEntry->IsLocal() ) {
             wxLogWarning(_("file '%s', line %d: key '%s' was first found at line %d."),
-                         buffer.GetName(), n + 1, strKey.c_str(), pEntry->Line());
+                         buffer.GetName(), (int)n + 1, strKey.c_str(), pEntry->Line());
 
           }
         }
@@ -766,7 +717,7 @@ wxFileConfig::DoSetPath(const wxString& strPath, bool createMissingComponents)
     // change current group
     size_t n;
     m_pCurrentGroup = m_pRootGroup;
-    for ( n = 0; n < aParts.Count(); n++ ) {
+    for ( n = 0; n < aParts.GetCount(); n++ ) {
         wxFileConfigGroup *pNextGroup = m_pCurrentGroup->FindSubgroup(aParts[n]);
         if ( pNextGroup == NULL )
         {
@@ -781,7 +732,7 @@ wxFileConfig::DoSetPath(const wxString& strPath, bool createMissingComponents)
 
     // recombine path parts in one variable
     m_strPath.Empty();
-    for ( n = 0; n < aParts.Count(); n++ ) {
+    for ( n = 0; n < aParts.GetCount(); n++ ) {
         m_strPath << wxCONFIG_PATH_SEPARATOR << aParts[n];
     }
 
@@ -793,6 +744,11 @@ void wxFileConfig::SetPath(const wxString& strPath)
     DoSetPath(strPath, true /* create missing path components */);
 }
 
+const wxString& wxFileConfig::GetPath() const
+{
+    return m_strPath;
+}
+
 // ----------------------------------------------------------------------------
 // enumeration
 // ----------------------------------------------------------------------------
@@ -805,7 +761,7 @@ bool wxFileConfig::GetFirstGroup(wxString& str, long& lIndex) const
 
 bool wxFileConfig::GetNextGroup (wxString& str, long& lIndex) const
 {
-    if ( size_t(lIndex) < m_pCurrentGroup->Groups().Count() ) {
+    if ( size_t(lIndex) < m_pCurrentGroup->Groups().GetCount() ) {
         str = m_pCurrentGroup->Groups()[(size_t)lIndex++]->Name();
         return true;
     }
@@ -821,7 +777,7 @@ bool wxFileConfig::GetFirstEntry(wxString& str, long& lIndex) const
 
 bool wxFileConfig::GetNextEntry (wxString& str, long& lIndex) const
 {
-    if ( size_t(lIndex) < m_pCurrentGroup->Entries().Count() ) {
+    if ( size_t(lIndex) < m_pCurrentGroup->Entries().GetCount() ) {
         str = m_pCurrentGroup->Entries()[(size_t)lIndex++]->Name();
         return true;
     }
@@ -831,14 +787,16 @@ bool wxFileConfig::GetNextEntry (wxString& str, long& lIndex) const
 
 size_t wxFileConfig::GetNumberOfEntries(bool bRecursive) const
 {
-    size_t n = m_pCurrentGroup->Entries().Count();
+    size_t n = m_pCurrentGroup->Entries().GetCount();
     if ( bRecursive ) {
+        wxFileConfig * const self = const_cast<wxFileConfig *>(this);
+
         wxFileConfigGroup *pOldCurrentGroup = m_pCurrentGroup;
-        size_t nSubgroups = m_pCurrentGroup->Groups().Count();
+        size_t nSubgroups = m_pCurrentGroup->Groups().GetCount();
         for ( size_t nGroup = 0; nGroup < nSubgroups; nGroup++ ) {
-            CONST_CAST m_pCurrentGroup = m_pCurrentGroup->Groups()[nGroup];
+            self->m_pCurrentGroup = m_pCurrentGroup->Groups()[nGroup];
             n += GetNumberOfEntries(true);
-            CONST_CAST m_pCurrentGroup = pOldCurrentGroup;
+            self->m_pCurrentGroup = pOldCurrentGroup;
         }
     }
 
@@ -847,14 +805,16 @@ size_t wxFileConfig::GetNumberOfEntries(bool bRecursive) const
 
 size_t wxFileConfig::GetNumberOfGroups(bool bRecursive) const
 {
-    size_t n = m_pCurrentGroup->Groups().Count();
+    size_t n = m_pCurrentGroup->Groups().GetCount();
     if ( bRecursive ) {
+        wxFileConfig * const self = const_cast<wxFileConfig *>(this);
+
         wxFileConfigGroup *pOldCurrentGroup = m_pCurrentGroup;
-        size_t nSubgroups = m_pCurrentGroup->Groups().Count();
+        size_t nSubgroups = m_pCurrentGroup->Groups().GetCount();
         for ( size_t nGroup = 0; nGroup < nSubgroups; nGroup++ ) {
-            CONST_CAST m_pCurrentGroup = m_pCurrentGroup->Groups()[nGroup];
+            self->m_pCurrentGroup = m_pCurrentGroup->Groups()[nGroup];
             n += GetNumberOfGroups(true);
-            CONST_CAST m_pCurrentGroup = pOldCurrentGroup;
+            self->m_pCurrentGroup = pOldCurrentGroup;
         }
     }
 
@@ -874,7 +834,7 @@ bool wxFileConfig::HasGroup(const wxString& strName) const
 
     const wxString pathOld = GetPath();
 
-    wxFileConfig *self = wx_const_cast(wxFileConfig *, this);
+    wxFileConfig *self = const_cast<wxFileConfig *>(this);
     const bool
         rc = self->DoSetPath(strName, false /* don't create missing components */);
 
@@ -883,12 +843,44 @@ bool wxFileConfig::HasGroup(const wxString& strName) const
     return rc;
 }
 
-bool wxFileConfig::HasEntry(const wxString& strName) const
+bool wxFileConfig::HasEntry(const wxString& entry) const
 {
-    wxConfigPathChanger path(this, strName);
+    // path is the part before the last "/"
+    wxString path = entry.BeforeLast(wxCONFIG_PATH_SEPARATOR);
 
-    wxFileConfigEntry *pEntry = m_pCurrentGroup->FindEntry(path.Name());
-    return pEntry != NULL;
+    // except in the special case of "/keyname" when there is nothing before "/"
+    if ( path.empty() && *entry.c_str() == wxCONFIG_PATH_SEPARATOR )
+    {
+        path = wxCONFIG_PATH_SEPARATOR;
+    }
+
+    // change to the path of the entry if necessary and remember the old path
+    // to restore it later
+    wxString pathOld;
+    wxFileConfig * const self = const_cast<wxFileConfig *>(this);
+    if ( !path.empty() )
+    {
+        pathOld = GetPath();
+        if ( pathOld.empty() )
+            pathOld = wxCONFIG_PATH_SEPARATOR;
+
+        if ( !self->DoSetPath(path, false /* don't create if doesn't exist */) )
+        {
+            return false;
+        }
+    }
+
+    // check if the entry exists in this group
+    const bool exists = m_pCurrentGroup->FindEntry(
+                            entry.AfterLast(wxCONFIG_PATH_SEPARATOR)) != NULL;
+
+    // restore the old path if we changed it above
+    if ( !pathOld.empty() )
+    {
+        self->SetPath(pathOld);
+    }
+
+    return exists;
 }
 
 // ----------------------------------------------------------------------------
@@ -921,13 +913,29 @@ bool wxFileConfig::DoReadLong(const wxString& key, long *pl) const
     return str.ToLong(pl);
 }
 
+#if wxUSE_BASE64
+
+bool wxFileConfig::DoReadBinary(const wxString& key, wxMemoryBuffer* buf) const
+{
+    wxCHECK_MSG( buf, false, wxT("NULL buffer") );
+
+    wxString str;
+    if ( !Read(key, &str) )
+        return false;
+
+    *buf = wxBase64Decode(str);
+    return true;
+}
+
+#endif // wxUSE_BASE64
+
 bool wxFileConfig::DoWriteString(const wxString& key, const wxString& szValue)
 {
     wxConfigPathChanger     path(this, key);
     wxString                strName = path.Name();
 
     wxLogTrace( FILECONF_TRACE_MASK,
-                _T("  Writing String '%s' = '%s' to Group '%s'"),
+                wxT("  Writing String '%s' = '%s' to Group '%s'"),
                 strName.c_str(),
                 szValue.c_str(),
                 GetPath().c_str() );
@@ -941,13 +949,13 @@ bool wxFileConfig::DoWriteString(const wxString& key, const wxString& szValue)
             // ... except if it's empty in which case it's a way to force it's creation
 
         wxLogTrace( FILECONF_TRACE_MASK,
-                    _T("  Creating group %s"),
+                    wxT("  Creating group %s"),
                     m_pCurrentGroup->Name().c_str() );
 
         SetDirty();
 
-            // this will add a line for this group if it didn't have it before
-
+        // this will add a line for this group if it didn't have it before (or
+        // do nothing for the root but it's ok as it always exists anyhow)
         (void)m_pCurrentGroup->GetGroupLine();
     }
     else
@@ -965,13 +973,13 @@ bool wxFileConfig::DoWriteString(const wxString& key, const wxString& szValue)
         if ( pEntry == 0 )
         {
             wxLogTrace( FILECONF_TRACE_MASK,
-                        _T("  Adding Entry %s"),
+                        wxT("  Adding Entry %s"),
                         strName.c_str() );
             pEntry = m_pCurrentGroup->AddEntry(strName);
         }
 
         wxLogTrace( FILECONF_TRACE_MASK,
-                    _T("  Setting value %s"),
+                    wxT("  Setting value %s"),
                     szValue.c_str() );
         pEntry->SetValue(szValue);
 
@@ -983,18 +991,27 @@ bool wxFileConfig::DoWriteString(const wxString& key, const wxString& szValue)
 
 bool wxFileConfig::DoWriteLong(const wxString& key, long lValue)
 {
-  return Write(key, wxString::Format(_T("%ld"), lValue));
+  return Write(key, wxString::Format(wxT("%ld"), lValue));
+}
+
+#if wxUSE_BASE64
+
+bool wxFileConfig::DoWriteBinary(const wxString& key, const wxMemoryBuffer& buf)
+{
+  return Write(key, wxBase64Encode(buf));
 }
 
+#endif // wxUSE_BASE64
+
 bool wxFileConfig::Flush(bool /* bCurrentOnly */)
 {
-  if ( !IsDirty() || !m_strLocalFile )
+  if ( !IsDirty() || !m_fnLocalFile.GetFullPath() )
     return true;
 
   // set the umask if needed
   wxCHANGE_UMASK(m_umask);
 
-  wxTempFile file(m_strLocalFile);
+  wxTempFile file(m_fnLocalFile.GetFullPath());
 
   if ( !file.IsOpened() )
   {
@@ -1003,15 +1020,17 @@ bool wxFileConfig::Flush(bool /* bCurrentOnly */)
   }
 
   // write all strings to file
+  wxString filetext;
+  filetext.reserve(4096);
   for ( wxFileConfigLineList *p = m_linesHead; p != NULL; p = p->Next() )
   {
-    wxString line = p->Text();
-    line += wxTextFile::GetEOL();
-    if ( !file.Write(line, m_conv) )
-    {
-      wxLogError(_("can't write user configuration file."));
-      return false;
-    }
+    filetext << p->Text() << wxTextFile::GetEOL();
+  }
+
+  if ( !file.Write(filetext, *m_conv) )
+  {
+    wxLogError(_("can't write user configuration file."));
+    return false;
   }
 
   if ( !file.Commit() )
@@ -1023,8 +1042,8 @@ bool wxFileConfig::Flush(bool /* bCurrentOnly */)
 
   ResetDirty();
 
-#if defined(__WXMAC__)
-  wxFileName(m_strLocalFile).MacSetTypeAndCreator('TEXT', 'ttxt');
+#if defined( __WXOSX_MAC__ ) && wxOSX_USE_CARBON
+  m_fnLocalFile.MacSetTypeAndCreator('TEXT', 'ttxt');
 #endif // __WXMAC__
 
   return true;
@@ -1032,7 +1051,7 @@ bool wxFileConfig::Flush(bool /* bCurrentOnly */)
 
 #if wxUSE_STREAMS
 
-bool wxFileConfig::Save(wxOutputStream& os, wxMBConv& conv)
+bool wxFileConfig::Save(wxOutputStream& os, const wxMBConv& conv)
 {
     // save unconditionally, even if not dirty
     for ( wxFileConfigLineList *p = m_linesHead; p != NULL; p = p->Next() )
@@ -1063,8 +1082,8 @@ bool wxFileConfig::Save(wxOutputStream& os, wxMBConv& conv)
 bool wxFileConfig::RenameEntry(const wxString& oldName,
                                const wxString& newName)
 {
-    wxASSERT_MSG( !wxStrchr(oldName, wxCONFIG_PATH_SEPARATOR),
-                   _T("RenameEntry(): paths are not supported") );
+    wxASSERT_MSG( oldName.find(wxCONFIG_PATH_SEPARATOR) == wxString::npos,
+                   wxT("RenameEntry(): paths are not supported") );
 
     // check that the entry exists
     wxFileConfigEntry *oldEntry = m_pCurrentGroup->FindEntry(oldName);
@@ -1134,11 +1153,13 @@ bool wxFileConfig::DeleteEntry(const wxString& key, bool bGroupIfEmptyAlso)
 
 bool wxFileConfig::DeleteGroup(const wxString& key)
 {
-  wxConfigPathChanger path(this, key);
+  wxConfigPathChanger path(this, RemoveTrailingSeparator(key));
 
   if ( !m_pCurrentGroup->DeleteSubgroupByName(path.Name()) )
       return false;
 
+  path.UpdateIfDeleted();
+
   SetDirty();
 
   return true;
@@ -1148,17 +1169,15 @@ bool wxFileConfig::DeleteAll()
 {
   CleanUp();
 
-  if ( !m_strLocalFile.empty() )
+  if ( m_fnLocalFile.IsOk() )
   {
-      if ( wxFile::Exists(m_strLocalFile) && wxRemove(m_strLocalFile) == -1 )
+      if ( m_fnLocalFile.FileExists() &&
+           !wxRemoveFile(m_fnLocalFile.GetFullPath()) )
       {
           wxLogSysError(_("can't delete user configuration file '%s'"),
-                        m_strLocalFile.c_str());
+                        m_fnLocalFile.GetFullPath().c_str());
           return false;
       }
-
-      m_strLocalFile =
-      m_strGlobalFile = wxEmptyString;
   }
 
   Init();
@@ -1175,14 +1194,16 @@ bool wxFileConfig::DeleteAll()
 wxFileConfigLineList *wxFileConfig::LineListAppend(const wxString& str)
 {
     wxLogTrace( FILECONF_TRACE_MASK,
-                _T("    ** Adding Line '%s'"),
+                wxT("    ** Adding Line '%s'"),
                 str.c_str() );
     wxLogTrace( FILECONF_TRACE_MASK,
-                _T("        head: %s"),
-                ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) );
+                wxT("        head: %s"),
+                ((m_linesHead) ? (const wxChar*)m_linesHead->Text().c_str()
+                               : wxEmptyString) );
     wxLogTrace( FILECONF_TRACE_MASK,
-                _T("        tail: %s"),
-                ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) );
+                wxT("        tail: %s"),
+                ((m_linesTail) ? (const wxChar*)m_linesTail->Text().c_str()
+                               : wxEmptyString) );
 
     wxFileConfigLineList *pLine = new wxFileConfigLineList(str);
 
@@ -1201,11 +1222,13 @@ wxFileConfigLineList *wxFileConfig::LineListAppend(const wxString& str)
     m_linesTail = pLine;
 
     wxLogTrace( FILECONF_TRACE_MASK,
-                _T("        head: %s"),
-                ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) );
+                wxT("        head: %s"),
+                ((m_linesHead) ? (const wxChar*)m_linesHead->Text().c_str()
+                               : wxEmptyString) );
     wxLogTrace( FILECONF_TRACE_MASK,
-                _T("        tail: %s"),
-                ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) );
+                wxT("        tail: %s"),
+                ((m_linesTail) ? (const wxChar*)m_linesTail->Text().c_str()
+                               : wxEmptyString) );
 
     return m_linesTail;
 }
@@ -1215,15 +1238,18 @@ wxFileConfigLineList *wxFileConfig::LineListInsert(const wxString& str,
                                                    wxFileConfigLineList *pLine)
 {
     wxLogTrace( FILECONF_TRACE_MASK,
-                _T("    ** Inserting Line '%s' after '%s'"),
+                wxT("    ** Inserting Line '%s' after '%s'"),
                 str.c_str(),
-                ((pLine) ? pLine->Text().c_str() : wxEmptyString) );
+                ((pLine) ? (const wxChar*)pLine->Text().c_str()
+                         : wxEmptyString) );
     wxLogTrace( FILECONF_TRACE_MASK,
-                _T("        head: %s"),
-                ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) );
+                wxT("        head: %s"),
+                ((m_linesHead) ? (const wxChar*)m_linesHead->Text().c_str()
+                               : wxEmptyString) );
     wxLogTrace( FILECONF_TRACE_MASK,
-                _T("        tail: %s"),
-                ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) );
+                wxT("        tail: %s"),
+                ((m_linesTail) ? (const wxChar*)m_linesTail->Text().c_str()
+                               : wxEmptyString) );
 
     if ( pLine == m_linesTail )
         return LineListAppend(str);
@@ -1247,11 +1273,13 @@ wxFileConfigLineList *wxFileConfig::LineListInsert(const wxString& str,
     }
 
     wxLogTrace( FILECONF_TRACE_MASK,
-                _T("        head: %s"),
-                ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) );
+                wxT("        head: %s"),
+                ((m_linesHead) ? (const wxChar*)m_linesHead->Text().c_str()
+                               : wxEmptyString) );
     wxLogTrace( FILECONF_TRACE_MASK,
-                _T("        tail: %s"),
-                ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) );
+                wxT("        tail: %s"),
+                ((m_linesTail) ? (const wxChar*)m_linesTail->Text().c_str()
+                               : wxEmptyString) );
 
     return pNewLine;
 }
@@ -1259,14 +1287,16 @@ wxFileConfigLineList *wxFileConfig::LineListInsert(const wxString& str,
 void wxFileConfig::LineListRemove(wxFileConfigLineList *pLine)
 {
     wxLogTrace( FILECONF_TRACE_MASK,
-                _T("    ** Removing Line '%s'"),
+                wxT("    ** Removing Line '%s'"),
                 pLine->Text().c_str() );
     wxLogTrace( FILECONF_TRACE_MASK,
-                _T("        head: %s"),
-                ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) );
+                wxT("        head: %s"),
+                ((m_linesHead) ? (const wxChar*)m_linesHead->Text().c_str()
+                               : wxEmptyString) );
     wxLogTrace( FILECONF_TRACE_MASK,
-                _T("        tail: %s"),
-                ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) );
+                wxT("        tail: %s"),
+                ((m_linesTail) ? (const wxChar*)m_linesTail->Text().c_str()
+                               : wxEmptyString) );
 
     wxFileConfigLineList    *pPrev = pLine->Prev(),
                             *pNext = pLine->Next();
@@ -1285,15 +1315,14 @@ void wxFileConfig::LineListRemove(wxFileConfigLineList *pLine)
     else
         pNext->SetPrev(pPrev);
 
-    if ( m_pRootGroup->GetGroupLine() == pLine )
-        m_pRootGroup->SetLine(m_linesHead);
-
     wxLogTrace( FILECONF_TRACE_MASK,
-                _T("        head: %s"),
-                ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) );
+                wxT("        head: %s"),
+                ((m_linesHead) ? (const wxChar*)m_linesHead->Text().c_str()
+                               : wxEmptyString) );
     wxLogTrace( FILECONF_TRACE_MASK,
-                _T("        tail: %s"),
-                ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) );
+                wxT("        tail: %s"),
+                ((m_linesTail) ? (const wxChar*)m_linesTail->Text().c_str()
+                               : wxEmptyString) );
 
     delete pLine;
 }
@@ -1331,12 +1360,12 @@ wxFileConfigGroup::wxFileConfigGroup(wxFileConfigGroup *pParent,
 wxFileConfigGroup::~wxFileConfigGroup()
 {
   // entries
-  size_t n, nCount = m_aEntries.Count();
+  size_t n, nCount = m_aEntries.GetCount();
   for ( n = 0; n < nCount; n++ )
     delete m_aEntries[n];
 
   // subgroups
-  nCount = m_aSubgroups.Count();
+  nCount = m_aSubgroups.GetCount();
   for ( n = 0; n < nCount; n++ )
     delete m_aSubgroups[n];
 }
@@ -1350,7 +1379,7 @@ void wxFileConfigGroup::SetLine(wxFileConfigLineList *pLine)
     // for a normal (i.e. not root) group this method shouldn't be called twice
     // unless we are resetting the line
     wxASSERT_MSG( !m_pParent || !m_pLine || !pLine,
-                   _T("changing line for a non-root group?") );
+                   wxT("changing line for a non-root group?") );
 
     m_pLine = pLine;
 }
@@ -1392,13 +1421,13 @@ void wxFileConfigGroup::SetLine(wxFileConfigLineList *pLine)
 wxFileConfigLineList *wxFileConfigGroup::GetGroupLine()
 {
     wxLogTrace( FILECONF_TRACE_MASK,
-                _T("  GetGroupLine() for Group '%s'"),
+                wxT("  GetGroupLine() for Group '%s'"),
                 Name().c_str() );
 
     if ( !m_pLine )
     {
         wxLogTrace( FILECONF_TRACE_MASK,
-                    _T("    Getting Line item pointer") );
+                    wxT("    Getting Line item pointer") );
 
         wxFileConfigGroup   *pParent = Parent();
 
@@ -1406,7 +1435,7 @@ wxFileConfigLineList *wxFileConfigGroup::GetGroupLine()
         if ( pParent )
         {
             wxLogTrace( FILECONF_TRACE_MASK,
-                        _T("    checking parent '%s'"),
+                        wxT("    checking parent '%s'"),
                         pParent->Name().c_str() );
 
             wxString    strFullName;
@@ -1437,7 +1466,7 @@ wxFileConfigLineList *wxFileConfigGroup::GetLastGroupLine()
     {
         wxFileConfigLineList *pLine = m_pLastGroup->GetLastGroupLine();
 
-        wxASSERT_MSG( pLine, _T("last group must have !NULL associated line") );
+        wxASSERT_MSG( pLine, wxT("last group must have !NULL associated line") );
 
         return pLine;
     }
@@ -1452,14 +1481,14 @@ wxFileConfigLineList *wxFileConfigGroup::GetLastGroupLine()
 wxFileConfigLineList *wxFileConfigGroup::GetLastEntryLine()
 {
     wxLogTrace( FILECONF_TRACE_MASK,
-                _T("  GetLastEntryLine() for Group '%s'"),
+                wxT("  GetLastEntryLine() for Group '%s'"),
                 Name().c_str() );
 
     if ( m_pLastEntry )
     {
         wxFileConfigLineList    *pLine = m_pLastEntry->GetLine();
 
-        wxASSERT_MSG( pLine, _T("last entry must have !NULL associated line") );
+        wxASSERT_MSG( pLine, wxT("last entry must have !NULL associated line") );
 
         return pLine;
     }
@@ -1477,7 +1506,7 @@ void wxFileConfigGroup::SetLastEntry(wxFileConfigEntry *pEntry)
         // the only situation in which a group without its own line can have
         // an entry is when the first entry is added to the initially empty
         // root pseudo-group
-        wxASSERT_MSG( !m_pParent, _T("unexpected for non root group") );
+        wxASSERT_MSG( !m_pParent, wxT("unexpected for non root group") );
 
         // let the group know that it does have a line in the file now
         m_pLine = pEntry->GetLine();
@@ -1492,14 +1521,14 @@ void wxFileConfigGroup::UpdateGroupAndSubgroupsLines()
 {
     // update the line of this group
     wxFileConfigLineList *line = GetGroupLine();
-    wxCHECK_RET( line, _T("a non root group must have a corresponding line!") );
+    wxCHECK_RET( line, wxT("a non root group must have a corresponding line!") );
 
     // +1: skip the leading '/'
-    line->SetText(wxString::Format(_T("[%s]"), GetFullName().c_str() + 1));
+    line->SetText(wxString::Format(wxT("[%s]"), GetFullName().c_str() + 1));
 
 
     // also update all subgroups as they have this groups name in their lines
-    const size_t nCount = m_aSubgroups.Count();
+    const size_t nCount = m_aSubgroups.GetCount();
     for ( size_t n = 0; n < nCount; n++ )
     {
         m_aSubgroups[n]->UpdateGroupAndSubgroupsLines();
@@ -1508,10 +1537,19 @@ void wxFileConfigGroup::UpdateGroupAndSubgroupsLines()
 
 void wxFileConfigGroup::Rename(const wxString& newName)
 {
-    wxCHECK_RET( m_pParent, _T("the root group can't be renamed") );
+    wxCHECK_RET( m_pParent, wxT("the root group can't be renamed") );
+
+    if ( newName == m_strName )
+        return;
+
+    // we need to remove the group from the parent and it back under the new
+    // name to keep the parents array of subgroups alphabetically sorted
+    m_pParent->m_aSubgroups.Remove(this);
 
     m_strName = newName;
 
+    m_pParent->m_aSubgroups.Add(this);
+
     // update the group lines recursively
     UpdateGroupAndSubgroupsLines();
 }
@@ -1531,11 +1569,11 @@ wxString wxFileConfigGroup::GetFullName() const
 
 // use binary search because the array is sorted
 wxFileConfigEntry *
-wxFileConfigGroup::FindEntry(const wxChar *szName) const
+wxFileConfigGroup::FindEntry(const wxString& name) const
 {
   size_t i,
        lo = 0,
-       hi = m_aEntries.Count();
+       hi = m_aEntries.GetCount();
   int res;
   wxFileConfigEntry *pEntry;
 
@@ -1544,9 +1582,9 @@ wxFileConfigGroup::FindEntry(const wxChar *szName) const
     pEntry = m_aEntries[i];
 
     #if wxCONFIG_CASE_SENSITIVE
-      res = wxStrcmp(pEntry->Name(), szName);
+      res = pEntry->Name().compare(name);
     #else
-      res = wxStricmp(pEntry->Name(), szName);
+      res = pEntry->Name().CmpNoCase(name);
     #endif
 
     if ( res > 0 )
@@ -1561,11 +1599,11 @@ wxFileConfigGroup::FindEntry(const wxChar *szName) const
 }
 
 wxFileConfigGroup *
-wxFileConfigGroup::FindSubgroup(const wxChar *szName) const
+wxFileConfigGroup::FindSubgroup(const wxString& name) const
 {
   size_t i,
        lo = 0,
-       hi = m_aSubgroups.Count();
+       hi = m_aSubgroups.GetCount();
   int res;
   wxFileConfigGroup *pGroup;
 
@@ -1574,9 +1612,9 @@ wxFileConfigGroup::FindSubgroup(const wxChar *szName) const
     pGroup = m_aSubgroups[i];
 
     #if wxCONFIG_CASE_SENSITIVE
-      res = wxStrcmp(pGroup->Name(), szName);
+      res = pGroup->Name().compare(name);
     #else
-      res = wxStricmp(pGroup->Name(), szName);
+      res = pGroup->Name().CmpNoCase(name);
     #endif
 
     if ( res > 0 )
@@ -1627,9 +1665,9 @@ wxFileConfigGroup *wxFileConfigGroup::AddSubgroup(const wxString& strName)
   delete several of them.
  */
 
-bool wxFileConfigGroup::DeleteSubgroupByName(const wxChar *szName)
+bool wxFileConfigGroup::DeleteSubgroupByName(const wxString& name)
 {
-    wxFileConfigGroup * const pGroup = FindSubgroup(szName);
+    wxFileConfigGroup * const pGroup = FindSubgroup(name);
 
     return pGroup ? DeleteSubgroup(pGroup) : false;
 }
@@ -1638,27 +1676,28 @@ bool wxFileConfigGroup::DeleteSubgroupByName(const wxChar *szName)
 // other data structures.
 bool wxFileConfigGroup::DeleteSubgroup(wxFileConfigGroup *pGroup)
 {
-    wxCHECK_MSG( pGroup, false, _T("deleting non existing group?") );
+    wxCHECK_MSG( pGroup, false, wxT("deleting non existing group?") );
 
     wxLogTrace( FILECONF_TRACE_MASK,
-                _T("Deleting group '%s' from '%s'"),
+                wxT("Deleting group '%s' from '%s'"),
                 pGroup->Name().c_str(),
                 Name().c_str() );
 
     wxLogTrace( FILECONF_TRACE_MASK,
-                _T("  (m_pLine) = prev: %p, this %p, next %p"),
-                ((m_pLine) ? m_pLine->Prev() : 0),
-                m_pLine,
-                ((m_pLine) ? m_pLine->Next() : 0) );
+                wxT("  (m_pLine) = prev: %p, this %p, next %p"),
+                m_pLine ? static_cast<void*>(m_pLine->Prev()) : 0,
+                static_cast<void*>(m_pLine),
+                m_pLine ? static_cast<void*>(m_pLine->Next()) : 0 );
     wxLogTrace( FILECONF_TRACE_MASK,
-                _T("  text: '%s'"),
-                ((m_pLine) ? m_pLine->Text().c_str() : wxEmptyString) );
+                wxT("  text: '%s'"),
+                m_pLine ? (const wxChar*)m_pLine->Text().c_str()
+                        : wxEmptyString );
 
     // delete all entries...
-    size_t nCount = pGroup->m_aEntries.Count();
+    size_t nCount = pGroup->m_aEntries.GetCount();
 
     wxLogTrace(FILECONF_TRACE_MASK,
-               _T("Removing %lu entries"), (unsigned long)nCount );
+               wxT("Removing %lu entries"), (unsigned long)nCount );
 
     for ( size_t nEntry = 0; nEntry < nCount; nEntry++ )
     {
@@ -1667,17 +1706,17 @@ bool wxFileConfigGroup::DeleteSubgroup(wxFileConfigGroup *pGroup)
         if ( pLine )
         {
             wxLogTrace( FILECONF_TRACE_MASK,
-                        _T("    '%s'"),
+                        wxT("    '%s'"),
                         pLine->Text().c_str() );
             m_pConfig->LineListRemove(pLine);
         }
     }
 
     // ...and subgroups of this subgroup
-    nCount = pGroup->m_aSubgroups.Count();
+    nCount = pGroup->m_aSubgroups.GetCount();
 
     wxLogTrace( FILECONF_TRACE_MASK,
-                _T("Removing %lu subgroups"), (unsigned long)nCount );
+                wxT("Removing %lu subgroups"), (unsigned long)nCount );
 
     for ( size_t nGroup = 0; nGroup < nCount; nGroup++ )
     {
@@ -1689,29 +1728,30 @@ bool wxFileConfigGroup::DeleteSubgroup(wxFileConfigGroup *pGroup)
     if ( pLine )
     {
         wxLogTrace( FILECONF_TRACE_MASK,
-                    _T("  Removing line for group '%s' : '%s'"),
+                    wxT("  Removing line for group '%s' : '%s'"),
                     pGroup->Name().c_str(),
                     pLine->Text().c_str() );
         wxLogTrace( FILECONF_TRACE_MASK,
-                    _T("  Removing from group '%s' : '%s'"),
+                    wxT("  Removing from group '%s' : '%s'"),
                     Name().c_str(),
-                    ((m_pLine) ? m_pLine->Text().c_str() : wxEmptyString) );
+                    ((m_pLine) ? (const wxChar*)m_pLine->Text().c_str()
+                               : wxEmptyString) );
 
         // notice that we may do this test inside the previous "if"
         // because the last entry's line is surely !NULL
         if ( pGroup == m_pLastGroup )
         {
             wxLogTrace( FILECONF_TRACE_MASK,
-                        _T("  Removing last group") );
+                        wxT("  Removing last group") );
 
             // our last entry is being deleted, so find the last one which
             // stays by going back until we find a subgroup or reach the
             // group line
-            const size_t nSubgroups = m_aSubgroups.Count();
+            const size_t nSubgroups = m_aSubgroups.GetCount();
 
             m_pLastGroup = NULL;
             for ( wxFileConfigLineList *pl = pLine->Prev();
-                  pl && pl != m_pLine && !m_pLastGroup;
+                  pl && !m_pLastGroup;
                   pl = pl->Prev() )
             {
                 // does this line belong to our subgroup?
@@ -1725,6 +1765,9 @@ bool wxFileConfigGroup::DeleteSubgroup(wxFileConfigGroup *pGroup)
                         break;
                     }
                 }
+
+                if ( pl == m_pLine )
+                    break;
             }
         }
 
@@ -1733,7 +1776,7 @@ bool wxFileConfigGroup::DeleteSubgroup(wxFileConfigGroup *pGroup)
     else
     {
         wxLogTrace( FILECONF_TRACE_MASK,
-                    _T("  No line entry for Group '%s'?"),
+                    wxT("  No line entry for Group '%s'?"),
                     pGroup->Name().c_str() );
     }
 
@@ -1743,9 +1786,9 @@ bool wxFileConfigGroup::DeleteSubgroup(wxFileConfigGroup *pGroup)
     return true;
 }
 
-bool wxFileConfigGroup::DeleteEntry(const wxChar *szName)
+bool wxFileConfigGroup::DeleteEntry(const wxString& name)
 {
-  wxFileConfigEntry *pEntry = FindEntry(szName);
+  wxFileConfigEntry *pEntry = FindEntry(name);
   if ( !pEntry )
   {
       // entry doesn't exist, nothing to do
@@ -1760,29 +1803,26 @@ bool wxFileConfigGroup::DeleteEntry(const wxChar *szName)
       // our last entry is being deleted - find the last one which stays
       wxASSERT( m_pLine != NULL );  // if we have an entry with !NULL pLine...
 
-      // go back until we find another entry or reach the group's line
+      // find the previous entry (if any)
       wxFileConfigEntry *pNewLast = NULL;
-      size_t n, nEntries = m_aEntries.Count();
-      wxFileConfigLineList *pl;
-      for ( pl = pLine->Prev(); pl != m_pLine; pl = pl->Prev() ) {
-        // is it our subgroup?
-        for ( n = 0; (pNewLast == NULL) && (n < nEntries); n++ ) {
-          if ( m_aEntries[n]->GetLine() == m_pLine )
-            pNewLast = m_aEntries[n];
-        }
-
-        if ( pNewLast != NULL ) // found?
+      const wxFileConfigLineList * const
+        pNewLastLine = m_pLastEntry->GetLine()->Prev();
+      const size_t nEntries = m_aEntries.GetCount();
+      for ( size_t n = 0; n < nEntries; n++ ) {
+        if ( m_aEntries[n]->GetLine() == pNewLastLine ) {
+          pNewLast = m_aEntries[n];
           break;
+        }
       }
 
-      if ( pl == m_pLine ) {
-        wxASSERT( !pNewLast );  // how comes it has the same line as we?
+      // pNewLast can be NULL here -- it's ok and can happen if we have no
+      // entries left
+      m_pLastEntry = pNewLast;
 
-        // we've reached the group line without finding any subgroups
-        m_pLastEntry = NULL;
-      }
-      else
-        m_pLastEntry = pNewLast;
+      // For the root group only, we could be removing the first group line
+      // here, so update m_pLine to avoid keeping a dangling pointer.
+      if ( pLine == m_pLine )
+          SetLine(NULL);
     }
 
     m_pConfig->LineListRemove(pLine);
@@ -1897,20 +1937,20 @@ void wxFileConfigEntry::SetValue(const wxString& strValue, bool bUser)
 
 int CompareEntries(wxFileConfigEntry *p1, wxFileConfigEntry *p2)
 {
-  #if wxCONFIG_CASE_SENSITIVE
-    return wxStrcmp(p1->Name(), p2->Name());
-  #else
-    return wxStricmp(p1->Name(), p2->Name());
-  #endif
+#if wxCONFIG_CASE_SENSITIVE
+    return p1->Name().compare(p2->Name());
+#else
+    return p1->Name().CmpNoCase(p2->Name());
+#endif
 }
 
 int CompareGroups(wxFileConfigGroup *p1, wxFileConfigGroup *p2)
 {
-  #if wxCONFIG_CASE_SENSITIVE
-    return wxStrcmp(p1->Name(), p2->Name());
-  #else
-    return wxStricmp(p1->Name(), p2->Name());
-  #endif
+#if wxCONFIG_CASE_SENSITIVE
+    return p1->Name().compare(p2->Name());
+#else
+    return p1->Name().CmpNoCase(p2->Name());
+#endif
 }
 
 // ----------------------------------------------------------------------------
@@ -1920,47 +1960,66 @@ int CompareGroups(wxFileConfigGroup *p1, wxFileConfigGroup *p2)
 // undo FilterOutValue
 static wxString FilterInValue(const wxString& str)
 {
-  wxString strResult;
-  strResult.Alloc(str.Len());
+    wxString strResult;
+    if ( str.empty() )
+        return strResult;
 
-  bool bQuoted = !str.empty() && str[0] == '"';
+    strResult.reserve(str.length());
 
-  for ( size_t n = bQuoted ? 1 : 0; n < str.Len(); n++ ) {
-    if ( str[n] == wxT('\\') ) {
-      switch ( str[++n] ) {
-        case wxT('n'):
-          strResult += wxT('\n');
-          break;
+    wxString::const_iterator i = str.begin();
+    const bool bQuoted = *i == '"';
+    if ( bQuoted )
+        ++i;
 
-        case wxT('r'):
-          strResult += wxT('\r');
-          break;
+    for ( const wxString::const_iterator end = str.end(); i != end; ++i )
+    {
+        if ( *i == wxT('\\') )
+        {
+            if ( ++i == end )
+            {
+                wxLogWarning(_("trailing backslash ignored in '%s'"), str.c_str());
+                break;
+            }
 
-        case wxT('t'):
-          strResult += wxT('\t');
-          break;
+            switch ( (*i).GetValue() )
+            {
+                case wxT('n'):
+                    strResult += wxT('\n');
+                    break;
 
-        case wxT('\\'):
-          strResult += wxT('\\');
-          break;
+                case wxT('r'):
+                    strResult += wxT('\r');
+                    break;
 
-        case wxT('"'):
-          strResult += wxT('"');
-          break;
-      }
-    }
-    else {
-      if ( str[n] != wxT('"') || !bQuoted )
-        strResult += str[n];
-      else if ( n != str.Len() - 1 ) {
-        wxLogWarning(_("unexpected \" at position %d in '%s'."),
-                     n, str.c_str());
-      }
-      //else: it's the last quote of a quoted string, ok
+                case wxT('t'):
+                    strResult += wxT('\t');
+                    break;
+
+                case wxT('\\'):
+                    strResult += wxT('\\');
+                    break;
+
+                case wxT('"'):
+                    strResult += wxT('"');
+                    break;
+            }
+        }
+        else // not a backslash
+        {
+            if ( *i != wxT('"') || !bQuoted )
+            {
+                strResult += *i;
+            }
+            else if ( i != end - 1 )
+            {
+                wxLogWarning(_("unexpected \" at position %d in '%s'."),
+                             i - str.begin(), str.c_str());
+            }
+            //else: it's the last quote of a quoted string, ok
+        }
     }
-  }
 
-  return strResult;
+    return strResult;
 }
 
 // quote the string before writing it to file
@@ -1980,7 +2039,7 @@ static wxString FilterOutValue(const wxString& str)
 
   wxChar c;
   for ( size_t n = 0; n < str.Len(); n++ ) {
-    switch ( str[n] ) {
+    switch ( str[n].GetValue() ) {
       case wxT('\n'):
         c = wxT('n');
         break;
@@ -2026,8 +2085,11 @@ static wxString FilterInEntryName(const wxString& str)
   strResult.Alloc(str.Len());
 
   for ( const wxChar *pc = str.c_str(); *pc != '\0'; pc++ ) {
-    if ( *pc == wxT('\\') )
-      pc++;
+    if ( *pc == wxT('\\') ) {
+      // we need to test it here or we'd skip past the NUL in the loop line
+      if ( *++pc == wxT('\0') )
+        break;
+    }
 
     strResult += *pc;
   }
@@ -2054,7 +2116,7 @@ static wxString FilterOutEntryName(const wxString& str)
 #if !wxUSE_UNICODE
             ((unsigned char)c < 127) &&
 #endif // ANSI
-         !wxIsalnum(c) && !wxStrchr(wxT("@_/-!.*%"), c) )
+         !wxIsalnum(c) && !wxStrchr(wxT("@_/-!.*%()"), c) )
     {
       strResult += wxT('\\');
     }