support mac on little endian systems

[wxWidgets.git] / src / common / fileconf.cpp

diff --git a/src/common/fileconf.cpp b/src/common/fileconf.cpp
index 5e445db8ce67796c7b3ffddf6460a24cc235d9f1..2944b099951415d6c73e5ab3d4f6dee9def07dfd 100644 (file)
--- a/src/common/fileconf.cpp
+++ b/src/common/fileconf.cpp
@@ -49,6 +49,7 @@
 
 #if defined(__WXMAC__)
   #include  "wx/mac/private.h"  // includes mac headers
 
 #if defined(__WXMAC__)
   #include  "wx/mac/private.h"  // includes mac headers

+  #include  "wx/filename.h"     // for MacSetTypeAndCreator

 #endif
 
 #if defined(__WXMSW__)
 #endif
 
 #if defined(__WXMSW__)


@@ -75,6 +76,8 @@
   #define MAX_PATH 512
 #endif
 
   #define MAX_PATH 512
 #endif
 

+#define FILECONF_TRACE_MASK _T("fileconf")
+

 // ----------------------------------------------------------------------------
 // global functions declarations
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // global functions declarations
 // ----------------------------------------------------------------------------


@@ -203,6 +206,9 @@ private:
   // DeleteSubgroupByName helper
   bool DeleteSubgroup(wxFileConfigGroup *pGroup);
 
   // DeleteSubgroupByName helper
   bool DeleteSubgroup(wxFileConfigGroup *pGroup);
 

+  // used by Rename()
+  void UpdateGroupAndSubgroupsLines();
+

 public:
   // ctor
   wxFileConfigGroup(wxFileConfigGroup *pParent, const wxString& strName, wxFileConfig *);
 public:
   // ctor
   wxFileConfigGroup(wxFileConfigGroup *pParent, const wxString& strName, wxFileConfig *);


@@ -286,7 +292,10 @@ wxString wxFileConfig::GetGlobalDir()
     // There's no such thing as global cfg dir in MS-DOS, let's return
     // current directory (FIXME_MGL?)
     return wxT(".\\");
     // There's no such thing as global cfg dir in MS-DOS, let's return
     // current directory (FIXME_MGL?)
     return wxT(".\\");

+#elif defined(__WXWINCE__)
+    strDir = wxT("\\Windows\\");

 #else // Windows
 #else // Windows

+

     wxChar szWinDir[MAX_PATH];
     ::GetWindowsDirectory(szWinDir, MAX_PATH);
 
     wxChar szWinDir[MAX_PATH];
     ::GetWindowsDirectory(szWinDir, MAX_PATH);
 


@@ -373,7 +382,7 @@ wxString wxFileConfig::GetLocalFileName(const wxChar *szFile)
 void wxFileConfig::Init()
 {
     m_pCurrentGroup =
 void wxFileConfig::Init()
 {
     m_pCurrentGroup =

-    m_pRootGroup    = new wxFileConfigGroup(NULL, wxT(""), this);
+    m_pRootGroup    = new wxFileConfigGroup(NULL, wxEmptyString, this);

 
     m_linesHead =
     m_linesTail = NULL;
 
     m_linesHead =
     m_linesTail = NULL;


@@ -381,7 +390,7 @@ void wxFileConfig::Init()
     // It's not an error if (one of the) file(s) doesn't exist.
 
     // parse the global file
     // It's not an error if (one of the) file(s) doesn't exist.
 
     // parse the global file

-    if ( !m_strGlobalFile.IsEmpty() && wxFile::Exists(m_strGlobalFile) )
+    if ( !m_strGlobalFile.empty() && wxFile::Exists(m_strGlobalFile) )

     {
         wxTextFile fileGlobal(m_strGlobalFile);
 
     {
         wxTextFile fileGlobal(m_strGlobalFile);
 


@@ -397,7 +406,7 @@ void wxFileConfig::Init()
     }
 
     // parse the local file
     }
 
     // parse the local file

-    if ( !m_strLocalFile.IsEmpty() && wxFile::Exists(m_strLocalFile) )
+    if ( !m_strLocalFile.empty() && wxFile::Exists(m_strLocalFile) )

     {
         wxTextFile fileLocal(m_strLocalFile);
         if ( fileLocal.Open(m_conv/*ignored in ANSI build*/) )
     {
         wxTextFile fileLocal(m_strLocalFile);
         if ( fileLocal.Open(m_conv/*ignored in ANSI build*/) )


@@ -425,32 +434,32 @@ wxFileConfig::wxFileConfig(const wxString& appName, const wxString& vendorName,
               m_conv(conv)
 {
     // Make up names for files if empty
               m_conv(conv)
 {
     // Make up names for files if empty

-    if ( m_strLocalFile.IsEmpty() && (style & wxCONFIG_USE_LOCAL_FILE) )
+    if ( m_strLocalFile.empty() && (style & wxCONFIG_USE_LOCAL_FILE) )

         m_strLocalFile = GetLocalFileName(GetAppName());
 
         m_strLocalFile = GetLocalFileName(GetAppName());
 

-    if ( m_strGlobalFile.IsEmpty() && (style & wxCONFIG_USE_GLOBAL_FILE) )
+    if ( m_strGlobalFile.empty() && (style & wxCONFIG_USE_GLOBAL_FILE) )

         m_strGlobalFile = GetGlobalFileName(GetAppName());
 
     // Check if styles are not supplied, but filenames are, in which case
     // add the correct styles.
         m_strGlobalFile = GetGlobalFileName(GetAppName());
 
     // Check if styles are not supplied, but filenames are, in which case
     // add the correct styles.

-    if ( !m_strLocalFile.IsEmpty() )
+    if ( !m_strLocalFile.empty() )

         SetStyle(GetStyle() | wxCONFIG_USE_LOCAL_FILE);
 
         SetStyle(GetStyle() | wxCONFIG_USE_LOCAL_FILE);
 

-    if ( !m_strGlobalFile.IsEmpty() )
+    if ( !m_strGlobalFile.empty() )

         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
     if ( !(style & wxCONFIG_USE_RELATIVE_PATH) )
     {
         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
     if ( !(style & wxCONFIG_USE_RELATIVE_PATH) )
     {

-        if ( !m_strLocalFile.IsEmpty() && !wxIsAbsolutePath(m_strLocalFile) )
+        if ( !m_strLocalFile.empty() && !wxIsAbsolutePath(m_strLocalFile) )

         {
             wxString strLocal = m_strLocalFile;
             m_strLocalFile = GetLocalDir();
             m_strLocalFile << strLocal;
         }
 
         {
             wxString strLocal = m_strLocalFile;
             m_strLocalFile = GetLocalDir();
             m_strLocalFile << strLocal;
         }
 

-        if ( !m_strGlobalFile.IsEmpty() && !wxIsAbsolutePath(m_strGlobalFile) )
+        if ( !m_strGlobalFile.empty() && !wxIsAbsolutePath(m_strGlobalFile) )

         {
             wxString strGlobal = m_strGlobalFile;
             m_strGlobalFile = GetGlobalDir();
         {
             wxString strGlobal = m_strGlobalFile;
             m_strGlobalFile = GetGlobalDir();


@@ -472,7 +481,7 @@ wxFileConfig::wxFileConfig(wxInputStream &inStream, wxMBConv& conv)
     SetStyle(GetStyle() | wxCONFIG_USE_LOCAL_FILE);
 
     m_pCurrentGroup =
     SetStyle(GetStyle() | wxCONFIG_USE_LOCAL_FILE);
 
     m_pCurrentGroup =

-    m_pRootGroup    = new wxFileConfigGroup(NULL, wxT(""), this);
+    m_pRootGroup    = new wxFileConfigGroup(NULL, wxEmptyString, this);

 
     m_linesHead =
     m_linesTail = NULL;
 
     m_linesHead =
     m_linesTail = NULL;


@@ -486,7 +495,7 @@ wxFileConfig::wxFileConfig(wxInputStream &inStream, wxMBConv& conv)
         char buf[1024];
         do
         {
         char buf[1024];
         do
         {

-            inStream.Read(buf, WXSIZEOF(buf));
+            inStream.Read(buf, WXSIZEOF(buf)-1);  // leave room for the NULL

 
             const wxStreamError err = inStream.GetLastError();
 
 
             const wxStreamError err = inStream.GetLastError();
 


@@ -496,7 +505,12 @@ wxFileConfig::wxFileConfig(wxInputStream &inStream, wxMBConv& conv)
                 break;
             }
 
                 break;
             }
 

-            strTmp.append(wxConvertMB2WX(buf), inStream.LastRead());
+            // 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);

         }
         while ( !inStream.Eof() );
 
         }
         while ( !inStream.Eof() );
 


@@ -527,12 +541,14 @@ wxFileConfig::wxFileConfig(wxInputStream &inStream, wxMBConv& conv)
     }
 
     // also add whatever we have left in the translated string.
     }
 
     // also add whatever we have left in the translated string.

-    memText.AddLine(strTrans);
+    if ( !strTrans.empty() )
+        memText.AddLine(strTrans);

 
     // Finally we can parse it all.
     Parse(memText, true /* local */);
 
     SetRootPath();
 
     // Finally we can parse it all.
     Parse(memText, true /* local */);
 
     SetRootPath();

+    ResetDirty();

 }
 
 #endif // wxUSE_STREAMS
 }
 
 #endif // wxUSE_STREAMS


@@ -577,7 +593,7 @@ void wxFileConfig::Parse(wxTextBuffer& buffer, bool bLocal)
     {
       LineListAppend(strLine);
 
     {
       LineListAppend(strLine);
 

-      // let the root group have it start line as well
+      // let the root group have its start line as well

       if ( !n )
       {
         m_pCurrentGroup->SetLine(m_linesTail);
       if ( !n )
       {
         m_pCurrentGroup->SetLine(m_linesTail);


@@ -734,7 +750,7 @@ void wxFileConfig::SetPath(const wxString& strPath)
 {
   wxArrayString aParts;
 
 {
   wxArrayString aParts;
 

-  if ( strPath.IsEmpty() ) {
+  if ( strPath.empty() ) {

     SetRootPath();
     return;
   }
     SetRootPath();
     return;
   }


@@ -890,21 +906,21 @@ bool wxFileConfig::DoWriteString(const wxString& key, const wxString& szValue)
     wxConfigPathChanger     path(this, key);
     wxString                strName = path.Name();
 
     wxConfigPathChanger     path(this, key);
     wxString                strName = path.Name();
 

-    wxLogTrace( _T("wxFileConfig"),
+    wxLogTrace( FILECONF_TRACE_MASK,

                 _T("  Writing String '%s' = '%s' to Group '%s'"),
                 strName.c_str(),
                 szValue.c_str(),
                 GetPath().c_str() );
 
                 _T("  Writing String '%s' = '%s' to Group '%s'"),
                 strName.c_str(),
                 szValue.c_str(),
                 GetPath().c_str() );
 

-    if ( strName.IsEmpty() )
+    if ( strName.empty() )

     {
             // setting the value of a group is an error
 
     {
             // setting the value of a group is an error
 

-        wxASSERT_MSG( wxIsEmpty(szValue), wxT("can't set value of a group!") );
+        wxASSERT_MSG( szValue.empty(), wxT("can't set value of a group!") );

 
             // ... except if it's empty in which case it's a way to force it's creation
 
 
             // ... except if it's empty in which case it's a way to force it's creation
 

-        wxLogTrace( _T("wxFileConfig"),
+        wxLogTrace( FILECONF_TRACE_MASK,

                     _T("  Creating group %s"),
                     m_pCurrentGroup->Name().c_str() );
 
                     _T("  Creating group %s"),
                     m_pCurrentGroup->Name().c_str() );
 


@@ -928,13 +944,13 @@ bool wxFileConfig::DoWriteString(const wxString& key, const wxString& szValue)
 
         if ( pEntry == 0 )
         {
 
         if ( pEntry == 0 )
         {

-            wxLogTrace( _T("wxFileConfig"),
+            wxLogTrace( FILECONF_TRACE_MASK,

                         _T("  Adding Entry %s"),
                         strName.c_str() );
             pEntry = m_pCurrentGroup->AddEntry(strName);
         }
 
                         _T("  Adding Entry %s"),
                         strName.c_str() );
             pEntry = m_pCurrentGroup->AddEntry(strName);
         }
 

-        wxLogTrace( _T("wxFileConfig"),
+        wxLogTrace( FILECONF_TRACE_MASK,

                     _T("  Setting value %s"),
                     szValue.c_str() );
         pEntry->SetValue(szValue);
                     _T("  Setting value %s"),
                     szValue.c_str() );
         pEntry->SetValue(szValue);


@@ -1003,7 +1019,9 @@ bool wxFileConfig::Save(wxOutputStream& os, wxMBConv& conv)
     {
         wxString line = p->Text();
         line += wxTextFile::GetEOL();
     {
         wxString line = p->Text();
         line += wxTextFile::GetEOL();

-        if ( !os.Write(line.mb_str(conv), line.length()) )
+
+        wxCharBuffer buf(line.mb_str(conv));
+        if ( !os.Write(buf, strlen(buf)) )

         {
             wxLogError(_("Error saving user configuration data."));
 
         {
             wxLogError(_("Error saving user configuration data."));
 


@@ -1025,6 +1043,9 @@ bool wxFileConfig::Save(wxOutputStream& os, wxMBConv& conv)
 bool wxFileConfig::RenameEntry(const wxString& oldName,
                                const wxString& newName)
 {
 bool wxFileConfig::RenameEntry(const wxString& oldName,
                                const wxString& newName)
 {

+    wxASSERT_MSG( !wxStrchr(oldName, wxCONFIG_PATH_SEPARATOR),
+                   _T("RenameEntry(): paths are not supported") );
+

     // check that the entry exists
     wxFileConfigEntry *oldEntry = m_pCurrentGroup->FindEntry(oldName);
     if ( !oldEntry )
     // check that the entry exists
     wxFileConfigEntry *oldEntry = m_pCurrentGroup->FindEntry(oldName);
     if ( !oldEntry )


@@ -1077,12 +1098,13 @@ bool wxFileConfig::DeleteEntry(const wxString& key, bool bGroupIfEmptyAlso)
   if ( !m_pCurrentGroup->DeleteEntry(path.Name()) )
     return false;
 
   if ( !m_pCurrentGroup->DeleteEntry(path.Name()) )
     return false;
 

+  SetDirty();
+

   if ( bGroupIfEmptyAlso && m_pCurrentGroup->IsEmpty() ) {
     if ( m_pCurrentGroup != m_pRootGroup ) {
       wxFileConfigGroup *pGroup = m_pCurrentGroup;
       SetPath(wxT(".."));  // changes m_pCurrentGroup!
   if ( bGroupIfEmptyAlso && m_pCurrentGroup->IsEmpty() ) {
     if ( m_pCurrentGroup != m_pRootGroup ) {
       wxFileConfigGroup *pGroup = m_pCurrentGroup;
       SetPath(wxT(".."));  // changes m_pCurrentGroup!

-      if ( m_pCurrentGroup->DeleteSubgroupByName(pGroup->Name()) )
-          SetDirty();
+      m_pCurrentGroup->DeleteSubgroupByName(pGroup->Name());

     }
     //else: never delete the root group
   }
     }
     //else: never delete the root group
   }


@@ -1106,13 +1128,19 @@ bool wxFileConfig::DeleteAll()
 {
   CleanUp();
 
 {
   CleanUp();
 

-  if ( wxFile::Exists(m_strLocalFile) && wxRemove(m_strLocalFile) == -1 )
+  if ( !m_strLocalFile.empty() )

   {
   {

-      wxLogSysError(_("can't delete user configuration file '%s'"), m_strLocalFile.c_str());
-      return false;
+      if ( wxFile::Exists(m_strLocalFile) && wxRemove(m_strLocalFile) == -1 )
+      {
+          wxLogSysError(_("can't delete user configuration file '%s'"),
+                        m_strLocalFile.c_str());
+          return false;
+      }
+
+      m_strLocalFile =
+      m_strGlobalFile = wxEmptyString;

   }
 
   }
 

-  m_strLocalFile = m_strGlobalFile = wxT("");

   Init();
 
   return true;
   Init();
 
   return true;


@@ -1126,13 +1154,13 @@ bool wxFileConfig::DeleteAll()
 
 wxFileConfigLineList *wxFileConfig::LineListAppend(const wxString& str)
 {
 
 wxFileConfigLineList *wxFileConfig::LineListAppend(const wxString& str)
 {

-    wxLogTrace( _T("wxFileConfig"),
+    wxLogTrace( FILECONF_TRACE_MASK,

                 _T("    ** Adding Line '%s'"),
                 str.c_str() );
                 _T("    ** Adding Line '%s'"),
                 str.c_str() );

-    wxLogTrace( _T("wxFileConfig"),
+    wxLogTrace( FILECONF_TRACE_MASK,

                 _T("        head: %s"),
                 ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) );
                 _T("        head: %s"),
                 ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) );

-    wxLogTrace( _T("wxFileConfig"),
+    wxLogTrace( FILECONF_TRACE_MASK,

                 _T("        tail: %s"),
                 ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) );
 
                 _T("        tail: %s"),
                 ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) );
 


@@ -1152,10 +1180,10 @@ wxFileConfigLineList *wxFileConfig::LineListAppend(const wxString& str)
 
     m_linesTail = pLine;
 
 
     m_linesTail = pLine;
 

-    wxLogTrace( _T("wxFileConfig"),
+    wxLogTrace( FILECONF_TRACE_MASK,

                 _T("        head: %s"),
                 ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) );
                 _T("        head: %s"),
                 ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) );

-    wxLogTrace( _T("wxFileConfig"),
+    wxLogTrace( FILECONF_TRACE_MASK,

                 _T("        tail: %s"),
                 ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) );
 
                 _T("        tail: %s"),
                 ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) );
 


@@ -1166,14 +1194,14 @@ wxFileConfigLineList *wxFileConfig::LineListAppend(const wxString& str)
 wxFileConfigLineList *wxFileConfig::LineListInsert(const wxString& str,
                                                    wxFileConfigLineList *pLine)
 {
 wxFileConfigLineList *wxFileConfig::LineListInsert(const wxString& str,
                                                    wxFileConfigLineList *pLine)
 {

-    wxLogTrace( _T("wxFileConfig"),
+    wxLogTrace( FILECONF_TRACE_MASK,

                 _T("    ** Inserting Line '%s' after '%s'"),
                 str.c_str(),
                 ((pLine) ? pLine->Text().c_str() : wxEmptyString) );
                 _T("    ** Inserting Line '%s' after '%s'"),
                 str.c_str(),
                 ((pLine) ? pLine->Text().c_str() : wxEmptyString) );

-    wxLogTrace( _T("wxFileConfig"),
+    wxLogTrace( FILECONF_TRACE_MASK,

                 _T("        head: %s"),
                 ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) );
                 _T("        head: %s"),
                 ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) );

-    wxLogTrace( _T("wxFileConfig"),
+    wxLogTrace( FILECONF_TRACE_MASK,

                 _T("        tail: %s"),
                 ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) );
 
                 _T("        tail: %s"),
                 ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) );
 


@@ -1198,10 +1226,10 @@ wxFileConfigLineList *wxFileConfig::LineListInsert(const wxString& str,
         pLine->SetNext(pNewLine);
     }
 
         pLine->SetNext(pNewLine);
     }
 

-    wxLogTrace( _T("wxFileConfig"),
+    wxLogTrace( FILECONF_TRACE_MASK,

                 _T("        head: %s"),
                 ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) );
                 _T("        head: %s"),
                 ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) );

-    wxLogTrace( _T("wxFileConfig"),
+    wxLogTrace( FILECONF_TRACE_MASK,

                 _T("        tail: %s"),
                 ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) );
 
                 _T("        tail: %s"),
                 ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) );
 


@@ -1210,13 +1238,13 @@ wxFileConfigLineList *wxFileConfig::LineListInsert(const wxString& str,
 
 void wxFileConfig::LineListRemove(wxFileConfigLineList *pLine)
 {
 
 void wxFileConfig::LineListRemove(wxFileConfigLineList *pLine)
 {

-    wxLogTrace( _T("wxFileConfig"),
+    wxLogTrace( FILECONF_TRACE_MASK,

                 _T("    ** Removing Line '%s'"),
                 pLine->Text().c_str() );
                 _T("    ** Removing Line '%s'"),
                 pLine->Text().c_str() );

-    wxLogTrace( _T("wxFileConfig"),
+    wxLogTrace( FILECONF_TRACE_MASK,

                 _T("        head: %s"),
                 ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) );
                 _T("        head: %s"),
                 ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) );

-    wxLogTrace( _T("wxFileConfig"),
+    wxLogTrace( FILECONF_TRACE_MASK,

                 _T("        tail: %s"),
                 ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) );
 
                 _T("        tail: %s"),
                 ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) );
 


@@ -1237,10 +1265,13 @@ void wxFileConfig::LineListRemove(wxFileConfigLineList *pLine)
     else
         pNext->SetPrev(pPrev);
 
     else
         pNext->SetPrev(pPrev);
 

-    wxLogTrace( _T("wxFileConfig"),
+    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) );
                 _T("        head: %s"),
                 ((m_linesHead) ? m_linesHead->Text().c_str() : wxEmptyString) );

-    wxLogTrace( _T("wxFileConfig"),
+    wxLogTrace( FILECONF_TRACE_MASK,

                 _T("        tail: %s"),
                 ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) );
 
                 _T("        tail: %s"),
                 ((m_linesTail) ? m_linesTail->Text().c_str() : wxEmptyString) );
 


@@ -1296,7 +1327,8 @@ wxFileConfigGroup::~wxFileConfigGroup()
 
 void wxFileConfigGroup::SetLine(wxFileConfigLineList *pLine)
 {
 
 void wxFileConfigGroup::SetLine(wxFileConfigLineList *pLine)
 {

-    wxASSERT( m_pLine == 0 ); // shouldn't be called twice
+    // shouldn't be called twice unless we are resetting the line
+    wxASSERT( m_pLine == 0 || pLine == 0 );

     m_pLine = pLine;
 }
 
     m_pLine = pLine;
 }
 


@@ -1336,13 +1368,13 @@ void wxFileConfigGroup::SetLine(wxFileConfigLineList *pLine)
 // have it or in the very beginning if we're the root group.
 wxFileConfigLineList *wxFileConfigGroup::GetGroupLine()
 {
 // have it or in the very beginning if we're the root group.
 wxFileConfigLineList *wxFileConfigGroup::GetGroupLine()
 {

-    wxLogTrace( _T("wxFileConfig"),
+    wxLogTrace( FILECONF_TRACE_MASK,

                 _T("  GetGroupLine() for Group '%s'"),
                 Name().c_str() );
 
     if ( !m_pLine )
     {
                 _T("  GetGroupLine() for Group '%s'"),
                 Name().c_str() );
 
     if ( !m_pLine )
     {

-        wxLogTrace( _T("wxFileConfig"),
+        wxLogTrace( FILECONF_TRACE_MASK,

                     _T("    Getting Line item pointer") );
 
         wxFileConfigGroup   *pParent = Parent();
                     _T("    Getting Line item pointer") );
 
         wxFileConfigGroup   *pParent = Parent();


@@ -1350,7 +1382,7 @@ wxFileConfigLineList *wxFileConfigGroup::GetGroupLine()
         // this group wasn't present in local config file, add it now
         if ( pParent )
         {
         // this group wasn't present in local config file, add it now
         if ( pParent )
         {

-            wxLogTrace( _T("wxFileConfig"),
+            wxLogTrace( FILECONF_TRACE_MASK,

                         _T("    checking parent '%s'"),
                         pParent->Name().c_str() );
 
                         _T("    checking parent '%s'"),
                         pParent->Name().c_str() );
 


@@ -1396,7 +1428,7 @@ wxFileConfigLineList *wxFileConfigGroup::GetLastGroupLine()
 // one immediately after the group line itself.
 wxFileConfigLineList *wxFileConfigGroup::GetLastEntryLine()
 {
 // one immediately after the group line itself.
 wxFileConfigLineList *wxFileConfigGroup::GetLastEntryLine()
 {

-    wxLogTrace( _T("wxFileConfig"),
+    wxLogTrace( FILECONF_TRACE_MASK,

                 _T("  GetLastEntryLine() for Group '%s'"),
                 Name().c_str() );
 
                 _T("  GetLastEntryLine() for Group '%s'"),
                 Name().c_str() );
 


@@ -1433,28 +1465,41 @@ void wxFileConfigGroup::SetLastEntry(wxFileConfigEntry *pEntry)
 // group name
 // ----------------------------------------------------------------------------
 
 // group name
 // ----------------------------------------------------------------------------
 

+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!") );
+
+    // +1: skip the leading '/'
+    line->SetText(wxString::Format(_T("[%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();
+    for ( size_t n = 0; n < nCount; n++ )
+    {
+        m_aSubgroups[n]->UpdateGroupAndSubgroupsLines();
+    }
+}
+

 void wxFileConfigGroup::Rename(const wxString& newName)
 {
     wxCHECK_RET( m_pParent, _T("the root group can't be renamed") );
 
     m_strName = newName;
 
 void wxFileConfigGroup::Rename(const wxString& newName)
 {
     wxCHECK_RET( m_pParent, _T("the root group can't be renamed") );
 
     m_strName = newName;
 

-    // +1: no leading '/'
-    wxString strFullName;
-    strFullName << wxT("[") << (GetFullName().c_str() + 1) << wxT("]");
-
-    wxFileConfigLineList *line = GetGroupLine();
-    wxCHECK_RET( line, _T("a non root group must have a corresponding line!") );
-
-    line->SetText(strFullName);
+    // update the group lines recursively
+    UpdateGroupAndSubgroupsLines();

 }
 
 wxString wxFileConfigGroup::GetFullName() const
 {
 }
 
 wxString wxFileConfigGroup::GetFullName() const
 {

-  if ( Parent() )
-    return Parent()->GetFullName() + wxCONFIG_PATH_SEPARATOR + Name();
-  else
-    return wxT("");
+    wxString fullname;
+    if ( Parent() )
+        fullname = Parent()->GetFullName() + wxCONFIG_PATH_SEPARATOR + Name();
+
+    return fullname;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -1572,121 +1617,91 @@ bool wxFileConfigGroup::DeleteSubgroup(wxFileConfigGroup *pGroup)
 {
     wxCHECK_MSG( pGroup, false, _T("deleting non existing group?") );
 
 {
     wxCHECK_MSG( pGroup, false, _T("deleting non existing group?") );
 

-    wxLogTrace( _T("wxFileConfig"),
+    wxLogTrace( FILECONF_TRACE_MASK,

                 _T("Deleting group '%s' from '%s'"),
                 pGroup->Name().c_str(),
                 Name().c_str() );
 
                 _T("Deleting group '%s' from '%s'"),
                 pGroup->Name().c_str(),
                 Name().c_str() );
 

-    wxLogTrace( _T("wxFileConfig"),
+    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) );
                 _T("  (m_pLine) = prev: %p, this %p, next %p"),
                 ((m_pLine) ? m_pLine->Prev() : 0),
                 m_pLine,
                 ((m_pLine) ? m_pLine->Next() : 0) );

-    wxLogTrace( _T("wxFileConfig"),
+    wxLogTrace( FILECONF_TRACE_MASK,

                 _T("  text: '%s'"),
                 ((m_pLine) ? m_pLine->Text().c_str() : wxEmptyString) );
 
                 _T("  text: '%s'"),
                 ((m_pLine) ? m_pLine->Text().c_str() : wxEmptyString) );
 

-    // delete all entries
+    // delete all entries...

     size_t nCount = pGroup->m_aEntries.Count();
 
     size_t nCount = pGroup->m_aEntries.Count();
 

-    wxLogTrace(_T("wxFileConfig"),
-               _T("Removing %lu Entries"),
-               (unsigned long)nCount );
+    wxLogTrace(FILECONF_TRACE_MASK,
+               _T("Removing %lu entries"), (unsigned long)nCount );

 
     for ( size_t nEntry = 0; nEntry < nCount; nEntry++ )
     {
 
     for ( size_t nEntry = 0; nEntry < nCount; nEntry++ )
     {

-        wxFileConfigLineList    *pLine = pGroup->m_aEntries[nEntry]->GetLine();
+        wxFileConfigLineList *pLine = pGroup->m_aEntries[nEntry]->GetLine();

 
 

-        if ( pLine != 0 )
+        if ( pLine )

         {
         {

-            wxLogTrace( _T("wxFileConfig"),
+            wxLogTrace( FILECONF_TRACE_MASK,

                         _T("    '%s'"),
                         pLine->Text().c_str() );
             m_pConfig->LineListRemove(pLine);
         }
     }
 
                         _T("    '%s'"),
                         pLine->Text().c_str() );
             m_pConfig->LineListRemove(pLine);
         }
     }
 

-        // and subgroups of this subgroup
-
+    // ...and subgroups of this subgroup

     nCount = pGroup->m_aSubgroups.Count();
 
     nCount = pGroup->m_aSubgroups.Count();
 

-    wxLogTrace( _T("wxFileConfig"),
-                _T("Removing %lu SubGroups"),
-                (unsigned long)nCount );
+    wxLogTrace( FILECONF_TRACE_MASK,
+                _T("Removing %lu subgroups"), (unsigned long)nCount );

 
     for ( size_t nGroup = 0; nGroup < nCount; nGroup++ )
     {
         pGroup->DeleteSubgroup(pGroup->m_aSubgroups[0]);
     }
 
 
     for ( size_t nGroup = 0; nGroup < nCount; nGroup++ )
     {
         pGroup->DeleteSubgroup(pGroup->m_aSubgroups[0]);
     }
 

-        // finally the group itself
-
-    wxFileConfigLineList    *pLine = pGroup->m_pLine;
-
-    if ( pLine != 0 )
+    // and then finally the group itself
+    wxFileConfigLineList *pLine = pGroup->m_pLine;
+    if ( pLine )

     {
     {

-        wxLogTrace( _T("wxFileConfig"),
-                    _T("  Removing line entry for Group '%s' : '%s'"),
+        wxLogTrace( FILECONF_TRACE_MASK,
+                    _T("  Removing line for group '%s' : '%s'"),

                     pGroup->Name().c_str(),
                     pLine->Text().c_str() );
                     pGroup->Name().c_str(),
                     pLine->Text().c_str() );

-        wxLogTrace( _T("wxFileConfig"),
-                    _T("  Removing from Group '%s' : '%s'"),
+        wxLogTrace( FILECONF_TRACE_MASK,
+                    _T("  Removing from group '%s' : '%s'"),

                     Name().c_str(),
                     ((m_pLine) ? m_pLine->Text().c_str() : wxEmptyString) );
 
                     Name().c_str(),
                     ((m_pLine) ? 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
-
+        // notice that we may do this test inside the previous "if"
+        // because the last entry's line is surely !NULL

         if ( pGroup == m_pLastGroup )
         {
         if ( pGroup == m_pLastGroup )
         {

-            wxLogTrace( _T("wxFileConfig"),
-                        _T("  ------- Removing last group -------") );
-
-                // our last entry is being deleted, so find the last one which stays.
-                // go back until we find a subgroup or reach the group's line, unless
-                // we are the root group, which we'll notice shortly.
-
-            wxFileConfigGroup       *pNewLast = 0;
-            size_t                   nSubgroups = m_aSubgroups.Count();
-            wxFileConfigLineList    *pl;
-
-            for ( pl = pLine->Prev(); pl != m_pLine; pl = pl->Prev() )
+            wxLogTrace( FILECONF_TRACE_MASK,
+                        _T("  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();
+
+            m_pLastGroup = NULL;
+            for ( wxFileConfigLineList *pl = pLine->Prev();
+                  pl && pl != m_pLine && !m_pLastGroup;
+                  pl = pl->Prev() )

             {
             {

-                    // is it our subgroup?
-
-                for ( size_t n = 0; (pNewLast == 0) && (n < nSubgroups); n++ )
+                // does this line belong to our subgroup?
+                for ( size_t n = 0; n < nSubgroups; n++ )

                 {
                 {

-                    // do _not_ call GetGroupLine! we don't want to add it to the local
-                    // file if it's not already there
-
-                    if ( m_aSubgroups[n]->m_pLine == m_pLine )
-                        pNewLast = m_aSubgroups[n];
+                    // do _not_ call GetGroupLine! we don't want to add it to
+                    // the local file if it's not already there
+                    if ( m_aSubgroups[n]->m_pLine == pl )
+                    {
+                        m_pLastGroup = m_aSubgroups[n];
+                        break;
+                    }

                 }
                 }

-
-                if ( pNewLast != 0 ) // found?
-                    break;
-            }
-
-            if ( pl == m_pLine || m_pParent == 0 )
-            {
-                wxLogTrace( _T("wxFileConfig"),
-                            _T("  ------- No previous group found -------") );
-
-                wxASSERT_MSG( !pNewLast || m_pLine == 0,
-                              _T("how comes it has the same line as we?") );
-
-                    // we've reached the group line without finding any subgroups,
-                    // or realised we removed the last group from the root.
-
-                m_pLastGroup = 0;
-            }
-            else
-            {
-                wxLogTrace( _T("wxFileConfig"),
-                            _T("  ------- Last Group set to '%s' -------"),
-                            pNewLast->Name().c_str() );
-
-                m_pLastGroup = pNewLast;

             }
         }
 
             }
         }
 


@@ -1694,7 +1709,7 @@ bool wxFileConfigGroup::DeleteSubgroup(wxFileConfigGroup *pGroup)
     }
     else
     {
     }
     else
     {

-        wxLogTrace( _T("wxFileConfig"),
+        wxLogTrace( FILECONF_TRACE_MASK,

                     _T("  No line entry for Group '%s'?"),
                     pGroup->Name().c_str() );
     }
                     _T("  No line entry for Group '%s'?"),
                     pGroup->Name().c_str() );
     }


@@ -1708,7 +1723,11 @@ bool wxFileConfigGroup::DeleteSubgroup(wxFileConfigGroup *pGroup)
 bool wxFileConfigGroup::DeleteEntry(const wxChar *szName)
 {
   wxFileConfigEntry *pEntry = FindEntry(szName);
 bool wxFileConfigGroup::DeleteEntry(const wxChar *szName)
 {
   wxFileConfigEntry *pEntry = FindEntry(szName);

-  wxCHECK( pEntry != NULL, false );  // deleting non existing item?
+  if ( !pEntry )
+  {
+      // entry doesn't exist, nothing to do
+      return false;
+  }

 
   wxFileConfigLineList *pLine = pEntry->GetLine();
   if ( pLine != NULL ) {
 
   wxFileConfigLineList *pLine = pEntry->GetLine();
   if ( pLine != NULL ) {


@@ -1764,7 +1783,7 @@ wxFileConfigEntry::wxFileConfigEntry(wxFileConfigGroup *pParent,
                                        int nLine)
                          : m_strName(strName)
 {
                                        int nLine)
                          : m_strName(strName)
 {

-  wxASSERT( !strName.IsEmpty() );
+  wxASSERT( !strName.empty() );

 
   m_pParent = pParent;
   m_nLine   = nLine;
 
   m_pParent = pParent;
   m_nLine   = nLine;


@@ -1833,7 +1852,10 @@ void wxFileConfigEntry::SetValue(const wxString& strValue, bool bUser)
         }
         else // this entry didn't exist in the local file
         {
         }
         else // this entry didn't exist in the local file
         {

-            // add a new line to the file
+            // add a new line to the file: note that line returned by
+            // GetLastEntryLine() may be NULL if we're in the root group and it
+            // doesn't have any entries yet, but this is ok as passing NULL
+            // line to LineListInsert() means to prepend new line to the list

             wxFileConfigLineList *line = Group()->GetLastEntryLine();
             m_pLine = Group()->Config()->LineListInsert(strLine, line);
 
             wxFileConfigLineList *line = Group()->GetLastEntryLine();
             m_pLine = Group()->Config()->LineListInsert(strLine, line);
 


@@ -1878,7 +1900,7 @@ static wxString FilterInValue(const wxString& str)
   wxString strResult;
   strResult.Alloc(str.Len());
 
   wxString strResult;
   strResult.Alloc(str.Len());
 

-  bool bQuoted = !str.IsEmpty() && str[0] == '"';
+  bool bQuoted = !str.empty() && str[0] == '"';

 
   for ( size_t n = bQuoted ? 1 : 0; n < str.Len(); n++ ) {
     if ( str[n] == wxT('\\') ) {
 
   for ( size_t n = bQuoted ? 1 : 0; n < str.Len(); n++ ) {
     if ( str[n] == wxT('\\') ) {


@@ -2032,5 +2054,3 @@ static wxString GetAppName(const wxString& appName)
 
 #endif // wxUSE_CONFIG
 
 
 #endif // wxUSE_CONFIG
 

-
-// vi:sts=4:sw=4:et