Added wxGUIAppTraits::GetOSVersion() implementation.

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

diff --git a/src/common/fileconf.cpp b/src/common/fileconf.cpp
index 46a5dc8e1d56b1880624ea5fcc9fb6cb1ebb0dbc..3e39151adec4ecc637ae0dbc100ced1e7e55fe89 100644 (file)
--- a/src/common/fileconf.cpp
+++ b/src/common/fileconf.cpp
@@ -7,7 +7,7 @@
 // RCS-ID:      $Id$
 // Copyright:   (c) 1997 Karsten Ballüder   &  Vadim Zeitlin
 //                       Ballueder@usa.net     <zeitlin@dptmaths.ens-cachan.fr>
 // RCS-ID:      $Id$
 // Copyright:   (c) 1997 Karsten Ballüder   &  Vadim Zeitlin
 //                       Ballueder@usa.net     <zeitlin@dptmaths.ens-cachan.fr>

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
 ///////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__


@@ -250,10 +250,11 @@ public:
   wxFileConfigLineList *GetLastGroupLine(); // after which the next group starts
 
   // called by entries/subgroups when they're created/deleted
   wxFileConfigLineList *GetLastGroupLine(); // after which the next group starts
 
   // called by entries/subgroups when they're created/deleted

-  void SetLastEntry(wxFileConfigEntry *pEntry) { m_pLastEntry = pEntry; }
-  void SetLastGroup(wxFileConfigGroup *pGroup) { m_pLastGroup = pGroup; }
+  void SetLastEntry(wxFileConfigEntry *pEntry);
+  void SetLastGroup(wxFileConfigGroup *pGroup)
+    { m_pLastGroup = pGroup; }

 
 

-    DECLARE_NO_COPY_CLASS(wxFileConfigGroup)
+  DECLARE_NO_COPY_CLASS(wxFileConfigGroup)

 };
 
 // ============================================================================
 };
 
 // ============================================================================


@@ -331,7 +332,7 @@ wxString wxFileConfig::GetGlobalFileName(const wxChar *szFile)
 
     if ( wxStrchr(szFile, wxT('.')) == NULL )
 #if defined( __WXMAC__ )
 
     if ( wxStrchr(szFile, wxT('.')) == NULL )
 #if defined( __WXMAC__ )

-        str << " Preferences";
+        str << wxT(" Preferences") ;

 #elif defined( __UNIX__ )
         str << wxT(".conf");
 #else   // Windows
 #elif defined( __UNIX__ )
         str << wxT(".conf");
 #else   // Windows


@@ -343,7 +344,7 @@ wxString wxFileConfig::GetGlobalFileName(const wxChar *szFile)
 
 wxString wxFileConfig::GetLocalFileName(const wxChar *szFile)
 {
 
 wxString wxFileConfig::GetLocalFileName(const wxChar *szFile)
 {

-#ifdef __VMS__ 
+#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?
     // On VMS I saw the problem that the home directory was appended
     // twice for the configuration file. Does that also happen for
     // other platforms?


@@ -364,7 +365,7 @@ wxString wxFileConfig::GetLocalFileName(const wxChar *szFile)
 #endif
 
 #ifdef __WXMAC__
 #endif
 
 #ifdef __WXMAC__

-    str << " Preferences";
+    str << wxT(" Preferences") ;

 #endif
 
     return str;
 #endif
 
     return str;


@@ -389,11 +390,7 @@ void wxFileConfig::Init()
     {
         wxTextFile fileGlobal(m_strGlobalFile);
 
     {
         wxTextFile fileGlobal(m_strGlobalFile);
 

-#if defined(__WXGTK20__) && wxUSE_UNICODE
-        if ( fileGlobal.Open( wxConvUTF8 ) ) 
-#else
-        if ( fileGlobal.Open() ) 
-#endif
+        if ( fileGlobal.Open(m_conv/*ignored in ANSI build*/) )

         {
             Parse(fileGlobal, FALSE /* global */);
             SetRootPath();
         {
             Parse(fileGlobal, FALSE /* global */);
             SetRootPath();


@@ -408,11 +405,7 @@ void wxFileConfig::Init()
     if ( !m_strLocalFile.IsEmpty() && wxFile::Exists(m_strLocalFile) )
     {
         wxTextFile fileLocal(m_strLocalFile);
     if ( !m_strLocalFile.IsEmpty() && wxFile::Exists(m_strLocalFile) )
     {
         wxTextFile fileLocal(m_strLocalFile);

-#if defined(__WXGTK20__) && wxUSE_UNICODE
-        if ( fileLocal.Open( wxConvUTF8 ) ) 
-#else
-        if ( fileLocal.Open() ) 
-#endif
+        if ( fileLocal.Open(m_conv/*ignored in ANSI build*/) )

         {
             Parse(fileLocal, TRUE /* local */);
             SetRootPath();
         {
             Parse(fileLocal, TRUE /* local */);
             SetRootPath();


@@ -427,11 +420,12 @@ 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,
 // 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)
+                           long style, wxMBConv& conv)

             : wxConfigBase(::GetAppName(appName), vendorName,
                            strLocal, strGlobal,
                            style),
             : wxConfigBase(::GetAppName(appName), vendorName,
                            strLocal, strGlobal,
                            style),

-              m_strLocalFile(strLocal), m_strGlobalFile(strGlobal)
+              m_strLocalFile(strLocal), m_strGlobalFile(strGlobal),
+              m_conv(conv)

 {
     // Make up names for files if empty
     if ( m_strLocalFile.IsEmpty() && (style & wxCONFIG_USE_LOCAL_FILE) )
 {
     // Make up names for files if empty
     if ( m_strLocalFile.IsEmpty() && (style & wxCONFIG_USE_LOCAL_FILE) )


@@ -468,13 +462,14 @@ wxFileConfig::wxFileConfig(const wxString& appName, const wxString& vendorName,
     }
 
     SetUmask(-1);
     }
 
     SetUmask(-1);

-    
+

     Init();
 }
 
 #if wxUSE_STREAMS
 
     Init();
 }
 
 #if wxUSE_STREAMS
 

-wxFileConfig::wxFileConfig(wxInputStream &inStream)
+wxFileConfig::wxFileConfig(wxInputStream &inStream, wxMBConv& conv)
+        : m_conv(conv)

 {
     // always local_file when this constructor is called (?)
     SetStyle(GetStyle() | wxCONFIG_USE_LOCAL_FILE);
 {
     // always local_file when this constructor is called (?)
     SetStyle(GetStyle() | wxCONFIG_USE_LOCAL_FILE);


@@ -564,15 +559,24 @@ void wxFileConfig::Parse(wxTextBuffer& buffer, bool bLocal)
   wxString strLine;
 
   size_t nLineCount = buffer.GetLineCount();
   wxString strLine;
 
   size_t nLineCount = buffer.GetLineCount();

-  
+

   for ( size_t n = 0; n < nLineCount; n++ )
   {
     strLine = buffer[n];
 
     // add the line to linked list
     if ( bLocal )
   for ( size_t n = 0; n < nLineCount; n++ )
   {
     strLine = buffer[n];
 
     // add the line to linked list
     if ( bLocal )

+    {

       LineListAppend(strLine);
 
       LineListAppend(strLine);
 

+      // let the root group have it start line as well
+      if ( !n )
+      {
+        m_pCurrentGroup->SetLine(m_linesTail);
+      }
+    }
+
+

     // skip leading spaces
     for ( pStart = strLine; wxIsspace(*pStart); pStart++ )
       ;
     // skip leading spaces
     for ( pStart = strLine; wxIsspace(*pStart); pStart++ )
       ;


@@ -668,6 +672,16 @@ void wxFileConfig::Parse(wxTextBuffer& buffer, bool bLocal)
           // new entry
           pEntry = m_pCurrentGroup->AddEntry(strKey, n);
 
           // new entry
           pEntry = m_pCurrentGroup->AddEntry(strKey, n);
 

+          // <JACS>
+          // Take the opportunity to set some pointers now
+          // that we know there are items in this group.
+          // Otherwise, items added to a newly read file
+          // can be put in the wrong place.
+          m_pCurrentGroup->SetLastEntry(pEntry);
+          if (m_pCurrentGroup->Parent())
+              m_pCurrentGroup->Parent()->SetLastGroup(m_pCurrentGroup);
+          // </JACS>
+

           if ( bLocal )
             pEntry->SetLine(m_linesTail);
         }
           if ( bLocal )
             pEntry->SetLine(m_linesTail);
         }


@@ -861,19 +875,21 @@ bool wxFileConfig::DoReadString(const wxString& key, wxString* pStr) const
 
 bool wxFileConfig::DoReadLong(const wxString& key, long *pl) const
 {
 
 bool wxFileConfig::DoReadLong(const wxString& key, long *pl) const
 {

-  wxString str;
-  if ( !Read(key, & str) )
-  {
-    return FALSE;
-  }
-  return str.ToLong(pl) ;
+    wxString str;
+    if ( !Read(key, &str) )
+        return FALSE;
+
+    // extra spaces shouldn't prevent us from reading numeric values
+    str.Trim();
+
+    return str.ToLong(pl);

 }
 
 bool wxFileConfig::DoWriteString(const wxString& key, const wxString& szValue)
 {
     wxConfigPathChanger     path(this, key);
     wxString                strName = path.Name();
 }
 
 bool wxFileConfig::DoWriteString(const wxString& key, const wxString& szValue)
 {
     wxConfigPathChanger     path(this, key);
     wxString                strName = path.Name();

-  
+

     wxLogTrace( _T("wxFileConfig"),
                 _T("  Writing String '%s' = '%s' to Group '%s'"),
                 strName.c_str(),
     wxLogTrace( _T("wxFileConfig"),
                 _T("  Writing String '%s' = '%s' to Group '%s'"),
                 strName.c_str(),


@@ -961,12 +977,7 @@ bool wxFileConfig::Flush(bool /* bCurrentOnly */)
   {
     wxString line = p->Text();
     line += wxTextFile::GetEOL();
   {
     wxString line = p->Text();
     line += wxTextFile::GetEOL();

-#if wxUSE_UNICODE
-    wxCharBuffer buf = wxConvLocal.cWX2MB( line );
-    if ( !file.Write( (const char*)buf, strlen( (const char*) buf ) ) )
-#else
-    if ( !file.Write( line.c_str(), line.Len() ) )
-#endif
+    if ( !file.Write(line, m_conv) )

     {
       wxLogError(_("can't write user configuration file."));
       return FALSE;
     {
       wxLogError(_("can't write user configuration file."));
       return FALSE;


@@ -1133,8 +1144,7 @@ wxFileConfigLineList *wxFileConfig::LineListAppend(const wxString& str)
     return m_linesTail;
 }
 
     return m_linesTail;
 }
 

-    // insert a new line after the given one or in the very beginning if !pLine
-
+// insert a new line after the given one or in the very beginning if !pLine

 wxFileConfigLineList *wxFileConfig::LineListInsert(const wxString& str,
                                                    wxFileConfigLineList *pLine)
 {
 wxFileConfigLineList *wxFileConfig::LineListInsert(const wxString& str,
                                                    wxFileConfigLineList *pLine)
 {


@@ -1313,16 +1323,15 @@ wxFileConfigLineList *wxFileConfigGroup::GetGroupLine()
                 _T("  GetGroupLine() for Group '%s'"),
                 Name().c_str() );
 
                 _T("  GetGroupLine() for Group '%s'"),
                 Name().c_str() );
 

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

     {
         wxLogTrace( _T("wxFileConfig"),
                     _T("    Getting Line item pointer") );
 
         wxFileConfigGroup   *pParent = Parent();
 
     {
         wxLogTrace( _T("wxFileConfig"),
                     _T("    Getting Line item pointer") );
 
         wxFileConfigGroup   *pParent = Parent();
 

-            // this group wasn't present in local config file, add it now
-
-        if ( pParent != 0 )
+        // this group wasn't present in local config file, add it now
+        if ( pParent )

         {
             wxLogTrace( _T("wxFileConfig"),
                         _T("    checking parent '%s'"),
         {
             wxLogTrace( _T("wxFileConfig"),
                         _T("    checking parent '%s'"),


@@ -1330,18 +1339,16 @@ wxFileConfigLineList *wxFileConfigGroup::GetGroupLine()
 
             wxString    strFullName;
 
 
             wxString    strFullName;
 

-            strFullName << wxT("[")         // +1: no '/'
+            // add 1 to the name because we don't want to start with '/'
+            strFullName << wxT("[")

                         << FilterOutEntryName(GetFullName().c_str() + 1)
                         << wxT("]");
             m_pLine = m_pConfig->LineListInsert(strFullName,
                                                 pParent->GetLastGroupLine());
             pParent->SetLastGroup(this);  // we're surely after all the others
         }
                         << FilterOutEntryName(GetFullName().c_str() + 1)
                         << wxT("]");
             m_pLine = m_pConfig->LineListInsert(strFullName,
                                                 pParent->GetLastGroupLine());
             pParent->SetLastGroup(this);  // we're surely after all the others
         }

-        else
-        {
-            // we return NULL, so that LineListInsert() will insert us in the
-            // very beginning
-        }
+        //else: this is the root group and so we return NULL because we don't
+        //      have any group line

     }
 
     return m_pLine;
     }
 
     return m_pLine;


@@ -1352,19 +1359,18 @@ wxFileConfigLineList *wxFileConfigGroup::GetGroupLine()
 // last line is the group line (m_pLine) itself.
 wxFileConfigLineList *wxFileConfigGroup::GetLastGroupLine()
 {
 // last line is the group line (m_pLine) itself.
 wxFileConfigLineList *wxFileConfigGroup::GetLastGroupLine()
 {

-        // if we have any subgroups, our last line is
-        // the last line of the last subgroup
-
-    if ( m_pLastGroup != 0 )
+    // if we have any subgroups, our last line is the last line of the last
+    // subgroup
+    if ( m_pLastGroup )

     {
         wxFileConfigLineList *pLine = m_pLastGroup->GetLastGroupLine();
 
     {
         wxFileConfigLineList *pLine = m_pLastGroup->GetLastGroupLine();
 

-        wxASSERT( pLine != 0 );  // last group must have !NULL associated line
+        wxASSERT_MSG( pLine, _T("last group must have !NULL associated line") );
+

         return pLine;
     }
 
         return pLine;
     }
 

-        // no subgroups, so the last line is the line of thelast entry (if any)
-
+    // no subgroups, so the last line is the line of thelast entry (if any)

     return GetLastEntryLine();
 }
 
     return GetLastEntryLine();
 }
 


@@ -1377,30 +1383,52 @@ wxFileConfigLineList *wxFileConfigGroup::GetLastEntryLine()
                 _T("  GetLastEntryLine() for Group '%s'"),
                 Name().c_str() );
 
                 _T("  GetLastEntryLine() for Group '%s'"),
                 Name().c_str() );
 

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

     {
         wxFileConfigLineList    *pLine = m_pLastEntry->GetLine();
 
     {
         wxFileConfigLineList    *pLine = m_pLastEntry->GetLine();
 

-        wxASSERT( pLine != 0 );  // last entry must have !NULL associated line
+        wxASSERT_MSG( pLine, _T("last entry must have !NULL associated line") );
+

         return pLine;
     }
 
         return pLine;
     }
 

-        // no entries: insert after the group header
-
+    // no entries: insert after the group header, if any

     return GetGroupLine();
 }
 
     return GetGroupLine();
 }
 

+void wxFileConfigGroup::SetLastEntry(wxFileConfigEntry *pEntry)
+{
+    m_pLastEntry = pEntry;
+
+    if ( !m_pLine )
+    {
+        // 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") );
+
+        // let the group know that it does have a line in the file now
+        m_pLine = pEntry->GetLine();
+    }
+}
+

 // ----------------------------------------------------------------------------
 // group name
 // ----------------------------------------------------------------------------
 
 void wxFileConfigGroup::Rename(const wxString& newName)
 {
 // ----------------------------------------------------------------------------
 // group name
 // ----------------------------------------------------------------------------
 
 void wxFileConfigGroup::Rename(const wxString& newName)
 {

+    wxCHECK_RET( m_pParent, _T("the root group can't be renamed") );
+

     m_strName = newName;
 
     m_strName = newName;
 

-    wxFileConfigLineList *line = GetGroupLine();
+    // +1: no leading '/'

     wxString strFullName;
     wxString strFullName;

-    strFullName << wxT("[") << (GetFullName().c_str() + 1) << wxT("]"); // +1: no '/'
+    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);
 
     SetDirty();
     line->SetText(strFullName);
 
     SetDirty();


@@ -1518,13 +1546,17 @@ wxFileConfigGroup *wxFileConfigGroup::AddSubgroup(const wxString& strName)
 
 bool wxFileConfigGroup::DeleteSubgroupByName(const wxChar *szName)
 {
 
 bool wxFileConfigGroup::DeleteSubgroupByName(const wxChar *szName)
 {

-  return DeleteSubgroup(FindSubgroup(szName));
+    wxFileConfigGroup * const pGroup = FindSubgroup(szName);
+
+    return pGroup ? DeleteSubgroup(pGroup) : FALSE;

 }
 
 // Delete the subgroup and remove all references to it from
 // other data structures.
 bool wxFileConfigGroup::DeleteSubgroup(wxFileConfigGroup *pGroup)
 {
 }
 
 // Delete the subgroup and remove all references to it from
 // other data structures.
 bool wxFileConfigGroup::DeleteSubgroup(wxFileConfigGroup *pGroup)
 {

+    wxCHECK_MSG( pGroup, FALSE, _T("deleting non existing group?") );
+

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


@@ -1539,11 +1571,8 @@ bool wxFileConfigGroup::DeleteSubgroup(wxFileConfigGroup *pGroup)
                 _T("  text: '%s'"),
                 ((m_pLine) ? m_pLine->Text().c_str() : wxEmptyString) );
 
                 _T("  text: '%s'"),
                 ((m_pLine) ? m_pLine->Text().c_str() : wxEmptyString) );
 

-    wxCHECK_MSG( pGroup != 0, FALSE, _T("deleting non existing group?") );
-
-        // delete all entries
-
-    size_t  nCount = pGroup->m_aEntries.Count();
+    // delete all entries
+    size_t nCount = pGroup->m_aEntries.Count();

 
     wxLogTrace(_T("wxFileConfig"),
                _T("Removing %lu Entries"),
 
     wxLogTrace(_T("wxFileConfig"),
                _T("Removing %lu Entries"),


@@ -1627,7 +1656,7 @@ bool wxFileConfigGroup::DeleteSubgroup(wxFileConfigGroup *pGroup)
             {
                 wxLogTrace( _T("wxFileConfig"),
                             _T("  ------- No previous group found -------") );
             {
                 wxLogTrace( _T("wxFileConfig"),
                             _T("  ------- No previous group found -------") );

-                
+

                 wxASSERT_MSG( !pNewLast || m_pLine == 0,
                               _T("how comes it has the same line as we?") );
 
                 wxASSERT_MSG( !pNewLast || m_pLine == 0,
                               _T("how comes it has the same line as we?") );
 


@@ -1800,17 +1829,19 @@ void wxFileConfigEntry::SetValue(const wxString& strValue, bool bUser)
         wxString    strLine;
         strLine << FilterOutEntryName(m_strName) << wxT('=') << strValFiltered;
 
         wxString    strLine;
         strLine << FilterOutEntryName(m_strName) << wxT('=') << strValFiltered;
 

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

         {
             // entry was read from the local config file, just modify the line
             m_pLine->SetText(strLine);
         }
         {
             // entry was read from the local config file, just modify the line
             m_pLine->SetText(strLine);
         }

-        else {
+        else // this entry didn't exist in the local file
+        {

             // add a new line to the file
             wxASSERT( m_nLine == wxNOT_FOUND );   // consistency check
 
             // add a new line to the file
             wxASSERT( m_nLine == wxNOT_FOUND );   // consistency check
 

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

             Group()->SetLastEntry(this);
         }
 
             Group()->SetLastEntry(this);
         }