Fix for ambiguities which happen in STL=1 mode under DigitalMars C++.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@33035 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

demos/poem/wxpoem.cpp

@@ -486,7 +486,7 @@ void MainWindow::Search(bool ask)
     if (ask || m_searchString.empty())
     {
         wxString s = wxGetTextFromUser( _T("Enter search string"), _T("Search"), m_searchString);
-        if (s != wxEmptyString)
+        if (!s.empty())
         {
             s.MakeLower();
             m_searchString = s;

src/common/filefn.cpp

@@ -673,7 +673,7 @@ wxContractPath (const wxString& filename, const wxString& envname, const wxStrin
   const wxChar *val;
 #ifndef __WXWINCE__
   wxChar *tcp;
-  if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
+  if (!envname.empty() && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
      (tcp = wxStrstr (dest, val)) != NULL)
     {
         wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
@@ -1734,7 +1734,7 @@ int WXDLLEXPORT wxParseCommonDialogsFilter(const wxString& filterStr, wxArrayStr
     // autocompletion
     for( size_t j = 0 ; j < descriptions.GetCount() ; j++ )
     {
-        if ( descriptions[j] == wxEmptyString && filters[j] != wxEmptyString )
+        if ( descriptions[j].empty() && !filters[j].empty() )
         {
             descriptions[j].Printf(_("Files (%s)"), filters[j].c_str());
         }

src/common/filename.cpp

@@ -1056,7 +1056,7 @@ bool wxFileName::GetShortcutTarget(const wxString& shortcutPath, wxString& targe
     bool success = false;
 
     // Assume it's not a shortcut if it doesn't end with lnk
-    if (ext.Lower() != wxT("lnk"))
+    if (ext.CmpNoCase(wxT("lnk"))!=0)
         return false;
 
     // create a ShellLink object
@@ -1453,7 +1453,7 @@ wxString wxFileName::GetPath( int flags, wxPathFormat format ) const
                 }
 
                 // convert back from ".." to nothing
-                if ( m_dirs[i] != wxT("..") )
+                if ( !m_dirs[i].IsSameAs(wxT("..")) )
                      fullpath += m_dirs[i];
                 break;
 
@@ -1470,7 +1470,7 @@ wxString wxFileName::GetPath( int flags, wxPathFormat format ) const
                 // TODO: What to do with ".." under VMS
 
                 // convert back from ".." to nothing
-                if ( m_dirs[i] != wxT("..") )
+                if ( !m_dirs[i].IsSameAs(wxT("..")) )
                     fullpath += m_dirs[i];
                 break;
         }

src/common/fs_inet.cpp

@@ -67,11 +67,11 @@ protected:
 static wxString StripProtocolAnchor(const wxString& location)
 {
     wxString myloc(location.BeforeLast(wxT('#')));
-    if (myloc.IsEmpty()) myloc = location.AfterFirst(wxT(':'));
+    if (myloc.empty()) myloc = location.AfterFirst(wxT(':'));
     else myloc = myloc.AfterFirst(wxT(':'));
 
     // fix malformed url:
-    if (myloc.Left(2) != wxT("//"))
+    if (!myloc.Left(2).IsSameAs(wxT("//")))
     {
         if (myloc.GetChar(0) != wxT('/')) myloc = wxT("//") + myloc;
         else myloc = wxT("/") + myloc;

src/common/fs_zip.cpp

@@ -83,7 +83,7 @@ wxFSFile* wxZipFSHandler::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString& l
     wxString left = GetLeftLocation(location);
     wxInputStream *s;
 
-    if (GetProtocol(left) != wxT("file"))
+    if (!GetProtocol(left).IsSameAs(wxT("file")))
     {
         wxLogError(_("ZIP handler currently supports only local files!"));
         return NULL;
@@ -133,7 +133,7 @@ wxString wxZipFSHandler::FindFirst(const wxString& spec, int flags)
         m_Archive = NULL;
     }
 
-    if (GetProtocol(left) != wxT("file"))
+    if (!GetProtocol(left).IsSameAs(wxT("file")))
     {
         wxLogError(_("ZIP handler currently supports only local files!"));
         return wxEmptyString;
@@ -203,14 +203,14 @@ wxString wxZipFSHandler::DoFind()
         if (m_AllowDirs)
         {
             dir = namestr.BeforeLast(wxT('/'));
-            while (!dir.IsEmpty())
+            while (!dir.empty())
             {
                 if( m_DirsFound->find(dir) == m_DirsFound->end() )
                 {
                     (*m_DirsFound)[dir] = 1;
                     filename = dir.AfterLast(wxT('/'));
                     dir = dir.BeforeLast(wxT('/'));
-                    if (!filename.IsEmpty() && m_BaseDir == dir &&
+                    if (!filename.empty() && m_BaseDir == dir &&
                                 wxMatchWild(m_Pattern, filename, false))
                         match = m_ZipFile + wxT("#zip:") + dir + wxT("/") + filename;
                 }
@@ -221,7 +221,7 @@ wxString wxZipFSHandler::DoFind()
 
         filename = namestr.AfterLast(wxT('/'));
         dir = namestr.BeforeLast(wxT('/'));
-        if (m_AllowFiles && !filename.IsEmpty() && m_BaseDir == dir &&
+        if (m_AllowFiles && !filename.empty() && m_BaseDir == dir &&
                             wxMatchWild(m_Pattern, filename, false))
             match = m_ZipFile + wxT("#zip:") + namestr;
     }

src/common/variant.cpp

@@ -1994,7 +1994,7 @@ void wxVariant::ClearList()
     }
     else
     {
-        if (GetType() != wxT("list"))
+        if (!GetType().IsSameAs(wxT("list")))
         {
             delete m_data;
             m_data = NULL;

src/msw/dcprint.cpp

@@ -275,7 +275,7 @@ static bool wxGetDefaultDeviceName(wxString& deviceName, wxString& portName)
         GlobalFree(pd.hDevMode);
         pd.hDevMode=NULL;
     }
-    return ( deviceName != wxEmptyString );
+    return ( !deviceName.empty() );
 }
 
 // Gets an HDC for the specified printer configuration

src/msw/tabctrl.cpp

@@ -297,7 +297,7 @@ bool wxTabCtrl::InsertItem(int item, const wxString& text, int imageId, void* da
     TC_ITEM tcItem;
     tcItem.mask = TCIF_PARAM;
     tcItem.lParam = (long) data;
-    if (text != wxEmptyString)
+    if (!text.empty())
     {
         tcItem.mask |= TCIF_TEXT;
         wxStrcpy(buf, (const wxChar*) text);

src/msw/tbar95.cpp

@@ -1088,7 +1088,7 @@ wxToolBarToolBase *GetItemSkippingDummySpacers(const wxToolBarToolsList& tools,
 {
     wxToolBarToolsList::compatibility_iterator current = tools.GetFirst();
 
-    for ( ; current != 0; current = current->GetNext() )
+    for ( ; current ; current = current->GetNext() )
     {
         if ( index == 0 )
             return current->GetData();

tests/archive/archivetest.cpp

@@ -320,7 +320,7 @@ private:
 TempDir::TempDir()
 {
     wxString tmp = wxFileName::CreateTempFileName(_T("arctest-"));
-    if (tmp != wxEmptyString) {
+    if (!tmp.empty()) {
         wxRemoveFile(tmp);
         m_original = wxGetCwd();
         CPPUNIT_ASSERT(wxMkdir(tmp, 0700));
@@ -331,7 +331,7 @@ TempDir::TempDir()
 
 TempDir::~TempDir()
 {
-    if (m_tmp != wxEmptyString) {
+    if (!m_tmp.empty()) {
         wxSetWorkingDirectory(m_original);
         RemoveDir(m_tmp);
     }

utils/tex2rtf/src/tex2any.cpp

@@ -813,7 +813,7 @@ bool read_a_line(wxChar *buf)
   if (checkSyntax)
   {
       wxString bufStr = buf;
-      for (int index=0; syntaxTokens[index] != wxEmptyString; index++)
+      for (int index=0; !syntaxTokens[index].empty(); index++)
       {
           size_t pos = bufStr.find(syntaxTokens[index]);
           if (pos != wxString::npos && pos != 0)

utils/tex2rtf/src/tex2rtf.cpp

@@ -398,7 +398,7 @@ bool MyApp::OnInit()
      */
 
     wxString path = TexPathList.FindValidPath(MacroFile);
-    if (path != _T(""))
+    if (!path.empty())
       ReadCustomMacros((wxChar *)path.c_str());
 
 #if wxUSE_STATUSBAR
@@ -434,7 +434,7 @@ bool MyApp::OnInit()
      */
 
     wxString path = TexPathList.FindValidPath(MacroFile);
-    if (path != _T(""))
+    if (!path.empty())
       ReadCustomMacros((wxChar*)path.c_str());
 
     Go();
@@ -743,7 +743,7 @@ void MyFrame::OnLoadMacros(wxCommandEvent& WXUNUSED(event))
 {
       textWindow->Clear();
       wxString s = wxFileSelector(_T("Choose custom macro file"), wxPathOnly(MacroFile), wxFileNameFromPath(MacroFile), _T("ini"), _T("*.ini"));
-      if (s != _T("") && wxFileExists(s))
+      if (!s.empty() && wxFileExists(s))
       {
         MacroFile = copystring(s);
         ReadCustomMacros((wxChar *)s.c_str());
@@ -862,7 +862,7 @@ void ChooseInputFile(bool force)
   if (force || !InputFile)
   {
     wxString s = wxFileSelector(_T("Choose LaTeX input file"), wxPathOnly(InputFile), wxFileNameFromPath(InputFile), _T("tex"), _T("*.tex"));
-    if (s != _T(""))
+    if (!s.empty())
     {
       // Different file, so clear index entries.
       ClearKeyWordTable();
@@ -916,7 +916,7 @@ void ChooseOutputFile(bool force)
   {
     wxString s = wxFileSelector(_T("Choose output file"), path, wxFileNameFromPath(OutputFile),
                    extensionBuf, wildBuf);
-    if (s != _T(""))
+    if (!s.empty())
       OutputFile = copystring(s);
   }
 }
@@ -971,7 +971,7 @@ bool Go(void)
   if (!bulletFile)
   {
     wxString s = TexPathList.FindValidPath(_T("bullet.bmp"));
-    if (s != _T(""))
+    if (!s.empty())
     {
       wxString str = wxFileNameFromPath(s);
       bulletFile = copystring(str);