icon - bitmap conversions corrections (size is not always the 'standard' 32 pixels)

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

diff --git a/src/common/filefn.cpp b/src/common/filefn.cpp
index c33c44c174052fb5e606aaf6fc581b52ad2643a1..ab1e71d3457eb4340750692563ef5ec4c6e922e4 100644 (file)
--- a/src/common/filefn.cpp
+++ b/src/common/filefn.cpp
@@ -75,6 +75,10 @@
     #endif // __GNUWIN32__
 #endif // __WINDOWS__
 
+#if defined __VMS__
+    #include <fab.h>
+#endif
+
 // TODO: Borland probably has _wgetcwd as well?
 #ifdef _MSC_VER
     #define HAVE_WGETCWD
@@ -213,7 +217,7 @@ void wxPathList::AddEnvList (const wxString& envVariable)
 void wxPathList::EnsureFileAccessible (const wxString& path)
 {
     wxString path_only(wxPathOnly(path));
-    if ( !path_only.IsEmpty() )
+    if ( !path_only.empty() )
     {
         if ( !Member(path_only) )
             Add(path_only);
@@ -309,7 +313,7 @@ wxFileExists (const wxString& filename)
 bool
 wxIsAbsolutePath (const wxString& filename)
 {
-    if (filename != wxT(""))
+    if (!filename.empty())
     {
 #if defined(__WXMAC__) && !defined(__DARWIN__)
         // Classic or Carbon CodeWarrior like
@@ -361,17 +365,16 @@ void wxStripExtension(wxChar *buffer)
 
 void wxStripExtension(wxString& buffer)
 {
-  size_t len = buffer.Length();
-  size_t i = len-1;
-  while (i > 0)
-  {
-    if (buffer.GetChar(i) == wxT('.'))
+    //RN:  Be careful about the handling the case where
+    //buffer.Length() == 0
+    for(size_t i = buffer.Length() - 1; i != wxString::npos; --i)
     {
-      buffer = buffer.Left(i);
-      break;
+        if (buffer.GetChar(i) == wxT('.'))
+        {
+          buffer = buffer.Left(i);
+          break;
+        }
     }
-    i --;
-  }
 }
 
 // Destructive removal of /./ and /../ stuff
@@ -433,7 +436,7 @@ wxChar *wxRealPath (wxChar *path)
 // Must be destroyed
 wxChar *wxCopyAbsolutePath(const wxString& filename)
 {
-  if (filename == wxT(""))
+  if (filename.empty())
     return (wxChar *) NULL;
 
   if (! wxIsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
@@ -589,7 +592,7 @@ wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
         if (nm[1] == SEP || nm[1] == 0)
         {        /* ~/filename */
         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
-            if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
+            if ((s = WXSTRINGCAST wxGetUserHome(wxEmptyString)) != NULL) {
                 if (*++nm)
                     nm++;
             }
@@ -648,7 +651,7 @@ wxContractPath (const wxString& filename, const wxString& envname, const wxStrin
 {
   static wxChar dest[_MAXPATHLEN];
 
-  if (filename == wxT(""))
+  if (filename.empty())
     return (wxChar *) NULL;
 
   wxStrcpy (dest, WXSTRINGCAST filename);
@@ -684,7 +687,7 @@ wxContractPath (const wxString& filename, const wxString& envname, const wxStrin
   if (wxStrncmp(dest, val, len) == 0)
   {
     wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
-    if (user != wxT(""))
+    if (!user.empty())
            wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
     wxStrcat(wxFileFunctionsBuffer, dest + len);
     wxStrcpy (dest, wxFileFunctionsBuffer);
@@ -776,7 +779,7 @@ wxPathOnly (wxChar *path)
 // Return just the directory, or NULL if no directory
 wxString wxPathOnly (const wxString& path)
 {
-    if (path != wxT(""))
+    if (!path.empty())
     {
         wxChar buf[_MAXPATHLEN];
 
@@ -829,7 +832,7 @@ wxString wxPathOnly (const wxString& path)
         }
 #endif
     }
-    return wxString(wxT(""));
+    return wxEmptyString;
 }
 
 // Utility for converting delimiters in DOS filenames to UNIX style
@@ -1138,11 +1141,11 @@ bool wxMkdir(const wxString& dir, int perm)
     #error "Unsupported DOS compiler!"
   #endif
 #else  // !MSW, !DOS and !OS/2 VAC++
-    (void)perm;
+    wxUnusedVar(perm);
 #ifdef __WXWINCE__
     if ( !CreateDirectory(dirname, NULL) )
 #else
-    if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
+    if ( wxMkDir(dir.fn_str()) != 0 )
 #endif
 #endif // !MSW/MSW
     {
@@ -1245,7 +1248,7 @@ static wxString gs_dirPath;
 wxString wxFindFirstFile(const wxChar *spec, int flags)
 {
     wxSplitPath(spec, &gs_dirPath, NULL, NULL);
-    if ( gs_dirPath.IsEmpty() )
+    if ( gs_dirPath.empty() )
         gs_dirPath = wxT(".");
     if ( !wxEndsWithPathSeparator(gs_dirPath ) )
         gs_dirPath << wxFILE_SEP_PATH;
@@ -1270,7 +1273,7 @@ wxString wxFindFirstFile(const wxChar *spec, int flags)
 
     wxString result;
     gs_dir->GetFirst(&result, wxFileNameFromPath(wxString(spec)), dirFlags);
-    if ( result.IsEmpty() )
+    if ( result.empty() )
     {
         wxDELETE(gs_dir);
         return result;
@@ -1286,7 +1289,7 @@ wxString wxFindNextFile()
     wxString result;
     gs_dir->GetNext(&result);
 
-    if ( result.IsEmpty() )
+    if ( result.empty() )
     {
         wxDELETE(gs_dir);
         return result;
@@ -1853,6 +1856,47 @@ bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
         }
 }
 
+// Return the type of an open file
+//
+wxFileKind wxGetFileKind(int fd)
+{
+    if (isatty(fd))
+        return wxFILE_KIND_TERMINAL;
+
+#if defined __WXMSW__
+    switch (::GetFileType(wxGetOSFHandle(fd)) & ~FILE_TYPE_REMOTE)
+    {
+        case FILE_TYPE_DISK:
+            return wxFILE_KIND_DISK;
+        case FILE_TYPE_PIPE:
+            return wxFILE_KIND_PIPE;
+    }
+
+    return wxFILE_KIND_UNKNOWN;
+
+#elif defined __UNIX__
+    struct stat st;
+    fstat(fd, &st);
+
+    if (S_ISFIFO(st.st_mode))
+        return wxFILE_KIND_PIPE;
+    if (!S_ISREG(st.st_mode))
+        return wxFILE_KIND_UNKNOWN;
+
+    #if defined __VMS__
+        if (st.st_fab_rfm != FAB$C_STMLF)
+            return wxFILE_KIND_UNKNOWN;
+    #endif
+
+    return wxFILE_KIND_DISK;
+
+#else
+    if (lseek(fd, 0, SEEK_CUR) != -1)
+        return wxFILE_KIND_DISK;
+    else
+        return wxFILE_KIND_UNKNOWN;
+#endif
+}
 
 #ifdef __VISUALC__
     #pragma warning(default:4706)   // assignment within conditional expression