update from Martin Srebotnjak

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

diff --git a/src/common/filefn.cpp b/src/common/filefn.cpp
index 28473ef67a21344da89c8996c8b725962f74ab33..ab1e71d3457eb4340750692563ef5ec4c6e922e4 100644 (file)
--- a/src/common/filefn.cpp
+++ b/src/common/filefn.cpp
@@ -31,7 +31,7 @@
 
 #include "wx/utils.h"
 #include "wx/intl.h"
 
 #include "wx/utils.h"
 #include "wx/intl.h"

-#include "wx/file.h"
+#include "wx/file.h" // This does include filefn.h

 #include "wx/filename.h"
 #include "wx/dir.h"
 
 #include "wx/filename.h"
 #include "wx/dir.h"
 


@@ -54,76 +54,6 @@
     #include  "wx/mac/private.h"  // includes mac headers
 #endif
 
     #include  "wx/mac/private.h"  // includes mac headers
 #endif
 

-#ifdef __WXWINCE__
-#include "wx/msw/wince/time.h"
-#include "wx/msw/private.h"
-#else
-#include <time.h>
-#endif
-
-#ifdef __WXWINCE__
-// Nothing
-#elif !defined(__MWERKS__)
-    #include <sys/types.h>
-    #include <sys/stat.h>
-#else
-#ifdef __MACH__
-#include <sys/types.h>
-#include <utime.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#else
-    #include <stat.h>
-    #include <unistd.h>
-    #include <unix.h>
-    #include <fcntl.h>
-#endif
-#endif
-
-#ifdef __OS2__
-// need to check for __OS2__ first since currently both
-// __OS2__ and __UNIX__ are defined.
-    #include <process.h>
-    #include "wx/os2/private.h"
-#ifdef __EMX__
-    #include <unistd.h>
-#endif
-#elif defined(__UNIX__)
-    #include <unistd.h>
-    #include <dirent.h>
-    #include <fcntl.h>
-#endif
-
-#if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
-#if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__) && !defined(__WXWINCE__)
-    #include <direct.h>
-    #include <dos.h>
-    #include <io.h>
-#endif // __WINDOWS__
-#endif // native Win compiler
-
-#if defined(__DOS__)
-    #ifdef __WATCOMC__
-        #include <direct.h>
-        #include <dos.h>
-        #include <io.h>
-    #endif
-    #ifdef __DJGPP__
-        #include <unistd.h>
-    #endif
-#endif
-
-#ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
-                    // this (3.1 I believe) and how to test for it.
-                    // If this works for Borland 4.0 as well, then no worries.
-    #include <dir.h>
-#endif
-
-#ifdef __SALFORDC__
-    #include <dir.h>
-    #include <unix.h>
-#endif
-

 #include "wx/log.h"
 
 // No, Cygwin doesn't appear to have fnmatch.h after all.
 #include "wx/log.h"
 
 // No, Cygwin doesn't appear to have fnmatch.h after all.


@@ -135,11 +65,6 @@
     #include "wx/msw/wrapwin.h"
     #include "wx/msw/mslu.h"
 
     #include "wx/msw/wrapwin.h"
     #include "wx/msw/mslu.h"
 

-    // for _getcwd
-    #ifdef __MINGW32__
-        #include <io.h>
-    #endif
-

     // sys/cygwin.h is needed for cygwin_conv_to_full_win32_path()
     //
     // note that it must be included after <windows.h>
     // sys/cygwin.h is needed for cygwin_conv_to_full_win32_path()
     //
     // note that it must be included after <windows.h>


@@ -150,6 +75,10 @@
     #endif // __GNUWIN32__
 #endif // __WINDOWS__
 
     #endif // __GNUWIN32__
 #endif // __WINDOWS__
 

+#if defined __VMS__
+    #include <fab.h>
+#endif
+

 // TODO: Borland probably has _wgetcwd as well?
 #ifdef _MSC_VER
     #define HAVE_WGETCWD
 // TODO: Borland probably has _wgetcwd as well?
 #ifdef _MSC_VER
     #define HAVE_WGETCWD


@@ -179,7 +108,7 @@ static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
 // VisualAge C++ V4.0 cannot have any external linkage const decs
 // in headers included by more than one primary source
 //
 // VisualAge C++ V4.0 cannot have any external linkage const decs
 // in headers included by more than one primary source
 //

-const off_t wxInvalidOffset = (off_t)-1;
+const int wxInvalidOffset = -1;

 #endif
 
 // ----------------------------------------------------------------------------
 #endif
 
 // ----------------------------------------------------------------------------


@@ -288,7 +217,7 @@ void wxPathList::AddEnvList (const wxString& envVariable)
 void wxPathList::EnsureFileAccessible (const wxString& path)
 {
     wxString path_only(wxPathOnly(path));
 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);
     {
         if ( !Member(path_only) )
             Add(path_only);


@@ -373,14 +302,18 @@ wxFileExists (const wxString& filename)
     return (ret != (DWORD)-1) && !(ret & FILE_ATTRIBUTE_DIRECTORY);
 #else // !__WIN32__
     wxStructStat st;
     return (ret != (DWORD)-1) && !(ret & FILE_ATTRIBUTE_DIRECTORY);
 #else // !__WIN32__
     wxStructStat st;

-    return wxStat(filename, &st) == 0 && (st.st_mode & S_IFREG);
+#ifndef wxNEED_WX_UNISTD_H
+    return wxStat( filename.fn_str() , &st) == 0 && (st.st_mode & S_IFREG);
+#else
+    return wxStat( filename , &st) == 0 && (st.st_mode & S_IFREG);
+#endif

 #endif // __WIN32__/!__WIN32__
 }
 
 bool
 wxIsAbsolutePath (const wxString& filename)
 {
 #endif // __WIN32__/!__WIN32__
 }
 
 bool
 wxIsAbsolutePath (const wxString& filename)
 {

-    if (filename != wxT(""))
+    if (!filename.empty())

     {
 #if defined(__WXMAC__) && !defined(__DARWIN__)
         // Classic or Carbon CodeWarrior like
     {
 #if defined(__WXMAC__) && !defined(__DARWIN__)
         // Classic or Carbon CodeWarrior like


@@ -432,17 +365,16 @@ void wxStripExtension(wxChar *buffer)
 
 void wxStripExtension(wxString& 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
 }
 
 // Destructive removal of /./ and /../ stuff


@@ -504,7 +436,7 @@ wxChar *wxRealPath (wxChar *path)
 // Must be destroyed
 wxChar *wxCopyAbsolutePath(const wxString& filename)
 {
 // Must be destroyed
 wxChar *wxCopyAbsolutePath(const wxString& filename)
 {

-  if (filename == wxT(""))
+  if (filename.empty())

     return (wxChar *) NULL;
 
   if (! wxIsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
     return (wxChar *) NULL;
 
   if (! wxIsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {


@@ -660,7 +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 (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++;
             }
                 if (*++nm)
                     nm++;
             }


@@ -719,7 +651,7 @@ wxContractPath (const wxString& filename, const wxString& envname, const wxStrin
 {
   static wxChar dest[_MAXPATHLEN];
 
 {
   static wxChar dest[_MAXPATHLEN];
 

-  if (filename == wxT(""))
+  if (filename.empty())

     return (wxChar *) NULL;
 
   wxStrcpy (dest, WXSTRINGCAST filename);
     return (wxChar *) NULL;
 
   wxStrcpy (dest, WXSTRINGCAST filename);


@@ -755,7 +687,7 @@ wxContractPath (const wxString& filename, const wxString& envname, const wxStrin
   if (wxStrncmp(dest, val, len) == 0)
   {
     wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
   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);
            wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
     wxStrcat(wxFileFunctionsBuffer, dest + len);
     wxStrcpy (dest, wxFileFunctionsBuffer);


@@ -847,7 +779,7 @@ wxPathOnly (wxChar *path)
 // Return just the directory, or NULL if no directory
 wxString wxPathOnly (const wxString& path)
 {
 // Return just the directory, or NULL if no directory
 wxString wxPathOnly (const wxString& path)
 {

-    if (path != wxT(""))
+    if (!path.empty())

     {
         wxChar buf[_MAXPATHLEN];
 
     {
         wxChar buf[_MAXPATHLEN];
 


@@ -900,7 +832,7 @@ wxString wxPathOnly (const wxString& path)
         }
 #endif
     }
         }
 #endif
     }

-    return wxString(wxT(""));
+    return wxEmptyString;

 }
 
 // Utility for converting delimiters in DOS filenames to UNIX style
 }
 
 // Utility for converting delimiters in DOS filenames to UNIX style


@@ -986,7 +918,7 @@ wxDos2UnixFilename (wxChar *s)
           *s = _T('/');
 #ifdef __WXMSW__
         else
           *s = _T('/');
 #ifdef __WXMSW__
         else

-          *s = wxTolower (*s);        // Case INDEPENDENT
+          *s = (wxChar)wxTolower (*s);        // Case INDEPENDENT

 #endif
         s++;
       }
 #endif
         s++;
       }


@@ -1096,11 +1028,9 @@ wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
         return false;
     }
 
         return false;
     }
 

-#ifdef __UNIX__

     // reset the umask as we want to create the file with exactly the same
     // permissions as the original one
     // reset the umask as we want to create the file with exactly the same
     // permissions as the original one

-    mode_t oldUmask = umask( 0 );
-#endif // __UNIX__
+    wxCHANGE_UMASK(0);

 
     // create file2 with the same permissions than file1 and open it for
     // writing
 
     // create file2 with the same permissions than file1 and open it for
     // writing


@@ -1109,11 +1039,6 @@ wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
     if ( !fileOut.Create(file2, overwrite, fbuf.st_mode & 0777) )
         return false;
 
     if ( !fileOut.Create(file2, overwrite, fbuf.st_mode & 0777) )
         return false;
 

-#ifdef __UNIX__
-    /// restore the old umask
-    umask(oldUmask);
-#endif // __UNIX__
-

     // copy contents of file1 to file2
     char buf[4096];
     size_t count;
     // copy contents of file1 to file2
     char buf[4096];
     size_t count;


@@ -1216,11 +1141,11 @@ bool wxMkdir(const wxString& dir, int perm)
     #error "Unsupported DOS compiler!"
   #endif
 #else  // !MSW, !DOS and !OS/2 VAC++
     #error "Unsupported DOS compiler!"
   #endif
 #else  // !MSW, !DOS and !OS/2 VAC++

-    (void)perm;
+    wxUnusedVar(perm);

 #ifdef __WXWINCE__
     if ( !CreateDirectory(dirname, NULL) )
 #else
 #ifdef __WXWINCE__
     if ( !CreateDirectory(dirname, NULL) )
 #else

-    if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
+    if ( wxMkDir(dir.fn_str()) != 0 )

 #endif
 #endif // !MSW/MSW
     {
 #endif
 #endif // !MSW/MSW
     {


@@ -1323,7 +1248,7 @@ static wxString gs_dirPath;
 wxString wxFindFirstFile(const wxChar *spec, int flags)
 {
     wxSplitPath(spec, &gs_dirPath, NULL, NULL);
 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;
         gs_dirPath = wxT(".");
     if ( !wxEndsWithPathSeparator(gs_dirPath ) )
         gs_dirPath << wxFILE_SEP_PATH;


@@ -1348,7 +1273,7 @@ wxString wxFindFirstFile(const wxChar *spec, int flags)
 
     wxString result;
     gs_dir->GetFirst(&result, wxFileNameFromPath(wxString(spec)), dirFlags);
 
     wxString result;
     gs_dir->GetFirst(&result, wxFileNameFromPath(wxString(spec)), dirFlags);

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

     {
         wxDELETE(gs_dir);
         return result;
     {
         wxDELETE(gs_dir);
         return result;


@@ -1364,7 +1289,7 @@ wxString wxFindNextFile()
     wxString result;
     gs_dir->GetNext(&result);
 
     wxString result;
     gs_dir->GetNext(&result);
 

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

     {
         wxDELETE(gs_dir);
         return result;
     {
         wxDELETE(gs_dir);
         return result;


@@ -1931,6 +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
 
 #ifdef __VISUALC__
     #pragma warning(default:4706)   // assignment within conditional expression