wxFileName::CreateTempFileName changes. Open the tempfiles read/write. Allow

self delting temp files to be created, where the OS supports it. Add support
for opening wxFFile temp files.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42277 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/private/filename.h

@@ -0,0 +1,56 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        include/wx/private/filename.h
+// Purpose:     Internal declarations for src/common/filename.cpp
+// Author:      Mike Wetherell
+// Modified by:
+// Created:     2006-10-22
+// RCS-ID:      $Id$
+// Copyright:   (c) 2006 Mike Wetherell
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_PRIVATE_FILENAME_H_
+#define _WX_PRIVATE_FILENAME_H_
+
+#include "wx/file.h"
+#include "wx/ffile.h"
+
+// Self deleting temp files aren't supported on all platforms. Therefore
+// rather than let these be in the API, they can be used internally to
+// implement classes (e.g. wxTempFileStream), that will do the clean up when
+// the OS doesn't support it.
+
+// Same usage as wxFileName::CreateTempFileName() with the extra parameter
+// deleteOnClose. *deleteOnClose true on entry requests a file created with a
+// delete on close flag, on exit the value of *deleteOnClose indicates whether
+// available.
+
+#if wxUSE_FILE
+wxString wxCreateTempFileName(const wxString& prefix,
+                              wxFile *fileTemp,
+                              bool *deleteOnClose = NULL);
+#endif
+
+#if wxUSE_FFILE
+wxString wxCreateTempFileName(const wxString& prefix,
+                              wxFFile *fileTemp,
+                              bool *deleteOnClose = NULL);
+#endif
+
+// Returns an open temp file, if possible either an unlinked open file or one
+// that will delete on close. Only returns the filename if neither was
+// possible, so that the caller can delete the file when done.
+
+#if wxUSE_FILE
+bool wxCreateTempFile(const wxString& prefix,
+                      wxFile *fileTemp,
+                      wxString *name);
+#endif
+
+#if wxUSE_FFILE
+bool wxCreateTempFile(const wxString& prefix,
+                      wxFFile *fileTemp,
+                      wxString *name);
+#endif
+
+#endif // _WX_PRIVATE_FILENAME_H_