update packages

[CreaPhase.git] / octave_packages / m / plot / private / __file_filter__.m

diff --git a/octave_packages/m/plot/private/__file_filter__.m b/octave_packages/m/plot/private/__file_filter__.m
new file mode 100644 (file)
index 0000000..711b837
--- /dev/null
+++ b/octave_packages/m/plot/private/__file_filter__.m
@@ -0,0 +1,93 @@
+## Copyright (C) 2010-2012 Kai Habel
+##
+## This file is part of Octave.
+##
+## Octave is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 3 of the License, or (at
+## your option) any later version.
+##
+## Octave is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+## General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with Octave; see the file COPYING.  If not, see
+## <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn {Function File} {} __file_filter__ (@var{file_filter})
+## Undocumented internal function.
+## @end deftypefn
+
+## Author: Kai Habel
+
+function [retval, defname, defdir] = __file_filter__ (file_filter, name)
+
+  revtal = {};
+  defname = "";
+  defdir = "";
+
+  if (iscell (file_filter))
+    [r, c] = size (file_filter);
+    if (c != 1 && c != 2)
+      error ("%s: invalid filter specification", name);
+    endif
+    if (c == 1)
+      retval = cell (r, 2);
+      for i = 1:r
+        retval{i, 1} = file_filter{i};
+        retval{i, 2} = __default_filtername__ (file_filter{i});
+      endfor
+    else
+      retval = file_filter;
+      for i = 1:r
+        if (isempty (retval{i, 2}))
+          retval{i, 2} = __default_filtername__ (retval{i, 1});
+        endif
+      endfor
+    endif
+  elseif (ischar (file_filter))
+    [defdir, fname, fext] = fileparts (file_filter);
+    if (! strcmp (fname, "*"))
+      defname = strcat (fname, fext);
+    endif
+    if (length (fext) > 0)
+      fext = strcat ("*", fext);
+      retval = {fext, __default_filtername__(fext)};
+    endif
+  endif
+
+  retval(end+1,:) = {"*", __default_filtername__("*")};
+
+endfunction
+
+function name = __default_filtername__ (filterext)
+
+  name = "";
+
+  switch (filterext)
+    case "*"
+      name = "All Files";
+    case "*.m"
+      name = "Octave Source Files";
+    case "*.c"
+      name = "C Source Files";
+    case {"*.cc" "*.c++" "*.cpp"}
+      name = "C++ Source Files";
+    case "*.oct"
+      name = "Octave Compiled Files";
+  endswitch
+
+  if (isempty (name))
+    extlist = strsplit(filterext, ";");
+    extlist = strrep (extlist, "*.", "");
+    extlist = toupper (extlist);
+    extlist(end+1, :) = repmat ({","}, 1, length (extlist));
+    extlist = strcat (extlist{:});
+    extlist = extlist(1:end-1);
+    name = strcat (extlist, "-Files");
+  endif
+
+endfunction