X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?p=CreaPhase.git;a=blobdiff_plain;f=octave_packages%2Fm%2Fmiscellaneous%2Fisappdata.m;fp=octave_packages%2Fm%2Fmiscellaneous%2Fisappdata.m;h=529858ab86dbefa21c7795ff9281a1151f85a686;hp=0000000000000000000000000000000000000000;hb=1c0469ada9531828709108a4882a751d2816994a;hpb=63de9f36673d49121015e3695f2c336ea92bc278
diff --git a/octave_packages/m/miscellaneous/isappdata.m b/octave_packages/m/miscellaneous/isappdata.m
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+## Copyright (C) 2010-2012 Ben Abbott
+##
+## This program 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 2 of the License, or
+## (at your option) any later version.
+##
+## This program 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
+## .
+
+## -*- texinfo -*-
+## @deftypefn {Function File} {@var{V} =} isappdata (@var{h}, @var{name})
+## Return true if the named application data, @var{name}, exists for the
+## object with handle @var{h}.
+## @seealso{getappdata, setappdata, rmappdata}
+## @end deftypefn
+
+## Author: Ben Abbott
+## Created: 2010-07-15
+
+function res = isappdata (h, name)
+
+ if (! (all (ishandle (h)) && ischar (name)))
+ error ("isappdata: invalid input");
+ endif
+
+ for nh = 1:numel(h)
+ data = get (h(nh));
+ if (isfield (data, "__appdata__") && isfield (data.__appdata__, name))
+ res(nh) = true;
+ else
+ res(nh) = false;
+ endif
+ endfor
+
+endfunction
+
+%!test
+%! setappdata (0, "hello", "world")
+%! assert (isappdata (0, "hello"), true)
+%!assert (isappdata (0, "foobar"), false)
+