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annotate scripts/miscellaneous/rmappdata.m @ 17535:c12c688a35ed default tip lyh

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Fix warnings
author LYH <lyh.kernel@gmail.com>
date Fri, 27 Sep 2013 17:43:27 +0800
parents 1c89599167a6
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 ## Copyright (C) 2010-2012 Ben Abbott
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2 ##
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3 ## This program is free software; you can redistribute it and/or modify
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4 ## it under the terms of the GNU General Public License as published by
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5 ## the Free Software Foundation; either version 2 of the License, or
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6 ## (at your option) any later version.
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7 ##
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8 ## This program is distributed in the hope that it will be useful,
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9 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 ## GNU General Public License for more details.
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12 ##
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13 ## You should have received a copy of the GNU General Public License
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14 ## along with Octave; see the file COPYING. If not, see
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15 ## <http://www.gnu.org/licenses/>.
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16
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17 ## -*- texinfo -*-
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18 ## @deftypefn {Function File} {} rmappdata (@var{h}, @var{name})
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19 ## Delete the named application data for the object(s) with
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20 ## handle(s) @var{h}.
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21 ## @end deftypefn
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22
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23 ## Author: Ben Abbott <bpabbott@mac.com>
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24 ## Created: 2010-07-15
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25
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26 function rmappdata (h, varargin)
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27
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28 if (! (all (ishandle (h)) && iscellstr (varargin)))
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29 error ("rmappdata: invalid input");
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30 endif
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31
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32 for nh = 1:numel (h)
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33 if (isprop (h(nh), "__appdata__"))
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34 appdata = get (h(nh), "__appdata__");
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35 for v = 1:numel(varargin)
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36 if (isfield (appdata, varargin{v}))
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37 appdata = rmfield (appdata, varargin{v});
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38 else
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39 error ("rmappdata: appdata '%s' is not present")
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40 endif
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41 endfor
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42 set (h(nh), "__appdata__", appdata);
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43 endif
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44 endfor
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45
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46 endfunction
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47
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48
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49 %!test
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50 %! setappdata (0, "hello", "world");
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51 %! rmappdata (0, "hello");
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52 %! assert (isappdata (0, "hello"), false);
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53
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54 %!test
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55 %! setappdata (0, "data1", rand (3));
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56 %! setappdata (0, "data2", {"hello", "world"});
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57 %! rmappdata (0, "data1", "data2");
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58 %! assert (isappdata (0, "data1"), false);
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59 %! assert (isappdata (0, "data2"), false);
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60