1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
## Copyright (C) 2012-2013 Rik Wehbring
##
## 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} {} methods (@var{obj})
## @deftypefnx {Function File} {} methods ("@var{classname}")
## @deftypefnx {Function File} {@var{mtds} =} methods (@dots{})
##
## Return a cell array containing the names of the methods for the
## object @var{obj} or the named class @var{classname}.
## @var{obj} may be an Octave class object or a Java object.
##
## @seealso{fieldnames}
## @end deftypefn
function mtds = methods (obj)
if (nargin != 1)
print_usage ();
endif
if (isobject (obj))
## Call internal C++ function for Octave objects
mtds_list = __methods__ (obj);
elseif (ischar (obj))
## Could be a classname for an Octave class or Java class.
## Try Octave class first.
mtds_list = __methods__ (obj);
if (isempty (mtds_list))
mtds_str = javaMethod ("getMethods", "org.octave.ClassHelper", obj);
mtds_list = ostrsplit (mtds_str, ';');
endif
elseif (isjava (obj))
## FIXME: Function prototype that excepts java obj exists, but doesn't
## work if obj is java.lang.String. Convert obj to classname.
obj = class (obj);
mtds_str = javaMethod ("getMethods", "org.octave.ClassHelper", obj);
mtds_list = strsplit (mtds_str, ';');
else
error ("methods: Invalid input argument");
endif
if (nargout == 0)
classname = ifelse (ischar (obj), obj, class (obj));
printf ("Methods for class %s:\n", classname);
disp (list_in_columns (mtds_list));
else
mtds = mtds_list;
endif
endfunction
## test Octave classname
%!test
%! mtds = methods ("ftp");
%! assert (mtds{1}, "ascii");
## test Java classname
%!testif HAVE_JAVA
%! mtds = methods ("java.lang.Double");
%! search = strfind (mtds, "java.lang.Double valueOf");
%! assert (! isempty ([search{:}]));
|
