Mercurial > octave-nkf
view scripts/miscellaneous/getfield.m @ 19654:a1d172bfcb2f gui-release
eliminate some unused variable and typedef warnings
* pr-output.cc, profiler.cc, ov-base-diag.cc, ov-perm.cc: Eliminate
unused variables and typedefs.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Fri, 23 Jan 2015 16:09:35 -0500 |
parents | ea0d4dea1a17 |
children | 1fa328da03ef |
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## Copyright (C) 2000-2013 Etienne Grossmann ## Copyright (C) 2009 VZLU Prague ## ## 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} {[@var{val}] =} getfield (@var{s}, @var{field}) ## @deftypefnx {Function File} {[@var{val}] =} getfield (@var{s}, @var{idx1}, @var{field1}, @var{idx2}, @var{field2}, @dots{}) ## Extract a field from a structure (or a nested structure). The syntax ## is the same as @code{setfield}, except it omits the final @var{val} ## argument, returning this value instead of setting it. ## ## @seealso{setfield, rmfield, isfield, fieldnames, isstruct, struct} ## @end deftypefn ## Author: Etienne Grossmann <etienne@cs.uky.edu> function obj = getfield (s, varargin) if (nargin < 2) print_usage (); endif subs = varargin; flds = cellfun ("isclass", subs, "char"); idxs = cellfun ("isclass", subs, "cell"); if (all (flds | idxs)) typs = merge (flds, {"."}, {"()"}); obj = subsref (s, struct ("type", typs, "subs", subs)); else error ("getfield: invalid index"); endif endfunction %!test %! x.a = "hello"; %! assert (getfield (x, "a"), "hello"); %!test %! ss(1,2).fd(3).b = 5; %! assert (getfield (ss,{1,2},"fd",{3},"b"), 5);