Mercurial > octave
view scripts/miscellaneous/getfield.m @ 28020:eb46a9f47164 stable release-5-2-0
Avoid color changes in MS Windows GUI terminal (bug #57658).
* scripts/miscellaneous/mkoctfile.m: Add the gcc compiler flag
"-fdiagnostics-color=never" in case of MS Windows and the GUI is running.
For the MS Windows CLI version the output looks very nice. Update year.
author | Kai T. Ohlhus <k.ohlhus@gmail.com> |
---|---|
date | Tue, 28 Jan 2020 10:57:35 +0900 |
parents | 00f796120a6d |
children | b442ec6dda5c |
line wrap: on
line source
## Copyright (C) 2000-2019 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 ## <https://www.gnu.org/licenses/>. ## -*- texinfo -*- ## @deftypefn {} {@var{val} =} getfield (@var{s}, @var{field}) ## @deftypefnx {} {@var{val} =} getfield (@var{s}, @var{sidx1}, @var{field1}, @var{fidx1}, @dots{}) ## Get the value of the field named @var{field} from a structure or nested ## structure @var{s}. ## ## If @var{s} is a structure array then @var{sidx} selects an element of the ## structure array, @var{field} specifies the field name of the selected ## element, and @var{fidx} selects which element of the field (in the case of ## an array or cell array). See @code{setfield} for a more complete ## description of the syntax. ## ## @seealso{setfield, rmfield, orderfields, isfield, fieldnames, isstruct, struct} ## @end deftypefn ## Author: Etienne Grossmann <etienne@cs.uky.edu> function val = 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)) error ("getfield: invalid index"); endif typs = merge (flds, {"."}, {"()"}); val = subsref (s, struct ("type", typs, "subs", subs)); endfunction %!test %! x.a = "hello"; %! assert (getfield (x, "a"), "hello"); %!test %! ss(1,2).fd(3).b(1,4) = 5; %! assert (getfield (ss,{1,2},"fd",{3},"b", {1,4}), 5); ## Test input validation %!error getfield () %!error getfield (1) %!error <invalid index> getfield (1,2)