Mercurial > octave
view scripts/prefs/ispref.m @ 31237:e3016248ca5d
uifigure.m: Call set () only if varargin is not empty (bug #63088)
* uifigure.m: Call set () only if varargin is not empty.
author | John Donoghue <john.donoghue@ieee.org> |
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date | Wed, 21 Sep 2022 09:55:32 -0400 |
parents | 83f9f8bda883 |
children | 597f3ee61a48 |
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######################################################################## ## ## Copyright (C) 2012-2022 The Octave Project Developers ## ## See the file COPYRIGHT.md in the top-level directory of this ## distribution or <https://octave.org/copyright/>. ## ## 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{tf} =} ispref ("@var{group}", "@var{pref}") ## @deftypefnx {} {@var{tf} =} ispref ("@var{group}", @{"@var{pref1}", "@var{pref2"}, @dots{}@}) ## @deftypefnx {} {@var{tf} =} ispref ("@var{group}") ## Return true if the named preference @var{pref} exists in the preference ## group @var{group}. ## ## The named preference group must be a string. ## ## The preference @var{pref} may be a string or a cell array of strings. ## ## If @var{pref} is not specified, return true if the preference group ## @var{group} exists. ## @seealso{getpref, addpref, setpref, rmpref} ## @end deftypefn function tf = ispref (group, pref = "") if (nargin == 0) print_usage (); endif if (! ischar (group)) error ("ispref: GROUP must be a string"); endif if (! (ischar (pref) || iscellstr (pref))) error ("ispref: PREF must be a string or cellstr"); endif if (nargin == 1) tf = isfield (loadprefs (), group); else prefs = loadprefs (); if (isfield (prefs, group)) tf = isfield (prefs.(group), pref); else if (ischar (pref)) tf = false; else tf = false (size (pref)); endif endif endif endfunction %!test %! HOME = getenv ("HOME"); %! save_default_options ("-binary", "local"); %! unwind_protect %! setenv ("HOME", P_tmpdir ()); %! addpref ("group1", "pref1", [1 2 3]); %! addpref ("group2", {"prefA", "prefB"}, {"StringA", {"StringB"}}); %! %! assert (ispref ("group1")); %! assert (! ispref ("group3")); %! %! assert (ispref ("group2", "prefB")); %! assert (! ispref ("group2", "prefC")); %! %! assert (ispref ("group2", {"prefB", "prefC"}), [true, false]); %! %! assert (ispref ("group3", "prefB"), false); %! assert (ispref ("group3", {"prefB", "prefC"}), [false, false]); %! %! unwind_protect_cleanup %! unlink (fullfile (P_tmpdir (), ".octave_prefs")); %! if (isempty (HOME)) %! unsetenv ("HOME"); %! else %! setenv ("HOME", HOME); %! endif %! end_unwind_protect %!error <Invalid call> ispref () %!error <GROUP must be a string> ispref (1, "pref1") %!error <PREF must be a string> ispref ("group1", 1)