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########################################################################
##
## Copyright (C) 2008-2026 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{newargs} =} __add_datasource__ (@var{fcn}, @var{h}, @var{data}, @var{varargin})
## Undocumented internal function.
## @end deftypefn
function newargs = __add_datasource__ (fcn, h, data, varargin)
if (ischar (data))
data = {data};
endif
for i = 1 : numel (data)
addproperty ([data{i} "datasource"], h, "string", "");
endfor
i = 0;
newargs = {};
while (i < numel (varargin))
arg = varargin{++i};
if (i != numel (varargin) && ischar (arg)
&& length (arg) > 9 && strcmpi (arg(end-9:end), "datasource"))
arg = lower (arg);
val = varargin{++i};
if (ischar (val))
set (h, arg, val);
else
error ("%s: datasource must be a string", fcn);
endif
else
newargs{end + 1} = arg;
endif
endwhile
endfunction
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