/usr/share/octave/packages/io-2.4.5/getxmlattv.m is in octave-io 2.4.5-1.
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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 | ## Copyright (C) 2013-2016 Philip Nienhuis
##
## This program 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.
##
## This program 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{retval}] = getxmlattv (@var{xmlnode}, @var{att})
## Get value of attribute @var{att} in xml node (char string) @var{xmlnode},
## return empty if attribute isn't present.
##
## @seealso{getxmlnode}
## @end deftypefn
## Author: Philip Nienhuis <prnienhuis@ at users.sf.net>
## Created: 2013-09-08
function [retval] = getxmlattv (xmlnode, att)
retval = '';
## Get end of first tag
iend = index (xmlnode, ">");
## Get start of value string. Concat '="' to ensure minimal ambiguity
vals = index (xmlnode, [att '="']);
if (vals == 0)
## Attribute not in current tag
return
elseif (vals)
vals = vals + length (att) + 2;
vale = regexp (xmlnode(vals:end), '"[ >/]');
if (! isempty (vale))
retval = xmlnode(vals:vals+vale-2);
endif
endif
endfunction
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