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function l = length(tree,r)
% XMLTREE/LENGTH Length Method
% FORMAT l = length(tree,r)
%
% tree - XMLTree object
% r - 'real' if present, returns the real number of nodes in the
% tree (deleted nodes aren't populated)
% l - length of the XML tree (number of nodes)
%__________________________________________________________________________
%
% Return the number of nodes of an XMLTree object.
%__________________________________________________________________________
% Copyright (C) 2002-2011 http://www.artefact.tk/
% Guillaume Flandin
% $Id: length.m 4460 2011-09-05 14:52:16Z guillaume $
%error(nargchk(1,2,nargin));
% Return the full number of nodes once allocated
l = length(tree.tree);
% Substract the number of deleted nodes to the previous length
if nargin == 2
if strcmp(r,'real')
ll = 0;
for i=1:l
if ~strcmp(tree.tree{i}.type,'deleted')
ll = ll + 1;
end
end
l = ll;
else
error('[XMLTree] Bad input argument.');
end
end
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