source: trunk/src/@xmltree/xmltree.m @ 780

function tree = xmltree(varargin)
% XMLTREE/XMLTREE Constructor of the XMLTree class
% FORMAT tree = xmltree(varargin)
% 
% filename - XML filename
% tree     - XMLTree Object
%
%     tree = xmltree;            % creates a minimal XML tree: <tag/>
%     tree = xmltree(filename);  % creates a tree from an XML file
%_______________________________________________________________________
%
% This is the constructor of the XMLTree class. 
% It creates a tree of an XML 1.0 file (after parsing) that is stored 
% using a Document Object Model (DOM) representation.
% See http://www.w3.org/TR/REC-xml for details about XML 1.0.
% See http://www.w3.org/DOM/ for details about DOM platform.
%_______________________________________________________________________
% @(#)xmltree.m                 Guillaume Flandin              02/03/27

switch(nargin)
        case 0
                tree.tree{1} = struct('type','element',...
                                      'name','tag',...
                                                      'attributes',[],...
                                                      'contents',[],...
                                                          'parent',[],...
                                                      'uid',1);
                tree.filename = '';
                tree = class(tree,'xmltree');
        case 1
                if isa(varargin{1},'xmltree')
                        tree = varargin{1};
                elseif ischar(varargin{1})
                        tree.tree = xml_parser(varargin{1});
                        tree.filename = varargin{1};
                        tree = class(tree,'xmltree');
                else 
                        error('[XMLTree] Bad input argument');
                end
        otherwise
                error('[XMLTree] Bad number of arguments');
end