| 1 | function tree = xmltree(varargin) |
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| 2 | % XMLTREE/XMLTREE Constructor of the XMLTree class |
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| 3 | % FORMAT tree = xmltree(varargin) |
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| 4 | % |
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| 5 | % varargin - XML filename or XML string |
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| 6 | % tree - XMLTree Object |
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| 7 | % |
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| 8 | % tree = xmltree; % creates a minimal XML tree: '<tag/>' |
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| 9 | % tree = xmltree('foo.xml'); % creates a tree from XML file 'foo.xml' |
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| 10 | % tree = xmltree('<tag>content</tag>') % creates a tree from string |
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| 11 | %_______________________________________________________________________ |
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| 12 | % |
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| 13 | % This is the constructor of the XMLTree class. |
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| 14 | % It creates a tree of an XML 1.0 file (after parsing) that is stored |
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| 15 | % using a Document Object Model (DOM) representation. |
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| 16 | % See http://www.w3.org/TR/REC-xml for details about XML 1.0. |
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| 17 | % See http://www.w3.org/DOM/ for details about DOM platform. |
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| 18 | %_______________________________________________________________________ |
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| 19 | % @(#)xmltree.m Guillaume Flandin 02/03/27 |
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| 20 | |
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| 21 | switch(nargin) |
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| 22 | case 0 |
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| 23 | tree.tree{1} = struct('type','element',... |
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| 24 | 'name','tag',... |
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| 25 | 'attributes',[],... |
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| 26 | 'contents',[],... |
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| 27 | 'parent',[],... |
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| 28 | 'uid',1); |
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| 29 | tree.filename = ''; |
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| 30 | tree = class(tree,'xmltree'); |
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| 31 | case 1 |
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| 32 | if isa(varargin{1},'xmltree') |
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| 33 | tree = varargin{1}; |
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| 34 | elseif ischar(varargin{1}) |
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| 35 | % Input argument is an XML string |
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| 36 | if (exist(varargin{1}) ~= 2 & ... |
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| 37 | ~isempty(xml_findstr(varargin{1},'<',1,1))) |
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| 38 | tree.tree = xml_parser(varargin{1}); |
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| 39 | tree.filename = ''; |
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| 40 | % Input argument is an XML filename |
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| 41 | else |
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| 42 | fid = fopen(varargin{1},'rt'); |
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| 43 | if (fid == -1) |
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| 44 | error(['[XMLTree] Cannot open ' varargin{1}]); |
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| 45 | end |
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| 46 | xmlstr = fscanf(fid,'%c'); |
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| 47 | fclose(fid); |
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| 48 | tree.tree = xml_parser(xmlstr); |
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| 49 | tree.filename = varargin{1}; |
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| 50 | end |
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| 51 | tree = class(tree,'xmltree'); |
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| 52 | else |
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| 53 | error('[XMLTree] Bad input argument'); |
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| 54 | end |
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| 55 | otherwise |
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| 56 | error('[XMLTree] Too many input arguments'); |
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| 57 | end |
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