| [723] | 1 | function varargout = attributes(varargin) |
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| 2 | % XMLTREE/ATTRIBUTES Method (handle attributes of an element node) |
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| 3 | % FORMAT varargout = attributes(varargin) |
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| 4 | % |
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| 5 | % tree - XMLTree object |
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| 6 | % method - 'set','get','add','del' or 'length' |
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| 7 | % uid - the UID of an element node |
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| 8 | % n - indice of the attribute |
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| 9 | % key - string key="..." |
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| 10 | % val - string ...="val" |
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| 11 | % attr - cell array of struct(key,val) or just struct(key,val) |
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| 12 | % l - number of attributes of the element node uid |
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| 13 | % |
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| 14 | % tree = attributes(tree,'set',uid,n,key,val) |
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| 15 | % attr = attributes(tree,'get',uid[,n]) |
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| 16 | % tree = attributes(tree,'add',uid,key,val) |
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| 17 | % tree = attributes(tree,'del',uid[,n]) |
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| 18 | % l = attributes(tree,'length',uid) |
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| 19 | %_______________________________________________________________________ |
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| 20 | % |
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| 21 | % Handle attributes of an element node. |
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| 22 | % The tree parameter must be in input AND in output for 'set', 'add' and |
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| 23 | % 'del' methods. |
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| 24 | %_______________________________________________________________________ |
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| 25 | % @(#)attributes.m Guillaume Flandin 02/04/05 |
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| 26 | |
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| 27 | error(nargchk(3,6,nargin)); |
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| 28 | tree = varargin{1}; |
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| 29 | if ~ischar(varargin{2}) | ... |
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| 30 | ~any(strcmp(varargin{2},{'set','get','add','del','length'})) |
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| 31 | error('[XMLTree] Unknown method.'); |
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| 32 | end |
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| 33 | uid = varargin{3}; |
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| 34 | if ~isa(uid,'double') | any(uid>length(tree)) | any(uid<1) |
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| 35 | error('[XMLTree] UID must be a positive integer scalar.'); |
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| 36 | end |
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| 37 | |
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| 38 | if ~strcmp(tree.tree{uid}.type,'element') |
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| 39 | error('[XMLTree] This node has no attributes.'); |
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| 40 | end |
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| 41 | |
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| 42 | switch varargin{2} |
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| 43 | case 'set' |
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| 44 | error(nargchk(6,6,nargin)); |
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| 45 | if ~isa(varargin{4},'double') | ... |
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| 46 | any(varargin{4}>length(tree.tree{uid}.attributes)) | ... |
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| 47 | any(varargin{4}<1) |
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| 48 | error('[XMLTree] Invalid attribute indice.'); |
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| 49 | end |
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| 50 | ind = varargin{4}; |
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| 51 | tree.tree{uid}.attributes{ind} = struct('key',varargin{5},'val',varargin{6}); |
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| 52 | varargout{1} = tree; |
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| 53 | case 'get' |
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| 54 | error(nargchk(3,4,nargin)); |
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| 55 | if nargin == 4 |
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| 56 | if ~isa(varargin{4},'double') | ... |
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| 57 | any(varargin{4}>length(tree.tree{uid}.attributes)) | ... |
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| 58 | any(varargin{4}<1) |
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| 59 | error('[XMLTree] Invalid attribute indice.'); |
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| 60 | end |
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| 61 | if length(varargin{4}) == 1 |
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| 62 | varargout{1} = tree.tree{uid}.attributes{varargin{4}(1)}; |
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| 63 | else |
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| 64 | varargout{1} = {}; |
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| 65 | for i=1:length(varargin{4}) |
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| 66 | varargout{1}{i} = tree.tree{uid}.attributes{varargin{4}(i)}; |
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| 67 | end |
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| 68 | end |
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| 69 | else |
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| 70 | if length(tree.tree{uid}.attributes) == 1 |
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| 71 | varargout{1} = tree.tree{uid}.attributes{1}; |
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| 72 | else |
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| 73 | varargout{1} = {}; |
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| 74 | for i=1:length(tree.tree{uid}.attributes) |
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| 75 | varargout{1}{i} = tree.tree{uid}.attributes{i}; |
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| 76 | end |
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| 77 | end |
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| 78 | end |
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| 79 | case 'add' |
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| 80 | error(nargchk(5,5,nargin)); |
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| 81 | ind = length(tree.tree{uid}.attributes) + 1; |
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| 82 | tree.tree{uid}.attributes{ind} = struct('key',varargin{4},'val',varargin{5}); |
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| 83 | varargout{1} = tree; |
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| 84 | case 'del' |
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| 85 | error(nargchk(3,4,nargin)); |
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| 86 | if nargin == 4 |
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| 87 | if ~isa(varargin{4},'double') | ... |
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| 88 | any(varargin{4}>length(tree.tree{uid}.attributes)) | ... |
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| 89 | any(varargin{4}<1) |
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| 90 | error('[XMLTree] Invalid attribute indice.'); |
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| 91 | end |
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| 92 | ind = varargin{4}; |
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| 93 | tree.tree{uid}.attributes(ind) = []; |
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| 94 | else |
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| 95 | tree.tree{uid}.attributes = []; |
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| 96 | end |
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| 97 | varargout{1} = tree; |
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| 98 | case 'length' |
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| 99 | error(nargchk(3,3,nargin)); |
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| 100 | varargout{1} = length(tree.tree{uid}.attributes); |
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| 101 | otherwise |
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| 102 | error('[XMLTree] Unknown method.'); |
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| 103 | end |
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