source: trunk/src/xml2struct.m @ 660

Last change on this file since 660 was 655, checked in by sommeria, 8 years ago

various bugs corrected

File size: 2.8 KB
Line 
1% 'xml2struct': read an xml file as a Matlab structure, converts numeric character strings into numbers
2%-----------------------------------------------------------------------
3% function s=xml2struct(filename)
4%
5% OUTPUT:
6% s= Matlab structure corresponding to the input xml file
7%
8% INPUT:
9% filename: name of the xml file
10% varargin: optional list of strings to restrict the reading to a selection of subtrees, for instance 'GeometryCalib' (save time)
11
12function [s,Heading]=xml2struct(filename,varargin)
13t=xmltree(filename);
14iline=0;
15Heading='';
16while isempty(Heading)
17    iline=iline+1;
18    if strcmp(get(t,iline,'type'),'element')
19        Heading=get(t,iline,'name');
20    end
21end
22if nargin>1
23    for isub=1:nargin-1
24        uid_sub=find(t,['/' Heading '/' varargin{isub}]);
25        if isempty(uid_sub)
26            s.(varargin{isub})=[];
27        else
28        tsub=branch(t,uid_sub);
29        ss=convert(tsub);
30        s.(varargin{isub})=convert_string(ss);
31        end
32    end
33else
34    ss=convert(t);
35    s=convert_string(ss);
36end
37
38
39function out=convert_string(ss)
40info=whos('ss');
41switch info.class
42    case 'struct'
43        out=[];%default
44        names = fieldnames(ss);
45        for k=1:length(names)
46            out.(names{k})=convert_string(ss.(names{k}));
47        end
48    case 'char'   
49        out=str2num(ss);
50        %if isempty(regexp(ss,'^(-*\d+\.*\d*\ *)+$'))% if the string does not contain a set of numbers (with possible sign and decimal) separated by blanks
51        if isempty(out)
52            sep_ind=regexp(ss,'\s&\s');% check for separator ' & ' which indicates column separation in tables
53            if ~isempty(sep_ind)
54                sep_ind=[-2 sep_ind length(ss)+1];
55                for icolumn=1:length(sep_ind)-1
56                    out{1,icolumn}=ss(sep_ind(icolumn)+3:sep_ind(icolumn+1)-1);
57                end
58            else
59                out=ss; %reproduce the input string
60            end
61%         else
62%             out=str2num(ss);
63        end
64    case 'cell'
65        out=[];%default
66        check_numeric=zeros(size(ss));
67        for ilist=1:numel(ss)
68            if ~isempty(str2num(ss{ilist}))
69                out{ilist,1}=str2num(ss{ilist});
70                check_numeric(ilist)=1;
71            else
72                sep_ind=regexp(ss{ilist},'\s&\s');% check for separator ' & ' which indicates column separation in tables
73                if ~isempty(sep_ind)
74                    sep_ind=[-2 sep_ind length(ss{ilist})+1];
75                    for icolumn=1:length(sep_ind)-1
76                        out{ilist,icolumn}=ss{ilist}(sep_ind(icolumn)+3:sep_ind(icolumn+1)-1);
77                    end
78                else
79                    out{ilist,1}=ss{ilist}; %reproduce the input string
80                end
81            end
82        end
83        if isequal(check_numeric,ones(size(ss)))
84            out=cell2mat(out);
85        end
86    otherwise
87        out=ss;
88end
89
90   
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