Mercurial > hg > ltpda

annotate m-toolbox/classes/@ltpda_uoh/fromFile.m @ 39:11e3ed9d2115 database-connection-manager

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Implement databases listing in database connection dialog
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
parents f0afece42f48
children
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % Construct a ltpda_ob from a file
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % FUNCTION: fromFile
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5 %
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6 % DESCRIPTION: Construct a ltpda_ob from a file
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7 %
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8 % CALL: obj = obj.fromFile(filename)
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9 % obj = obj.fromFile(pl)
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10 %
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11 % VERSION: $Id: fromFile.m,v 1.25 2011/10/05 09:50:55 ingo Exp $
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12 %
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13 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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14 function objs = fromFile(obj, pli)
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15
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16 VERSION = '$Id: fromFile.m,v 1.25 2011/10/05 09:50:55 ingo Exp $';
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17
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18 % Which file type are we dealing with?
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19 if ischar(pli)
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20 pli = plist('filename', pli);
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21 end
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22
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23 % get filename
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24 filename = find(pli, 'filename');
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25
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26 % Get the correct parameter set
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27 [path, name, ext] = fileparts(filename);
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28
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29 % Load a MAT file if the file extension doesn't exist
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30 if isempty(ext)
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31 ext = '.mat';
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32 filename = strcat(filename, ext);
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33 pli.pset('filename', filename);
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34 end
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35
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36 % Some display information
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37 import utils.const.*
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38 utils.helper.msg(msg.PROC1, 'load file: %s%s', name, ext);
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39
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40 switch ext
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41
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42 case '.fil'
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43 objs = obj.fromLISO(pli);
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44
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45 case '.mat'
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46 ii = obj.getInfo(class(obj), 'From MAT File');
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47 ii.setMversion([VERSION '-->' ii.mversion]);
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48
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49 % Combine input and default plist
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50 pl = combine(pli, ii.plists);
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51
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52 % Load MAT-File
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53 objs = load(filename);
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54
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55 fn = fieldnames(objs);
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56
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57 if (numel(fn) == 1) && (isstruct(objs.(fn{1})))
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58 % If the read object have only one entry and the this entry is a
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59 % struct then we assume that the struct is a LTPDA object.
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60
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61 objs = objs.(fn{1});
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62
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63 scl = utils.helper.classFromStruct(objs);
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64 if isempty(scl)
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65 if isfield(objs, 'class')
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66 scl = objs.class;
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67 else
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68 error('### The structure does not match any LTPDA object.');
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69 end
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70 end
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71 if ~strcmp(class(obj), scl)
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72 error('### The structure does not match the chosen LTPDA object constructor. It seems to be a [%s] object.', scl)
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73 end
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74 fcn_name = [class(obj) '.update_struct'];
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75 if ~isempty(objs(1).hist) && ~isempty(objs(1).hist.plistUsed)
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76 struct_ver = sscanf(objs(1).hist.plistUsed.creator.ltpda_version, '%s.%s.%s');
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77 else
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78 struct_ver = '1.0';
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79 end
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80 objs = feval(fcn_name, objs, struct_ver);
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81 objs = feval(class(obj), objs);
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82
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83 elseif (numel(fn) == 1) && (isa(objs.(fn{1}), 'ltpda_obj'))
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84 % If the read object have only one entry and this entry is a LTPDA
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85 % object then return this LTPDA object.
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86 objs = objs.(fn{1});
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87
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88 else
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89 objs = obj.fromDataInMAT(objs, pl);
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90 end
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91
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92 case '.xml'
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93 ii = obj.getInfo(class(obj), 'From XML File');
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94 ii.setMversion([VERSION '-->' ii.mversion]);
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95
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96 root_node = xmlread(filename);
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97 objs = utils.xml.xmlread(root_node, class(obj));
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98
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99 otherwise
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100 % we load an ascii file
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101
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102 if pli.isparam('complex_type')
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103 objs = obj.fromComplexDatafile(pli);
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104 else
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105 objs = obj.fromDatafile(pli);
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106 end
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107
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108 end
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109
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110 end
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111