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annotate m-toolbox/classes/+utils/@helper/val2str.m @ 37:a4b7ceae0403 database-connection-manager

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Show backtrace on unit test errors
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 % VAL2STR converts each value into a string
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: VAL2STR converts each value into a string.
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5 %
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6 % CALL: string = val2str(val)
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7 % string = val2str(val, MAX_DISP);
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8 %
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9 % PARAMETERS: val: value which should be converted into a string.
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10 % MAX_DISP: maximum string size. [default: 6000]
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11 %
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12 % REMARK: In a cell have each element the MAX_DISP size.
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13 %
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14 % VERSION: $Id: val2str.m,v 1.11 2010/12/17 14:21:59 hewitson Exp $
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15 %
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16 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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17
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18 function varargout = val2str(varargin)
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19
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20 if nargin == 1
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21 val = varargin{1};
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22 MAX_DISP = 6000;
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23 elseif nargin == 2
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24 val = varargin{1};
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25 MAX_DISP = varargin{2};
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26 else
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27 error('### Unknown number of inputs');
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28 end
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29
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30
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31 if ischar(val)
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32 %%%%%%%%%% character %%%%%%%%%%
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33
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34 valStr = fitStr(sprintf('''%s''', val), MAX_DISP);
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35
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36 elseif isnumeric(val) || islogical(val)
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37 %%%%%%%%%% numbers %%%%%%%%%%
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38 if isvector(val)
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39 if length(val)==1
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40 valStr = sprintf('%.17g', val);
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41 else
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42 %%% Number is a vector
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43 valStr = fitStr(utils.helper.mat2str(val), MAX_DISP);
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44 if numel(valStr) > 3 && strcmp(valStr(end-2:end), '...')
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45 valStr = sprintf('%s]', valStr);
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46 end
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47 end
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48 elseif isempty(val)
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49 valStr = '[]';
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50 else
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51 %%% Number is a matrix
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52 valStr = fitStr(mat2str(val), MAX_DISP);
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53 valStr = sprintf('[%dx%d], (%s)', size(val), valStr);
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54 if numel(valStr) > 3 && strcmp(valStr(end-2:end), '...')
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55 valStr = sprintf('%s]', valStr);
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56 end
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57 end
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58
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59 elseif iscell(val)
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60 %%%%%%%%%% cell %%%%%%%%%%
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61 if ~isempty(val)
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62 valStr = '{';
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63 for ii = 1:length(val)
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64 valStr = sprintf('%s%s, ', valStr, utils.helper.val2str(val{ii}, MAX_DISP));
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65 end
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66
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67 valStr = sprintf('%s}', valStr(1:end-2));
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68 else
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69 valStr = sprintf('{} [%dx%d]', size(val));
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70 end
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71 %%%%%%%%%%%%% symbols %%%%%%%%%%%%
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72 elseif isa(val, 'sym')
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73 valStr = fitStr(char(val), MAX_DISP);
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74
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75 elseif isa(val, 'history')
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76 %%%%%%%%%% history objects %%%%%%%%%%
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77 valStr = char(val); % sprintf('%dx[%s.hist]', numel(val), valStr{1});
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78
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79 elseif isa(val, 'provenance')
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80 %%%%%%%%%% provenance objects %%%%%%%%%%
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81 valStr = sprintf('%s %s', val.creator, val.ltpda_version);
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82
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83 elseif isa(val, 'database')
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84 valStr = sprintf('database-object: %s', val.Instance);
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85
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86 elseif isobject(val)
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87 %%%%%%%%%% all other objects objects %%%%%%%%%%
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88 valStr = char(val);
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89
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90 elseif isjava(val)
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91 %%%%%%%%%% java objects %%%%%%%%%%
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92 valStr = class(val);
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93
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94 elseif isa(val, 'function_handle')
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95 %%%%%%%%%% function handle %%%%%%%%%%
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96 valStr = sprintf('function handle: %s', func2str(val));
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97
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98 else
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99 valStr = sprintf('%dx%d [%s]', size(val,1), size(val,2), class(val));
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100 end
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101
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102 varargout{1} = valStr;
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103
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104 end
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105
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106 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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107 % Local Functions %
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108 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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109
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110 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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111 %
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112 % FUNCTION: fitStr
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113 %
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114 % DESCRIPTION: Fits the string to the maximum displayed characters.
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115 %
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116 % HISTORY: 15-06-2009 Diepholz
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117 % Creation.
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118 %
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119 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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120
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121 function str = fitStr(str, MAX_DISP)
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122 if length(str) > MAX_DISP
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123 str = sprintf('%s ...', str(1:MAX_DISP));
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124 end
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125 end