Mercurial > hg > ltpda

annotate m-toolbox/classes/@plist/mfind.m @ 8:2f5c9bd7d95d database-connection-manager

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Clarify ltpda_uo.retrieve parameters handling
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % MFIND multiple-arguments find routine for a parameter list.
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: MFIND multiple-arguments find routine for a parameter list.
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5 % Returns the value corresponding to the first parameter in
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6 % the list with the search-key list. The search-key list are
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7 % searched by the order they are entered.
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8 % If the user specifies two outputs, the second will contain the
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9 % matching key
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10 %
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11 % CALL: a = mfind(pl, 'key1', 'key2', 'key3')
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12 % [a, key] = mfind(pl, 'key1', 'key2', 'key3')
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13 % a = mfind(pl, {'key1', 'key2', 'key3'})
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14 % [a, key] = mfind(pl, {'key1', 'key2', 'key3'})
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15 % a = mfind(pl, plist({'key1', 'key2', 'key3'}))
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16 % [a, key] = mfind(pl, plist({'key1', 'key2', 'key3'}))
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17 %
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18 % EXAMPLES:
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19 %
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20 % 1) % get the parameter with key 'foo1', or if not found, get the parameter with key 'foo2'
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21 % pl = plist('foo2', 5);
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22 % a = pl.mfind('foo1','foo2')
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23 %
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24 % 2) % get the parameter with key 'WIN', or if not found, get the parameter with key 'WIN2'
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25 % pl = plist('WIN', 'BH92', 'WIN2', 'Hamming');
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26 % [a, key] = pl.mfind(plist('key', 'WIN'), 'WIN2')
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27 %
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28 % <a href="matlab:utils.helper.displayMethodInfo('plist', 'mfind')">Parameters Description</a>
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29 %
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30 % VERSION: $Id: mfind.m,v 1.6 2011/04/08 08:56:21 hewitson Exp $
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31 %
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32 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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33
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34 function varargout = mfind(varargin)
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35
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36 %%% Check if this is a call for parameters
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37 if utils.helper.isinfocall(varargin{:})
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38 varargout{1} = getInfo(varargin{3});
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39 return
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40 end
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41
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42 pl = varargin{1};
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43 rest = varargin(2:end);
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44 for jj = 1:numel(rest)
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45 if isa(rest{jj}, 'plist')
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46 key = rest{jj}.mfind('key');
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47 else
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48 key = rest{jj};
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49 end
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50
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51 if ~isa(key, 'cell')
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52 key = {key};
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53 end
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54
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55 for kk = 1:numel(key)
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56 %%%%%%%%%% Some plausibility checks %%%%%%%%%%
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57 if numel(pl) ~= 1
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58 error('### This function could only work with one plist-object');
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59 end
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60
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61 if ~ischar(key{kk})
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62 error('### The ''key'' must be a string but it is from the class %s.', class(key{kk}));
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63 end
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64
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65 if ~isempty(pl.params)
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66 dkeys = {pl.params(:).key};
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67 else
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68 dkeys = {''};
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69 end
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70
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71 % Get value we want
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72 matches = strcmpi(key{kk}, dkeys);
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73 if any(matches)
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74 val = pl.params(matches).getVal;
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75 match_key = key{kk};
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76 break;
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77 else
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78 val = [];
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79 match_key = [];
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80 end
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81 end
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82 if ~isempty(val)
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83 break;
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84 end
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85 end
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86 if isa(val, 'ltpda_obj')
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87 varargout{1} = copy(val, 1);
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88 else
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89 varargout{1} = val;
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90 end
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91
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92 if nargout == 2
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93 varargout{2} = match_key;
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94 end
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95 end
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96
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97 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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98 % Local Functions %
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99 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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100
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101 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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102 %
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103 % FUNCTION: getInfo
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104 %
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105 % DESCRIPTION: Get Info Object
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106 %
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107 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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108
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109 function ii = getInfo(varargin)
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110 if nargin == 1 && strcmpi(varargin{1}, 'None')
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111 sets = {};
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112 pl = [];
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113 else
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114 sets = {'Default'};
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115 pl = getDefaultPlist;
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116 end
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117 % Build info object
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118 ii = minfo(mfilename, 'plist', 'ltpda', utils.const.categories.helper, '$Id: mfind.m,v 1.6 2011/04/08 08:56:21 hewitson Exp $', sets, pl);
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119 ii.setModifier(false);
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120 ii.setArgsmin(1);
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121 end
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122
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123 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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124 %
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125 % FUNCTION: getDefaultPlist
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126 %
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127 % DESCRIPTION: Get Default Plist
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128 %
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129 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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130
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131 function pl = getDefaultPlist()
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132
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133 pl = plist();
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134
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135 % Key
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136 p = param({'key', 'A key to search for.'}, paramValue.EMPTY_STRING);
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137 pl.append(p);
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138
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139 end
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140