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annotate SolutionFile.m @ 569:f1a01a48779c feature/grids/laplace_refactor

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Close branch feature/grids/laplace_refactor
author Jonatan Werpers <jonatan@werpers.com>
date Fri, 01 Sep 2017 10:58:07 +0200
parents 8298734b1938
children
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1 classdef SolutionFile < handle
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2 properties
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3 filename
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4 matfile
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5 keys % Cell array of keys. Each key is a structure
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6 % entries
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7 end
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8
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9 methods
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10 function obj = SolutionFile(filename)
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11
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12 obj.filename = filename;
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13
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14 is_new_file = ~exist(filename,'file');
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15
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16 % obj.matfile = matfile(filename,'Writable',true);
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17 fprintf('MATLAB SUCKS!!!!\n')
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18
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19 if is_new_file
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20 obj.matfile.keys = {};
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21 obj.matfile.entries = {};
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22 else
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23 loadStruct = load(filename);
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24 obj.matfile.keys = loadStruct.keys;
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25 obj.matfile.entries = loadStruct.entries;
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26
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27 % matObj = matfile(filename,'Writable',true);
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28 % obj.matfile.keys = matObj.keys;
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29 % obj.matfile.entries = matObj.entries;
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30 end
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31
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32 obj.keys = obj.matfile.keys;
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33
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34 end
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36 function stupidSave(obj)
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37 % Read file contents
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38 matObj = matfile(obj.filename,'Writable',true);
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39
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40 keys = obj.matfile.keys;
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41 entries = obj.matfile.entries;
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42
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43 % Delete the file
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44 if exist(obj.filename,'file')
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45 delete(obj.filename);
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46 end
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48 % Rewrite the file
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49 matObj = matfile(obj.filename,'Writable',true);
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50 matObj.keys = keys;
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51 matObj.entries = entries;
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52 end
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53
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54 function list(obj, show_syntax)
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55 default_arg('show_syntax',false);
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56 for i = 1:length(obj.keys)
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57 fprintf('[%d]: %s', i, toString(obj.keys{i}));
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58
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59 if show_syntax
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60 fprintf('\t%s',struct2syntax(obj.keys{i}));
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61 end
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62
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63 fprintf('\n');
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64 end
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65 end
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66
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67 % Returns the index for a key. Returns 0 if the key doesn't exist
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68 function I = getIndex(obj, key)
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69 I = 0;
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70
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71 for i = 1:length(obj.keys)
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72 if isequal(key,obj.keys{i});
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73 I = i;
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74 return
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75 end
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76 end
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77 end
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78
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79 function b = isKey(obj, key)
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80 I = obj.getIndex(key);
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81
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82 if I == 0
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83 b = false;
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84 else
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85 b = true;
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86 end
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87 end
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88
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89 % Gets entries where key match exactly.
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90 function e = get(obj, key)
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91 if ~obj.isKey(key);
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92 key
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93 error('No such key: %s', struct2string(key));
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94 end
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95
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96 I = obj.getIndex(key);
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97 e = obj.getEntryByIndex(I); % unpack the cell array
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98 end
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99
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100
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101 % Handles indexing weirdness of matfile class
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102 function e = getEntryByIndex(obj, I)
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103 e = obj.matfile.entries(1,I);
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104 e = e{1};
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105 end
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106
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107 function e = deleteByIndex(obj, I)
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108 obj.keys(I) = [];
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109 obj.matfile.keys = obj.keys;
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110
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111 entries = obj.matfile.entries;
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112 entries(I) = [];
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113 obj.matfile.entries = entries;
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114 end
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115
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116 % Handles indexing weirdness of matfile class
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117 function setEntryByIndex(obj,I, entry, force_flag)
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118 default_arg('force_flag',false);
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119 if ~force_flag && ( I < 1 || I > length(obj.keys))
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120 error('I is out of range. I = %d',I);
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121 end
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122 obj.matfile.entries(1,I) = {entry};
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123 end
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124
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125 function store(obj, key, entry)
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126 if obj.isKey(key);
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127 I = obj.getIndex(key);
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128 else
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129 I = length(obj.keys) + 1;
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130 end
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131
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132 obj.keys{I} = key;
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133 obj.matfile.keys = obj.keys;
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134 obj.setEntryByIndex(I,entry,true);
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135 end
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136
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137 function delete(obj, key)
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138 if ~obj.isKey(key);
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139 error('No such key: %s', struct2string(key));
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140 end
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141 I = obj.getIndex(key);
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142 obj.deleteByIndex(I);
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143 end
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144
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145
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146
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147 % Gets entries where the defined parts of partial_key matches the key of the entry
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148 function [keys, entries] = find(obj,partial_key)
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149 keys = {};
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150 entries = {};
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151 for i = 1:length(obj.keys)
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152 if structIsSubset(partial_key,obj.keys{i})
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153 i
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154 obj.keys{i}
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155 keys{end + 1} = obj.keys{i};
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156 entries{end + 1} = obj.getEntryByIndex(i);
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157 end
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158 end
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159 end
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160 end
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161
18
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162 methods(Static)
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163 function merge(fn1, fn2, fnNew)
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164 sf1 = SolutionFile(fn1);
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165 sf2 = SolutionFile(fn2);
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166
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167 sfNew = SolutionFile(fnNew);
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168
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169 sfNew.keys = sf1.keys;
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170 sfNew.matfile.keys = sf1.keys;
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171 sfNew.matfile.entries = sf1.matfile.entries;
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172
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173 for i = 1:length(sf2.keys)
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174 if sfNew.isKey(sf2.keys{i})
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175 warning('Key ''%s'' exists in both files!',struct2string(sf2.keys{i}));
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176 end
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177 sfNew.store(sf2.keys{i},sf2.getEntryByIndex(i));
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178 end
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179 end
24
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180
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181
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182 function b = keyIsEqual(key1,key2)
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183 b = isequal(key1, key2);
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184 end
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185
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186 function b = keyIsIn(key,keys)
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187 b = false;
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188 for i = 1:length(keys)
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189 b = isequal(key, keys{i});
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190 if b
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191 return
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192 end
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193 end
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194 end
18
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195 end
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196
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197 end