1 | #ifndef CFGSTR_H |
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2 | #define CFGSTR_H |
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3 | |
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4 | #include "../base/libconfig/lib/libconfig.h++" |
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5 | #include <itpp/itbase.h> |
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6 | #include <itpp/itmex.h> |
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7 | #include <stdlib.h> |
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8 | |
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9 | using namespace itpp; |
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10 | using namespace std; |
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11 | using namespace libconfig; |
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12 | |
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13 | //! Reimplementation of libconfig's Config class for Matlab mxArray structures |
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14 | class UImxConfig : public Config { |
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15 | public: |
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16 | //! Matlab structure where the info is stored |
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17 | mxArray *mxconfig; |
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18 | //! Load file in libconfig syntax to Matlab arrays |
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19 | UImxConfig ( const char * filename ) { |
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20 | Config config; |
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21 | config.readFile ( filename ); |
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22 | mxconfig = group2mxstruct ( config.getRoot() ); |
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23 | } |
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24 | //! Convert existing Setting to Matlab arrays |
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25 | UImxConfig ( const Setting &setting ) { |
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26 | mxconfig = group2mxstruct ( setting ); |
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27 | } |
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28 | |
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29 | private: |
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30 | //! Convert libconfig's array to Matlab vector |
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31 | mxArray* array2mxvector ( const Setting &setting ) { |
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32 | if ( !setting.isArray() ) mexErrMsgTxt ( "Given setting is not an array" ); |
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33 | mxArray *result = mxCreateDoubleMatrix ( 1, setting.getLength(), mxREAL ); |
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34 | double *elements = mxGetPr ( result ); |
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35 | for ( int i = 0; i < setting.getLength(); i++ ) { |
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36 | if ( setting.getType() == Setting::TypeInt ) { //TODO: tady je chyba -- zaporna cisla nejsou TypeInt |
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37 | elements[i] = ( int ) setting[i]; |
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38 | } else { |
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39 | elements[i] = setting[i]; |
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40 | } |
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41 | } |
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42 | return result; |
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43 | } |
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44 | |
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45 | //! Convert libconfig's array to Matlab matrix |
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46 | mxArray* list2mxmatrix ( const Setting &setting ) { |
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47 | if ( !setting.isList() || ( strcmp ( "matrix", setting[0] ) != 0 ) ) |
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48 | mexErrMsgTxt ( "Given setting is not a matrix" ); |
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49 | int rows = setting[1]; |
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50 | int cols = setting[2]; |
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51 | if ( setting[3].getLength() != rows*cols ) |
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52 | mexErrMsgTxt ( "Matrix elements do not fit to rows*cols" ); |
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53 | double *elements = new double[rows*cols]; |
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54 | for ( int i = 0; i < rows*cols; i++ ) { |
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55 | elements[i] = setting[3][i]; |
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56 | } |
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57 | mat &m = * ( new mat ( elements, rows, cols ) ); |
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58 | mxArray *result = mxCreateDoubleMatrix ( rows, cols, mxREAL ); |
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59 | mat2mxArray ( m, result ); |
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60 | delete &m; |
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61 | delete [] elements; |
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62 | return result; |
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63 | } |
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64 | |
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65 | //! Convert libconfig's gourp to Matlab structure |
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66 | mxArray* group2mxstruct ( const Setting &setting ) { |
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67 | if ( !setting.isGroup() ) mexErrMsgTxt ( "Given setting is not a group." ); |
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68 | const char ** keys = new const char*[setting.getLength() ]; |
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69 | for ( int i = 0; i < setting.getLength(); i++ ) { |
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70 | keys[i] = setting[i].getName(); |
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71 | } |
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72 | mxArray *result = mxCreateStructMatrix ( 1, 1, setting.getLength(), keys ); |
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73 | delete keys; |
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74 | for ( int i = 0; i < setting.getLength(); i++ ) { |
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75 | Setting &value = setting[i]; |
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76 | mxArray *old = mxGetFieldByNumber ( result, 0, i ); |
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77 | if ( old ) mxDestroyArray ( old ); |
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78 | switch ( value.getType() ) { |
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79 | case Setting::TypeString: |
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80 | mxSetFieldByNumber ( result, 0, i, mxCreateString ( value ) ); |
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81 | break; |
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82 | case Setting::TypeBoolean: |
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83 | mxSetFieldByNumber ( result, 0, i, mxCreateLogicalScalar ( value ) ); |
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84 | break; |
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85 | case Setting::TypeGroup: |
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86 | mxSetFieldByNumber ( result, 0, i, group2mxstruct ( value ) ); |
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87 | break; |
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88 | case Setting::TypeList: |
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89 | mxSetFieldByNumber ( result, 0, i, list2mxcell ( value ) ); |
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90 | break; |
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91 | case Setting::TypeArray: |
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92 | mxSetFieldByNumber ( result, 0, i, array2mxvector ( value ) ); |
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93 | break; |
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94 | case Setting::TypeInt: |
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95 | case Setting::TypeInt64: |
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96 | mxSetFieldByNumber ( result, 0, i, mxCreateDoubleScalar ( ( int ) value ) ); |
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97 | break; |
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98 | case Setting::TypeFloat: |
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99 | mxSetFieldByNumber ( result, 0, i, mxCreateDoubleScalar ( value ) ); |
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100 | break; |
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101 | default: |
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102 | //this should never happen |
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103 | mexErrMsgTxt ( "Unknown type of a setting." ); |
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104 | } |
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105 | } |
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106 | return result; |
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107 | |
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108 | } |
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109 | //! Convert libconfig's list to Matlab cell |
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110 | mxArray* list2mxcell ( const Setting &setting ) { |
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111 | if ( !setting.isList() ) mexErrMsgTxt ( "Given setting is not a list." ); |
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112 | if ( setting.getLength() == 0 ) { |
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113 | mxArray *result = mxCreateCellMatrix ( 1, 0 ); |
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114 | return result; |
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115 | } |
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116 | |
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117 | if ( ( setting[0].getType() == Setting::TypeString ) ) { |
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118 | string s = ( setting[0] ); |
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119 | if ( s == "matrix" ) { |
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120 | return list2mxmatrix ( setting ); |
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121 | } |
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122 | } |
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123 | mxArray *result = mxCreateCellMatrix ( 1, setting.getLength() ); |
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124 | for ( int i = 0; i < setting.getLength(); i++ ) { |
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125 | Setting &value = setting[i]; |
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126 | mxArray *old = mxGetCell ( result, i ); |
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127 | if ( old ) mxDestroyArray ( old ); |
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128 | switch ( value.getType() ) { |
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129 | case Setting::TypeString: |
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130 | mxSetCell ( result, i, mxCreateString ( value ) ); |
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131 | break; |
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132 | case Setting::TypeBoolean: |
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133 | mxSetCell ( result, i, mxCreateLogicalScalar ( value ) ); |
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134 | break; |
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135 | case Setting::TypeGroup: |
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136 | mxSetCell ( result, i, group2mxstruct ( value ) ); |
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137 | break; |
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138 | case Setting::TypeList: |
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139 | mxSetCell ( result, i, list2mxcell ( value ) ); |
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140 | break; |
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141 | case Setting::TypeArray: |
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142 | mxSetCell ( result, i, array2mxvector ( value ) ); |
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143 | break; |
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144 | case Setting::TypeInt: |
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145 | case Setting::TypeInt64: |
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146 | mxSetCell ( result, i, mxCreateDoubleScalar ( ( int ) value ) ); |
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147 | break; |
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148 | case Setting::TypeFloat: |
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149 | mxSetCell ( result, i, mxCreateDoubleScalar ( value ) ); |
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150 | break; |
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151 | default: |
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152 | //this should never happen |
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153 | mexErrMsgTxt ( "Unknown type of a setting." ); |
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154 | } |
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155 | } |
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156 | return result; |
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157 | } |
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158 | }; |
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159 | |
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160 | #endif //CFGSTR_H |
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