| 1 | #ifndef MXPARSE_H |
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| 2 | #define MXPARSE_H |
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| 3 | |
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| 4 | |
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| 5 | #include "base/libconfig/lib/libconfig.h++" |
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| 6 | #include <itpp/itbase.h> |
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| 7 | #include <itpp/itmex.h> |
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| 8 | #include <stdlib.h> |
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| 9 | |
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| 10 | |
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| 11 | using namespace itpp; |
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| 12 | using namespace std; |
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| 13 | using namespace libconfig; |
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| 14 | |
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| 15 | //! Class for writing Settings into Matlab's mxArray |
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| 16 | class UImxArray : public Config { |
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| 17 | public: |
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| 18 | //! Build an instance of Config with fields filled from the given \a mxarray |
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| 19 | UImxArray ( const mxArray *mxarray ) : Config() { |
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| 20 | Setting & setting = this->getRoot(); //setting is a group |
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| 21 | if ( !mxIsStruct ( mxarray ) ) { |
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| 22 | mexErrMsgTxt ( "Given mxArray is not a struct." ); |
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| 23 | }; |
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| 24 | |
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| 25 | //mexCallMATLAB(0, NULL, 1, (mxArray **) &mxarray, "dump"); |
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| 26 | fillGroup ( setting, mxarray ); |
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| 27 | setAutoConvert ( true ); |
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| 28 | } |
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| 29 | UImxArray() : Config() { |
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| 30 | setAutoConvert ( true ); |
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| 31 | } |
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| 32 | //! Add libconfig's \c list to the structure |
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| 33 | void addList ( const mxArray *mxarray, const char* name ) { |
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| 34 | Setting & setting = this->getRoot(); //setting is a group |
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| 35 | Setting & child = setting.add ( name, Setting::TypeList ); |
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| 36 | fillList ( child, mxarray ); |
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| 37 | } |
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| 38 | //! Add libconfig's \c group to the structure |
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| 39 | void addGroup ( const mxArray *mxarray, const char* name ) { |
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| 40 | Setting & setting = this->getRoot(); //setting is a group |
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| 41 | Setting & child = setting.add ( name, Setting::TypeGroup ); |
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| 42 | fillGroup ( child, mxarray ); |
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| 43 | } |
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| 44 | //! Operator for more convenient access to this Config |
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| 45 | operator Setting&() { |
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| 46 | return getRoot(); |
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| 47 | } |
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| 48 | |
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| 49 | private: |
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| 50 | void storeNumeric ( Setting &setting, const mxArray *value, string key = "" ) { |
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| 51 | //TODO: integer matrices |
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| 52 | if ( !mxIsNumeric ( value ) ) { |
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| 53 | mexErrMsgTxt ( "Given mxArray is not numeric." ); |
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| 54 | }; |
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| 55 | //treat empty matrices independently |
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| 56 | mat val; |
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| 57 | if ( mxGetM ( value ) > 0 && mxGetN(value)>0) { |
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| 58 | val = mxArray2mat ( value ); |
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| 59 | } |
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| 60 | if ( ( val.rows() == 1 ) && ( val.cols() == 1 ) ) { |
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| 61 | Setting &child = ( key == "" ) ? setting.add ( Setting::TypeFloat ) |
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| 62 | : setting.add ( key, Setting::TypeFloat ); |
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| 63 | child = val ( 0, 0 ); |
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| 64 | } else { |
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| 65 | Setting &child = ( key == "" ) ? setting.add ( Setting::TypeList ) |
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| 66 | : setting.add ( key, Setting::TypeList ); |
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| 67 | Setting &label = child.add ( Setting::TypeString ); |
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| 68 | label = "matrix"; |
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| 69 | Setting &rows = child.add ( Setting::TypeInt ); |
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| 70 | Setting &cols = child.add ( Setting::TypeInt ); |
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| 71 | Setting &elements = child.add ( Setting::TypeArray ); |
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| 72 | cols = val.cols(); |
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| 73 | rows = val.rows(); |
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| 74 | for ( int i = 0; i < val.rows(); i++ ) { |
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| 75 | for ( int j = 0; j < val.cols(); j++ ) { |
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| 76 | Setting &el = elements.add ( Setting::TypeFloat ); |
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| 77 | el = val ( i, j ); |
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| 78 | } |
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| 79 | } |
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| 80 | } |
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| 81 | } |
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| 82 | |
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| 83 | void fillGroup ( Setting &setting, const mxArray *mxarray ) { |
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| 84 | if ( !mxIsStruct ( mxarray ) ) { |
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| 85 | mexErrMsgTxt ( "Given mxArray is not a struct." ); |
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| 86 | }; |
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| 87 | for ( int i = 0; i < mxGetNumberOfFields ( mxarray ); i++ ) { |
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| 88 | const char *key = mxGetFieldNameByNumber ( mxarray, i ); |
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| 89 | mxArray *value = mxGetField ( mxarray, 0, key ); |
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| 90 | if ( mxIsChar ( value ) ) { |
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| 91 | Setting &child = setting.add ( key, Setting::TypeString ); |
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| 92 | child = mxArray2string ( value ); |
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| 93 | } else { |
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| 94 | if ( mxIsLogical ( value ) ) { |
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| 95 | Setting &child = setting.add ( key, Setting::TypeBoolean ); |
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| 96 | child = ( bool ) mxArray2bin ( value ); |
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| 97 | } else { |
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| 98 | if ( mxIsStruct ( value ) ) { |
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| 99 | Setting &child = setting.add ( key, Setting::TypeGroup ); |
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| 100 | fillGroup ( child, value ); |
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| 101 | } else { |
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| 102 | if ( mxIsCell ( value ) ) { |
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| 103 | Setting &child = setting.add ( key, Setting::TypeList ); |
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| 104 | fillList ( child, value ); |
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| 105 | } else { |
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| 106 | if ( mxIsNumeric ( value ) ) { |
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| 107 | storeNumeric ( setting, value, ( string ) key ); |
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| 108 | } else { |
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| 109 | // it is neither of above - treat it as an address |
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| 110 | // if (mxIsObject(value)){ <== should be tested but it is broken in matlab... |
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| 111 | |
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| 112 | Setting &child = setting.add(key, Setting::TypeInt64); |
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| 113 | child = (long)value; |
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| 114 | } |
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| 115 | } |
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| 116 | } |
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| 117 | } |
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| 118 | } |
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| 119 | } |
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| 120 | } |
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| 121 | |
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| 122 | void fillList ( Setting &setting, const mxArray *mxarray ) { |
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| 123 | if ( !mxIsCell ( mxarray ) ) { |
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| 124 | mexErrMsgTxt ( "Given mxArray is not a cell." ); |
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| 125 | }; |
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| 126 | for ( unsigned int i = 0; i < ( unsigned int ) mxGetNumberOfElements ( mxarray ); i++ ) { |
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| 127 | mxArray *value = mxGetCell ( mxarray, i ); |
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| 128 | if ( mxIsChar ( value ) ) { |
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| 129 | Setting &child = setting.add ( Setting::TypeString ); |
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| 130 | child = mxArray2string ( value ); |
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| 131 | } |
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| 132 | if ( mxIsLogical ( value ) ) { |
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| 133 | Setting &child = setting.add ( Setting::TypeBoolean ); |
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| 134 | child = ( bool ) mxArray2bin ( value ); |
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| 135 | } |
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| 136 | if ( mxIsStruct ( value ) ) { |
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| 137 | Setting &child = setting.add ( Setting::TypeGroup ); |
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| 138 | fillGroup ( child, value ); |
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| 139 | } |
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| 140 | if ( mxIsCell ( value ) ) { |
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| 141 | Setting &child = setting.add ( Setting::TypeList ); |
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| 142 | fillList ( child, value ); |
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| 143 | } |
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| 144 | if ( mxIsNumeric ( value ) ) { |
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| 145 | storeNumeric ( setting, value ); |
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| 146 | } |
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| 147 | } |
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| 148 | } |
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| 149 | |
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| 150 | public: |
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| 151 | //! Convert existing Setting to Matlab arrays |
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| 152 | static mxArray * create_mxArray( const Setting &setting ) |
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| 153 | { |
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| 154 | return group2mxstruct ( setting ); |
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| 155 | } |
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| 156 | |
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| 157 | //! Convert existing Setting to Matlab arrays |
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| 158 | mxArray * create_mxArray( ) |
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| 159 | { |
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| 160 | return group2mxstruct ( *this ); |
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| 161 | } |
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| 162 | |
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| 163 | private: |
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| 164 | //! Convert libconfig's array to Matlab vector |
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| 165 | static mxArray* array2mxvector ( const Setting &setting ) { |
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| 166 | if ( !setting.isArray() ) mexErrMsgTxt ( "Given setting is not an array" ); |
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| 167 | mxArray *result = mxCreateDoubleMatrix ( 1, setting.getLength(), mxREAL ); |
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| 168 | double *elements = mxGetPr ( result ); |
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| 169 | for ( int i = 0; i < setting.getLength(); i++ ) { |
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| 170 | if ( setting.getType() == Setting::TypeInt ) { //TODO: tady je chyba -- zaporna cisla nejsou TypeInt |
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| 171 | elements[i] = ( int ) setting[i]; |
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| 172 | } else { |
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| 173 | elements[i] = setting[i]; |
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| 174 | } |
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| 175 | } |
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| 176 | return result; |
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| 177 | } |
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| 178 | |
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| 179 | //! Convert libconfig's array to Matlab matrix |
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| 180 | static mxArray* list2mxmatrix ( const Setting &setting ) { |
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| 181 | if ( !setting.isList() || ( strcmp ( "matrix", setting[0] ) != 0 ) ) |
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| 182 | mexErrMsgTxt ( "Given setting is not a matrix" ); |
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| 183 | int rows = setting[1]; |
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| 184 | int cols = setting[2]; |
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| 185 | if ( setting[3].getLength() != rows*cols ) |
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| 186 | mexErrMsgTxt ( "Matrix elements do not fit to rows*cols" ); |
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| 187 | double *elements = new double[rows*cols]; |
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| 188 | for ( int i = 0; i < rows*cols; i++ ) { |
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| 189 | elements[i] = setting[3][i]; |
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| 190 | } |
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| 191 | mat &m = * ( new mat ( elements, rows, cols ) ); |
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| 192 | mxArray *result = mxCreateDoubleMatrix ( rows, cols, mxREAL ); |
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| 193 | mat2mxArray ( m, result ); |
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| 194 | delete &m; |
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| 195 | delete [] elements; |
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| 196 | return result; |
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| 197 | } |
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| 198 | |
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| 199 | //! Convert libconfig's gourp to Matlab structure |
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| 200 | static mxArray* group2mxstruct ( const Setting &setting ) { |
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| 201 | if ( !setting.isGroup() ) mexErrMsgTxt ( "Given setting is not a group." ); |
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| 202 | const char ** keys = new const char*[setting.getLength() ]; |
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| 203 | for ( int i = 0; i < setting.getLength(); i++ ) { |
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| 204 | keys[i] = setting[i].getName(); |
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| 205 | } |
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| 206 | mxArray *result = mxCreateStructMatrix ( 1, 1, setting.getLength(), keys ); |
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| 207 | delete keys; |
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| 208 | for ( int i = 0; i < setting.getLength(); i++ ) { |
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| 209 | Setting &value = setting[i]; |
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| 210 | mxArray *old = mxGetFieldByNumber ( result, 0, i ); |
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| 211 | if ( old ) mxDestroyArray ( old ); |
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| 212 | switch ( value.getType() ) { |
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| 213 | case Setting::TypeString: |
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| 214 | mxSetFieldByNumber ( result, 0, i, mxCreateString ( value ) ); |
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| 215 | break; |
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| 216 | case Setting::TypeBoolean: |
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| 217 | mxSetFieldByNumber ( result, 0, i, mxCreateLogicalScalar ( value ) ); |
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| 218 | break; |
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| 219 | case Setting::TypeGroup: |
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| 220 | mxSetFieldByNumber ( result, 0, i, group2mxstruct ( value ) ); |
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| 221 | break; |
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| 222 | case Setting::TypeList: |
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| 223 | mxSetFieldByNumber ( result, 0, i, list2mxcell ( value ) ); |
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| 224 | break; |
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| 225 | case Setting::TypeArray: |
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| 226 | mxSetFieldByNumber ( result, 0, i, array2mxvector ( value ) ); |
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| 227 | break; |
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| 228 | case Setting::TypeInt: |
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| 229 | case Setting::TypeInt64: |
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| 230 | mxSetFieldByNumber ( result, 0, i, mxCreateDoubleScalar ( ( int ) value ) ); |
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| 231 | break; |
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| 232 | case Setting::TypeFloat: |
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| 233 | mxSetFieldByNumber ( result, 0, i, mxCreateDoubleScalar ( value ) ); |
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| 234 | break; |
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| 235 | default: |
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| 236 | //this should never happen |
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| 237 | mexErrMsgTxt ( "Unknown type of a setting." ); |
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| 238 | } |
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| 239 | } |
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| 240 | return result; |
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| 241 | |
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| 242 | } |
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| 243 | //! Convert libconfig's list to Matlab cell |
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| 244 | static mxArray* list2mxcell ( const Setting &setting ) { |
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| 245 | if ( !setting.isList() ) mexErrMsgTxt ( "Given setting is not a list." ); |
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| 246 | if ( setting.getLength() == 0 ) { |
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| 247 | mxArray *result = mxCreateCellMatrix ( 1, 0 ); |
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| 248 | return result; |
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| 249 | } |
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| 250 | |
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| 251 | if ( ( setting[0].getType() == Setting::TypeString ) ) { |
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| 252 | string s = ( setting[0] ); |
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| 253 | if ( s == "matrix" ) { |
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| 254 | return list2mxmatrix ( setting ); |
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| 255 | } |
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| 256 | } |
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| 257 | mxArray *result = mxCreateCellMatrix ( 1, setting.getLength() ); |
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| 258 | for ( int i = 0; i < setting.getLength(); i++ ) { |
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| 259 | Setting &value = setting[i]; |
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| 260 | mxArray *old = mxGetCell ( result, i ); |
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| 261 | if ( old ) mxDestroyArray ( old ); |
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| 262 | switch ( value.getType() ) { |
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| 263 | case Setting::TypeString: |
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| 264 | mxSetCell ( result, i, mxCreateString ( value ) ); |
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| 265 | break; |
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| 266 | case Setting::TypeBoolean: |
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| 267 | mxSetCell ( result, i, mxCreateLogicalScalar ( value ) ); |
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| 268 | break; |
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| 269 | case Setting::TypeGroup: |
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| 270 | mxSetCell ( result, i, group2mxstruct ( value ) ); |
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| 271 | break; |
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| 272 | case Setting::TypeList: |
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| 273 | mxSetCell ( result, i, list2mxcell ( value ) ); |
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| 274 | break; |
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| 275 | case Setting::TypeArray: |
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| 276 | mxSetCell ( result, i, array2mxvector ( value ) ); |
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| 277 | break; |
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| 278 | case Setting::TypeInt: |
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| 279 | case Setting::TypeInt64: |
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| 280 | mxSetCell ( result, i, mxCreateDoubleScalar ( ( int ) value ) ); |
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| 281 | break; |
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| 282 | case Setting::TypeFloat: |
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| 283 | mxSetCell ( result, i, mxCreateDoubleScalar ( value ) ); |
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| 284 | break; |
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| 285 | default: |
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| 286 | //this should never happen |
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| 287 | mexErrMsgTxt ( "Unknown type of a setting." ); |
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| 288 | } |
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| 289 | } |
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| 290 | return result; |
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| 291 | } |
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| 292 | }; |
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| 293 | |
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| 294 | #endif //MXPARSE_H |
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