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# config2mxstruct.h

    00001 #include "../base/libconfig/libconfig.h++"
    00002 #include <itpp/itbase.h>
    00003 #include <itpp/itmex.h>
    00004 #include <stdlib.h>
    00005
    00006 using namespace itpp;
    00007 using namespace std;
    00008 using namespace libconfig;
    00009
    00011 class UImxConfig : public Config {
    00012 public:
    00014         mxArray *mxconfig;
    00016         UImxConfig ( const char * filename ) {
    00017                 Config config;
    00018                 config.readFile ( filename );
    00019                 mxconfig = group2mxstruct ( config.getRoot() );
    00020         }
    00022         UImxConfig ( const Setting &setting ) {
    00023                 mxconfig = group2mxstruct ( setting );
    00024         }
    00025
    00026 private:
    00028         mxArray* array2mxvector ( const Setting &setting )  {
    00029                 if ( !setting.isArray() ) mexErrMsgTxt ( "Given setting is not an array" );
    00030                 double *elements = new double[setting.getLength() ];
    00031                 for ( int i = 0; i < setting.getLength(); i++ ) {
    00032                         if ( setting.getType() == Setting::TypeInt ) { //TODO: tady je chyba -- zaporna cisla nejsou TypeInt
    00033                                 elements[i] = setting[i];
    00034                         } else {
    00035                                 elements[i] = ( int ) setting[i];
    00036                         }
    00037                 }
    00038                 vec &v = * ( new vec ( elements, setting.getLength() ) );
    00039                 mxArray *result = mxCreateDoubleMatrix ( 1, setting.getLength(), mxREAL );
    00040                 vec2mxArray ( v, result );
    00041                 delete &v;
    00042                 delete [] elements;
    00043                 return result;
    00044         }
    00045
    00047         mxArray* list2mxmatrix ( const Setting &setting )  {
    00048                 if ( !setting.isList() || ( "matrix" != setting[0] ) )
    00049                         mexErrMsgTxt ( "Given setting is not a matrix" );
    00050                 int rows = setting[1];
    00051                 int cols = setting[2];
    00052                 if ( setting[3].getLength() != rows*cols )
    00053                         mexErrMsgTxt ( "Matrix elements do not fit to rows*cols" );
    00054                 double *elements = new double[rows*cols];
    00055                 for ( int i = 0; i < rows*cols; i++ ) {
    00056                         elements[i] = setting[3][i];
    00057                 }
    00058                 mat &m = * ( new mat ( elements, rows, cols ) );
    00059                 mxArray *result = mxCreateDoubleMatrix ( rows, cols, mxREAL );
    00060                 mat2mxArray ( m, result );
    00061                 delete &m;
    00062                 delete [] elements;
    00063                 return result;
    00064         }
    00065
    00067         mxArray* group2mxstruct ( const Setting &setting ) {
    00068                 if ( !setting.isGroup() ) mexErrMsgTxt ( "Given setting is not a group." );
    00069                 const char ** keys = new const char*[setting.getLength() ];
    00070                 for ( int i = 0; i < setting.getLength(); i++ ) {
    00071                         keys[i] = setting[i].getName();
    00072                 }
    00073                 mxArray *result = mxCreateStructMatrix ( 1, 1, setting.getLength(), keys );
    00074                 delete keys;
    00075                 for ( int i = 0; i < setting.getLength(); i++ ) {
    00076                         Setting &value = setting[i];
    00077                         mxArray *old = mxGetFieldByNumber ( result, 0, i );
    00078                         if ( old ) mxDestroyArray ( old );
    00079                         switch ( value.getType() ) {
    00080                         case Setting::TypeString:
    00081                                 mxSetFieldByNumber ( result, 0, i, mxCreateString ( value ) );
    00082                                 break;
    00083                         case Setting::TypeBoolean:
    00084                                 mxSetFieldByNumber ( result, 0, i, mxCreateLogicalScalar ( value ) );
    00085                                 break;
    00086                         case Setting::TypeGroup:
    00087                                 mxSetFieldByNumber ( result, 0, i, group2mxstruct ( value ) );
    00088                                 break;
    00089                         case Setting::TypeList:
    00090                                 mxSetFieldByNumber ( result, 0, i, list2mxcell ( value ) );
    00091                                 break;
    00092                         case Setting::TypeArray:
    00093                                 mxSetFieldByNumber ( result, 0, i, array2mxvector ( value ) );
    00094                                 break;
    00095                         case Setting::TypeInt:
    00096                         case Setting::TypeInt64:
    00097                                 mxSetFieldByNumber ( result, 0, i, mxCreateDoubleScalar ( ( int ) value ) );
    00098                                 break;
    00099                         case Setting::TypeFloat:
    00100                                 mxSetFieldByNumber ( result, 0, i, mxCreateDoubleScalar ( value ) );
    00101                                 break;
    00102                         default:
    00103                                 //this should never happen
    00104                                 mexErrMsgTxt ( "Unknown type of a setting." );
    00105                         }
    00106                 }
    00107                 return result;
    00108
    00109         }
    00111         mxArray* list2mxcell ( const Setting &setting )  {
    00112                 if ( !setting.isList() ) mexErrMsgTxt ( "Given setting is not a list." );
    00113                 if ( setting.getLength() == 0 ) {
    00114                         mxArray *result = mxCreateCellMatrix ( 1, 0 );
    00115                         return result;
    00116                 }
    00117                 if ( ( setting[0].getType() == Setting::TypeString ) && ( "matrix" == setting[0] ) ) {
    00118                         return list2mxmatrix ( setting );
    00119                 }
    00120                 mxArray *result = mxCreateCellMatrix ( 1, setting.getLength() );
    00121                 for ( int i = 0; i < setting.getLength(); i++ ) {
    00122                         Setting &value = setting[i];
    00123                         mxArray *old = mxGetCell ( result, i );
    00124                         if ( old ) mxDestroyArray ( old );
    00125                         switch ( value.getType() ) {
    00126                         case Setting::TypeString:
    00127                                 mxSetCell ( result, i, mxCreateString ( value ) );
    00128                                 break;
    00129                         case Setting::TypeBoolean:
    00130                                 mxSetCell ( result, i, mxCreateLogicalScalar ( value ) );
    00131                                 break;
    00132                         case Setting::TypeGroup:
    00133                                 mxSetCell ( result, i, group2mxstruct ( value ) );
    00134                                 break;
    00135                         case Setting::TypeList:
    00136                                 mxSetCell ( result, i, list2mxcell ( value ) );
    00137                                 break;
    00138                         case Setting::TypeArray:
    00139                                 mxSetCell ( result, i, array2mxvector ( value ) );
    00140                                 break;
    00141                         case Setting::TypeInt:
    00142                         case Setting::TypeInt64:
    00143                                 mxSetCell ( result, i, mxCreateDoubleScalar ( ( int ) value ) );
    00144                                 break;
    00145                         case Setting::TypeFloat:
    00146                                 mxSetCell ( result, i, mxCreateDoubleScalar ( value ) );
    00147                                 break;
    00148                         default:
    00149                                 //this should never happen
    00150                                 mexErrMsgTxt ( "Unknown type of a setting." );
    00151                         }
    00152                 }
    00153                 return result;
    00154         }
    00155 };