int main (int argc, char *argv[]) {
// get a name of a file
if (argc != 2) {
cout << "wrong parameters";
return(RETURN_ERROR);
}
string file = argv[1];
// open a matlab file7
MATFile *pmat = matOpen(file.c_str(), "r");
if (pmat == NULL) {
cout << "Error opening file " << file << endl;
return(RETURN_ERROR);
}
else cout << "Opening " << file << " ...
// go through the content
int ndir;
const char **dir;
dir = (const char **)matGetDir(pmat, &ndir);
if (dir == NULL) {
cout << "Error reading directory of file " << file << endl;
return(RETURN_ERROR);
}
else {
cout << endl << "Directory of " << file << endl;
for (int i=0; i < ndir; i++) cout << dir[i] << endl;
}
cout << endl;
// more about z
mxArray *z = matGetVariableInfo(pmat, "z");
const mwSize *dims = mxGetDimensions(z);
cout << "z is " << mxGetClassName(z) << " with dimensions ";
for (mwSize c = 0; c < mxGetNumberOfDimensions(z); c++) cout << ((c == 0)? "":" x ") << dims[c];
cout << endl << "total number of elements : " << mxGetNumberOfElements(z) << endl;
// go for elements
for (mwIndex index = 0; index < mxGetNumberOfElements(z); index++) {
const mxArray *cell = mxGetCell(z, index);
if (cell != NULL) {
cout << " element " << index + 1 << " : " << mxGetClassName(cell);
const mwSize *cell_dims = mxGetDimensions(cell);
for (mwSize c = 0; c < mxGetNumberOfDimensions(cell); c++) cout << ((c == 0)? " ":" x ") << cell_dims[c];
cout << endl << "mxIsStruct :" << mxIsStruct(cell);
cout << endl << "mxIsDouble :" << mxIsDouble(cell);
cout << endl << "mxIsComplex :" << mxIsComplex(cell);
cout << endl << "mxIsCell :" << mxIsCell(cell);
cout << endl << "rows :" << mxGetM(cell);
cout << endl << "columns :" << mxGetN(cell);
double *data = (double *) mxGetData(cell);
// get an item
int x = 2;
int y = 73456;
mwIndex *xy_index = (mwIndex *)mxCalloc(2, sizeof(mwSize));
xy_index[0] = x;
xy_index[1] = y;
mwIndex index = mxCalcSingleSubscript(cell, mxGetNumberOfDimensions(cell), xy_index);
mxFree(xy_index);
if (data == NULL) cout << endl << "can't get data" << endl;
else cout << endl << " [" << x << ", " << y << "] = " ;
// destroy xy_index
mxFree(xy_index);
}
}
mxDestroyArray(z);
mxFree(dir);
// close file
if (matClose(pmat) != 0) {
cout << "Error closing file " << file << endl;
return(RETURN_ERROR);
}
cout << endl << "=== DONE ===" << endl;
return(RETURN_OK);
}
