func (f *File) readStruct(array *C.mxArray, ivalue reflect.Value) error {
if C.mxSTRUCT_CLASS != C.mxGetClassID(array) {
return errors.New("expected to find a structure")
}
if C.mxGetM(array)*C.mxGetN(array) != 1 {
return errors.New("expected to find one structure")
}
typo := ivalue.Type()
count := typo.NumField()
if count != int(C.mxGetNumberOfFields(array)) {
return errors.New("expected to find all fields of the structure")
}
for i := 0; i < count; i++ {
field := typo.Field(i)
name := C.CString(field.Name)
defer C.free(unsafe.Pointer(name))
farray := C.mxGetField(array, 0, name)
if farray == nil {
return errors.New("cannot read a field of the structure")
}
if err := f.readObject(farray, ivalue.Field(i)); err != nil {
return err
}
}
return nil
}
func (f *File) readArray(array *C.mxArray, ivalue reflect.Value) error {
parray := unsafe.Pointer(C.mxGetPr(array))
if parray == nil {
return errors.New("cannot read the variable")
}
count := C.mxGetM(array) * C.mxGetN(array)
size, ok := classSizeMapping[C.mxGetClassID(array)]
if !ok {
return errors.New("encountered an unsupported data type")
}
if ivalue.Kind() == reflect.Slice {
return readSlice(ivalue, parray, count, size)
} else {
if count != 1 {
return errors.New("expected to find a scalar")
}
return readScalar(ivalue, parray)
}
}