Dataspace

dataspace        ::=  null_dataspace | scalar_dataspace | simple_dataspace
null_dataspace   ::=  "{"
                      "class" ":" "H5S_NULL"
                      "}"
scalar_dataspace ::=  "{"
                      "class" ":" "H5S_SCALAR"
                      "}"
simple_dataspace ::=  "{"
                      "class" ":" "H5S_SIMPLE" ","
                      "dims" ":" dims_array ","
                      "maxdims" ":" maxdims_array
                      "}"

dataspace_selection ::=  "{"
                         "class" ":" selection_class ","
                         "selection" ":" ( hyperslab_selection
                                          | point_selection)
selection_class     ::=   "H5S_SEL_HYPERSLABS"
                        | "H5S_SEL_POINTS"
hyperslab_selection ::=  "[" block_list "]"
block_list          ::=  block ("," block)*
block               ::=  "{"
                         "start" ":" coordinate ","
                         "opposite" ":" coordinate
                         "}"
point_selection     ::=  "[" coordinate_list "]"
coordinate_list     ::=  coordinate ("," coordinate)*
coordinate          ::=  non_negative_integer_array