json_matrix_info_by_path Subroutine

private subroutine json_matrix_info_by_path(json, p, path, is_matrix, found, var_type, n_sets, set_size, name)

Returns matrix information about a json_value, given the path.

See also

Arguments

Type IntentOptional AttributesName
class(json_core), intent(inout) :: json
type(json_value), pointer:: p

a JSON linked list

character(kind=CK,len=*), intent(in) :: path

path to the variable

logical(kind=LK), intent(out) :: is_matrix

true if it is a valid matrix

logical(kind=LK), intent(out), optional :: found

true if it was found

integer(kind=IK), intent(out), optional :: var_type

variable type of data in the matrix (if all elements have the same type)

integer(kind=IK), intent(out), optional :: n_sets

number of data sets (i.e., matrix rows if using row-major order)

integer(kind=IK), intent(out), optional :: set_size

size of each data set (i.e., matrix cols if using row-major order)

character(kind=CK,len=:), intent(out), optional allocatable:: name

variable name



Source Code

    subroutine json_matrix_info_by_path(json,p,path,is_matrix,found,&
                                        var_type,n_sets,set_size,name)

    implicit none

    class(json_core),intent(inout)      :: json
    type(json_value),pointer            :: p         !! a JSON linked list
    character(kind=CK,len=*),intent(in) :: path      !! path to the variable
    logical(LK),intent(out)             :: is_matrix !! true if it is a valid matrix
    logical(LK),intent(out),optional    :: found     !! true if it was found
    integer(IK),intent(out),optional    :: var_type  !! variable type of data in
                                                     !! the matrix (if all elements have
                                                     !! the same type)
    integer(IK),intent(out),optional    :: n_sets    !! number of data sets (i.e., matrix
                                                     !! rows if using row-major order)
    integer(IK),intent(out),optional    :: set_size  !! size of each data set (i.e., matrix
                                                     !! cols if using row-major order)
    character(kind=CK,len=:),allocatable,intent(out),optional :: name !! variable name

    type(json_value),pointer :: p_var
    logical(LK) :: ok
#if defined __GFORTRAN__
    character(kind=CK,len=:),allocatable :: p_name
#endif

    call json%get(p,path,p_var,found)

    !check if it was found:
    if (present(found)) then
        ok = found
    else
        ok = .not. json%failed()
    end if

    if (.not. ok) then
        if (present(var_type)) var_type = json_unknown
        if (present(n_sets))   n_sets   = 0
        if (present(set_size)) set_size = 0
        if (present(name))     name     = ''
    else

        !get info about the variable:
#if defined __GFORTRAN__
        call json%matrix_info(p_var,is_matrix,var_type,n_sets,set_size)
        if (present(name)) then !workaround for gfortran bug
            if (allocated(p_var%name)) then
                p_name = p_var%name
                name = p_name
            else
                name = ''
            end if
        end if
#else
        call json%matrix_info(p_var,is_matrix,var_type,n_sets,set_size,name)
#endif
        if (json%failed() .and. present(found)) then
            found = .false.
            call json%clear_exceptions()
        end if
    end if

    end subroutine json_matrix_info_by_path


add_variables_to_input annotate_invalid_json compact_real_string default_comp_ucs4 default_join_ucs4 default_neq_ucs4 destroy_json_core destroy_json_data escape_string get_current_line_from_file_sequential get_current_line_from_file_stream get_json_core_in_file initialize_json_core initialize_json_core_in_file initialize_json_file initialize_json_file_v2 integer_to_string json_check_for_errors json_clear_exceptions json_clone json_core json_count json_failed json_file json_file_check_for_errors json_file_clear_exceptions json_file_destroy json_file_failed json_file_get_double json_file_get_double_vec json_file_get_integer json_file_get_integer_vec json_file_get_logical json_file_get_logical_vec json_file_get_object json_file_get_root json_file_get_string json_file_get_string_vec json_file_load json_file_load_from_string json_file_move_pointer json_file_print_1 json_file_print_2 json_file_print_error_message json_file_print_to_console json_file_print_to_string json_file_traverse json_file_update_integer json_file_update_logical json_file_update_real json_file_update_string json_file_update_string_name_ascii json_file_update_string_val_ascii json_file_variable_info json_file_variable_matrix_info json_get_array json_get_array_with_path json_get_by_path json_get_double json_get_double_vec json_get_double_vec_with_path json_get_double_with_path json_get_integer json_get_integer_vec json_get_integer_vec_with_path json_get_integer_with_path json_get_logical json_get_logical_vec json_get_logical_vec_with_path json_get_logical_with_path json_get_next json_get_parent json_get_path json_get_previous json_get_string json_get_string_vec json_get_string_vec_with_path json_get_string_with_path json_get_tail json_info json_info_by_path json_initialize json_matrix_info json_matrix_info_by_path json_parse_file json_parse_string json_print_1 json_print_2 json_print_error_message json_throw_exception json_traverse json_update_double json_update_integer json_update_logical json_update_string json_update_string_name_ascii json_update_string_val_ascii json_value_add_double json_value_add_double_vec json_value_add_integer json_value_add_integer_vec json_value_add_logical json_value_add_logical_vec json_value_add_member json_value_add_null json_value_add_string json_value_add_string_name_ascii json_value_add_string_val_ascii json_value_add_string_vec json_value_add_string_vec_name_ascii json_value_add_string_vec_val_ascii json_value_clone_func json_value_create json_value_create_array json_value_create_double json_value_create_integer json_value_create_logical json_value_create_null json_value_create_object json_value_create_string json_value_destroy json_value_get_by_index json_value_get_by_name_chars json_value_get_child json_value_insert_after json_value_insert_after_child_by_index json_value_is_child_of json_value_print json_value_remove json_value_remove_if_present json_value_rename json_value_swap json_value_to_string json_value_validate lowercase_character lowercase_string name_equal parse_array parse_for_chars parse_number parse_object parse_string parse_value pop_char print_json_variable push_char read_file real_to_string rename set_json_core_in_file string_to_double string_to_integer test_1 test_10 test_11 test_12 test_13 test_14 test_15 test_16 test_17 test_18 test_19 test_2 test_20 test_3 test_4 test_5 test_6 test_7 test_8 test_9 to_array to_double to_integer to_logical to_null to_object to_string to_uni to_uni_vec to_unicode ucs4_comp_default ucs4_join_default ucs4_neq_default unescape_string valid_json_hex wrap_json_file_get_double wrap_json_file_get_double_vec wrap_json_file_get_integer wrap_json_file_get_integer_vec wrap_json_file_get_logical wrap_json_file_get_logical_vec wrap_json_file_get_object wrap_json_file_get_string wrap_json_file_get_string_vec wrap_json_file_load_from_string wrap_json_file_update_integer wrap_json_file_update_logical wrap_json_file_update_real wrap_json_file_update_string wrap_json_file_variable_info wrap_json_file_variable_matrix_info wrap_json_get_array_with_path wrap_json_get_by_path wrap_json_get_double_vec_with_path wrap_json_get_double_with_path wrap_json_get_integer_vec_with_path wrap_json_get_integer_with_path wrap_json_get_logical_vec_with_path wrap_json_get_logical_with_path wrap_json_get_path wrap_json_get_string_vec_with_path wrap_json_get_string_with_path wrap_json_info_by_path wrap_json_matrix_info_by_path wrap_json_parse_string wrap_json_throw_exception wrap_json_update_double wrap_json_update_integer wrap_json_update_logical wrap_json_update_string wrap_json_value_add_double wrap_json_value_add_double_vec wrap_json_value_add_integer wrap_json_value_add_integer_vec wrap_json_value_add_logical wrap_json_value_add_logical_vec wrap_json_value_add_null wrap_json_value_add_string wrap_json_value_add_string_vec wrap_json_value_create_array wrap_json_value_create_double wrap_json_value_create_integer wrap_json_value_create_logical wrap_json_value_create_null wrap_json_value_create_object wrap_json_value_create_string wrap_json_value_get_by_name_chars wrap_json_value_remove_if_present wrap_json_value_rename