raise bt2.CreationError(
'cannot create {} field class'.format(type_name))
+ def _create_integer_field_class(self, create_func, py_cls, type_name, range, display_base):
+ field_class_ptr = create_func(self._ptr)
+ self._check_create_status(field_class_ptr, type_name)
+
+ field_class = py_cls._create_from_ptr(field_class_ptr)
+
+ if range is not None:
+ field_class._range = range
+
+ if display_base is not None:
+ field_class._display_base = display_base
+
+ return field_class
+
+ def create_signed_integer_field_class(self, range=None, display_base=None):
+ return self._create_integer_field_class(native_bt.field_class_signed_integer_create,
+ bt2.field_class.SignedIntegerFieldClass,
+ 'signed integer', range, display_base)
+
+ def create_unsigned_integer_field_class(self, range=None, display_base=None):
+ return self._create_integer_field_class(native_bt.field_class_unsigned_integer_create,
+ bt2.field_class.UnsignedIntegerFieldClass,
+ 'unsigned integer', range, display_base)
+
+ def create_real_field_class(self, is_single_precision=False):
+ field_class_ptr = native_bt.field_class_real_create(self._ptr)
+ self._check_create_status(field_class_ptr, 'real')
+
+ field_class = bt2.field_class.RealFieldClass._create_from_ptr(field_class_ptr)
+
+ field_class._single_precision = is_single_precision
+
+ return field_class
+
def create_structure_field_class(self):
field_class_ptr = native_bt.field_class_structure_create(self._ptr)
self._check_create_status(field_class_ptr, 'structure')