import bt2
from bt2 import native_bt, utils, object
-import bt2.stream_class
-import bt2.field_class
+from bt2 import stream_class as bt2_stream_class
+from bt2 import field_class as bt2_field_class
+from bt2 import trace as bt2_trace
+from bt2 import trace_class as bt2_trace_class
import collections.abc
import functools
-class _StreamClassIterator(collections.abc.Iterator):
- def __init__(self, trace_class):
- self._trace_class = trace_class
- self._at = 0
-
- def __next__(self):
- if self._at == len(self._trace_class):
- raise StopIteration
-
- borrow_stream_class_fn = (
- native_bt.trace_class_borrow_stream_class_by_index_const
- )
- sc_ptr = borrow_stream_class_fn(self._trace_class._ptr, self._at)
- assert sc_ptr
- id = native_bt.stream_class_get_id(sc_ptr)
- assert id >= 0
- self._at += 1
- return id
-
-
def _trace_class_destruction_listener_from_native(user_listener, trace_class_ptr):
- trace_class = bt2.trace_class._TraceClass._create_from_ptr_and_get_ref(
+ trace_class = bt2_trace_class._TraceClass._create_from_ptr_and_get_ref(
trace_class_ptr
)
user_listener(trace_class)
trace_ptr = native_bt.trace_create(self._ptr)
if trace_ptr is None:
- raise bt2.MemoryError('cannot create trace class object')
+ raise bt2._MemoryError('cannot create trace class object')
- trace = bt2.trace._Trace._create_from_ptr(trace_ptr)
+ trace = bt2_trace._Trace._create_from_ptr(trace_ptr)
if name is not None:
trace._name = name
if sc_ptr is None:
raise KeyError(key)
- return bt2.stream_class._StreamClass._create_from_ptr_and_get_ref(sc_ptr)
+ return bt2_stream_class._StreamClass._create_from_ptr_and_get_ref(sc_ptr)
def __iter__(self):
for idx in range(len(self)):
utils._check_uint64(id)
sc_ptr = native_bt.stream_class_create_with_id(self._ptr, id)
- sc = bt2.stream_class._StreamClass._create_from_ptr(sc_ptr)
+ sc = bt2_stream_class._StreamClass._create_from_ptr(sc_ptr)
if name is not None:
sc._name = name
# Field class creation methods.
- def _check_create_status(self, ptr, type_name):
+ def _check_field_class_create_status(self, ptr, type_name):
if ptr is None:
- raise bt2.MemoryError('cannot create {} field class'.format(type_name))
+ raise bt2._MemoryError('cannot create {} field class'.format(type_name))
+
+ def create_bool_field_class(self):
+ field_class_ptr = native_bt.field_class_bool_create(self._ptr)
+ self._check_field_class_create_status(field_class_ptr, 'boolean')
+
+ return bt2_field_class._BoolFieldClass._create_from_ptr(field_class_ptr)
def _create_integer_field_class(
self, create_func, py_cls, type_name, field_value_range, preferred_display_base
):
field_class_ptr = create_func(self._ptr)
- self._check_create_status(field_class_ptr, type_name)
+ self._check_field_class_create_status(field_class_ptr, type_name)
field_class = py_cls._create_from_ptr(field_class_ptr)
):
return self._create_integer_field_class(
native_bt.field_class_integer_signed_create,
- bt2.field_class._SignedIntegerFieldClass,
+ bt2_field_class._SignedIntegerFieldClass,
'signed integer',
field_value_range,
preferred_display_base,
):
return self._create_integer_field_class(
native_bt.field_class_integer_unsigned_create,
- bt2.field_class._UnsignedIntegerFieldClass,
+ bt2_field_class._UnsignedIntegerFieldClass,
'unsigned integer',
field_value_range,
preferred_display_base,
):
return self._create_integer_field_class(
native_bt.field_class_enumeration_signed_create,
- bt2.field_class._SignedEnumerationFieldClass,
+ bt2_field_class._SignedEnumerationFieldClass,
'signed enumeration',
field_value_range,
preferred_display_base,
):
return self._create_integer_field_class(
native_bt.field_class_enumeration_unsigned_create,
- bt2.field_class._UnsignedEnumerationFieldClass,
+ bt2_field_class._UnsignedEnumerationFieldClass,
'unsigned enumeration',
field_value_range,
preferred_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')
+ self._check_field_class_create_status(field_class_ptr, 'real')
- field_class = bt2.field_class._RealFieldClass._create_from_ptr(field_class_ptr)
+ field_class = bt2_field_class._RealFieldClass._create_from_ptr(field_class_ptr)
field_class._is_single_precision = is_single_precision
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')
+ self._check_field_class_create_status(field_class_ptr, 'structure')
- return bt2.field_class._StructureFieldClass._create_from_ptr(field_class_ptr)
+ return bt2_field_class._StructureFieldClass._create_from_ptr(field_class_ptr)
def create_string_field_class(self):
field_class_ptr = native_bt.field_class_string_create(self._ptr)
- self._check_create_status(field_class_ptr, 'string')
+ self._check_field_class_create_status(field_class_ptr, 'string')
- return bt2.field_class._StringFieldClass._create_from_ptr(field_class_ptr)
+ return bt2_field_class._StringFieldClass._create_from_ptr(field_class_ptr)
def create_static_array_field_class(self, elem_fc, length):
- utils._check_type(elem_fc, bt2.field_class._FieldClass)
+ utils._check_type(elem_fc, bt2_field_class._FieldClass)
utils._check_uint64(length)
ptr = native_bt.field_class_array_static_create(self._ptr, elem_fc._ptr, length)
- self._check_create_status(ptr, 'static array')
+ self._check_field_class_create_status(ptr, 'static array')
- return bt2.field_class._StaticArrayFieldClass._create_from_ptr_and_get_ref(ptr)
+ return bt2_field_class._StaticArrayFieldClass._create_from_ptr_and_get_ref(ptr)
def create_dynamic_array_field_class(self, elem_fc, length_fc=None):
- utils._check_type(elem_fc, bt2.field_class._FieldClass)
+ utils._check_type(elem_fc, bt2_field_class._FieldClass)
length_fc_ptr = None
if length_fc is not None:
- utils._check_type(length_fc, bt2.field_class._UnsignedIntegerFieldClass)
+ utils._check_type(length_fc, bt2_field_class._UnsignedIntegerFieldClass)
length_fc_ptr = length_fc._ptr
ptr = native_bt.field_class_array_dynamic_create(
self._ptr, elem_fc._ptr, length_fc_ptr
)
- self._check_create_status(ptr, 'dynamic array')
- return bt2.field_class._DynamicArrayFieldClass._create_from_ptr(ptr)
+ self._check_field_class_create_status(ptr, 'dynamic array')
+ return bt2_field_class._DynamicArrayFieldClass._create_from_ptr(ptr)
+
+ def create_option_field_class(self, content_fc, selector_fc=None):
+ utils._check_type(content_fc, bt2_field_class._FieldClass)
+
+ selector_fc_ptr = None
+
+ if selector_fc is not None:
+ utils._check_type(selector_fc, bt2_field_class._BoolFieldClass)
+ selector_fc_ptr = selector_fc._ptr
+
+ ptr = native_bt.field_class_option_create(
+ self._ptr, content_fc._ptr, selector_fc_ptr
+ )
+ self._check_field_class_create_status(ptr, 'option')
+ return bt2_field_class._create_field_class_from_ptr_and_get_ref(ptr)
def create_variant_field_class(self, selector_fc=None):
selector_fc_ptr = None
if selector_fc is not None:
- utils._check_type(selector_fc, bt2.field_class._IntegerFieldClass)
+ utils._check_type(selector_fc, bt2_field_class._IntegerFieldClass)
selector_fc_ptr = selector_fc._ptr
ptr = native_bt.field_class_variant_create(self._ptr, selector_fc_ptr)
- self._check_create_status(ptr, 'variant')
- return bt2.field_class._create_field_class_from_ptr_and_get_ref(ptr)
+ self._check_field_class_create_status(ptr, 'variant')
+ return bt2_field_class._create_field_class_from_ptr_and_get_ref(ptr)
# Add a listener to be called when the trace class is destroyed.
status, 'cannot add destruction listener to trace class object'
)
- return bt2._ListenerHandle(listener_id, self)
+ return utils._ListenerHandle(listener_id, self)
projects / babeltrace.git / blobdiff