-# The MIT License (MIT)
+# SPDX-License-Identifier: MIT
#
# Copyright (c) 2016-2017 Philippe Proulx <pproulx@efficios.com>
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
from bt2 import native_bt, object, utils
-import bt2.clock_class
-import bt2.event_class
-import bt2.packet
-import bt2.stream
-import bt2.field
-import bt2.clock_snapshot
-import bt2
+from bt2 import event_class as bt2_event_class
+from bt2 import packet as bt2_packet
+from bt2 import stream as bt2_stream
+from bt2 import field as bt2_field
+import collections.abc
+
+
+class _EventConst(object._UniqueObject, collections.abc.Mapping):
+ _borrow_class_ptr = staticmethod(native_bt.event_borrow_class_const)
+ _borrow_packet_ptr = staticmethod(native_bt.event_borrow_packet_const)
+ _borrow_stream_ptr = staticmethod(native_bt.event_borrow_stream_const)
+ _borrow_common_context_field_ptr = staticmethod(
+ native_bt.event_borrow_common_context_field_const
+ )
+ _borrow_specific_context_field_ptr = staticmethod(
+ native_bt.event_borrow_specific_context_field_const
+ )
+ _borrow_payload_field_ptr = staticmethod(native_bt.event_borrow_payload_field_const)
+ _create_field_from_ptr = staticmethod(bt2_field._create_field_from_const_ptr)
+
+ _event_class_pycls = property(lambda _: bt2_event_class._EventClassConst)
+ _packet_pycls = property(lambda _: bt2_packet._PacketConst)
+ _stream_pycls = property(lambda _: bt2_stream._StreamConst)
-
-class _Event(object._UniqueObject):
@property
def cls(self):
- event_class_ptr = native_bt.event_borrow_class(self._ptr)
+ event_class_ptr = self._borrow_class_ptr(self._ptr)
assert event_class_ptr is not None
- return bt2.event_class._EventClass._create_from_ptr_and_get_ref(event_class_ptr)
+ return self._event_class_pycls._create_from_ptr_and_get_ref(event_class_ptr)
@property
def name(self):
@property
def packet(self):
- packet_ptr = native_bt.event_borrow_packet(self._ptr)
+ packet_ptr = self._borrow_packet_ptr(self._ptr)
if packet_ptr is None:
return
- return bt2.packet._Packet._create_from_ptr_and_get_ref(packet_ptr)
+ return self._packet_pycls._create_from_ptr_and_get_ref(packet_ptr)
@property
def stream(self):
- stream_ptr = native_bt.event_borrow_stream(self._ptr)
+ stream_ptr = self._borrow_stream_ptr(self._ptr)
assert stream_ptr is not None
- return bt2.stream._Stream._create_from_ptr_and_get_ref(stream_ptr)
+ return self._stream_pycls._create_from_ptr_and_get_ref(stream_ptr)
@property
def common_context_field(self):
- field_ptr = native_bt.event_borrow_common_context_field(self._ptr)
+ field_ptr = self._borrow_common_context_field_ptr(self._ptr)
if field_ptr is None:
return
- return bt2.field._create_field_from_ptr(
+ return self._create_field_from_ptr(
field_ptr, self._owner_ptr, self._owner_get_ref, self._owner_put_ref
)
@property
def specific_context_field(self):
- field_ptr = native_bt.event_borrow_specific_context_field(self._ptr)
+ field_ptr = self._borrow_specific_context_field_ptr(self._ptr)
if field_ptr is None:
return
- return bt2.field._create_field_from_ptr(
+ return self._create_field_from_ptr(
field_ptr, self._owner_ptr, self._owner_get_ref, self._owner_put_ref
)
@property
def payload_field(self):
- field_ptr = native_bt.event_borrow_payload_field(self._ptr)
+ field_ptr = self._borrow_payload_field_ptr(self._ptr)
if field_ptr is None:
return
- return bt2.field._create_field_from_ptr(
+ return self._create_field_from_ptr(
field_ptr, self._owner_ptr, self._owner_get_ref, self._owner_put_ref
)
if common_context_field is not None and key in common_context_field:
return common_context_field[key]
- packet_context_field = self.packet.context_field
+ if self.packet:
+ packet_context_field = self.packet.context_field
- if packet_context_field is not None and key in packet_context_field:
- return packet_context_field[key]
+ if packet_context_field is not None and key in packet_context_field:
+ return packet_context_field[key]
raise KeyError(key)
+
+ def __iter__(self):
+ # To only yield unique keys, keep a set of member names that are
+ # already yielded. Two root structure fields (for example,
+ # payload and common context) can contain immediate members
+ # which share the same name.
+ member_names = set()
+
+ if self.payload_field is not None:
+ for field_name in self.payload_field:
+ yield field_name
+ member_names.add(field_name)
+
+ if self.specific_context_field is not None:
+ for field_name in self.specific_context_field:
+ if field_name not in member_names:
+ yield field_name
+ member_names.add(field_name)
+
+ if self.common_context_field is not None:
+ for field_name in self.common_context_field:
+ if field_name not in member_names:
+ yield field_name
+ member_names.add(field_name)
+
+ if self.packet and self.packet.context_field is not None:
+ for field_name in self.packet.context_field:
+ if field_name not in member_names:
+ yield field_name
+ member_names.add(field_name)
+
+ def __len__(self):
+ return sum(1 for _ in self)
+
+
+class _Event(_EventConst):
+ _borrow_class_ptr = staticmethod(native_bt.event_borrow_class)
+ _borrow_packet_ptr = staticmethod(native_bt.event_borrow_packet)
+ _borrow_stream_ptr = staticmethod(native_bt.event_borrow_stream)
+ _borrow_common_context_field_ptr = staticmethod(
+ native_bt.event_borrow_common_context_field
+ )
+ _borrow_specific_context_field_ptr = staticmethod(
+ native_bt.event_borrow_specific_context_field
+ )
+ _borrow_payload_field_ptr = staticmethod(native_bt.event_borrow_payload_field)
+ _create_field_from_ptr = staticmethod(bt2_field._create_field_from_ptr)
+
+ _event_class_pycls = property(lambda _: bt2_event_class._EventClass)
+ _packet_pycls = property(lambda _: bt2_packet._Packet)
+ _stream_pycls = property(lambda _: bt2_stream._Stream)
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