Edit File: unknown_fields.py
# Protocol Buffers - Google's data interchange format # Copyright 2008 Google Inc. All rights reserved. # https://developers.google.com/protocol-buffers/ # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are # met: # # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # * Redistributions in binary form must reproduce the above # copyright notice, this list of conditions and the following disclaimer # in the documentation and/or other materials provided with the # distribution. # * Neither the name of Google Inc. nor the names of its # contributors may be used to endorse or promote products derived from # this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. """Contains Unknown Fields APIs. Simple usage example: unknown_field_set = UnknownFieldSet(message) for unknown_field in unknown_field_set: wire_type = unknown_field.wire_type field_number = unknown_field.field_number data = unknown_field.data """ from google.protobuf.internal import api_implementation if api_implementation._c_module is not None: # pylint: disable=protected-access UnknownFieldSet = api_implementation._c_module.UnknownFieldSet # pylint: disable=protected-access else: from google.protobuf.internal import decoder # pylint: disable=g-import-not-at-top from google.protobuf.internal import wire_format # pylint: disable=g-import-not-at-top class UnknownField: """A parsed unknown field.""" # Disallows assignment to other attributes. __slots__ = ['_field_number', '_wire_type', '_data'] def __init__(self, field_number, wire_type, data): self._field_number = field_number self._wire_type = wire_type self._data = data return @property def field_number(self): return self._field_number @property def wire_type(self): return self._wire_type @property def data(self): return self._data class UnknownFieldSet: """UnknownField container.""" # Disallows assignment to other attributes. __slots__ = ['_values'] def __init__(self, msg): def InternalAdd(field_number, wire_type, data): unknown_field = UnknownField(field_number, wire_type, data) self._values.append(unknown_field) self._values = [] msg_des = msg.DESCRIPTOR # pylint: disable=protected-access unknown_fields = msg._unknown_fields if (msg_des.has_options and msg_des.GetOptions().message_set_wire_format): local_decoder = decoder.UnknownMessageSetItemDecoder() for _, buffer in unknown_fields: (field_number, data) = local_decoder(memoryview(buffer)) InternalAdd(field_number, wire_format.WIRETYPE_LENGTH_DELIMITED, data) else: for tag_bytes, buffer in unknown_fields: # pylint: disable=protected-access (tag, _) = decoder._DecodeVarint(tag_bytes, 0) field_number, wire_type = wire_format.UnpackTag(tag) if field_number == 0: raise RuntimeError('Field number 0 is illegal.') (data, _) = decoder._DecodeUnknownField( memoryview(buffer), 0, wire_type) InternalAdd(field_number, wire_type, data) def __getitem__(self, index): size = len(self._values) if index < 0: index += size if index < 0 or index >= size: raise IndexError('index %d out of range'.index) return self._values[index] def __len__(self): return len(self._values) def __iter__(self): return iter(self._values)
Back to File Manager