| 7965 | |
| 7966 | # Fast Binary Encoding StructNested model |
| 7967 | class StructNestedModel(fbe.Model): |
| 7968 | __slots__ = "_model", |
| 7969 | |
| 7970 | def __init__(self, buffer=None): |
| 7971 | super().__init__(buffer) |
| 7972 | self._model = FieldModelStructNested(self.buffer, 4) |
| 7973 | |
| 7974 | @property |
| 7975 | def model(self): |
| 7976 | return self._model |
| 7977 | |
| 7978 | # Get the model size |
| 7979 | @property |
| 7980 | def fbe_size(self): |
| 7981 | return self._model.fbe_size + self._model.fbe_extra |
| 7982 | |
| 7983 | # Get the model type |
| 7984 | @property |
| 7985 | def fbe_type(self): |
| 7986 | return self.TYPE |
| 7987 | |
| 7988 | TYPE = FieldModelStructNested.TYPE |
| 7989 | |
| 7990 | # Check if the struct value is valid |
| 7991 | def verify(self): |
| 7992 | if (self.buffer.offset + self._model.fbe_offset - 4) > self.buffer.size: |
| 7993 | return False |
| 7994 | |
| 7995 | fbe_full_size = self.read_uint32(self._model.fbe_offset - 4) |
| 7996 | if fbe_full_size < self._model.fbe_size: |
| 7997 | return False |
| 7998 | |
| 7999 | return self._model.verify() |
| 8000 | |
| 8001 | # Create a new model (begin phase) |
| 8002 | def create_begin(self): |
| 8003 | fbe_begin = self.buffer.allocate(4 + self._model.fbe_size) |
| 8004 | return fbe_begin |
| 8005 | |
| 8006 | # Create a new model (end phase) |
| 8007 | def create_end(self, fbe_begin): |
| 8008 | fbe_end = self.buffer.size |
| 8009 | fbe_full_size = fbe_end - fbe_begin |
| 8010 | self.write_uint32(self._model.fbe_offset - 4, fbe_full_size) |
| 8011 | return fbe_full_size |
| 8012 | |
| 8013 | # Serialize the struct value |
| 8014 | def serialize(self, value): |
| 8015 | fbe_begin = self.create_begin() |
| 8016 | self._model.set(value) |
| 8017 | fbe_full_size = self.create_end(fbe_begin) |
| 8018 | return fbe_full_size |
| 8019 | |
| 8020 | # Deserialize the struct value |
| 8021 | def deserialize(self, value=None): |
| 8022 | if value is None: |
| 8023 | value = StructNested() |
| 8024 | |