| 10731 | |
| 10732 | # Fast Binary Encoding StructVector model |
| 10733 | class StructVectorModel(fbe.Model): |
| 10734 | __slots__ = "_model", |
| 10735 | |
| 10736 | def __init__(self, buffer=None): |
| 10737 | super().__init__(buffer) |
| 10738 | self._model = FieldModelStructVector(self.buffer, 4) |
| 10739 | |
| 10740 | @property |
| 10741 | def model(self): |
| 10742 | return self._model |
| 10743 | |
| 10744 | # Get the model size |
| 10745 | @property |
| 10746 | def fbe_size(self): |
| 10747 | return self._model.fbe_size + self._model.fbe_extra |
| 10748 | |
| 10749 | # Get the model type |
| 10750 | @property |
| 10751 | def fbe_type(self): |
| 10752 | return self.TYPE |
| 10753 | |
| 10754 | TYPE = FieldModelStructVector.TYPE |
| 10755 | |
| 10756 | # Check if the struct value is valid |
| 10757 | def verify(self): |
| 10758 | if (self.buffer.offset + self._model.fbe_offset - 4) > self.buffer.size: |
| 10759 | return False |
| 10760 | |
| 10761 | fbe_full_size = self.read_uint32(self._model.fbe_offset - 4) |
| 10762 | if fbe_full_size < self._model.fbe_size: |
| 10763 | return False |
| 10764 | |
| 10765 | return self._model.verify() |
| 10766 | |
| 10767 | # Create a new model (begin phase) |
| 10768 | def create_begin(self): |
| 10769 | fbe_begin = self.buffer.allocate(4 + self._model.fbe_size) |
| 10770 | return fbe_begin |
| 10771 | |
| 10772 | # Create a new model (end phase) |
| 10773 | def create_end(self, fbe_begin): |
| 10774 | fbe_end = self.buffer.size |
| 10775 | fbe_full_size = fbe_end - fbe_begin |
| 10776 | self.write_uint32(self._model.fbe_offset - 4, fbe_full_size) |
| 10777 | return fbe_full_size |
| 10778 | |
| 10779 | # Serialize the struct value |
| 10780 | def serialize(self, value): |
| 10781 | fbe_begin = self.create_begin() |
| 10782 | self._model.set(value) |
| 10783 | fbe_full_size = self.create_end(fbe_begin) |
| 10784 | return fbe_full_size |
| 10785 | |
| 10786 | # Deserialize the struct value |
| 10787 | def deserialize(self, value=None): |
| 10788 | if value is None: |
| 10789 | value = StructVector() |
| 10790 | |