| 763 | |
| 764 | # Fast Binary Encoding Order model |
| 765 | class OrderModel(fbe.Model): |
| 766 | __slots__ = "_model", |
| 767 | |
| 768 | def __init__(self, buffer=None): |
| 769 | super().__init__(buffer) |
| 770 | self._model = FieldModelOrder(self.buffer, 4) |
| 771 | |
| 772 | @property |
| 773 | def model(self): |
| 774 | return self._model |
| 775 | |
| 776 | # Get the model size |
| 777 | @property |
| 778 | def fbe_size(self): |
| 779 | return self._model.fbe_size + self._model.fbe_extra |
| 780 | |
| 781 | # Get the model type |
| 782 | @property |
| 783 | def fbe_type(self): |
| 784 | return self.TYPE |
| 785 | |
| 786 | TYPE = FieldModelOrder.TYPE |
| 787 | |
| 788 | # Check if the struct value is valid |
| 789 | def verify(self): |
| 790 | if (self.buffer.offset + self._model.fbe_offset - 4) > self.buffer.size: |
| 791 | return False |
| 792 | |
| 793 | fbe_full_size = self.read_uint32(self._model.fbe_offset - 4) |
| 794 | if fbe_full_size < self._model.fbe_size: |
| 795 | return False |
| 796 | |
| 797 | return self._model.verify() |
| 798 | |
| 799 | # Create a new model (begin phase) |
| 800 | def create_begin(self): |
| 801 | fbe_begin = self.buffer.allocate(4 + self._model.fbe_size) |
| 802 | return fbe_begin |
| 803 | |
| 804 | # Create a new model (end phase) |
| 805 | def create_end(self, fbe_begin): |
| 806 | fbe_end = self.buffer.size |
| 807 | fbe_full_size = fbe_end - fbe_begin |
| 808 | self.write_uint32(self._model.fbe_offset - 4, fbe_full_size) |
| 809 | return fbe_full_size |
| 810 | |
| 811 | # Serialize the struct value |
| 812 | def serialize(self, value): |
| 813 | fbe_begin = self.create_begin() |
| 814 | self._model.set(value) |
| 815 | fbe_full_size = self.create_end(fbe_begin) |
| 816 | return fbe_full_size |
| 817 | |
| 818 | # Deserialize the struct value |
| 819 | def deserialize(self, value=None): |
| 820 | if value is None: |
| 821 | value = Order() |
| 822 | |