| 2204 | |
| 2205 | # Fast Binary Encoding StructSimple model |
| 2206 | class StructSimpleModel(fbe.Model): |
| 2207 | __slots__ = "_model", |
| 2208 | |
| 2209 | def __init__(self, buffer=None): |
| 2210 | super().__init__(buffer) |
| 2211 | self._model = FieldModelStructSimple(self.buffer, 4) |
| 2212 | |
| 2213 | @property |
| 2214 | def model(self): |
| 2215 | return self._model |
| 2216 | |
| 2217 | # Get the model size |
| 2218 | @property |
| 2219 | def fbe_size(self): |
| 2220 | return self._model.fbe_size + self._model.fbe_extra |
| 2221 | |
| 2222 | # Get the model type |
| 2223 | @property |
| 2224 | def fbe_type(self): |
| 2225 | return self.TYPE |
| 2226 | |
| 2227 | TYPE = FieldModelStructSimple.TYPE |
| 2228 | |
| 2229 | # Check if the struct value is valid |
| 2230 | def verify(self): |
| 2231 | if (self.buffer.offset + self._model.fbe_offset - 4) > self.buffer.size: |
| 2232 | return False |
| 2233 | |
| 2234 | fbe_full_size = self.read_uint32(self._model.fbe_offset - 4) |
| 2235 | if fbe_full_size < self._model.fbe_size: |
| 2236 | return False |
| 2237 | |
| 2238 | return self._model.verify() |
| 2239 | |
| 2240 | # Create a new model (begin phase) |
| 2241 | def create_begin(self): |
| 2242 | fbe_begin = self.buffer.allocate(4 + self._model.fbe_size) |
| 2243 | return fbe_begin |
| 2244 | |
| 2245 | # Create a new model (end phase) |
| 2246 | def create_end(self, fbe_begin): |
| 2247 | fbe_end = self.buffer.size |
| 2248 | fbe_full_size = fbe_end - fbe_begin |
| 2249 | self.write_uint32(self._model.fbe_offset - 4, fbe_full_size) |
| 2250 | return fbe_full_size |
| 2251 | |
| 2252 | # Serialize the struct value |
| 2253 | def serialize(self, value): |
| 2254 | fbe_begin = self.create_begin() |
| 2255 | self._model.set(value) |
| 2256 | fbe_full_size = self.create_end(fbe_begin) |
| 2257 | return fbe_full_size |
| 2258 | |
| 2259 | # Deserialize the struct value |
| 2260 | def deserialize(self, value=None): |
| 2261 | if value is None: |
| 2262 | value = StructSimple() |
| 2263 | |