readValueOfType method Null safety
- int type,
- ReadBuffer buffer
Reads a value of the indicated type
from buffer
.
The codec can be extended by overriding this method, calling super for types that the extension does not handle. See the discussion at writeValue.
Implementation
Object? readValueOfType(int type, ReadBuffer buffer) {
switch (type) {
case _valueNull:
return null;
case _valueTrue:
return true;
case _valueFalse:
return false;
case _valueInt32:
return buffer.getInt32();
case _valueInt64:
return buffer.getInt64();
case _valueFloat64:
return buffer.getFloat64();
case _valueLargeInt:
case _valueString:
final int length = readSize(buffer);
return utf8.decoder.convert(buffer.getUint8List(length));
case _valueUint8List:
final int length = readSize(buffer);
return buffer.getUint8List(length);
case _valueInt32List:
final int length = readSize(buffer);
return buffer.getInt32List(length);
case _valueInt64List:
final int length = readSize(buffer);
return buffer.getInt64List(length);
case _valueFloat32List:
final int length = readSize(buffer);
return buffer.getFloat32List(length);
case _valueFloat64List:
final int length = readSize(buffer);
return buffer.getFloat64List(length);
case _valueList:
final int length = readSize(buffer);
final List<Object?> result = List<Object?>.filled(length, null);
for (int i = 0; i < length; i++) {
result[i] = readValue(buffer);
}
return result;
case _valueMap:
final int length = readSize(buffer);
final Map<Object?, Object?> result = <Object?, Object?>{};
for (int i = 0; i < length; i++) {
result[readValue(buffer)] = readValue(buffer);
}
return result;
default: throw const FormatException('Message corrupted');
}
}