public void PrepareWrite(object value, NpgsqlBuffer buf, LengthCache lengthCache, NpgsqlParameter parameter)
{
_textHandler.PrepareWrite(value, buf, lengthCache, parameter);
_buf = buf;
_handledVersion = false;
}
public bool Write(ref DirectBuffer directBuf)
{
switch (_state)
{
case State.Count:
if (_buf.WriteSpaceLeft < 4)
{
return(false);
}
_buf.WriteInt32(_value.Count);
if (_value.Count == 0)
{
CleanupState();
return(true);
}
_enumerator = _value.GetEnumerator();
_enumerator.MoveNext();
goto case State.KeyLen;
case State.KeyLen:
_state = State.KeyLen;
if (_buf.WriteSpaceLeft < 4)
{
return(false);
}
var keyLen = _lengthCache.Get();
_buf.WriteInt32(keyLen);
_textHandler.PrepareWrite(_enumerator.Current.Key, _buf, _lengthCache, _parameter);
goto case State.KeyData;
case State.KeyData:
_state = State.KeyData;
if (!_textHandler.Write(ref directBuf))
{
return(false);
}
goto case State.ValueLen;
case State.ValueLen:
_state = State.ValueLen;
if (_buf.WriteSpaceLeft < 4)
{
return(false);
}
if (_enumerator.Current.Value == null)
{
_buf.WriteInt32(-1);
if (!_enumerator.MoveNext())
{
CleanupState();
return(true);
}
goto case State.KeyLen;
}
var valueLen = _lengthCache.Get();
_buf.WriteInt32(valueLen);
_textHandler.PrepareWrite(_enumerator.Current.Value, _buf, _lengthCache, _parameter);
goto case State.ValueData;
case State.ValueData:
_state = State.ValueData;
if (!_textHandler.Write(ref directBuf))
{
return(false);
}
if (!_enumerator.MoveNext())
{
CleanupState();
return(true);
}
goto case State.KeyLen;
default:
throw PGUtil.ThrowIfReached();
}
}