internal RedisResponse Parse()
{
var line = ParseLine(out char marker);
if (marker.Equals('-'))
{
throw new Exception(line);
}
var buffer = new RedisResponseBuffer();
switch (marker)
{
case '$':
ParseBulkReply(buffer, line);
break;
case '*':
ParseMultiBulkReply(buffer, line);
break;
case ':':
case '+':
buffer.Push(line);
break;
default:
throw new InvalidDataException($"Unknown Response Marker received. Response Marker \"{marker}\" is not supported.");
}
return(buffer.ToResponse());
}
private void ParseBulkReply(RedisResponseBuffer buffer, string line)
{
if (!int.TryParse(line, out int length))
{
throw new InvalidDataException($"Expected Bulk Reply to indicate stream length. Received \"{line}\"");
}
if (length.Equals(-1))
{
buffer.PushEmpty();
}
else
{
buffer.Push(ParseLine(length));
}
}
private void ParseMultiBulkReply(RedisResponseBuffer buffer, string line)
{
if (!int.TryParse(line, out int count))
{
throw new InvalidDataException($"Expected Multi Bulk Reply to indicate result count. Received \"{line}\"");
}
for (int index = 0; index < count; index++)
{
var multiline = ParseLine(out char marker);
if (!marker.Equals(':') && !marker.Equals('$') && !marker.Equals('*'))
{
buffer.PushEmpty(index);
continue;
}
if (marker.Equals(':'))
{
buffer.Push(index, multiline);
continue;
}
if (marker.Equals('*'))
{
ParseMultiBulkReply(buffer, multiline);
continue;
}
if (!int.TryParse(multiline, out int length) || length.Equals(-1))
{
buffer.PushEmpty(index);
}
else
{
buffer.Push(index, ParseLine(length));
}
}
}