private object DoLen(object target, object[] args)
{
if (args.Length == 0)
{
return(0);
}
Array a = args[0] as Array;
string s = args[0] as string;
DataReader reader = args[0] as DataReader;
IStreamTypeParser parser = args[0] as IStreamTypeParser;
if (s != null)
{
return(s.Length);
}
else if (a != null)
{
return(a.Length);
}
else if (reader != null)
{
return(reader.DataLeft);
}
else if (parser != null)
{
DataWriter writer = new DataWriter();
parser.ToStream(writer, CreateState(target), _logger);
return(writer.BytesWritten);
}
return(0);
}
public void ToWriter(DataFrames.DataWriter writer, DataFrames.DataKey root, Utils.Logger logger)
{
StateDictionary state = new StateDictionary();
try
{
IStreamTypeParser parser = ObjectConverter.FromNode <T>(root, _derivedTypes);
parser.ToStream(writer, state, logger);
}
catch (ThreadAbortException)
{
throw;
}
catch (Exception ex)
{
logger.LogError(CANAPE.Parser.Properties.Resources.GenericStreamParser_WriteException, ex.Message, typeof(T).Name);
throw;
}
}
private byte[] ToBytes(object target, object o, bool littleEndian, Encoding encoding)
{
if (o is byte)
{
return(new byte[1] {
(byte)o
});
}
else if (o is sbyte)
{
return((byte[])(object)(new sbyte[1] {
(sbyte)o
}));
}
else if (o.GetType().IsPrimitive)
{
MemoryStream stm = new MemoryStream();
DataWriter writer = new DataWriter(stm);
writer.WritePrimitive(o, o.GetType(), littleEndian);
return(stm.ToArray());
}
else if (o is byte[])
{
return((byte[])o);
}
else if (o is Array)
{
MemoryStream stm = new MemoryStream();
foreach (object x in ((Array)o))
{
byte[] ba = ToBytes(target, x, littleEndian, encoding);
stm.Write(ba, 0, ba.Length);
}
return(stm.ToArray());
}
else if (o is IStreamTypeParser)
{
MemoryStream stm = new MemoryStream();
DataWriter writer = new DataWriter(stm);
IStreamTypeParser parser = (IStreamTypeParser)o;
parser.ToStream(writer, CreateState(target), _logger);
return(stm.ToArray());
}
else if (o is string)
{
if (encoding != null)
{
return(encoding.GetBytes((string)o));
}
else
{
return(BinaryEncoding.Instance.GetBytes((string)o));
}
}
return(new byte[0]);
}
