/*
* Create a tuple from a stream containing an tuple encoded in Erlang
* external format.
*
* @param buf the stream containing the encoded tuple.
*
* @exception DecodeException if the buffer does not
* contain a valid external representation of an Erlang tuple.
**/
public Tuple(OtpInputStream buf)
{
int arity = buf.read_tuple_head();
if (arity > 0)
{
this.elems = new Object[arity];
for (int i = 0; i < arity; i++)
{
elems[i] = buf.read_any();
}
}
}
/*
* Create a list from a stream containing an list encoded in Erlang
* external format.
*
* @param buf the stream containing the encoded list.
*
* @exception DecodeException if the buffer does not
* contain a valid external representation of an Erlang list.
**/
public List(OtpInputStream buf)
{
this.elems = null;
int arity = buf.read_list_head();
if (arity > 0)
{
this.elems = new Object[arity];
for (int i = 0; i < arity; i++)
{
elems[i] = buf.read_any();
}
/*discard the terminating nil (empty list) */
buf.read_nil();
}
}
/*
* Read binary data in the Erlang external format, and produce a
* corresponding Erlang data type object. This method is normally
* used when Erlang terms are received in messages, however it
* can also be used for reading terms from disk.
*
* @param buf an input stream containing one or more encoded Erlang
* terms.
*
* @return an object representing one of the Erlang data
* types.
*
* @exception DecodeException if the stream does not
* contain a valid representation of an Erlang term.
**/
public static Object decode(OtpInputStream buf)
{
return buf.read_any();
}
/*
* Create a list from a stream containing an list encoded in Erlang
* external format.
*
* @param buf the stream containing the encoded list.
*
* @exception DecodeException if the buffer does not
* contain a valid external representation of an Erlang list.
**/
public List(OtpInputStream buf)
{
this.elems = null;
int arity = buf.read_list_head();
if (arity > 0)
{
this.elems = new Object[arity];
for (int i = 0; i < arity; i++)
{
elems[i] = buf.read_any();
}
/*discard the terminating nil (empty list) */
buf.read_nil();
}
}
/*
* Read binary data in the Erlang external format, and produce a
* corresponding Erlang data type object. This method is normally
* used when Erlang terms are received in messages, however it
* can also be used for reading terms from disk.
*
* @param buf an input stream containing one or more encoded Erlang
* terms.
*
* @return an object representing one of the Erlang data
* types.
*
* @exception DecodeException if the stream does not
* contain a valid representation of an Erlang term.
**/
public static Object decode(OtpInputStream buf)
{
return(buf.read_any());
}
/*
* Create a tuple from a stream containing an tuple encoded in Erlang
* external format.
*
* @param buf the stream containing the encoded tuple.
*
* @exception DecodeException if the buffer does not
* contain a valid external representation of an Erlang tuple.
**/
public Tuple(OtpInputStream buf)
{
int arity = buf.read_tuple_head();
if (arity > 0)
{
this.elems = new Object[arity];
for (int i = 0; i < arity; i++)
{
elems[i] = buf.read_any();
}
}
}
