/* -*- c++ -*- */
/*
- * Copyright 2004 Free Software Foundation, Inc.
+ * Copyright 2004,2007 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
#include <stdexcept>
#include <iostream>
-gr_io_signature::gr_io_signature (int min_streams, int max_streams, size_t sizeof_stream_item)
+gr_io_signature_sptr
+gr_make_io_signaturev(int min_streams, int max_streams,
+ const std::vector<int> &sizeof_stream_items)
+{
+ return gr_io_signature_sptr (new gr_io_signature (min_streams, max_streams,
+ sizeof_stream_items));
+}
+
+gr_io_signature_sptr
+gr_make_io_signature(int min_streams, int max_streams,
+ int sizeof_stream_item)
+{
+ std::vector<int> sizeof_items(1);
+ sizeof_items[0] = sizeof_stream_item;
+ return gr_make_io_signaturev(min_streams, max_streams, sizeof_items);
+}
+
+gr_io_signature_sptr
+gr_make_io_signature2(int min_streams, int max_streams,
+ int sizeof_stream_item1,
+ int sizeof_stream_item2)
+{
+ std::vector<int> sizeof_items(2);
+ sizeof_items[0] = sizeof_stream_item1;
+ sizeof_items[1] = sizeof_stream_item2;
+ return gr_make_io_signaturev(min_streams, max_streams, sizeof_items);
+}
+
+gr_io_signature_sptr
+gr_make_io_signature3(int min_streams, int max_streams,
+ int sizeof_stream_item1,
+ int sizeof_stream_item2,
+ int sizeof_stream_item3)
+{
+ std::vector<int> sizeof_items(3);
+ sizeof_items[0] = sizeof_stream_item1;
+ sizeof_items[1] = sizeof_stream_item2;
+ sizeof_items[2] = sizeof_stream_item3;
+ return gr_make_io_signaturev(min_streams, max_streams, sizeof_items);
+}
+
+// ------------------------------------------------------------------------
+
+
+gr_io_signature::gr_io_signature (int min_streams, int max_streams,
+ const std::vector<int> &sizeof_stream_items)
{
if (min_streams < 0
|| (max_streams != IO_INFINITE && max_streams < min_streams))
- throw std::invalid_argument ("gr_io_signature");
+ throw std::invalid_argument ("gr_io_signature(1)");
+ if (sizeof_stream_items.size() < 1)
+ throw std::invalid_argument("gr_io_signature(2)");
+
+ for (size_t i = 0; i < sizeof_stream_items.size(); i++){
+ if (max_streams != 0 && sizeof_stream_items[i] < 1)
+ throw std::invalid_argument("gr_io_signature(3)");
+ }
+
d_min_streams = min_streams;
d_max_streams = max_streams;
- d_sizeof_stream_item = sizeof_stream_item;
+ d_sizeof_stream_item = sizeof_stream_items;
}
gr_io_signature::~gr_io_signature ()
{
- // NOP for now
- // std::cout << "destroying gr_io_signature: " << this << '\n';
}
-gr_io_signature_sptr
-gr_make_io_signature (int min_streams, int max_streams, size_t sizeof_stream_item)
+int
+gr_io_signature::sizeof_stream_item (int _index) const
{
- return gr_io_signature_sptr (new gr_io_signature (min_streams, max_streams,
- sizeof_stream_item));
+ if (_index < 0)
+ throw std::invalid_argument ("gr_io_signature::sizeof_stream_item");
+
+ size_t index = _index;
+ return d_sizeof_stream_item[std::min(index, d_sizeof_stream_item.size() - 1)];
}
-
+std::vector<int>
+gr_io_signature::sizeof_stream_items() const
+{
+ return d_sizeof_stream_item;
+}