1 files changed, 112 insertions, 0 deletions
diff --git a/gnuradio-runtime/lib/gr_io_signature.cc b/gnuradio-runtime/lib/gr_io_signature.cc
new file mode 100644
index 0000000000..6ac9acd17d
--- /dev/null
+++ b/gnuradio-runtime/lib/gr_io_signature.cc
@@ -0,0 +1,112 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004,2007 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <gr_io_signature.h>
+#include <stdexcept>
+#include <iostream>
+
+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(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_items;
+}
+
+gr_io_signature::~gr_io_signature ()
+{
+}
+
+int
+gr_io_signature::sizeof_stream_item (int _index) const
+{
+  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;
+}