3 * Copyright 2004,2007 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
26 #include <gr_io_signature.h>
31 gr_make_io_signaturev(int min_streams, int max_streams,
32 const std::vector<int> &sizeof_stream_items)
34 return gr_io_signature_sptr (new gr_io_signature (min_streams, max_streams,
35 sizeof_stream_items));
39 gr_make_io_signature(int min_streams, int max_streams,
40 int sizeof_stream_item)
42 std::vector<int> sizeof_items(1);
43 sizeof_items[0] = sizeof_stream_item;
44 return gr_make_io_signaturev(min_streams, max_streams, sizeof_items);
48 gr_make_io_signature2(int min_streams, int max_streams,
49 int sizeof_stream_item1,
50 int sizeof_stream_item2)
52 std::vector<int> sizeof_items(2);
53 sizeof_items[0] = sizeof_stream_item1;
54 sizeof_items[1] = sizeof_stream_item2;
55 return gr_make_io_signaturev(min_streams, max_streams, sizeof_items);
59 gr_make_io_signature3(int min_streams, int max_streams,
60 int sizeof_stream_item1,
61 int sizeof_stream_item2,
62 int sizeof_stream_item3)
64 std::vector<int> sizeof_items(3);
65 sizeof_items[0] = sizeof_stream_item1;
66 sizeof_items[1] = sizeof_stream_item2;
67 sizeof_items[2] = sizeof_stream_item3;
68 return gr_make_io_signaturev(min_streams, max_streams, sizeof_items);
71 // ------------------------------------------------------------------------
74 gr_io_signature::gr_io_signature (int min_streams, int max_streams,
75 const std::vector<int> &sizeof_stream_items)
78 || (max_streams != IO_INFINITE && max_streams < min_streams))
79 throw std::invalid_argument ("gr_io_signature(1)");
81 if (sizeof_stream_items.size() < 1)
82 throw std::invalid_argument("gr_io_signature(2)");
84 for (size_t i = 0; i < sizeof_stream_items.size(); i++){
85 if (max_streams != 0 && sizeof_stream_items[i] < 1)
86 throw std::invalid_argument("gr_io_signature(3)");
89 d_min_streams = min_streams;
90 d_max_streams = max_streams;
91 d_sizeof_stream_item = sizeof_stream_items;
94 gr_io_signature::~gr_io_signature ()
99 gr_io_signature::sizeof_stream_item (int _index) const
102 throw std::invalid_argument ("gr_io_signature::sizeof_stream_item");
104 size_t index = _index;
105 return d_sizeof_stream_item[std::min(index, d_sizeof_stream_item.size() - 1)];
109 gr_io_signature::sizeof_stream_items() const
111 return d_sizeof_stream_item;