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/* -*- c++ -*- */
/*
* Copyright 2004,2007,2013 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 <gnuradio/io_signature.h>
#include <iostream>
#include <stdexcept>
namespace gr {
gr::io_signature::sptr io_signature::makev(int min_streams,
int max_streams,
const std::vector<int>& sizeof_stream_items)
{
return gr::io_signature::sptr(
new io_signature(min_streams, max_streams, sizeof_stream_items));
}
gr::io_signature::sptr
io_signature::make(int min_streams, int max_streams, int sizeof_stream_item)
{
std::vector<int> sizeof_items(1);
sizeof_items[0] = sizeof_stream_item;
return io_signature::makev(min_streams, max_streams, sizeof_items);
}
gr::io_signature::sptr io_signature::make2(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 io_signature::makev(min_streams, max_streams, sizeof_items);
}
gr::io_signature::sptr io_signature::make3(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 io_signature::makev(min_streams, max_streams, sizeof_items);
}
// ------------------------------------------------------------------------
io_signature::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.empty()) {
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;
}
io_signature::~io_signature() {}
int 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> io_signature::sizeof_stream_items() const
{
return d_sizeof_stream_item;
}
} /* namespace gr */
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