/* -*- c++ -*- */

/*

 * Copyright 2006,2007,2009 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.

 */

#ifndef INCLUDED_GR_HIER_BLOCK2_DETAIL_H

#define INCLUDED_GR_HIER_BLOCK2_DETAIL_H

#include <gr_hier_block2.h>

#include <gr_flat_flowgraph.h>

#include <boost/utility.hpp>

class gr_hier_block2_detail : boost::noncopyable

{

public:

  gr_hier_block2_detail(gr_hier_block2 *owner);

  ~gr_hier_block2_detail();

  void connect(gr_basic_block_sptr block);

  void connect(gr_basic_block_sptr src, int src_port, 

               gr_basic_block_sptr dst, int dst_port);

  void disconnect(gr_basic_block_sptr block);

  void disconnect(gr_basic_block_sptr, int src_port, 

                  gr_basic_block_sptr, int dst_port);

  void disconnect_all();

  void lock();

  void unlock();

  void flatten_aux(gr_flat_flowgraph_sptr sfg) const;

private:

  // Private implementation data

  gr_hier_block2 *d_owner;

  gr_hier_block2_detail *d_parent_detail;

  gr_flowgraph_sptr d_fg;

  std::vector<gr_endpoint_vector_t> d_inputs; // Multiple internal endpoints per external input

  gr_endpoint_vector_t d_outputs;             // Single internal endpoint per external output

  gr_basic_block_vector_t d_blocks;

  void connect_input(int my_port, int port, gr_basic_block_sptr block);

  void connect_output(int my_port, int port, gr_basic_block_sptr block);

  void disconnect_input(int my_port, int port, gr_basic_block_sptr block);

  void disconnect_output(int my_port, int port, gr_basic_block_sptr block);

  gr_endpoint_vector_t resolve_port(int port, bool is_input);

  gr_endpoint_vector_t resolve_endpoint(const gr_endpoint &endp, bool is_input) const;

};

#endif /* INCLUDED_GR_HIER_BLOCK2_DETAIL_H */