root/tlate/thread_value.cc

/*  This file is part of Alue, the multiprotocol Internet discussion daemon

    Copyright © 2009, 2010 Antti-Juhani Kaijanaho

    Alue 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 of the License, or
    (at your option) any later version.

    Alue 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 Alue.  If not, see <http://www.gnu.org/licenses/>.

 */

#include "thread_value.hh"

#include <list>

namespace tlate
{
        thread_value::thread_value(db::thread_node::const_ptr tn,
                                   boost::shared_ptr<const db::user> u)
                : u(u)
        {
                typedef std::list<db::thread_node::ptr> tlnc;

                tnl.push_back(tn);
                for (size_t i = 0; i < tnl.size(); i++)
                {
                        const tlnc &itch = tnl[i]->get_children();
                        for (tlnc::const_iterator jt  = itch.begin();
                             jt != itch.end(); jt++)
                        {
                                tnl.push_back(*jt);
                        }
                }
                std::stable_sort(tnl.begin(), tnl.end(),
                                 db::thread_node::cmp_date);
        }
        void thread_value::slice_window(size_t start, size_t length)
        {
                if (start > tnl.size())
                {
                        tnl.clear();
                        return;
                }
                if (start > 0) tnl.erase(tnl.begin(), tnl.begin()+start);
                if (length < tnl.size())
                        tnl.erase(tnl.begin()+length, tnl.end());
        }
}