leafpostlist.cc

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/* Copyright (C) 2007,2009,2011,2013,2014,2017,2024 Olly Betts
 * Copyright (C) 2009 Lemur Consulting Ltd
 *
 * This program 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 2 of the
 * License, or (at your option) any later version.
 *
 * This program 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 this program; if not, see
 * <https://www.gnu.org/licenses/>.
 */
 
#include <config.h>
 
#include "xapian/weight.h"
 
#include "leafpostlist.h"
#include "matcher/orpositionlist.h"
#include "omassert.h"
#include "debuglog.h"
 
using namespace std;
 
LeafPostList::~LeafPostList()
{
    delete weight;
}
 
double
LeafPostList::get_weight(Xapian::termcount doclen,
                         Xapian::termcount unique_terms,
                         Xapian::termcount wdfdocmax) const
{
    if (!weight) return 0;
    double sumpart = weight->get_sumpart(get_wdf(), doclen,
                                         unique_terms, wdfdocmax);
    AssertRel(sumpart, <=, weight->get_maxpart());
    return sumpart;
}
 
double
LeafPostList::recalc_maxweight()
{
    return weight ? weight->get_maxpart() : 0;
}
 
Xapian::termcount
LeafPostList::count_matching_subqs() const
{
    return weight ? 1 : 0;
}
 
void
LeafPostList::gather_position_lists(OrPositionList* orposlist)
{
    orposlist->add_poslist(read_position_list());
}
 
bool
LeafPostList::open_nearby_postlist(std::string_view, bool, LeafPostList*&) const
{
    return false;
}