xapian-core/matcher/orpospostlist.cc

   1 /** @file
   2  * @brief Wrapper postlist providing positions for an OR
   3  */
   4 /* Copyright 2017 Olly Betts
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  19  */
  20
  21 #include <config.h>
  22
  23 #include "orpospostlist.h"
  24
  25 OrPosPostList::~OrPosPostList()
  26 {
  27     delete pl;
  28 }
  29
  30 Xapian::doccount
  31 OrPosPostList::get_termfreq_min() const
  32 {
  33     return pl->get_termfreq_min();
  34 }
  35
  36 Xapian::doccount
  37 OrPosPostList::get_termfreq_max() const
  38 {
  39     return pl->get_termfreq_max();
  40 }
  41
  42 Xapian::doccount
  43 OrPosPostList::get_termfreq_est() const
  44 {
  45     return pl->get_termfreq_est();
  46 }
  47
  48 TermFreqs
  49 OrPosPostList::get_termfreq_est_using_stats(const Xapian::Weight::Internal & stats) const
  50 {
  51     return pl->get_termfreq_est_using_stats(stats);
  52 }
  53
  54 double
  55 OrPosPostList::get_maxweight() const
  56 {
  57     return pl->get_maxweight();
  58 }
  59
  60 Xapian::docid
  61 OrPosPostList::get_docid() const
  62 {
  63     return pl->get_docid();
  64 }
  65
  66 Xapian::termcount
  67 OrPosPostList::get_doclength() const
  68 {
  69     return pl->get_doclength();
  70 }
  71
  72 Xapian::termcount
  73 OrPosPostList::get_unique_terms() const
  74 {
  75     return pl->get_unique_terms();
  76 }
  77
  78 double
  79 OrPosPostList::get_weight() const
  80 {
  81     return pl->get_weight();
  82 }
  83
  84 bool
  85 OrPosPostList::at_end() const
  86 {
  87     return pl->at_end();
  88 }
  89
  90 double
  91 OrPosPostList::recalc_maxweight()
  92 {
  93     return pl->recalc_maxweight();
  94 }
  95
  96 PositionList *
  97 OrPosPostList::read_position_list()
  98 {
  99     return position_list.gather(pl);
 100 }
 101
 102 PostList*
 103 OrPosPostList::next(double w_min)
 104 {
 105     PostList* result = pl->next(w_min);
 106     if (result) {
 107         delete pl;
 108         pl = result;
 109     }
 110     return NULL;
 111 }
 112
 113 PostList*
 114 OrPosPostList::skip_to(Xapian::docid did, double w_min)
 115 {
 116     PostList* result = pl->skip_to(did, w_min);
 117     if (result) {
 118         delete pl;
 119         pl = result;
 120     }
 121     return NULL;
 122 }
 123
 124 std::string
 125 OrPosPostList::get_description() const
 126 {
 127     string desc = "OrPosPostList(";
 128     desc += pl->get_description();
 129     desc += ')';
 130     return desc;
 131 }
 132
 133 Xapian::termcount
 134 OrPosPostList::get_wdf() const
 135 {
 136     return pl->get_wdf();
 137 }
 138
 139 Xapian::termcount
 140 OrPosPostList::count_matching_subqs() const
 141 {
 142     return pl->count_matching_subqs();
 143 }