xapian-core/backends/multi/multi_termlist.cc

   1 /** @file multi_termlist.cc
   2  * @brief Adapter class for a TermList in a multidatabase
   3  */
   4 /* Copyright (C) 2007,2008,2009,2011,2017 Olly Betts
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (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 "multi_termlist.h"
  24
  25 #include <xapian/database.h>
  26
  27 #include "backends/databaseinternal.h"
  28 #include "backends/multi.h"
  29 #include "omassert.h"
  30
  31 using namespace std;
  32
  33 MultiTermList::MultiTermList(const Xapian::Database::Internal* db_,
  34                              TermList* real_termlist_)
  35     : real_termlist(real_termlist_), db(db_)
  36 {
  37 }
  38
  39 MultiTermList::~MultiTermList()
  40 {
  41     delete real_termlist;
  42 }
  43
  44 Xapian::termcount
  45 MultiTermList::get_approx_size() const
  46 {
  47     return real_termlist->get_approx_size();
  48 }
  49
  50 string
  51 MultiTermList::get_termname() const
  52 {
  53     return real_termlist->get_termname();
  54 }
  55
  56 Xapian::termcount
  57 MultiTermList::get_wdf() const
  58 {
  59     return real_termlist->get_wdf();
  60 }
  61
  62 Xapian::doccount
  63 MultiTermList::get_termfreq() const
  64 {
  65     Xapian::doccount result;
  66     db->get_freqs(real_termlist->get_termname(), &result, NULL);
  67     return result;
  68 }
  69
  70 TermList *
  71 MultiTermList::next()
  72 {
  73     return real_termlist->next();
  74 }
  75
  76 TermList *
  77 MultiTermList::skip_to(const std::string &term)
  78 {
  79     return real_termlist->skip_to(term);
  80 }
  81
  82 bool
  83 MultiTermList::at_end() const
  84 {
  85     return real_termlist->at_end();
  86 }
  87
  88 Xapian::termcount
  89 MultiTermList::positionlist_count() const
  90 {
  91     return real_termlist->positionlist_count();
  92 }
  93
  94 PositionList*
  95 MultiTermList::positionlist_begin() const
  96 {
  97     return real_termlist->positionlist_begin();
  98 }