LTP GCOV extension - code coverage report
Current view: directory - ept/core - xapian.cpp
Test: lcov.info
Date: 2008-08-14 Instrumented lines: 56
Code covered: 21.4 % Executed lines: 12

       1                 : // -*- C++ -*- (c) 2007 Enrico Zini <enrico@enricozini.org>
       2                 : //                      Petr Rockai <me@mornfall.net>
       3                 : 
       4                 : /*
       5                 :  * Copyright (C) 2007  Enrico Zini <enrico@debian.org>
       6                 :  *
       7                 :  * This program is free software; you can redistribute it and/or modify
       8                 :  * it under the terms of the GNU General Public License as published by
       9                 :  * the Free Software Foundation; either version 2 of the License, or
      10                 :  * (at your option) any later version.
      11                 :  *
      12                 :  * This program is distributed in the hope that it will be useful,
      13                 :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      14                 :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      15                 :  * GNU General Public License for more details.
      16                 :  *
      17                 :  * You should have received a copy of the GNU General Public License
      18                 :  * along with this program; if not, write to the Free Software
      19                 :  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
      20                 :  */
      21                 : 
      22                 : #include <ept/core/xapian.h>
      23                 : #include <ept/core/apt.h>
      24                 : #include <ept/core/apt/record.h>
      25                 : 
      26                 : #include <ept/textsearch/maint/path.h>
      27                 : 
      28                 : #include <wibble/regexp.h>
      29                 : #include <cctype>
      30                 : #include <cmath>
      31                 : 
      32                 : #include <xapian/queryparser.h>
      33                 : #include <xapian/base.h>
      34                 : 
      35                 : #include <algorithm>
      36                 : 
      37                 : #include <iostream>
      38                 : 
      39                 : using namespace std;
      40                 : using namespace ept;
      41                 : // using namespace ept::debtags;
      42                 : 
      43                 : namespace ept {
      44                 : namespace core {
      45                 : namespace xapian {
      46                 : 
      47                 : size_t max_index = 0;
      48                 : 
      49               4 : Source::Source()
      50               4 :     : m_stem("en"), m_opened( false )
      51                 : {
      52               4 : }
      53                 : 
      54               9 : time_t Source::timestamp() const {
      55               9 :     return textsearch::Path::indexTimestamp();
      56                 : }
      57                 : 
      58               9 : void Source::open() const {
      59               9 :     if (timestamp()) {
      60               9 :         std::string path = textsearch::Path::index();
      61               9 :         m_db = Xapian::Database( path );
      62               9 :         m_opened = true;
      63                 :     }
      64               9 : }
      65                 : 
      66               0 : std::string Source::toLower(const std::string& str)
      67                 : {
      68               0 :     std::string res;
      69               0 :     res.reserve(str.size());
      70               0 :     for (std::string::const_iterator i = str.begin(); i != str.end(); ++i)
      71               0 :         res += tolower(*i);
      72               0 :     return res;
      73                 : }
      74                 : 
      75                 : void Source::normalize_and_add(Xapian::Document& doc, const std::string& term,
      76               0 :                                int& /* pos */) const
      77                 : {
      78               0 :     string t = Source::toLower(term);
      79               0 :     string s = m_stem(t);
      80               0 :     doc.add_term(t);
      81               0 :     if (s != t)
      82               0 :         doc.add_term(s);
      83               0 : }
      84                 : 
      85               0 : Xapian::docid Source::docidByName(const std::string& pkgname) const
      86                 : {
      87               0 :     Xapian::PostingIterator i = m_db.postlist_begin("pkg:"+pkgname);
      88               0 :     if (i == m_db.postlist_end("pkg:"+pkgname))
      89               0 :         return 0;
      90                 :     else
      91               0 :         return *i;
      92                 : }
      93                 : 
      94               0 : Xapian::Query Source::makeRelatedQuery(const std::string& pkgname) const
      95                 : {
      96               0 :     Xapian::Enquire enquire(db());
      97                 : 
      98                 :     // Retrieve the document for the given package
      99               0 :     enquire.set_query(Xapian::Query("pkg:"+pkgname));
     100               0 :     Xapian::MSet matches = enquire.get_mset(0, 1);
     101               0 :     Xapian::MSetIterator mi = matches.begin();
     102               0 :     if (mi == matches.end()) return Xapian::Query();
     103               0 :     Xapian::Document doc = mi.get_document();
     104                 : 
     105                 :     // Return the query to get the list of similar documents
     106               0 :     return Xapian::Query(Xapian::Query::OP_OR, doc.termlist_begin(), doc.termlist_end());
     107                 : }
     108                 : 
     109                 : double Source::getDoubleValue(const std::string& pkgname,
     110               0 :                               Xapian::valueno val_id) const
     111                 : {
     112               0 :     Xapian::docid id = docidByName(pkgname);
     113               0 :     if (id == 0)
     114               0 :         return 0.0;
     115               0 :     Xapian::Document doc = db().get_document(id);
     116               0 :     string val = doc.get_value(val_id);
     117               0 :     if (val.empty())
     118               0 :         return 0.0;
     119                 :     else
     120               0 :         return Xapian::sortable_unserialise(val);
     121                 : }
     122                 : 
     123                 : int Source::getIntValue(const std::string& pkgname,
     124               0 :                         Xapian::valueno val_id) const
     125                 : {
     126               0 :     Xapian::docid id = docidByName(pkgname);
     127               0 :     if (id == 0)
     128               0 :         return 0;
     129               0 :     Xapian::Document doc = db().get_document(id);
     130               0 :     string val = doc.get_value(val_id);
     131               0 :     if (val.empty())
     132               0 :         return 0;
     133                 :     else
     134               0 :         return (int)nearbyint(Xapian::sortable_unserialise(val));
     135                 : }
     136                 : 
     137                 : }
     138                 : }
     139               3 : }
     140                 : 
     141                 : // vim:set ts=4 sw=4:

Generated by: LTP GCOV extension version 1.6