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<title>LCOV - lcov.info - ept/popcon/local.h</title>
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<td class="headerItem" width="20%">Current view:</td>
<td class="headerValue" width="80%" colspan=4><a href="../../index.html">directory</a> - <a href="index.html">ept/popcon</a> - local.h</td>
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<td class="headerItem" width="20%">Date:</td>
<td class="headerValue" width="20%">2008-08-14</td>
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<td class="headerValue" width="20%">1</td>
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<td class="headerItem" width="20%">Code covered:</td>
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<td><pre class="source">
<span class="lineNum"> 1 </span> : #ifndef EPT_POPCON_LOCAL_H
<span class="lineNum"> 2 </span> : #define EPT_POPCON_LOCAL_H
<span class="lineNum"> 3 </span> :
<span class="lineNum"> 4 </span> : /** @file
<span class="lineNum"> 5 </span> : * @author Enrico Zini <enrico@enricozini.org>
<span class="lineNum"> 6 </span> : * Correlate popcon data with local popcon information
<span class="lineNum"> 7 </span> : */
<span class="lineNum"> 8 </span> :
<span class="lineNum"> 9 </span> : /*
<span class="lineNum"> 10 </span> : * Copyright (C) 2007 Enrico Zini <enrico@debian.org>
<span class="lineNum"> 11 </span> : *
<span class="lineNum"> 12 </span> : * This program is free software; you can redistribute it and/or modify
<span class="lineNum"> 13 </span> : * it under the terms of the GNU General Public License as published by
<span class="lineNum"> 14 </span> : * the Free Software Foundation; either version 2 of the License, or
<span class="lineNum"> 15 </span> : * (at your option) any later version.
<span class="lineNum"> 16 </span> : *
<span class="lineNum"> 17 </span> : * This program is distributed in the hope that it will be useful,
<span class="lineNum"> 18 </span> : * but WITHOUT ANY WARRANTY; without even the implied warranty of
<span class="lineNum"> 19 </span> : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
<span class="lineNum"> 20 </span> : * GNU General Public License for more details.
<span class="lineNum"> 21 </span> : *
<span class="lineNum"> 22 </span> : * You should have received a copy of the GNU General Public License
<span class="lineNum"> 23 </span> : * along with this program; if not, write to the Free Software
<span class="lineNum"> 24 </span> : * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
<span class="lineNum"> 25 </span> : */
<span class="lineNum"> 26 </span> :
<span class="lineNum"> 27 </span> : #include <string>
<span class="lineNum"> 28 </span> : #include <vector>
<span class="lineNum"> 29 </span> : #include <map>
<span class="lineNum"> 30 </span> :
<span class="lineNum"> 31 </span> : namespace ept {
<span class="lineNum"> 32 </span> : namespace popcon {
<span class="lineNum"> 33 </span> :
<span class="lineNum"> 34 </span> : class Popcon;
<span class="lineNum"> 35 </span> :
<span class="lineNum"> 36 </span> : /**
<span class="lineNum"> 37 </span> : * Access the results of the local daily popcon scan.
<span class="lineNum"> 38 </span> : */
<span class="lineNum"> 39 </span> : class Local
<span class="lineNum"> 40 </span><span class="lineCov"> 1 : {</span>
<span class="lineNum"> 41 </span> : protected:
<span class="lineNum"> 42 </span> : std::map<std::string, float> m_scores;
<span class="lineNum"> 43 </span> : time_t m_timestamp;
<span class="lineNum"> 44 </span> :
<span class="lineNum"> 45 </span> : public:
<span class="lineNum"> 46 </span> : Local(const std::string& file = std::string("/var/log/popularity-contest"));
<span class="lineNum"> 47 </span> :
<span class="lineNum"> 48 </span> : /// Get the timestamp of the local popcon information
<span class="lineNum"> 49 </span> : time_t timestamp() const { return m_timestamp; }
<span class="lineNum"> 50 </span> :
<span class="lineNum"> 51 </span> : /// Return true if this data source has data, false if it's empty
<span class="lineNum"> 52 </span> : bool hasData() const { return m_timestamp != 0; }
<span class="lineNum"> 53 </span> :
<span class="lineNum"> 54 </span> : /**
<span class="lineNum"> 55 </span> : * Return the local score of the package
<span class="lineNum"> 56 </span> : */
<span class="lineNum"> 57 </span> : float score(const std::string& pkg) const;
<span class="lineNum"> 58 </span> :
<span class="lineNum"> 59 </span> : /**
<span class="lineNum"> 60 </span> : * Return the TFIDF score of the package computed against the popcon
<span class="lineNum"> 61 </span> : * information.
<span class="lineNum"> 62 </span> : *
<span class="lineNum"> 63 </span> : * The TFIDF score is high when a package is representative of this system,
<span class="lineNum"> 64 </span> : * that is, it is used in this system and not much used in other systems.
<span class="lineNum"> 65 </span> : */
<span class="lineNum"> 66 </span> : float tfidf(const Popcon& popcon, const std::string& pkg) const;
<span class="lineNum"> 67 </span> :
<span class="lineNum"> 68 </span> : /**
<span class="lineNum"> 69 </span> : * Read the local popcon vote and return the list of packages and their
<span class="lineNum"> 70 </span> : * local scores, sorted by ascending score.
<span class="lineNum"> 71 </span> : */
<span class="lineNum"> 72 </span> : std::vector< std::pair<std::string, float> > scores() const;
<span class="lineNum"> 73 </span> :
<span class="lineNum"> 74 </span> : /**
<span class="lineNum"> 75 </span> : * Read the local popcon vote and return the list of packages and their
<span class="lineNum"> 76 </span> : * TFIDF scores computed against the popcon information.
<span class="lineNum"> 77 </span> : *
<span class="lineNum"> 78 </span> : * The packages will be sorted by ascending score.
<span class="lineNum"> 79 </span> : */
<span class="lineNum"> 80 </span> : std::vector< std::pair<std::string, float> > tfidf(const Popcon& popcon) const;
<span class="lineNum"> 81 </span> : };
<span class="lineNum"> 82 </span> :
<span class="lineNum"> 83 </span> : }
<span class="lineNum"> 84 </span> : }
<span class="lineNum"> 85 </span> :
<span class="lineNum"> 86 </span> : // vim:set ts=4 sw=4:
<span class="lineNum"> 87 </span> : #endif
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