/* Copyright (C) 2007 J.F.Dockes
* 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, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _rclquery_p_h_included_
#define _rclquery_p_h_included_
#include <map>
#include <vector>
using std::map;
using std::vector;
#include <xapian.h>
#include "rclquery.h"
namespace Rcl {
class Query::Native {
public:
/** The query I belong to */
Query *m_q;
/** query descriptor: terms and subqueries joined by operators
* (or/and etc...)
*/
Xapian::Query xquery;
Xapian::Enquire *xenquire; // Open query descriptor.
Xapian::MSet xmset; // Partial result set
// Term frequencies for current query. See makeAbstract, setQuery
map<string, double> termfreqs;
Native(Query *q)
: m_q(q), xenquire(0)
{
}
~Native()
{
clear();
}
void clear()
{
delete xenquire; xenquire = 0;
termfreqs.clear();
}
/** Return a list of terms which matched for a specific result document */
bool getMatchTerms(unsigned long xdocid, std::vector<std::string>& terms);
int makeAbstract(Xapian::docid id, vector<Snippet>&,
int maxoccs = -1, int ctxwords = -1);
int getFirstMatchPage(Xapian::docid docid, std::string& term);
void setDbWideQTermsFreqs();
double qualityTerms(Xapian::docid docid,
const std::vector<std::string>& terms,
std::multimap<double, std::vector<std::string> >& byQ);
};
}
#endif /* _rclquery_p_h_included_ */