1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
/** @file inmemory_alltermslist.h
* @brief Iterate all terms in an inmemory db
*/
/* Copyright 1999,2000,2001 BrightStation PLC
* Copyright 2003,2008,2009,2011 Olly Betts
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
* USA
*/
#ifndef OM_HGUARD_INMEMORY_ALLTERMSLIST_H
#define OM_HGUARD_INMEMORY_ALLTERMSLIST_H
#include "backends/alltermslist.h"
#include "inmemory_database.h"
/** class for alltermslists over several databases */
class InMemoryAllTermsList : public AllTermsList
{
private:
/// Copying is not allowed.
InMemoryAllTermsList(const InMemoryAllTermsList &);
/// Assignment is not allowed.
void operator=(const InMemoryAllTermsList &);
const std::map<string, InMemoryTerm> *tmap;
std::map<string, InMemoryTerm>::const_iterator it;
Xapian::Internal::intrusive_ptr<const InMemoryDatabase> database;
string prefix;
public:
/// Constructor.
InMemoryAllTermsList(const std::map<string, InMemoryTerm> *tmap_,
Xapian::Internal::intrusive_ptr<const InMemoryDatabase> database_,
const string & prefix_)
: tmap(tmap_), it(tmap->begin()), database(database_),
prefix(prefix_)
{
}
// Gets current termname
string get_termname() const;
// Get num of docs indexed by term
Xapian::doccount get_termfreq() const;
// Get num of docs indexed by term
Xapian::termcount get_collection_freq() const;
TermList * skip_to(const string &tname);
/** next() causes the AllTermsList to move to the next term in the list.
*/
TermList * next();
// True if we're off the end of the list
bool at_end() const;
};
#endif /* OM_HGUARD_INMEMORY_ALLTERMSLIST_H */
|
