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
|
/** @file
* @brief Iteration over terms in a document
*/
/* Copyright 2017,2024 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, see
* <https://www.gnu.org/licenses/>.
*/
#ifndef XAPIAN_INCLUDED_DOCUMENTTERMLIST_H
#define XAPIAN_INCLUDED_DOCUMENTTERMLIST_H
#include "termlist.h"
#include "backends/documentinternal.h"
#include "omassert.h"
#include <functional>
/// Iteration over terms in a document.
class DocumentTermList final : public TermList {
/// Don't allow assignment.
void operator=(const DocumentTermList&) = delete;
/// Don't allow copying.
DocumentTermList(const DocumentTermList&) = delete;
/// Document internals we're iterating over.
Xapian::Internal::intrusive_ptr<const Xapian::Document::Internal> doc;
/** Iterator over the map inside @a doc.
*
* If we haven't started yet, this will be set to: doc->terms.end()
*/
std::map<std::string, TermInfo, std::less<>>::const_iterator it;
public:
explicit
DocumentTermList(const Xapian::Document::Internal* doc_)
: doc(doc_), it(doc->terms->end()) {}
Xapian::termcount get_approx_size() const;
Xapian::termcount get_wdf() const;
Xapian::doccount get_termfreq() const;
const Xapian::VecCOW<Xapian::termpos> * get_vec_termpos() const;
PositionList* positionlist_begin() const;
Xapian::termcount positionlist_count() const;
TermList * next();
TermList* skip_to(std::string_view term);
};
#endif // XAPIAN_INCLUDED_DOCUMENTTERMLIST_H
|
