blob: 7022760b3a71971815e3bd75ab829f42112874b6 (
plain)
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
77
78
79
80
|
// fts_query.h
/**
* Copyright (C) 2012 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <string>
#include <vector>
#include "mongo/base/status.h"
#include "mongo/db/fts/stemmer.h"
#include "mongo/db/fts/stop_words.h"
#include "mongo/platform/unordered_set.h"
#include "mongo/util/stringutils.h"
namespace mongo {
namespace fts {
using std::string;
using std::vector;
using std::set;
class FTSQuery {
public:
Status parse(const string& query, const string& language);
const vector<string>& getTerms() const { return _terms; }
const unordered_set<string>& getNegatedTerms() const { return _negatedTerms; }
const vector<string>& getPhr() const { return _phrases; }
const vector<string>& getNegatedPhr() const { return _negatedPhrases; }
/**
* @return true if any negations or phrase + or -
*/
bool hasNonTermPieces() const {
return
_negatedTerms.size() > 0 ||
_phrases.size() > 0 ||
_negatedPhrases.size() > 0;
}
string getSearch() const { return _search; }
string getLanguage() const { return _language; }
string toString() const;
string debugString() const;
protected:
string _search;
string _language;
vector<string> _terms;
unordered_set<string> _negatedTerms;
vector<string> _phrases;
vector<string> _negatedPhrases;
private:
void _addTerm( const StopWords* sw, Stemmer& stemmer, const string& term, bool negated );
};
}
}
|