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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
// expression_parser_text.cpp
/**
* Copyright (C) 2013 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/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/base/init.h"
#include "mongo/db/fts/fts_language.h"
#include "mongo/db/fts/fts_spec.h"
#include "mongo/db/jsobj.h"
#include "mongo/db/matcher/expression_parser.h"
#include "mongo/db/matcher/expression_text.h"
namespace mongo {
using std::unique_ptr;
using std::string;
StatusWithMatchExpression expressionParserTextCallbackReal(const BSONObj& queryObj) {
// Validate queryObj, but defer construction of FTSQuery (which requires access to the
// target namespace) until stage building time.
int expectedFieldCount = 1;
if (mongo::String != queryObj["$search"].type()) {
return StatusWithMatchExpression(ErrorCodes::TypeMismatch,
"$search requires a string value");
}
string language = "";
BSONElement languageElt = queryObj["$language"];
if (!languageElt.eoo()) {
expectedFieldCount++;
if (mongo::String != languageElt.type()) {
return StatusWithMatchExpression(ErrorCodes::TypeMismatch,
"$language requires a string value");
}
language = languageElt.String();
Status status = fts::FTSLanguage::make(language, fts::TEXT_INDEX_VERSION_2).getStatus();
if (!status.isOK()) {
return StatusWithMatchExpression(ErrorCodes::BadValue,
"$language specifies unsupported language");
}
}
string query = queryObj["$search"].String();
BSONElement caseSensitiveElt = queryObj["$caseSensitive"];
bool caseSensitive = fts::FTSQuery::caseSensitiveDefault;
if (!caseSensitiveElt.eoo()) {
expectedFieldCount++;
if (mongo::Bool != caseSensitiveElt.type()) {
return StatusWithMatchExpression(ErrorCodes::TypeMismatch,
"$caseSensitive requires a boolean value");
}
caseSensitive = caseSensitiveElt.trueValue();
}
if (queryObj.nFields() != expectedFieldCount) {
return StatusWithMatchExpression(ErrorCodes::BadValue, "extra fields in $text");
}
unique_ptr<TextMatchExpression> e(new TextMatchExpression());
Status s = e->init(query, language, caseSensitive);
if (!s.isOK()) {
return StatusWithMatchExpression(s);
}
return {std::move(e)};
}
MONGO_INITIALIZER(MatchExpressionParserText)(::mongo::InitializerContext* context) {
expressionParserTextCallback = expressionParserTextCallbackReal;
return Status::OK();
}
}
|
