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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
|
/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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/db/jsobj.h"
#include "mongo/bson/timestamp.h"
#include "mongo/logv2/log.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kDefault
namespace mongo {
using std::string;
template <class Derived, class B>
Derived& BSONObjBuilderBase<Derived, B>::appendMinForType(StringData fieldName, int t) {
switch (t) {
// Shared canonical types
case NumberInt:
case NumberDouble:
case NumberLong:
case NumberDecimal:
append(fieldName, std::numeric_limits<double>::quiet_NaN());
return static_cast<Derived&>(*this);
case Symbol:
case String:
append(fieldName, "");
return static_cast<Derived&>(*this);
case Date:
appendDate(fieldName, Date_t::min());
return static_cast<Derived&>(*this);
case bsonTimestamp:
appendTimestamp(fieldName, 0);
return static_cast<Derived&>(*this);
case Undefined: // shared with EOO
appendUndefined(fieldName);
return static_cast<Derived&>(*this);
// Separate canonical types
case MinKey:
appendMinKey(fieldName);
return static_cast<Derived&>(*this);
case MaxKey:
appendMaxKey(fieldName);
return static_cast<Derived&>(*this);
case jstOID: {
OID o;
appendOID(fieldName, &o);
return static_cast<Derived&>(*this);
}
case Bool:
appendBool(fieldName, false);
return static_cast<Derived&>(*this);
case jstNULL:
appendNull(fieldName);
return static_cast<Derived&>(*this);
case Object:
append(fieldName, BSONObj());
return static_cast<Derived&>(*this);
case Array:
appendArray(fieldName, BSONObj());
return static_cast<Derived&>(*this);
case BinData:
appendBinData(fieldName, 0, BinDataGeneral, (const char*)nullptr);
return static_cast<Derived&>(*this);
case RegEx:
appendRegex(fieldName, "");
return static_cast<Derived&>(*this);
case DBRef: {
OID o;
appendDBRef(fieldName, "", o);
return static_cast<Derived&>(*this);
}
case Code:
appendCode(fieldName, "");
return static_cast<Derived&>(*this);
case CodeWScope:
appendCodeWScope(fieldName, "", BSONObj());
return static_cast<Derived&>(*this);
};
LOGV2(20101, "type not supported for appendMinElementForType: {t}", "t"_attr = t);
uassert(10061, "type not supported for appendMinElementForType", false);
}
template <class Derived, class B>
Derived& BSONObjBuilderBase<Derived, B>::appendMaxForType(StringData fieldName, int t) {
switch (t) {
// Shared canonical types
case NumberInt:
case NumberDouble:
case NumberLong:
case NumberDecimal:
append(fieldName, std::numeric_limits<double>::infinity());
return static_cast<Derived&>(*this);
case Symbol:
case String:
appendMinForType(fieldName, Object);
return static_cast<Derived&>(*this);
case Date:
appendDate(fieldName, Date_t::max());
return static_cast<Derived&>(*this);
case bsonTimestamp:
append(fieldName, Timestamp::max());
return static_cast<Derived&>(*this);
case Undefined: // shared with EOO
appendUndefined(fieldName);
return static_cast<Derived&>(*this);
// Separate canonical types
case MinKey:
appendMinKey(fieldName);
return static_cast<Derived&>(*this);
case MaxKey:
appendMaxKey(fieldName);
return static_cast<Derived&>(*this);
case jstOID: {
OID o = OID::max();
appendOID(fieldName, &o);
return static_cast<Derived&>(*this);
}
case Bool:
appendBool(fieldName, true);
return static_cast<Derived&>(*this);
case jstNULL:
appendNull(fieldName);
return static_cast<Derived&>(*this);
case Object:
appendMinForType(fieldName, Array);
return static_cast<Derived&>(*this);
case Array:
appendMinForType(fieldName, BinData);
return static_cast<Derived&>(*this);
case BinData:
appendMinForType(fieldName, jstOID);
return static_cast<Derived&>(*this);
case RegEx:
appendMinForType(fieldName, DBRef);
return static_cast<Derived&>(*this);
case DBRef:
appendMinForType(fieldName, Code);
return static_cast<Derived&>(*this);
case Code:
appendMinForType(fieldName, CodeWScope);
return static_cast<Derived&>(*this);
case CodeWScope:
// This upper bound may change if a new bson type is added.
appendMinForType(fieldName, MaxKey);
return static_cast<Derived&>(*this);
}
LOGV2(20102, "type not supported for appendMaxElementForType: {t}", "t"_attr = t);
uassert(14853, "type not supported for appendMaxElementForType", false);
}
template <class Derived, class B>
Derived& BSONObjBuilderBase<Derived, B>::appendDate(StringData fieldName, Date_t dt) {
_b.appendNum((char)Date);
_b.appendStr(fieldName);
_b.appendNum(dt.toMillisSinceEpoch());
return static_cast<Derived&>(*this);
}
/* add all the fields from the object specified to this object */
template <class Derived, class B>
Derived& BSONObjBuilderBase<Derived, B>::appendElements(const BSONObj& x) {
if (!x.isEmpty())
_b.appendBuf(x.objdata() + 4, // skip over leading length
x.objsize() - 5); // ignore leading length and trailing \0
return static_cast<Derived&>(*this);
}
/* add all the fields from the object specified to this object if they don't exist */
template <class Derived, class B>
Derived& BSONObjBuilderBase<Derived, B>::appendElementsUnique(const BSONObj& x) {
std::set<std::string> have;
{
BSONObjIterator i = iterator();
while (i.more())
have.insert(i.next().fieldName());
}
BSONObjIterator it(x);
while (it.more()) {
BSONElement e = it.next();
if (have.count(e.fieldName()))
continue;
append(e);
}
return static_cast<Derived&>(*this);
}
template <class Derived, class B>
BSONObjIterator BSONObjBuilderBase<Derived, B>::iterator() const {
const char* s = _b.buf() + _offset;
const char* e = _b.buf() + _b.len();
return BSONObjIterator(s, e);
}
template <class Derived, class B>
bool BSONObjBuilderBase<Derived, B>::hasField(StringData name) const {
BSONObjIterator i = iterator();
while (i.more())
if (name == i.next().fieldName())
return true;
return false;
}
// Explicit instantiations
template class BSONObjBuilderBase<BSONObjBuilder, BufBuilder>;
template class BSONObjBuilderBase<UniqueBSONObjBuilder, UniqueBufBuilder>;
template class BSONArrayBuilderBase<BSONArrayBuilder, BSONObjBuilder>;
template class BSONArrayBuilderBase<UniqueBSONArrayBuilder, UniqueBSONObjBuilder>;
} // namespace mongo
|
