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/**
* 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.
*/
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kDefault
#include "mongo/db/jsobj.h"
#include <boost/lexical_cast.hpp>
#include "mongo/bson/timestamp.h"
#include "mongo/logv2/log.h"
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 StringBuilderImpl<BufBuilder>;
template class StringBuilderImpl<StackBufBuilderBase<StackSizeDefault>>;
} // namespace mongo
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