diff options
Diffstat (limited to 'src/mongo/bson/util/bson_extract.cpp')
| -rw-r--r-- | src/mongo/bson/util/bson_extract.cpp | 268 |
1 files changed, 127 insertions, 141 deletions
diff --git a/src/mongo/bson/util/bson_extract.cpp b/src/mongo/bson/util/bson_extract.cpp index ef8f5110568..d5b5b83e6da 100644 --- a/src/mongo/bson/util/bson_extract.cpp +++ b/src/mongo/bson/util/bson_extract.cpp @@ -32,163 +32,149 @@ namespace mongo { - Status bsonExtractField(const BSONObj& object, - StringData fieldName, - BSONElement* outElement) { - BSONElement element = object.getField(fieldName); - if (element.eoo()) - return Status(ErrorCodes::NoSuchKey, - mongoutils::str::stream() << "Missing expected field \"" << - fieldName.toString() << "\""); - *outElement = element; - return Status::OK(); - } +Status bsonExtractField(const BSONObj& object, StringData fieldName, BSONElement* outElement) { + BSONElement element = object.getField(fieldName); + if (element.eoo()) + return Status(ErrorCodes::NoSuchKey, + mongoutils::str::stream() << "Missing expected field \"" + << fieldName.toString() << "\""); + *outElement = element; + return Status::OK(); +} - Status bsonExtractTypedField(const BSONObj& object, - StringData fieldName, - BSONType type, - BSONElement* outElement) { - Status status = bsonExtractField(object, fieldName, outElement); - if (!status.isOK()) - return status; - if (type != outElement->type()) { - return Status(ErrorCodes::TypeMismatch, - mongoutils::str::stream() << "\"" << fieldName << - "\" had the wrong type. Expected " << typeName(type) << - ", found " << typeName(outElement->type())); - } - return Status::OK(); +Status bsonExtractTypedField(const BSONObj& object, + StringData fieldName, + BSONType type, + BSONElement* outElement) { + Status status = bsonExtractField(object, fieldName, outElement); + if (!status.isOK()) + return status; + if (type != outElement->type()) { + return Status(ErrorCodes::TypeMismatch, + mongoutils::str::stream() + << "\"" << fieldName << "\" had the wrong type. Expected " + << typeName(type) << ", found " << typeName(outElement->type())); } + return Status::OK(); +} - Status bsonExtractBooleanField(const BSONObj& object, - StringData fieldName, - bool* out) { - BSONElement element; - Status status = bsonExtractTypedField(object, fieldName, Bool, &element); - if (!status.isOK()) - return status; - *out = element.boolean(); +Status bsonExtractBooleanField(const BSONObj& object, StringData fieldName, bool* out) { + BSONElement element; + Status status = bsonExtractTypedField(object, fieldName, Bool, &element); + if (!status.isOK()) + return status; + *out = element.boolean(); + return Status::OK(); +} + +Status bsonExtractBooleanFieldWithDefault(const BSONObj& object, + StringData fieldName, + bool defaultValue, + bool* out) { + BSONElement value; + Status status = bsonExtractField(object, fieldName, &value); + if (status == ErrorCodes::NoSuchKey) { + *out = defaultValue; + return Status::OK(); + } else if (!status.isOK()) { + return status; + } else if (!value.isNumber() && !value.isBoolean()) { + return Status(ErrorCodes::TypeMismatch, + mongoutils::str::stream() << "Expected boolean or number type for field \"" + << fieldName << "\", found " + << typeName(value.type())); + } else { + *out = value.trueValue(); return Status::OK(); } +} - Status bsonExtractBooleanFieldWithDefault(const BSONObj& object, - StringData fieldName, - bool defaultValue, - bool* out) { - BSONElement value; - Status status = bsonExtractField(object, fieldName, &value); - if (status == ErrorCodes::NoSuchKey) { - *out = defaultValue; - return Status::OK(); - } - else if (!status.isOK()) { - return status; - } - else if (!value.isNumber() && !value.isBoolean()) { - return Status(ErrorCodes::TypeMismatch, mongoutils::str::stream() << - "Expected boolean or number type for field \"" << fieldName << - "\", found " << typeName(value.type())); - } - else { - *out = value.trueValue(); - return Status::OK(); - } - } +Status bsonExtractStringField(const BSONObj& object, StringData fieldName, std::string* out) { + BSONElement element; + Status status = bsonExtractTypedField(object, fieldName, String, &element); + if (!status.isOK()) + return status; + *out = element.str(); + return Status::OK(); +} - Status bsonExtractStringField(const BSONObj& object, - StringData fieldName, - std::string* out) { - BSONElement element; - Status status = bsonExtractTypedField(object, fieldName, String, &element); - if (!status.isOK()) - return status; - *out = element.str(); - return Status::OK(); - } +Status bsonExtractTimestampField(const BSONObj& object, StringData fieldName, Timestamp* out) { + BSONElement element; + Status status = bsonExtractTypedField(object, fieldName, bsonTimestamp, &element); + if (!status.isOK()) + return status; + *out = element.timestamp(); + return Status::OK(); +} - Status bsonExtractTimestampField(const BSONObj& object, - StringData fieldName, - Timestamp* out) { - BSONElement element; - Status status = bsonExtractTypedField(object, fieldName, bsonTimestamp, &element); - if (!status.isOK()) - return status; - *out = element.timestamp(); - return Status::OK(); - } +Status bsonExtractOIDField(const BSONObj& object, StringData fieldName, OID* out) { + BSONElement element; + Status status = bsonExtractTypedField(object, fieldName, jstOID, &element); + if (!status.isOK()) + return status; + *out = element.OID(); + return Status::OK(); +} - Status bsonExtractOIDField(const BSONObj& object, - StringData fieldName, - OID* out) { - BSONElement element; - Status status = bsonExtractTypedField(object, fieldName, jstOID, &element); - if (!status.isOK()) - return status; - *out = element.OID(); - return Status::OK(); +Status bsonExtractOIDFieldWithDefault(const BSONObj& object, + StringData fieldName, + const OID& defaultValue, + OID* out) { + Status status = bsonExtractOIDField(object, fieldName, out); + if (status == ErrorCodes::NoSuchKey) { + *out = defaultValue; + } else if (!status.isOK()) { + return status; } + return Status::OK(); +} - Status bsonExtractOIDFieldWithDefault(const BSONObj& object, - StringData fieldName, - const OID& defaultValue, - OID* out) { - Status status = bsonExtractOIDField(object, fieldName, out); - if (status == ErrorCodes::NoSuchKey) { - *out = defaultValue; - } - else if (!status.isOK()) { - return status; - } - return Status::OK(); +Status bsonExtractStringFieldWithDefault(const BSONObj& object, + StringData fieldName, + StringData defaultValue, + std::string* out) { + Status status = bsonExtractStringField(object, fieldName, out); + if (status == ErrorCodes::NoSuchKey) { + *out = defaultValue.toString(); + } else if (!status.isOK()) { + return status; } + return Status::OK(); +} - Status bsonExtractStringFieldWithDefault(const BSONObj& object, - StringData fieldName, - StringData defaultValue, - std::string* out) { - Status status = bsonExtractStringField(object, fieldName, out); - if (status == ErrorCodes::NoSuchKey) { - *out = defaultValue.toString(); - } - else if (!status.isOK()) { - return status; - } - return Status::OK(); +Status bsonExtractIntegerField(const BSONObj& object, StringData fieldName, long long* out) { + BSONElement value; + Status status = bsonExtractField(object, fieldName, &value); + if (!status.isOK()) + return status; + if (!value.isNumber()) { + return Status(ErrorCodes::TypeMismatch, + mongoutils::str::stream() << "Expected field \"" << fieldName + << "\" to have numeric type, but found " + << typeName(value.type())); } - - Status bsonExtractIntegerField(const BSONObj& object, - StringData fieldName, - long long* out) { - BSONElement value; - Status status = bsonExtractField(object, fieldName, &value); - if (!status.isOK()) - return status; - if (!value.isNumber()) { - return Status(ErrorCodes::TypeMismatch, mongoutils::str::stream() << - "Expected field \"" << fieldName << - "\" to have numeric type, but found " << typeName(value.type())); - } - long long result = value.safeNumberLong(); - if (result != value.numberDouble()) { - return Status(ErrorCodes::BadValue, mongoutils::str::stream() << - "Expected field \"" << fieldName << "\" to have a value " - "exactly representable as a 64-bit integer, but found " << - value); - } - *out = result; - return Status::OK(); + long long result = value.safeNumberLong(); + if (result != value.numberDouble()) { + return Status(ErrorCodes::BadValue, + mongoutils::str::stream() + << "Expected field \"" << fieldName + << "\" to have a value " + "exactly representable as a 64-bit integer, but found " << value); } + *out = result; + return Status::OK(); +} - Status bsonExtractIntegerFieldWithDefault(const BSONObj& object, - StringData fieldName, - long long defaultValue, - long long* out) { - Status status = bsonExtractIntegerField(object, fieldName, out); - if (status == ErrorCodes::NoSuchKey) { - *out = defaultValue; - status = Status::OK(); - } - return status; +Status bsonExtractIntegerFieldWithDefault(const BSONObj& object, + StringData fieldName, + long long defaultValue, + long long* out) { + Status status = bsonExtractIntegerField(object, fieldName, out); + if (status == ErrorCodes::NoSuchKey) { + *out = defaultValue; + status = Status::OK(); } + return status; +} } // namespace mongo |