diff options
Diffstat (limited to 'src/mongo/bson/util/bson_check.h')
| -rw-r--r-- | src/mongo/bson/util/bson_check.h | 86 |
1 files changed, 42 insertions, 44 deletions
diff --git a/src/mongo/bson/util/bson_check.h b/src/mongo/bson/util/bson_check.h index 203ee94ae8a..4f2585e9e75 100644 --- a/src/mongo/bson/util/bson_check.h +++ b/src/mongo/bson/util/bson_check.h @@ -34,53 +34,51 @@ namespace mongo { - /** - * Confirms that "o" only contains fields whose names are in "begin".."end", - * and that no field name occurs multiple times. - * - * On failure, returns BadValue and a message naming the unexpected field or DuplicateKey and a - * message naming the repeated field. "objectName" is included in the message, for reporting - * purposes. - */ - template <typename Iter> - Status bsonCheckOnlyHasFields(StringData objectName, - const BSONObj& o, - const Iter& begin, - const Iter& end) { - std::vector<int> occurrences(std::distance(begin, end), 0); - for (BSONObj::iterator iter(o); iter.more();) { - const BSONElement e = iter.next(); - const Iter found = std::find(begin, end, e.fieldNameStringData()); - if (found != end) { - ++occurrences[std::distance(begin, found)]; - } - else { - return Status(ErrorCodes::BadValue, - str::stream() << - "Unexpected field " << e.fieldName() << " in " << objectName); - } +/** + * Confirms that "o" only contains fields whose names are in "begin".."end", + * and that no field name occurs multiple times. + * + * On failure, returns BadValue and a message naming the unexpected field or DuplicateKey and a + * message naming the repeated field. "objectName" is included in the message, for reporting + * purposes. + */ +template <typename Iter> +Status bsonCheckOnlyHasFields(StringData objectName, + const BSONObj& o, + const Iter& begin, + const Iter& end) { + std::vector<int> occurrences(std::distance(begin, end), 0); + for (BSONObj::iterator iter(o); iter.more();) { + const BSONElement e = iter.next(); + const Iter found = std::find(begin, end, e.fieldNameStringData()); + if (found != end) { + ++occurrences[std::distance(begin, found)]; + } else { + return Status(ErrorCodes::BadValue, + str::stream() << "Unexpected field " << e.fieldName() << " in " + << objectName); } - int i = 0; - for(Iter curr = begin; curr != end; ++curr, ++i) { - if (occurrences[i] > 1) { - return Status(ErrorCodes::DuplicateKey, - str::stream() << - "Field " << *curr << " appears " << occurrences[i] << - " times in " << objectName); - } + } + int i = 0; + for (Iter curr = begin; curr != end; ++curr, ++i) { + if (occurrences[i] > 1) { + return Status(ErrorCodes::DuplicateKey, + str::stream() << "Field " << *curr << " appears " << occurrences[i] + << " times in " << objectName); } - return Status::OK(); } + return Status::OK(); +} - /** - * Same as above, but operates over an array of string-ish items, "legals", instead - * of "begin".."end". - */ - template <typename StringType, int N> - Status bsonCheckOnlyHasFields(StringData objectName, - const BSONObj& o, - const StringType (&legals)[N]) { - return bsonCheckOnlyHasFields(objectName, o, &legals[0], legals + N); - } +/** + * Same as above, but operates over an array of string-ish items, "legals", instead + * of "begin".."end". + */ +template <typename StringType, int N> +Status bsonCheckOnlyHasFields(StringData objectName, + const BSONObj& o, + const StringType(&legals)[N]) { + return bsonCheckOnlyHasFields(objectName, o, &legals[0], legals + N); +} } // namespace mongo |