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BSON_VALIDATE_FLAGS_T(3) libbson BSON_VALIDATE_FLAGS_T(3) Document validation options SYNOPSIS #include <bson/bson-types.h> typedef enum { BSON_VALIDATE_NONE = 0, BSON_VALIDATE_UTF8 = (1 << 0), BSON_VALIDATE_DOLLAR_KEYS = (1 << 1), BSON_VALIDATE_DOT_KEYS = (1 << 2), BSON_VALIDATE_UTF8_ALLOW_NULL = (1 << 3), BSON_VALIDATE_EMPTY_KEYS = (1 << 4), } bson_validate_flags_t; DESCRIPTION bson_validate_flags_t is a set of binary flags which may be combined to specify a level of BSON document validation. A value of 0, false, or BSON_VALIDATE_NONE equivalently requests the minimum applicable level of validation. In the context of validation APIs bson_validate(), bson_validate_with_error(), and bson_validate_with_error_and_offset() the minimum validation still guarantees that a document can be success- fully traversed by bson_iter_visit_all(). Higher level APIs using this type may have different minimum validation levels. For example, libmongoc functions that take bson_vali- date_flags_t use 0 to mean the document contents are not visited and malformed headers will not be detected by the client. Each defined flag aside from BSON_VALIDATE_NONE describes an optional validation feature that may be enabled, alone or in combination with other features: • BSON_VALIDATE_NONE Minimum level of validation; in libbson, validates element headers. • BSON_VALIDATE_UTF8 All keys and string values are checked for invalid UTF-8. • BSON_VALIDATE_UTF8_ALLOW_NULL String values are allowed to have em- bedded NULL bytes. • BSON_VALIDATE_DOLLAR_KEYS Prohibit keys that start with $ outside of a "DBRef" subdocument. • BSON_VALIDATE_DOT_KEYS Prohibit keys that contain . anywhere in the string. • BSON_VALIDATE_EMPTY_KEYS Prohibit zero-length keys. SEE ALSO: bson_validate(), bson_validate_with_error(), bson_validate_with_error_and_offset(). bson_visitor_t can be used for custom validation, Example Custom Validation. AUTHOR MongoDB, Inc COPYRIGHT 2009-present, MongoDB, Inc. 1.30.2 Apr 12, 2025 BSON_VALIDATE_FLAGS_T(3)
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