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 * file.
 */

#import "OFObject.h"

OF_ASSUME_NONNULL_BEGIN

/*! @file */
/** @file */

@class OFData;

/*!
/**
 * @brief ASN.1 tag class.
 */
typedef enum {
	/*! Universal */
	/** Universal */
	OF_ASN1_TAG_CLASS_UNIVERSAL	   = 0x0,
	/*! Application */
	/** Application */
	OF_ASN1_TAG_CLASS_APPLICATION	   = 0x1,
	/*! Context specific */
	/** Context specific */
	OF_ASN1_TAG_CLASS_CONTEXT_SPECIFIC = 0x2,
	/*! Private */
	/** Private */
	OF_ASN1_TAG_CLASS_PRIVATE	   = 0x3
} of_asn1_tag_class_t;

/*!
/**
 * @brief ASN.1 tag number.
 */
typedef enum {
	/*! Boolean */
	/** Boolean */
	OF_ASN1_TAG_NUMBER_BOOLEAN	     = 0x01,
	/*! Integer */
	/** Integer */
	OF_ASN1_TAG_NUMBER_INTEGER	     = 0x02,
	/*! Bit string */
	/** Bit string */
	OF_ASN1_TAG_NUMBER_BIT_STRING	     = 0x03,
	/*! Octet string */
	/** Octet string */
	OF_ASN1_TAG_NUMBER_OCTET_STRING	     = 0x04,
	/*! Null */
	/** Null */
	OF_ASN1_TAG_NUMBER_NULL		     = 0x05,
	/*! Object Identifier */
	/** Object Identifier */
	OF_ASN1_TAG_NUMBER_OBJECT_IDENTIFIER = 0x06,
	/*! Enumerated */
	/** Enumerated */
	OF_ASN1_TAG_NUMBER_ENUMERATED	     = 0x0A,
	/*! UTF-8 string */
	/** UTF-8 string */
	OF_ASN1_TAG_NUMBER_UTF8_STRING	     = 0x0C,
	/*! Sequence */
	/** Sequence */
	OF_ASN1_TAG_NUMBER_SEQUENCE	     = 0x10,
	/*! Set */
	/** Set */
	OF_ASN1_TAG_NUMBER_SET		     = 0x11,
	/*! NumericString */
	/** NumericString */
	OF_ASN1_TAG_NUMBER_NUMERIC_STRING    = 0x12,
	/*! PrintableString */
	/** PrintableString */
	OF_ASN1_TAG_NUMBER_PRINTABLE_STRING  = 0x13,
	/*! IA5String */
	/** IA5String */
	OF_ASN1_TAG_NUMBER_IA5_STRING	     = 0x16
} of_asn1_tag_number_t;

/*!
/**
 * @brief A class representing an ASN.1 value.
 */
OF_SUBCLASSING_RESTRICTED
@interface OFASN1Value: OFObject
{
	of_asn1_tag_class_t _tagClass;
	of_asn1_tag_number_t _tagNumber;
	bool _constructed;
	OFData *_DEREncodedContents;
}

/*!
/**
 * @brief The tag class of the value's type.
 */
@property (readonly, nonatomic) of_asn1_tag_class_t tagClass;

/*!
/**
 * @brief The tag number of the value's type.
 */
@property (readonly, nonatomic) of_asn1_tag_number_t tagNumber;

/*!
/**
 * @brief Whether the value if of a constructed type.
 */
@property (readonly, nonatomic, getter=isConstructed) bool constructed;

/*!
/**
 * @brief The DER-encoded contents octets of the value.
 */
@property (readonly, nonatomic) OFData *DEREncodedContents;

/*!
/**
 * @brief Creates a new ASN.1 value with the specified arguments.
 *
 * @param tagClass The tag class of the value's type
 * @param tagNumber The tag number of the value's type
 * @param constructed Whether the value if of a constructed type
 * @param DEREncodedContents The DER-encoded contents octets of the value.
 * @return A new ASN.1 value
 */
+ (instancetype)valueWithTagClass: (of_asn1_tag_class_t)tagClass
			tagNumber: (of_asn1_tag_number_t)tagNumber
		      constructed: (bool)constructed
	       DEREncodedContents: (OFData *)DEREncodedContents;

- (instancetype)init OF_UNAVAILABLE;

/*!
/**
 * @brief Initializes an already allocated ASN.1 value with the specified
 *	  arguments.
 *
 * @param tagClass The tag class of the value's type
 * @param tagNumber The tag number of the value's type
 * @param constructed Whether the value if of a constructed type
 * @param DEREncodedContents The DER-encoded contents octets of the value.