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//===----------------------------------------------------------------------===//
//
// This source file is part of the SwiftCertificates open source project
//
// Copyright (c) 2022 Apple Inc. and the SwiftCertificates project authors
// Licensed under Apache License v2.0
//
// See LICENSE.txt for license information
// See CONTRIBUTORS.txt for the list of SwiftCertificates project authors
//
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//
import SwiftASN1
/// A DirectoryString is defined as:
///
/// ```
/// DirectoryString ::= CHOICE {
/// teletexString TeletexString (SIZE (1..MAX)),
/// printableString PrintableString (SIZE (1..MAX)),
/// universalString UniversalString (SIZE (1..MAX)),
/// utf8String UTF8String (SIZE (1..MAX)),
/// bmpString BMPString (SIZE (1..MAX)) }
/// ```
///
/// Note that these upper bounds are measured in _characters_, not bytes.
///
@usableFromInline
enum DirectoryString: DERParseable, DERSerializable, Hashable {
case teletexString(ASN1TeletexString)
case printableString(ASN1PrintableString)
case universalString(ASN1UniversalString)
case utf8String(ASN1UTF8String)
case bmpString(ASN1BMPString)
@inlinable
init(derEncoded rootNode: ASN1Node) throws {
switch rootNode.identifier {
case .teletexString:
self = .teletexString(try ASN1TeletexString(derEncoded: rootNode))
case .printableString:
self = .printableString(try ASN1PrintableString(derEncoded: rootNode))
case .universalString:
self = .universalString(try ASN1UniversalString(derEncoded: rootNode))
case .utf8String:
self = .utf8String(try ASN1UTF8String(derEncoded: rootNode))
case .bmpString:
self = .bmpString(try ASN1BMPString(derEncoded: rootNode))
default:
throw ASN1Error.unexpectedFieldType(rootNode.identifier)
}
}
@inlinable
func serialize(into coder: inout DER.Serializer) throws {
switch self {
case .teletexString(let string):
try string.serialize(into: &coder)
case .printableString(let string):
try string.serialize(into: &coder)
case .universalString(let string):
try string.serialize(into: &coder)
case .utf8String(let string):
try string.serialize(into: &coder)
case .bmpString(let string):
try string.serialize(into: &coder)
}
}
}
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