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using System;
namespace Org.BouncyCastle.Asn1.X509.Qualified
{
/**
* The SemanticsInformation object.
* <pre>
* SemanticsInformation ::= SEQUENCE {
* semanticsIdentifier OBJECT IDENTIFIER OPTIONAL,
* nameRegistrationAuthorities NameRegistrationAuthorities
* OPTIONAL }
* (WITH COMPONENTS {..., semanticsIdentifier PRESENT}|
* WITH COMPONENTS {..., nameRegistrationAuthorities PRESENT})
*
* NameRegistrationAuthorities ::= SEQUENCE SIZE (1..MAX) OF
* GeneralName
* </pre>
*/
public class SemanticsInformation
: Asn1Encodable
{
public static SemanticsInformation GetInstance(object obj)
{
if (obj == null)
return null;
if (obj is SemanticsInformation semanticsInformation)
return semanticsInformation;
return new SemanticsInformation(Asn1Sequence.GetInstance(obj));
}
public static SemanticsInformation GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit) =>
new SemanticsInformation(Asn1Sequence.GetInstance(taggedObject, declaredExplicit));
public static SemanticsInformation GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit) =>
new SemanticsInformation(Asn1Sequence.GetTagged(taggedObject, declaredExplicit));
private readonly DerObjectIdentifier m_semanticsIdentifier;
private readonly GeneralName[] m_nameRegistrationAuthorities;
public SemanticsInformation(Asn1Sequence seq)
{
int count = seq.Count, pos = 0;
// NOTE: At least one of 'semanticsIdentifier' or 'nameRegistrationAuthorities' must be present
if (count < 1 || count > 2)
throw new ArgumentException("Bad sequence size: " + count, nameof(seq));
m_semanticsIdentifier = Asn1Utilities.ReadOptional(seq, ref pos, DerObjectIdentifier.GetOptional);
m_nameRegistrationAuthorities = Asn1Utilities.ReadOptional(seq, ref pos, Asn1Sequence.GetOptional)
?.MapElements(GeneralName.GetInstance);
if (pos != count)
throw new ArgumentException("Unexpected elements in sequence", nameof(seq));
}
public SemanticsInformation(DerObjectIdentifier semanticsIdentifier)
: this(semanticsIdentifier, null)
{
}
// TODO[api] Rename parameter
public SemanticsInformation(GeneralName[] generalNames)
: this(null, generalNames)
{
}
public SemanticsInformation(DerObjectIdentifier semanticsIdentifier, GeneralName[] generalNames)
{
if (semanticsIdentifier == null && generalNames == null)
throw new ArgumentException("At least one option must be present");
m_semanticsIdentifier = semanticsIdentifier;
m_nameRegistrationAuthorities = generalNames;
}
public DerObjectIdentifier SemanticsIdentifier => m_semanticsIdentifier;
public GeneralName[] GetNameRegistrationAuthorities() => m_nameRegistrationAuthorities;
public override Asn1Object ToAsn1Object()
{
Asn1EncodableVector v = new Asn1EncodableVector(2);
v.AddOptional(m_semanticsIdentifier);
v.AddOptional(DerSequence.FromElementsOptional(m_nameRegistrationAuthorities));
return new DerSequence(v);
}
}
}
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