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using System;
namespace Org.BouncyCastle.Asn1
{
/**
* BER TaggedObject - in ASN.1 notation this is any object preceded by
* a [n] where n is some number - these are assumed to follow the construction
* rules (as with sequences).
*/
public class BerTaggedObject
: DerTaggedObject
{
/**
* create an implicitly tagged object that contains a zero
* length sequence.
*/
[Obsolete("Will be removed")]
public BerTaggedObject(int tagNo)
: base(false, tagNo, BerSequence.Empty)
{
}
/**
* @param tagNo the tag number for this object.
* @param obj the tagged object.
*/
public BerTaggedObject(int tagNo, Asn1Encodable obj)
: base(true, tagNo, obj)
{
}
public BerTaggedObject(int tagClass, int tagNo, Asn1Encodable obj)
: base(true, tagClass, tagNo, obj)
{
}
/**
* @param isExplicit true if an explicitly tagged object.
* @param tagNo the tag number for this object.
* @param obj the tagged object.
*/
public BerTaggedObject(bool isExplicit, int tagNo, Asn1Encodable obj)
: base(isExplicit, tagNo, obj)
{
}
public BerTaggedObject(bool isExplicit, int tagClass, int tagNo, Asn1Encodable obj)
: base(isExplicit, tagClass, tagNo, obj)
{
}
internal BerTaggedObject(int explicitness, int tagClass, int tagNo, Asn1Encodable obj)
: base(explicitness, tagClass, tagNo, obj)
{
}
internal override string Asn1Encoding
{
get { return Ber; }
}
internal override IAsn1Encoding GetEncoding(int encoding)
{
if (Asn1OutputStream.EncodingBer != encoding)
return base.GetEncoding(encoding);
Asn1Object baseObject = GetBaseObject().ToAsn1Object();
if (!IsExplicit())
return baseObject.GetEncodingImplicit(encoding, TagClass, TagNo);
return new ConstructedILEncoding(TagClass, TagNo, new IAsn1Encoding[]{ baseObject.GetEncoding(encoding) });
}
internal override IAsn1Encoding GetEncodingImplicit(int encoding, int tagClass, int tagNo)
{
if (Asn1OutputStream.EncodingBer != encoding)
return base.GetEncodingImplicit(encoding, tagClass, tagNo);
Asn1Object baseObject = GetBaseObject().ToAsn1Object();
if (!IsExplicit())
return baseObject.GetEncodingImplicit(encoding, tagClass, tagNo);
return new ConstructedILEncoding(tagClass, tagNo, new IAsn1Encoding[]{ baseObject.GetEncoding(encoding) });
}
internal override Asn1Sequence RebuildConstructed(Asn1Object asn1Object)
{
return new BerSequence(asn1Object);
}
internal override Asn1TaggedObject ReplaceTag(int tagClass, int tagNo)
{
return new BerTaggedObject(explicitness, tagClass, tagNo, obj);
}
}
}
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