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using System;
namespace Org.BouncyCastle.Asn1
{
/**
* DER 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 DerTaggedObject
: Asn1TaggedObject
{
public DerTaggedObject(int tagNo, Asn1Encodable obj)
: base(true, tagNo, obj)
{
}
public DerTaggedObject(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 DerTaggedObject(bool isExplicit, int tagNo, Asn1Encodable obj)
: base(isExplicit, tagNo, obj)
{
}
public DerTaggedObject(bool isExplicit, int tagClass, int tagNo, Asn1Encodable obj)
: base(isExplicit, tagClass, tagNo, obj)
{
}
internal DerTaggedObject(int explicitness, int tagClass, int tagNo, Asn1Encodable obj)
: base(explicitness, tagClass, tagNo, obj)
{
}
internal override string Asn1Encoding
{
get { return Der; }
}
internal override IAsn1Encoding GetEncoding(int encoding)
{
encoding = Asn1OutputStream.EncodingDer;
Asn1Object baseObject = GetBaseObject().ToAsn1Object();
if (!IsExplicit())
return baseObject.GetEncodingImplicit(encoding, TagClass, TagNo);
return new ConstructedDLEncoding(TagClass, TagNo, new IAsn1Encoding[]{ baseObject.GetEncoding(encoding) });
}
internal override IAsn1Encoding GetEncodingImplicit(int encoding, int tagClass, int tagNo)
{
encoding = Asn1OutputStream.EncodingDer;
Asn1Object baseObject = GetBaseObject().ToAsn1Object();
if (!IsExplicit())
return baseObject.GetEncodingImplicit(encoding, tagClass, tagNo);
return new ConstructedDLEncoding(tagClass, tagNo, new IAsn1Encoding[]{ baseObject.GetEncoding(encoding) });
}
internal sealed override DerEncoding GetEncodingDer()
{
Asn1Object baseObject = GetBaseObject().ToAsn1Object();
if (!IsExplicit())
return baseObject.GetEncodingDerImplicit(TagClass, TagNo);
return new ConstructedDerEncoding(TagClass, TagNo, new DerEncoding[]{ baseObject.GetEncodingDer() });
}
internal sealed override DerEncoding GetEncodingDerImplicit(int tagClass, int tagNo)
{
Asn1Object baseObject = GetBaseObject().ToAsn1Object();
if (!IsExplicit())
return baseObject.GetEncodingDerImplicit(tagClass, tagNo);
return new ConstructedDerEncoding(tagClass, tagNo, new DerEncoding[]{ baseObject.GetEncodingDer() });
}
internal override Asn1Sequence RebuildConstructed(Asn1Object asn1Object)
{
return new DerSequence(asn1Object);
}
internal override Asn1TaggedObject ReplaceTag(int tagClass, int tagNo)
{
return new DerTaggedObject(m_explicitness, tagClass, tagNo, m_object);
}
}
}
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