ContentInfoParser.cs :  » PDF » iTextSharp » Org » BouncyCastle » Asn1 » Cms » C# / CSharp Open Source

using System;

namespace Org.BouncyCastle.Asn1.Cms{
  /**
  * Produce an object suitable for an Asn1OutputStream.
  * <pre>
  * ContentInfo ::= SEQUENCE {
  *          contentType ContentType,
  *          content
  *          [0] EXPLICIT ANY DEFINED BY contentType OPTIONAL }
  * </pre>
  */
  public class ContentInfoParser
  {
    private DerObjectIdentifier    contentType;
    private Asn1TaggedObjectParser  content;

    public ContentInfoParser(
      Asn1SequenceParser seq)
    {
      contentType = (DerObjectIdentifier)seq.ReadObject();
      content = (Asn1TaggedObjectParser)seq.ReadObject();
    }

    public DerObjectIdentifier ContentType
    {
      get { return contentType; }
    }

    public IAsn1Convertible GetContent(
      int tag)
    {
      if (content == null)
        return null;

      return content.GetObjectParser(tag, true);
    }
  }
}