Initial Commit

iTechSharp/srcbc/asn1/cms/ContentInfoParser.cs

@@ -0,0 +1,40 @@
+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);
+		}
+	}
+}