/// <summary>
/// Parse the data from the input buffer recursively and return the root as an
/// object of a subclass of DerNode.
/// </summary>
///
/// <param name="inputBuf">position.</param>
/// <param name="startIdx">The offset into the buffer.</param>
/// <returns>An object of a subclass of DerNode.</returns>
public static DerNode parse(ByteBuffer inputBuf, int startIdx)
{
if (inputBuf.limit() <= startIdx)
{
throw new DerDecodingException(
"DerNode.parse: The input length is too small");
}
int nodeType = ((int)inputBuf.get(startIdx)) & 0xff;
// Don't increment idx. We're just peeking.
DerNode newNode;
if (nodeType == net.named_data.jndn.encoding.der.DerNodeType.Boolean)
{
newNode = new DerNode.DerBoolean();
}
else if (nodeType == net.named_data.jndn.encoding.der.DerNodeType.Integer)
{
newNode = new DerNode.DerInteger();
}
else if (nodeType == net.named_data.jndn.encoding.der.DerNodeType.BitString)
{
newNode = new DerNode.DerBitString();
}
else if (nodeType == net.named_data.jndn.encoding.der.DerNodeType.OctetString)
{
newNode = new DerNode.DerOctetString();
}
else if (nodeType == net.named_data.jndn.encoding.der.DerNodeType.Null)
{
newNode = new DerNode.DerNull();
}
else if (nodeType == net.named_data.jndn.encoding.der.DerNodeType.ObjectIdentifier)
{
newNode = new DerNode.DerOid();
}
else if (nodeType == net.named_data.jndn.encoding.der.DerNodeType.Sequence)
{
newNode = new DerNode.DerSequence();
}
else if (nodeType == net.named_data.jndn.encoding.der.DerNodeType.PrintableString)
{
newNode = new DerNode.DerPrintableString();
}
else if (nodeType == net.named_data.jndn.encoding.der.DerNodeType.GeneralizedTime)
{
newNode = new DerNode.DerGeneralizedTime();
}
else if ((nodeType & 0xe0) == net.named_data.jndn.encoding.der.DerNodeType.ExplicitlyTagged)
{
newNode = new DerNode.DerExplicitlyTagged(nodeType & 0x1f);
}
else
{
throw new DerDecodingException("Unimplemented DER type " + nodeType);
}
newNode.decode(inputBuf, startIdx);
return(newNode);
}
/// <summary>
/// Parse the data from the input buffer recursively and return the root as an
/// object of a subclass of DerNode.
/// </summary>
///
/// <param name="inputBuf">position.</param>
/// <param name="startIdx">The offset into the buffer.</param>
/// <returns>An object of a subclass of DerNode.</returns>
public static DerNode parse(ByteBuffer inputBuf, int startIdx)
{
int nodeType = ((int) inputBuf.get(startIdx)) & 0xff;
// Don't increment idx. We're just peeking.
DerNode newNode;
if (nodeType == net.named_data.jndn.encoding.der.DerNodeType.Boolean)
newNode = new DerNode.DerBoolean ();
else if (nodeType == net.named_data.jndn.encoding.der.DerNodeType.Integer)
newNode = new DerNode.DerInteger ();
else if (nodeType == net.named_data.jndn.encoding.der.DerNodeType.BitString)
newNode = new DerNode.DerBitString ();
else if (nodeType == net.named_data.jndn.encoding.der.DerNodeType.OctetString)
newNode = new DerNode.DerOctetString ();
else if (nodeType == net.named_data.jndn.encoding.der.DerNodeType.Null)
newNode = new DerNode.DerNull ();
else if (nodeType == net.named_data.jndn.encoding.der.DerNodeType.ObjectIdentifier)
newNode = new DerNode.DerOid ();
else if (nodeType == net.named_data.jndn.encoding.der.DerNodeType.Sequence)
newNode = new DerNode.DerSequence ();
else if (nodeType == net.named_data.jndn.encoding.der.DerNodeType.PrintableString)
newNode = new DerNode.DerPrintableString ();
else if (nodeType == net.named_data.jndn.encoding.der.DerNodeType.GeneralizedTime)
newNode = new DerNode.DerGeneralizedTime ();
else
throw new DerDecodingException("Unimplemented DER type " + nodeType);
newNode.decode(inputBuf, startIdx);
return newNode;
}
