private CBORObject ReadStringArrayMap(int type, long uadditional)
{
bool canonical = this.options.Ctap2Canonical;
if (type == 2 || type == 3) // Byte string or text string
{
if ((uadditional >> 31) != 0)
{
throw new CBORException("Length of " +
ToUnsignedEInteger(uadditional).ToString() + " is bigger" +
"\u0020than supported");
}
int hint = (uadditional > Int32.MaxValue ||
(uadditional >> 63) != 0) ? Int32.MaxValue : (int)uadditional;
byte[] data = ReadByteData(this.stream, uadditional, null);
if (type == 3)
{
if (!CBORUtilities.CheckUtf8(data))
{
throw new CBORException("Invalid UTF-8");
}
return(this.ObjectFromUtf8Array(data, hint));
}
else
{
return(this.ObjectFromByteArray(data, hint));
}
}
if (type == 4) // Array
{
if (this.options.Ctap2Canonical && this.depth >= 4)
{
throw new CBORException("Depth too high in canonical CBOR");
}
CBORObject cbor = CBORObject.NewArray();
if ((uadditional >> 31) != 0)
{
throw new CBORException("Length of " +
ToUnsignedEInteger(uadditional).ToString() + " is bigger than" +
"\u0020supported");
}
if (PropertyMap.ExceedsKnownLength(this.stream, uadditional))
{
throw new CBORException("Remaining data too small for array" +
"\u0020length");
}
++this.depth;
for (long i = 0; i < uadditional; ++i)
{
cbor.Add(
this.ReadInternal());
}
--this.depth;
return(cbor);
}
if (type == 5) // Map, type 5
{
if (this.options.Ctap2Canonical && this.depth >= 4)
{
throw new CBORException("Depth too high in canonical CBOR");
}
CBORObject cbor = CBORObject.NewMap();
if ((uadditional >> 31) != 0)
{
throw new CBORException("Length of " +
ToUnsignedEInteger(uadditional).ToString() + " is bigger than" +
"\u0020supported");
}
if (PropertyMap.ExceedsKnownLength(this.stream, uadditional))
{
throw new CBORException("Remaining data too small for map" +
"\u0020length");
}
CBORObject lastKey = null;
IComparer <CBORObject> comparer = CBORCanonical.Comparer;
for (long i = 0; i < uadditional; ++i)
{
++this.depth;
CBORObject key = this.ReadInternal();
CBORObject value = this.ReadInternal();
--this.depth;
if (this.options.Ctap2Canonical && lastKey != null)
{
int cmp = comparer.Compare(lastKey, key);
if (cmp > 0)
{
throw new CBORException("Map key not in canonical order");
}
else if (cmp == 0)
{
throw new CBORException("Duplicate map key");
}
}
if (!this.options.AllowDuplicateKeys)
{
if (cbor.ContainsKey(key))
{
throw new CBORException("Duplicate key already exists");
}
}
lastKey = key;
cbor[key] = value;
}
return(cbor);
}
return(null);
}
