internal static bool TryParseInternal(ReadOnlySpan <byte> bEncodedObject, ref int offset, ref BObject bInteger)
{
int availableBytes = bEncodedObject.Length - offset;
int length = 0;
bool negative = false;
while (true)
{
if (availableBytes-- == 0)
{
return(false);
}
byte b = bEncodedObject[offset++];
if (b == NegativeByte)
{
if (negative)
{
return(false);
}
if (length != 0)
{
return(false);
}
negative = true;
}
else if (b == EndByte)
{
break;
}
else if (b >= ZeroByte && b <= NineByte)
{
if (length++ >= MaxLength)
{
return(false);
}
}
else
{
return(false);
}
}
long value = 0;
for (int i = 0; i < length; i++)
{
value += (bEncodedObject[offset - 2 - i] - ZeroByte) * PowersOfTen[i];
}
if (negative)
{
value = -value;
}
if (negative && value == 0)
{
return(false);
}
bInteger = new BInteger(value);
return(true);
}
internal static bool TryParseInternal(ReadOnlySpan <byte> bEncodedObject, ref int offset, ref BObject bString)
{
int availableBytes = bEncodedObject.Length - offset;
int lengthBytes = 0;
while (true)
{
if (availableBytes-- == 0)
{
return(false);
}
byte b = bEncodedObject[offset++];
if (b >= ZeroByte && b <= NineByte)
{
if (lengthBytes++ >= MaxLengthBytes)
{
return(false);
}
}
else if (b == LengthSeparatorByte)
{
break;
}
else
{
return(false);
}
}
int length = 0;
for (int i = 0; i < lengthBytes; i++)
{
length += (bEncodedObject[offset - 2 - i] - ZeroByte) * PowersOfTen[i];
}
if (availableBytes < length)
{
return(false);
}
byte[] bytes = bEncodedObject.Slice(offset, length).ToArray();
offset += length;
bString = new BString(bytes);
return(true);
}
