public Prefix(ulong version, MulticodecCode codec, HashType mhType, int mhLength)
{
Version = version;
Codec = codec;
MultihashType = mhType;
MultihashLength = mhLength;
}
public static byte[] SplitPrefix(byte[] data, int offset, int count, out MulticodecCode code)
{
ulong ulcode;
var n = Binary.Varint.Read(data, offset, out ulcode);
code = (MulticodecCode)ulcode;
return(data.Skip(offset + n).Take(count - (offset + n)).ToArray());
}
public void RoundTrip(MulticodecCode code)
{
var data = Encoding.UTF8.GetBytes("Hello World");
var mcdata = MulticodecPacked.AddPrefix(code, data);
MulticodecCode outc;
var outdata = MulticodecPacked.SplitPrefix(mcdata, out outc);
Assert.Equal(outc, code);
Assert.Equal(MulticodecPacked.GetCode(mcdata), code);
Assert.Equal(outdata, data);
}
public static string GetString(this MulticodecCode code)
{
var memberInfo = code.GetType().GetMember(code.ToString());
if (memberInfo != null && memberInfo.Length > 0)
{
var attr = memberInfo[0].GetCustomAttribute <StringValueAttribute>();
if (attr != null)
{
return(attr.Value);
}
}
return(code.ToString().ToLower());
}
public void CanGetCorrectEnumFromNumber(ulong n, MulticodecCode expected)
{
Assert.Equal((MulticodecCode)n, expected);
}
public void CanGetStringValuOfCode(MulticodecCode code, string expected)
{
Assert.Equal(code.GetString(), expected);
}
public Cid(MulticodecCode codec, Multihash hash)
: this(1, codec, hash)
{
}
protected Cid(ulong version, MulticodecCode codec, Multihash hash)
{
_version = version;
Type = codec;
Hash = hash;
}
public static byte[] SplitPrefix(byte[] data, int offset, out MulticodecCode code) => SplitPrefix(data, offset, data.Length - offset, out code);
public static byte[] SplitPrefix(byte[] data, out MulticodecCode code) => SplitPrefix(data, 0, data.Length, out code);
public static byte[] AddPrefix(MulticodecCode code, byte[] data, int offset = 0, int?count = null) => Binary.Varint.GetBytes((ulong)code).Concat(data.Skip(offset).Take(count ?? data.Length - offset)).ToArray();
public void Register(MulticodecCode codec, Func <IBlock, INode> decoder)
{
_decoders.AddOrUpdate(codec, decoder, (c, existing) => decoder);
}
