public static void WriteValue(CborWriter writer, object value, bool useDefiniteLengthCollections = true)
{
switch (value)
{
case null: writer.WriteNull(); break;
case bool b: writer.WriteBoolean(b); break;
case int i: writer.WriteInt64(i); break;
case long i: writer.WriteInt64(i); break;
case ulong i: writer.WriteUInt64(i); break;
case float f: writer.WriteSingle(f); break;
case double d: writer.WriteDouble(d); break;
case string s: writer.WriteTextString(s); break;
case byte[] b: writer.WriteByteString(b); break;
case byte[][] chunks: WriteChunkedByteString(writer, chunks); break;
case string[] chunks: WriteChunkedTextString(writer, chunks); break;
case object[] nested when IsCborMapRepresentation(nested): WriteMap(writer, nested, useDefiniteLengthCollections); break;
case object[] nested: WriteArray(writer, nested, useDefiniteLengthCollections); break;
default: throw new ArgumentException($"Unrecognized argument type {value.GetType()}");
}
;
}
public static void ExecOperation(CborWriter writer, string op)
{
switch (op)
{
case nameof(writer.WriteInt64): writer.WriteInt64(42); break;
case nameof(writer.WriteByteString): writer.WriteByteString(Array.Empty <byte>()); break;
case nameof(writer.WriteTextString): writer.WriteTextString(""); break;
case nameof(writer.WriteStartTextStringIndefiniteLength): writer.WriteStartTextStringIndefiniteLength(); break;
case nameof(writer.WriteStartByteStringIndefiniteLength): writer.WriteStartByteStringIndefiniteLength(); break;
case nameof(writer.WriteStartArray): writer.WriteStartArrayIndefiniteLength(); break;
case nameof(writer.WriteStartMap): writer.WriteStartMapIndefiniteLength(); break;
case nameof(writer.WriteEndByteStringIndefiniteLength): writer.WriteEndByteStringIndefiniteLength(); break;
case nameof(writer.WriteEndTextStringIndefiniteLength): writer.WriteEndTextStringIndefiniteLength(); break;
case nameof(writer.WriteEndArray): writer.WriteEndArray(); break;
case nameof(writer.WriteEndMap): writer.WriteEndMap(); break;
default: throw new Exception($"Unrecognized CborWriter operation name {op}");
}
}
public static void WriteByteString_SingleValue_HappyPath(string hexInput, string hexExpectedEncoding)
{
byte[] expectedEncoding = hexExpectedEncoding.HexToByteArray();
byte[] input = hexInput.HexToByteArray();
using var writer = new CborWriter();
writer.WriteByteString(input);
AssertHelper.HexEqual(expectedEncoding, writer.GetEncoding());
}
public static void WriteValue(CborWriter writer, object value, bool useDefiniteLengthCollections = true)
{
switch (value)
{
case null: writer.WriteNull(); break;
case bool b: writer.WriteBoolean(b); break;
case int i: writer.WriteInt32(i); break;
case long i: writer.WriteInt64(i); break;
case ulong i: writer.WriteUInt64(i); break;
case float f: writer.WriteSingle(f); break;
case double d: writer.WriteDouble(d); break;
case decimal d: writer.WriteDecimal(d); break;
case string s: writer.WriteTextString(s); break;
case BigInteger i: writer.WriteBigInteger(i); break;
case DateTimeOffset d: writer.WriteDateTimeOffset(d); break;
case byte[] b: writer.WriteByteString(b); break;
case byte[][] chunks: WriteChunkedByteString(writer, chunks); break;
case string[] chunks when IsIndefiniteLengthByteString(chunks):
byte[][] byteChunks = chunks.Skip(1).Select(ch => ch.HexToByteArray()).ToArray();
WriteChunkedByteString(writer, byteChunks);
break;
case string[] chunks: WriteChunkedTextString(writer, chunks); break;
case object[] nested when IsCborMapRepresentation(nested): WriteMap(writer, nested, useDefiniteLengthCollections); break;
case object[] nested when IsEncodedValueRepresentation(nested):
byte[] encodedValue = ((string)nested[1]).HexToByteArray();
writer.WriteEncodedValue(encodedValue);
break;
case object[] nested when IsTaggedValueRepresentation(nested):
writer.WriteTag((CborTag)nested[0]);
WriteValue(writer, nested[1]);
break;
case object[] nested: WriteArray(writer, nested, useDefiniteLengthCollections); break;
default: throw new ArgumentException($"Unrecognized argument type {value.GetType()}");
}
;
}
public static void WriteChunkedByteString(CborWriter writer, byte[][] chunks)
{
writer.WriteStartByteStringIndefiniteLength();
foreach (byte[] chunk in chunks)
{
writer.WriteByteString(chunk);
}
writer.WriteEndByteStringIndefiniteLength();
}
public static void WriteEncodedValue_IndefiniteLengthByteString_HappyPath()
{
using var writer = new CborWriter(encodeIndefiniteLengths: true);
writer.WriteStartByteString();
writer.WriteByteString(new byte[] { 1, 1, 1 });
writer.WriteEncodedValue("43020202".HexToByteArray());
writer.WriteEndByteString();
byte[] encoding = writer.GetEncoding();
Assert.Equal("5f4301010143020202ff", encoding.ByteArrayToHex().ToLower());
}
public static void Roundtrip_ByteString(string?hexInput)
{
byte[]? input = hexInput?.HexToByteArray();
#endif
using var writer = new CborWriter();
writer.WriteByteString(input);
byte[] encoding = writer.GetEncoding();
var reader = new CborReader(encoding);
byte[] result = reader.ReadByteString();
AssertHelper.HexEqual(input ?? Array.Empty <byte>(), result);
}
public static void ByteString_Encoding_ShouldContainInputBytes(string?hexInput)
{
byte[]? input = hexInput?.HexToByteArray();
#endif
using var writer = new CborWriter();
writer.WriteByteString(input);
byte[] encoding = writer.GetEncoding();
int length = input?.Length ?? 0;
int lengthEncodingLength = GetLengthEncodingLength(length);
Assert.Equal(lengthEncodingLength + length, encoding.Length);
AssertHelper.HexEqual(input ?? Array.Empty <byte>(), encoding.Skip(lengthEncodingLength).ToArray());
public static void WriteArray(CborWriter writer, params object[] values)
{
writer.WriteStartArray(values.Length);
foreach (object value in values)
{
switch (value)
{
case int i: writer.WriteInt64(i); break;
case string s: writer.WriteTextString(s); break;
case byte[] b: writer.WriteByteString(b); break;
case object[] nested: ArrayWriterHelper.WriteArray(writer, nested); break;
default: throw new ArgumentException($"Unrecognized argument type {value.GetType()}");
}
;
}
writer.WriteEndArray();
}
public static void WriteValue(CborWriter writer, object value)
{
switch (value)
{
case int i: writer.WriteInt64(i); break;
case long i: writer.WriteInt64(i); break;
case ulong i: writer.WriteUInt64(i); break;
case string s: writer.WriteTextString(s); break;
case byte[] b: writer.WriteByteString(b); break;
case object[] nested when IsCborMapRepresentation(nested): WriteMap(writer, nested); break;
case object[] nested: WriteArray(writer, nested); break;
default: throw new ArgumentException($"Unrecognized argument type {value.GetType()}");
}
;
}
