public static ImmutableBytes WriteByte(
ImmutableBytes bytes,
ByteAddress address,
byte value)
{
if (address.IsOutOfRange(bytes.Size))
{
throw new InvalidOperationException("out of range");
}
return(new ImmutableBytes(bytes.OriginalBytes, bytes.Edits.Add(address.Value, value)));
}
public byte ReadByte(ByteAddress address)
{
var dynamicSize = DynamicMemory.Size;
if (address.IsInRange(dynamicSize))
{
return(ImmutableBytes.ReadByte(DynamicMemory, address));
}
var staticAddress = address.DecrementBy(dynamicSize);
return(staticAddress.DereferenceBytes(StaticMemory));
}
public static byte ReadByte(ImmutableBytes bytes, ByteAddress address)
{
if (address.IsOutOfRange(bytes.Size))
{
throw new InvalidOperationException("out of range");
}
if (bytes.Edits.TryGetValue(address.Value, out var recordedEdit))
{
return(recordedEdit);
}
return(bytes.OriginalBytes[address.Value]);
}
public Story WriteByte(ByteAddress address, byte value)
{
var dynamicMemory = ImmutableBytes.WriteByte(DynamicMemory, address, value);
return(new Story(dynamicMemory, StaticMemory));
}
private Story(ImmutableBytes dynamicMemory, ImmutableArray <byte> staticMemory)
{
DynamicMemory = dynamicMemory;
StaticMemory = staticMemory;
}
private Story(byte[] dynamicBytes, byte[] staticBytes)
{
DynamicMemory = ImmutableBytes.Create(dynamicBytes);
StaticMemory = ImmutableArray.Create(staticBytes);
}