internal static ReadOnlySpan <byte> SliceTo(this ReadOnlySpan <byte> buffer, int start, byte terminator, out int consumedBytes)
{
var slice = buffer.Slice(start);
var index = ReadOnlySpanExtensions.IndexOf(slice, terminator);
if (index == -1)
{
consumedBytes = 0;
return(Span <byte> .Empty);
}
consumedBytes = index;
return(slice.Slice(0, index));
}
internal static ReadOnlySpan <byte> SliceTo(this ReadOnlySpan <byte> buffer, int start, byte terminatorFirst, byte terminatorSecond, out int consumedBytes)
{
int offset = 0;
while (true)
{
var slice = buffer.Slice(start + offset);
var index = ReadOnlySpanExtensions.IndexOf(slice, terminatorFirst);
if (index == -1 || index == slice.Length - 1)
{
consumedBytes = 0;
return(Span <byte> .Empty);
}
if (slice[index + 1] == terminatorSecond)
{
consumedBytes = index;
return(slice.Slice(0, index + offset));
}
else
{
offset += index;
}
}
}