public static bool TryReadUntill <TSequence>(ref BufferReader <TSequence> reader, out ReadOnlyBuffer <byte> bytes, ReadOnlySpan <byte> delimiter)
where TSequence : ISequence <ReadOnlyMemory <byte> >, ISlicable
{
if (delimiter.Length == 0)
{
bytes = default;
return(true);
}
int matched = 0;
var copy = reader;
var start = reader.Position;
var end = reader.Position;
while (!reader.End)
{
if (reader.Read() == delimiter[matched])
{
matched++;
}
else
{
end = reader.Position;
matched = 0;
}
if (matched >= delimiter.Length)
{
bytes = reader.Sequence.Slice(start, end);
return(true);
}
}
reader = copy;
bytes = default;
return(false);
}
public static bool TryReadUntill <TSequence>(ref BufferReader <TSequence> reader, out ReadOnlyBuffer <byte> bytes, byte delimiter)
where TSequence : ISequence <ReadOnlyMemory <byte> >, ISlicable
{
var copy = reader;
var start = reader.Position;
while (!reader.End)
{
SequencePosition end = reader.Position;
if (reader.Read() == delimiter)
{
bytes = reader.Sequence.Slice(start, end);
return(true);
}
}
reader = copy;
bytes = default;
return(false);
}