internal static int FindNextCrLf(BufferReader reader) // very deliberately not ref; want snapshot
{
// is it in the current span? (we need to handle the offsets differently if so)
int totalSkipped = 0;
bool haveTrailingCR = false;
do
{
if (reader.RemainingThisSpan == 0)
{
continue;
}
var span = reader.SlicedSpan;
if (haveTrailingCR)
{
if (span[0] == '\n')
{
return(totalSkipped - 1);
}
}
int found = span.VectorSafeIndexOfCRLF();
if (found >= 0)
{
return(totalSkipped + found);
}
haveTrailingCR = span[span.Length - 1] == '\r';
totalSkipped += span.Length;
}while (reader.FetchNextSegment());
return(-1);
}
internal static int FindNext(BufferReader reader, byte value) // very deliberately not ref; want snapshot
{
int totalSkipped = 0;
do
{
if (reader.RemainingThisSpan == 0)
{
continue;
}
var span = reader.SlicedSpan;
int found = span.VectorSafeIndexOf(value);
if (found >= 0)
{
return(totalSkipped + found);
}
totalSkipped += span.Length;
} while (reader.FetchNextSegment());
return(-1);
}