public ImmutableList <byte> GetNewTextId(ChromGroupHeaderInfo chromGroupHeaderInfo)
{
byte[] textIdBytes = _originalCache.GetTextIdBytes(chromGroupHeaderInfo.TextIdIndex, chromGroupHeaderInfo.TextIdLen);
if (textIdBytes == null)
{
return(null);
}
const CacheFormatVersion versionNewTextId = CacheFormatVersion.Thirteen;
ImmutableList <byte> newTextId;
if (_originalCache.Version < versionNewTextId ||
_cacheFormat.FormatVersion >= versionNewTextId)
{
newTextId = ImmutableList.ValueOf(textIdBytes);
}
else
{
if (textIdBytes[0] == '#')
{
newTextId = ImmutableList.ValueOf(textIdBytes);
}
else
{
var oldKey = new PeptideLibraryKey(Encoding.UTF8.GetString(textIdBytes), 0);
var newKey = oldKey.FormatToOneDecimal();
newTextId = ImmutableList.ValueOf(Encoding.UTF8.GetBytes(newKey.ModifiedSequence));
}
}
return(newTextId);
}