public Log Read()
{
Log log;
if (previousLine == null)
{
previousLine = lineReader.Read();
}
if (previousLine == null)
{
return(null);
}
do
{
log = new Log();
log.Lines.Add(previousLine);
while (true)
{
previousLine = lineReader.Read();
if (previousLine == null)
{
break;
}
if (logPrefixMatcher.Match(previousLine.Value))
{
break;
}
log.Lines.Add(previousLine);
}
if (discardLogMatcher.Match(log.ToSingleLine()))
{
log = null; // me must restart loading of a new log
}
} while ((previousLine != null) && (log == null));
return(log);
}