public SearchingParser(
IPositionedMessagesReader owner,
CreateSearchingParserParams p,
TextStreamPositioningParams textStreamPositioningParams,
DejitteringParams?dejitteringParams,
Stream rawStream,
Encoding streamEncoding,
bool allowPlainTextSearchOptimization,
LoadedRegex headerRe,
ILogSourceThreads threads,
ITraceSourceFactory traceSourceFactory,
RegularExpressions.IRegexFactory regexFactory
)
{
this.owner = owner;
this.parserParams = p;
this.plainTextSearchOptimizationAllowed = allowPlainTextSearchOptimization && ((p.Flags & MessagesParserFlag.DisablePlainTextSearchOptimization) == 0);
this.threads = threads;
this.requestedRange = p.Range;
this.textStreamPositioningParams = textStreamPositioningParams;
this.dejitteringParams = dejitteringParams;
this.rawStream = rawStream;
this.streamEncoding = streamEncoding;
this.regexFactory = regexFactory;
this.trace = traceSourceFactory.CreateTraceSource("LogSource", "srchp." + GetHashCode().ToString("x"));
this.dummyFilter = new Filter(FilterAction.Include, "", true, new Search.Options(), null, regexFactory);
var continuationToken = p.ContinuationToken as ContinuationToken;
if (continuationToken != null)
{
this.requestedRange = new FileRange.Range(continuationToken.NextPosition, requestedRange.End);
}
this.aligmentTextAccess = new StreamTextAccess(rawStream, streamEncoding, textStreamPositioningParams);
this.aligmentSplitter = new MessagesSplitter(aligmentTextAccess, headerRe.Clone().Regex, headerRe.GetHeaderReSplitterFlags());
this.aligmentCapture = new TextMessageCapture();
this.progressAndCancellation = new ProgressAndCancellation()
{
progressHandler = p.ProgressHandler,
cancellationToken = p.Cancellation,
continuationToken = new ContinuationToken()
{
NextPosition = requestedRange.Begin
}
};
this.impl = Enum();
}
protected static LoadedRegex ReadRe(XElement root, string name, ReOptions opts)
{
LoadedRegex ret = new LoadedRegex();
var n = root.Element(name);
if (n == null)
{
return(ret);
}
string pattern = n.Value;
if (string.IsNullOrEmpty(pattern))
{
return(ret);
}
ret.Regex = RegexFactory.Instance.Create(pattern, opts);
XAttribute attr;
ret.SuffersFromPartialMatchProblem =
(attr = n.Attribute("suffers-from-partial-match-problem")) != null &&
attr.Value == "yes";
return(ret);
}
protected static LoadedRegex CloneRegex(LoadedRegex re, ReOptions optionsToAdd = ReOptions.None)
{
return(re.Clone(optionsToAdd));
}