public CreateParserParams(
long startPosition,
FileRange.Range?range = null,
MessagesParserFlag flags = MessagesParserFlag.Default,
MessagesParserDirection direction = MessagesParserDirection.Forward,
Func <IMessagesPostprocessor> postprocessor = null
)
{
this.StartPosition = startPosition;
this.Range = range;
this.Flags = flags;
this.Direction = direction;
this.PostprocessorsFactory = postprocessor;
}
protected static MakeMessageFlags ParserFlagsToMakeMessageFlags(MessagesParserFlag flags)
{
MakeMessageFlags ret = MakeMessageFlags.Default;
if ((flags & MessagesParserFlag.HintMessageTimeIsNotNeeded) != 0)
{
ret |= MakeMessageFlags.HintIgnoreTime;
}
if ((flags & MessagesParserFlag.HintMessageContentIsNotNeeed) != 0)
{
ret |= (MakeMessageFlags.HintIgnoreBody | MakeMessageFlags.HintIgnoreEntryType
| MakeMessageFlags.HintIgnoreSeverity | MakeMessageFlags.HintIgnoreThread);
}
return(ret);
}
public CreateParserParams(
long startPosition,
FileRange.Range?range = null,
MessagesParserFlag flags = MessagesParserFlag.Default,
MessagesParserDirection direction = MessagesParserDirection.Forward,
Func <IMessagesPostprocessor> postprocessor = null,
CancellationToken?cancellation = null
)
{
this.StartPosition = startPosition;
this.Range = range;
this.Flags = flags;
this.Direction = direction;
this.PostprocessorsFactory = postprocessor;
this.Cancellation = cancellation.GetValueOrDefault(CancellationToken.None);
}
static public IMessage ReadNearestMessage(IPositionedMessagesReader reader, long position, MessagesParserFlag flags)
{
using (IPositionedMessagesParser parser = reader.CreateParser(new CreateParserParams(position, null, flags, MessagesParserDirection.Forward)))
{
IMessage ret = parser.ReadNext();
return(ret);
}
}
static public async Task <IMessage> ReadNearestMessage(IPositionedMessagesReader reader, long position, MessagesParserFlag flags)
{
return(await DisposableAsync.Using(await reader.CreateParser(new CreateParserParams(position, null, flags, MessagesParserDirection.Forward)), async parser =>
{
IMessage ret = await parser.ReadNext();
return ret;
}));
}
