public StructuredTextLogger(string path, IAnalytics analytics)
{
_depth = 0;
_path = path;
_analytics = analytics;
_structuredTextDocument = new StructuredTextDocument <LogEntry>(path,
// DateTime.ToString("o") => "2015-08-04T00:08:38.5489308Z"
e => string.Join(LogEntrySeparator, e.LogTime.ToString("o"), e.Message, e.Id, (int)e.Type),
str =>
{
var splitted = str.Split(new[] { LogEntrySeparator }, StringSplitOptions.None);
if (splitted.Length == 4)
{
var time = DateTime.Parse(splitted[0]).ToUniversalTime();
var message = UnsanitizeValue(splitted[1]);
var id = splitted[2];
var type = (LogEntryType)Int32.Parse(splitted[3]);
return(new LogEntry(time, id, message, type));
}
else
{
throw new FormatException(string.Format("the log line \"{0}\" is in an invalid format", str));
}
});
}
private IEnumerable <StructuredTextDocumentEntry <T> > ParseLines(string[] lines, int startIndex, int depth)
{
List <StructuredTextDocumentEntry <T> > collection = new List <StructuredTextDocumentEntry <T> >();
StructuredTextDocumentEntry <T> logEntry = null;
for (var i = startIndex; i < lines.Length; i++)
{
//skip empty lines
if (string.IsNullOrWhiteSpace(lines[i]))
{
continue;
}
var entryDepth = StructuredTextDocument.GetEntryDepth(lines[i]);
if (entryDepth == depth)
{
logEntry = new StructuredTextDocumentEntry <T>
{
LogEntry = _deserializer(lines[i].Substring(depth)),
Children = Enumerable.Empty <StructuredTextDocumentEntry <T> >()
};
collection.Add(logEntry);
}
else if (entryDepth > depth)
{
if (logEntry == null)
{
throw new FormatException(string.Format("log file '{0}' is in an invalid format", _path));
}
logEntry.Children = ParseLines(lines, i, entryDepth);
i += (logEntry.Children.Count() - 1);
}
else if (entryDepth < depth)
{
return(collection);
}
}
return(collection);
}
