IEnumerable <object> IPowerLogEventParser.ParseEvents(
ref string text)
{
var allParsedEvents = new List <object>();
using (var lines = new TrackingEnumerator <string>(__GetLines(text)))
{
lines.MoveNext();
while (!lines.HasCompleted)
{
IEnumerable <string> linesConsumed = null;
foreach (IGameStateDebugEventParser gameStateDebugEventParser in _gameStateDebugEventParsers)
{
linesConsumed = gameStateDebugEventParser.TryParseEvents(lines, _parseContext, out IEnumerable <object> parsedEvents);
if (linesConsumed == null)
{
continue;
}
if (parsedEvents == null)
{
text = string.Join(Environment.NewLine, linesConsumed.Select(__line => LINE_PREFIX + __line));
return(allParsedEvents);
}
allParsedEvents.AddRange(parsedEvents);
break;
}
if (linesConsumed == null)
{
lines.MoveNext();
}
}
}
text = null;
return(allParsedEvents);
IEnumerator <string> __GetLines(
string source)
{
using (var stringReader = new StringReader(source))
{
string currentLine;
Match match;
while ((currentLine = stringReader.ReadLine()) != null)
{
if ((match = s_gameStateMethodPattern.Match(currentLine)).Success)
{
yield return(match.Groups["Output"].Value);
}
}
}
}
}
IEnumerable <string> IGameStateDebugEventParser.TryParseEvents(
TrackingEnumerator <string> lines,
ParseContext parseContext,
out IEnumerable <object> parsedEvents)
{
parsedEvents = null;
// Check if the current line starts this parser
string currentLine = lines.Current;
Match match = _startPattern.Match(currentLine);
if (!match.Success)
{
return(null);
}
// Start tracking lines consumed from the enumerator
var linesConsumed = new List <string> {
currentLine
};
lines.MoveNext();
// Create a text pattern to detect when to stop parsing
var nestedOffsetPattern = new Regex($@"^{match.Groups["Offset"].Value} .*$");
// Store each group value for later use
var startGroupValues = new Dictionary <string, string>();
foreach (Group group in match.Groups)
{
startGroupValues.Add(group.Name, group.Value);
}
IEnumerable <string> innerLinesConsumed =
ParseEvents(
lines,
parseContext,
new ParserContext(
currentLine,
startGroupValues,
nestedOffsetPattern),
ref parsedEvents);
return(linesConsumed.Concat(innerLinesConsumed ?? Enumerable.Empty <string>()));
}
protected abstract IEnumerable <string> ParseEvents(
TrackingEnumerator <string> lines,
ParseContext parseContext,
ParserContext parserContext,
ref IEnumerable <object> parsedEvents);
