public Log Parse(IEnumerable <string> lines)
{
var lineList = lines as string[] ?? lines.ToArray();
if (!lineList.Any())
{
return(null);
}
var log = new Log();
var lineNumber = -1;
Day currentDay = null;
TimeEntry currentTime = null;
foreach (var line in lineList)
{
lineNumber++;
if (string.IsNullOrWhiteSpace(line))
{
continue;
}
Debug.WriteLine("Parsing Line {0}: {1}", lineNumber, line);
var tokens = _lexer.Process(lineNumber, line);
foreach (var token in tokens)
{
switch (token.TokenType)
{
case TokenType.Date:
currentDay = new Day(lineNumber, (DateTime)token.Value);
log.Days.Add(currentDay);
break;
case TokenType.TimePeriod:
currentTime = new TimeEntry((Period)token.Value);
if (currentDay != null)
{
currentDay.TimeEntries.Add(currentTime);
}
break;
case TokenType.ProjectName:
if (currentTime != null)
{
currentTime.ProjectName = Convert.ToString(token.Value);
}
break;
case TokenType.ProjectComment:
if (currentTime != null)
{
currentTime.AddComment(Convert.ToString(token.Value));
}
break;
}
}
}
return(log);
}