public IEnumerable <ITimePeriod> GetTimePeriodsFromText(string text, TemporalParserOptions options)
{
var components = GetComponentsFromText(text);
var groupedComponents = TemporalComponent.GroupComponents(components);
var result = new List <ITimePeriod>();
foreach (var componentGroup in groupedComponents)
{
var tmpTimePeriod = GetTimePeriodFromComponents(componentGroup, options);
if (tmpTimePeriod != null)
{
result.Add(tmpTimePeriod);
}
}
return(result);
}
private ITimePeriod GetTimePeriodFromComponents(IEnumerable <TemporalComponent> components, TemporalParserOptions options)
{
//TODO: Overhaul this so it actually is smart! It currently can't:
// - Match all component types together
// - Handle variations of types (eg. open-ended date with open-ended time)
var processedComponents = components.Select(c => new ProcessedComponent
{
Component = c,
TimePeriod = c.GetTimePeriod(options.BaseDate)
}).Where(c => c.TimePeriod != null).ToList();
if (processedComponents.Count() == 0)
{
return(null);
}
else if (processedComponents.Count() == 1)
{
return(processedComponents.FirstOrDefault().TimePeriod);
}
var dateComponents = processedComponents.Where(c => c.Component is DateComponent);
var timeComponents = processedComponents.Where(c => c.Component is TimeComponent);
var sequenceComponents = processedComponents.Where(c => c.Component is SequenceComponent);
var fuzzyComponents = processedComponents.Where(c => c.Component is FuzzyComponent);
//var durationComponents = processedComponents.Where(c => c.Component is DurationComponent);
//var relativeComponents = processedComponents.Where(c => c.Component is RelativeDateTimeComponent);
if (components.Any(c => c is SequenceComponent))
{
var dateComponent = dateComponents.FirstOrDefault();
var timeComponent = timeComponents.FirstOrDefault();
var sequenceComponent = sequenceComponents.FirstOrDefault();
if (sequenceComponent != null)
{
return(TransformSequenceDateTime(
sequenceComponent,
dateComponent,
timeComponent
));
}
}
else if (components.Count() == 2 && components.Any(c => c is DateComponent) && components.Any(c => c is TimeComponent))
{
var dateComponent = dateComponents.FirstOrDefault();
var timeComponent = timeComponents.FirstOrDefault();
if (dateComponent != null && timeComponent != null)
{
return(TransformDateTimeComponents(dateComponent.TimePeriod, timeComponent.TimePeriod));
}
}
else if (components.Count() == 2 && components.Any(c => c is FuzzyComponent) && components.Any(c => c is TimeComponent))
{
var fuzzyComponent = fuzzyComponents.FirstOrDefault();
var timeComponent = timeComponents.FirstOrDefault();
if (fuzzyComponent != null && timeComponent != null)
{
return(TransformDateTimeComponents(fuzzyComponent.TimePeriod, timeComponent.TimePeriod));
}
}
return(null);
}
