public static ITextProcessor CreateTextProcessor()
{
// 1. Define the calendar syntaxes, using some LDWords for input flexibility
var addReminderSyntax = CsdlParser.Parse(
"^[:Word?(hey,ok) :LDWord?(calendar,agenda) :Word?(add,new,create) command:LDWord(remind,reminder) :Word?(me) :Word~(to,of) message:Text :Word?(for) when:LDWord?(today,tomorrow,someday)]");
var partialAddReminderSyntax = CsdlParser.Parse(
"^[:Word?(hey,ok) :LDWord?(calendar,agenda) :Word?(add,new,create) command+:LDWord(remind,reminder) :Word?(for,me) when+:LDWord?(today,tomorrow,someday)]");
var getRemindersSyntax = CsdlParser.Parse(
"[when:LDWord?(today,tomorrow,someday) :LDWord(reminders)]");
// 2. Now the output processors
var addReminderOutputProcessor = new DelegateOutputProcessor<Reminder>((reminder, context) =>
{
Console.WriteLine($"Reminder '{reminder.Message}' added successfully for '{reminder.When}'");
});
var getRemindersOutputProcessor = new DelegateOutputProcessor<IEnumerable<Reminder>>((reminders, context) =>
{
var remindersDictionary = reminders
.GroupBy(r => r.When)
.ToDictionary(r => r.Key, r => r.Select(reminder => reminder.Message));
foreach (var when in remindersDictionary.Keys)
{
Console.WriteLine($"Reminders for {when}:");
foreach (var reminderMessage in remindersDictionary[when])
{
Console.WriteLine($"* {reminderMessage}");
}
Console.WriteLine();
}
});
// 3. Create a instance of the processor object to be shared by all processors
var calendar = new Calendar();
// 4. Create the command processors
var addRemiderCommandProcessor = new ReflectionCommandProcessor(
calendar,
nameof(AddReminderAsync),
true,
addReminderOutputProcessor,
addReminderSyntax);
var partialAddRemiderCommandProcessor = new DelegateCommandProcessor(
new Func<string, Task>((when) =>
{
Console.Write($"What do you want to be reminded {when}?");
return Task.FromResult(0);
}),
syntaxes: partialAddReminderSyntax);
var getRemidersCommandProcessor = new ReflectionCommandProcessor(
calendar,
nameof(GetRemindersAsync),
true,
getRemindersOutputProcessor,
getRemindersSyntax);
// 5. Register the the processors
var textProcessor = new TextProcessor();
textProcessor.CommandProcessors.Add(addRemiderCommandProcessor);
textProcessor.CommandProcessors.Add(partialAddRemiderCommandProcessor);
textProcessor.CommandProcessors.Add(getRemidersCommandProcessor);
// 6. Add some preprocessors to normalize the input text
textProcessor.TextPreprocessors.Add(new TextNormalizerPreprocessor());
textProcessor.TextPreprocessors.Add(new ToLowerCasePreprocessor());
return textProcessor;
}
public static ITextProcessor CreateTextProcessor()
{
// 1. Define the calendar syntaxes, using some LDWords for input flexibility
var addReminderSyntax = CsdlParser.Parse(
"^[:Word?(hey,ok) :LDWord?(calendar,agenda) :Word?(add,new,create) command:LDWord(remind,reminder) :Word?(me) :Word~(to,of) message:Text :Word?(for) when:LDWord?(today,tomorrow,someday)]");
var partialAddReminderSyntax = CsdlParser.Parse(
"^[:Word?(hey,ok) :LDWord?(calendar,agenda) :Word?(add,new,create) command+:LDWord(remind,reminder) :Word?(for,me) when+:LDWord?(today,tomorrow,someday)]");
var getRemindersSyntax = CsdlParser.Parse(
"[when:LDWord?(today,tomorrow,someday) :LDWord(reminders)]");
// 2. Now the output processors
var addReminderOutputProcessor = new DelegateOutputProcessor <Reminder>((reminder, context) =>
{
Console.WriteLine($"Reminder '{reminder.Message}' added successfully for '{reminder.When}'");
});
var getRemindersOutputProcessor = new DelegateOutputProcessor <IEnumerable <Reminder> >((reminders, context) =>
{
var remindersDictionary = reminders
.GroupBy(r => r.When)
.ToDictionary(r => r.Key, r => r.Select(reminder => reminder.Message));
foreach (var when in remindersDictionary.Keys)
{
Console.WriteLine($"Reminders for {when}:");
foreach (var reminderMessage in remindersDictionary[when])
{
Console.WriteLine($"* {reminderMessage}");
}
Console.WriteLine();
}
});
// 3. Create a instance of the processor object to be shared by all processors
var calendar = new Calendar();
// 4. Create the command processors
var addRemiderCommandProcessor = new ReflectionCommandProcessor(
calendar,
nameof(AddReminderAsync),
true,
addReminderOutputProcessor,
addReminderSyntax);
var partialAddRemiderCommandProcessor = new DelegateCommandProcessor(
new Func <string, Task>((when) =>
{
Console.Write($"What do you want to be reminded {when}?");
return(Task.FromResult(0));
}),
syntaxes: partialAddReminderSyntax);
var getRemidersCommandProcessor = new ReflectionCommandProcessor(
calendar,
nameof(GetRemindersAsync),
true,
getRemindersOutputProcessor,
getRemindersSyntax);
// 5. Register the the processors
var textProcessor = new TextProcessor();
textProcessor.CommandProcessors.Add(addRemiderCommandProcessor);
textProcessor.CommandProcessors.Add(partialAddRemiderCommandProcessor);
textProcessor.CommandProcessors.Add(getRemidersCommandProcessor);
// 6. Add some preprocessors to normalize the input text
textProcessor.TextPreprocessors.Add(new TextNormalizerPreprocessor());
textProcessor.TextPreprocessors.Add(new ToLowerCasePreprocessor());
return(textProcessor);
}
