bool TestOutput(List <string> sentence, MakeSentenceOptions options)
{
if (string.IsNullOrEmpty(SourceText))
{
return(true);
}
var overlapMax = Math.Min(
options.MaxOverlapWords,
(int)Math.Round(options.MaxOverlapRatio * sentence.Count));
var sequenceCount = Math.Max(sentence.Count - overlapMax, 1);
var sequenceLength = Math.Min(sentence.Count, overlapMax);
for (var i = 0; i < sequenceCount; i++)
{
var sequence = string.Join(" ", sentence.GetRange(i, sequenceLength));
if (SourceText.IndexOf(sequence, StringComparison.OrdinalIgnoreCase) != -1)
{
return(false);
}
}
return(true);
}
public string?MakeSentence(MakeSentenceOptions options)
{
for (var i = 0; i < options.Tries; i++)
{
List <string> sentence = Chain.GenerateSentence();
if (options.MaxWords.HasValue && sentence.Count > options.MaxWords)
{
continue;
}
if (!options.TestOutput || TestOutput(sentence, options))
{
return(string.Join(" ", sentence));
}
}
return(null);
}