/// <summary>
/// Creates a sentence generator which is backed by a Markov chain.
/// </summary>
/// <param name="chain">The chain to use. It may be mutated by the generator.</param>
public Order1SentenceGenerator(IMarkovChain <string> chain)
{
_chain = chain;
// Create marker states which represent the beginning and end of a sentence
_beginMarker = _chain.FindOrCreateState(StateType.Marker, BeginMarkerName);
_endMarker = _chain.FindOrCreateState(StateType.Marker, EndMarkerName);
}
/// <summary>
/// Creates a sentence generator which is backed by a Markov chain.
/// </summary>
/// <param name="chain">The chain to use. It may be mutated by the generator.</param>
public Order2SentenceGenerator(IMarkovChain <WordPair> chain)
{
if (chain == null)
{
throw new ArgumentNullException(nameof(chain));
}
_chain = chain;
// Create marker states used to represent the beginning and end of a sentence
_beginMarker = _chain.FindOrCreateState(StateType.Marker, BeginMarkerPair);
_endMarker = _chain.FindOrCreateState(StateType.Marker, EndMarkerPair);
}
private int FindOrCreateWord(string word)
{
return(_chain.FindOrCreateState(StateType.Value, word));
}
private int GetOrCreatePair(string word1, string word2)
{
return(_chain.FindOrCreateState(StateType.Value, new WordPair(word1, word2)));
}