string generateSentence(Noun previousSubject = null)
{
int nounId = rand.Next(0, Vocabulary.subjects.Count);
int verbId = rand.Next(0, Vocabulary.verbs.Count);
var subParticlePair = Enumerable.ToList(Vocabulary.subjects)[nounId];
var nextSubject = previousSubject ?? subParticlePair.Value;
var subject = (previousSubject == null) ? subParticlePair.Key : previousSubject.Text;
var subjectParticle = (previousSubject == null) ? subParticlePair.Value.Particle : previousSubject.Particle;
var verb = Vocabulary.verbs[verbId];
if (verb.Tags.Count > 0)
{
string tag = verb.Tags[rand.Next(0, verb.Tags.Count)];
var nouns = Noun.GetByTag(Vocabulary.nouns, tag);
if (nouns.Count > 0)
{
int advId = rand.Next(0, Vocabulary.adjectives.Count);
var advParticlePair = Enumerable.ToList(Vocabulary.adjectives)[advId];
var adv = advParticlePair.Key;
var advParticle = advParticlePair.Value;
var randomNoun = nouns[(rand.Next(0, nouns.Count))];
return(String.Format("{0} {1} {2} was {3} {4} {5}.", capitalize(advParticle), adv, subject, verb.Continuous, randomNoun.Particle, randomNoun.Text));
}
}
bool isContinuous = rand.NextDouble() < continuousProb;
int numberOfAdj = previousSubject == null ? (rand.NextDouble() < adjProb ? (rand.NextDouble() < secAdjProb ? 2 : 1) : 0) : 0;
bool useParticleThe = rand.NextDouble() < theProb;
List <string> genWords = new List <string>();
List <string> adjList = new List <string>();
string particle = subjectParticle;
for (int i = 0; i < numberOfAdj; i++)
{
int advId = rand.Next(0, Vocabulary.adjectives.Count);
var advParticlePair = Enumerable.ToList(Vocabulary.adjectives)[advId];
particle = advParticlePair.Value;
adjList.Add(advParticlePair.Key);
}
adjList.Reverse();
if (previousSubject != null)
{
List <string> thenLikes = new List <string>()
{
"then", "after that", "later", "suddenly"
};
genWords.Add(thenLikes[rand.Next(thenLikes.Count)]);
}
if (previousSubject == null)
{
if (rand.NextDouble() < someProb)
{
genWords.Add("some");
}
else
{
genWords.Add(particle);
}
}
else if (useParticleThe)
{
genWords.Add("the");
}
else
{
List <string> theLikes = new List <string>()
{
"that", "the same", "same"
};
genWords.Add(theLikes[rand.Next(theLikes.Count)]);
}
genWords.AddRange(adjList);
genWords.Add(subject);
if (isContinuous)
{
genWords.Add("was");
genWords.Add(verb.Continuous);
}
else
{
genWords.Add(verb.Past);
}
genWords[0] = capitalize(genWords[0]);
string nextSentence = GetRandomTruth(nextSentenceProb) ? " " + generateSentence(nextSubject) : "";
return(string.Join(" ", genWords) + "." + nextSentence);
}
string MakePassive(string sentence)
{
int verbIdx = -1;
Verb verb = null;
List <string> splitSentence = new List <string>(sentence.Split(" "));
for (int i = splitSentence.Count - 1; i >= 0; i--)
{
if (splitSentence[i].Length == 0 || splitSentence[i].Equals(" "))
{
splitSentence.RemoveAt(i);
}
}
sentence = string.Join(" ", splitSentence);
for (int i = 0; i < splitSentence.Count; i++)
{
var verbOpt = Verb.ParseVerb(splitSentence[i]);
if (verbOpt != null)
{
verbIdx = i;
verb = verbOpt;
}
}
if (verb == null || !verb.IsPassive)
{
return(sentence);
}
int n1Idx = -1;
Noun n1 = null;
for (int i = verbIdx - 1; i >= 0; i--)
{
var nounOpt = Noun.ParseNoun(splitSentence[i]);
if (nounOpt != null)
{
n1 = nounOpt;
n1Idx = i;
break;
}
}
int n2Idx = -1;
Noun n2 = null;
for (int i = verbIdx + 1; i < splitSentence.Count; i++)
{
var nounOpt = Noun.ParseNoun(splitSentence[i]);
if (nounOpt != null)
{
n2 = nounOpt;
n2Idx = i;
break;
}
}
if (n1 == null || n2 == null)
{
return(sentence);
}
try
{
int p1Idx = -1;
int p2Idx = -1;
if (n1Idx >= 1 && IsParticle(splitSentence[n1Idx - 1]))
{
p1Idx = n1Idx - 1;
}
else if (n1Idx >= 2 && IsParticle(splitSentence[n1Idx - 2]))
{
p1Idx = n1Idx - 2;
}
if (n2Idx >= 1 && IsParticle(splitSentence[n2Idx - 1]))
{
p2Idx = n2Idx - 1;
}
else if (n2Idx >= 2 && IsParticle(splitSentence[n2Idx - 2]))
{
p2Idx = n2Idx - 2;
}
splitSentence[n1Idx] = n2.Text;
splitSentence[n2Idx] = n1.Text;
splitSentence[verbIdx] = "being " + verb.Text + "en by";
if (p1Idx > -1 && p2Idx > -1)
{
splitSentence[p1Idx] = n2.Particle;
splitSentence[p2Idx] = n1.Particle;
if (p1Idx == n1Idx - 2)
{
splitSentence[p2Idx] += " " + splitSentence[n1Idx - 1];
splitSentence[n1Idx - 1] = "";
}
if (p2Idx == n2Idx - 2)
{
splitSentence[p1Idx] += " " + splitSentence[n2Idx - 1];
splitSentence[n2Idx - 1] = "";
}
}
splitSentence[0] = Vocabulary.capitalize(splitSentence[0]);
return(string.Join(" ", splitSentence));
}
catch (Exception)
{
return(sentence);
}
}