public MarkovGenerator(string text, GeneratorParams inputParams)
{
//Verify input is sane
if (inputParams == null)
{
throw new Exceptions.InvalidArguments("Null Generator Parameters");
}
if (inputParams.Punctuation == null)
{
throw new Exceptions.InvalidArguments("Null punctuation list");
}
if (inputParams.SentenceEnd == null)
{
throw new Exceptions.InvalidArguments("Null end of sentence");
}
Punctuation = inputParams.Punctuation;
SentenceEnd = inputParams.SentenceEnd;
_allPunctuation = new List <char>();
_allPunctuation.AddRange(Punctuation);
_allPunctuation.AddRange(SentenceEnd);
_allPunctuation = new List <char>(_allPunctuation.Distinct());
_chainGenerator = new ChainGenerator(text, _allPunctuation.ToArray(), inputParams.ChainSize);
_chainGenerator.GenerateChains();
_wordGenerator = new WordGenerator(_chainGenerator.Chains, inputParams.Rand);
_sentenceGenerator = new WordGenerator(_chainGenerator.Chains, inputParams.Rand);
}
public void T_Chains_2()
{
ChainGenerator chainGenerator = new ChainGenerator(_advancedChainString, _delims, 2) ;
chainGenerator.GenerateChains() ;
Dictionary<ChainKey, List<string>> correctChains =
new Dictionary<ChainKey, List<string>>{
{new ChainKey(new string[]{null, null}), new List<string>{"words"}},
{new ChainKey(new string[]{null, "words"}), new List<string>{"from"}},
{new ChainKey(new string[]{"words", "from"}), new List<string>{".", "sentence"}},
{new ChainKey(new string[]{"from", "."}), new List<string>{"sentence"}},
{new ChainKey(new string[]{".", "sentence"}), new List<string>{","}},
{new ChainKey(new string[]{"sentence", ","}), new List<string>{"will"}},
{new ChainKey(new string[]{",", "will"}), new List<string>{"never"}},
{new ChainKey(new string[]{"will", "never"}), new List<string>{"end"}},
{new ChainKey(new string[]{"never", "end"}), new List<string>{"?"}},
{new ChainKey(new string[]{"end", "?"}), new List<string>{"because"}},
{new ChainKey(new string[]{"?", "because"}), new List<string>{"words"}},
{new ChainKey(new string[]{"because", "words"}), new List<string>{"from"}},
{new ChainKey(new string[]{"from", "sentence"}), new List<string>{"is"}},
{new ChainKey(new string[]{"sentence", "is"}), new List<string>{"good"}},
{new ChainKey(new string[]{"is", "good"}), new List<string>{"."}}
};
TestUtils.CompareChainTables(chainGenerator.Chains, correctChains) ;
}
public MarkovGenerator(string text, GeneratorParams inputParams)
{
//Verify input is sane
if(inputParams == null)
{
throw new Exceptions.InvalidArguments("Null Generator Parameters") ;
}
if(inputParams.Punctuation == null)
{
throw new Exceptions.InvalidArguments("Null punctuation list") ;
}
if(inputParams.SentenceEnd == null)
{
throw new Exceptions.InvalidArguments("Null end of sentence") ;
}
Punctuation = inputParams.Punctuation ;
SentenceEnd = inputParams.SentenceEnd ;
_allPunctuation = new List<char>() ;
_allPunctuation.AddRange(Punctuation) ;
_allPunctuation.AddRange(SentenceEnd) ;
_allPunctuation = new List<char>(_allPunctuation.Distinct()) ;
_chainGenerator = new ChainGenerator(text, _allPunctuation.ToArray(), inputParams.ChainSize) ;
_chainGenerator.GenerateChains() ;
_wordGenerator = new WordGenerator(_chainGenerator.Chains, inputParams.Rand) ;
_sentenceGenerator = new WordGenerator(_chainGenerator.Chains, inputParams.Rand) ;
}
/// <summary>
/// Create a word generator with constant Random seed
/// </summary>
/// <returns></returns>
private WordGenerator InitSimpleWordGen()
{
ChainGenerator chainGen =
new ChainGenerator(_simpleSentence, TestUtils.StandardDelims.ToArray(), 2) ;
chainGen.GenerateChains() ;
return new WordGenerator(chainGen.Chains, new Random(1000)) ;
}
public void T_Constructor_Exceptions()
{
string origText = "Hello world string.";
ChainGenerator chainGenerator = new ChainGenerator(origText, _delims, 2) ;
Assert.Throws(typeof(Exceptions.InvalidArguments),
delegate { chainGenerator = new ChainGenerator(origText, _delims, 0);});
Assert.Throws(typeof(Exceptions.InvalidArguments),
delegate { chainGenerator = new ChainGenerator(origText, _delims, 20);});
Assert.Throws(typeof(Exceptions.InvalidArguments),
delegate { chainGenerator = new ChainGenerator(null, _delims, 2);});
}
