/// <summary>
/// The cut.
/// </summary>
/// <param name="parameters">
/// The current parameters for segmentation.
/// </param>
/// <returns>
/// The convoluted chain <see cref="ComplexChain"/>.
/// </returns>
public override ComplexChain Cut(ContentValues parameters)
{
int maxWindowLen = (int)parameters.Get(Enum.GetName(typeof(Parameter), Parameter.Window));
int windowDec = (int)parameters.Get(Enum.GetName(typeof(Parameter), Parameter.WindowDecrement));
convoluted = (ComplexChain)parameters.Get(Formalism.GetName(typeof(Formalism), Formalism.Sequence));
alphabet = new FrequencyDictionary();
for (int winLen = maxWindowLen; (winLen >= windowDec) && (winLen > 1); winLen -= windowDec)
{
bool flag = true;
while (flag)
{
UpdateParams(parameters, winLen);
KeyValuePair<List<string>, List<int>>? pair = WordExtractorFactory.GetSeeker(extractor).Find(parameters);
flag = pair != null;
if (flag)
{
pair.Value.Value.Reverse();
foreach (int position in pair.Value.Value)
{
convoluted.Join(position, winLen);
}
alphabet.Add(Helper.ToString(pair.Value.Key), pair.Value.Value);
}
}
}
FindLastWords();
return convoluted;
}
/// <summary>
/// The find.
/// </summary>
/// <param name="par">
/// The par.
/// </param>
/// <returns>
/// The <see cref="T:KeyValuePair{List{string},List{int}}?"/>.
/// </returns>
public override sealed KeyValuePair<List<string>, List<int>>? Find(ContentValues par)
{
var convoluted = (ComplexChain)par.Get(Enum.GetName(typeof(Formalism), Formalism.Sequence));
double pbalance = (int)par.Get(Enum.GetName(typeof(Parameter), Parameter.Balance)) / 100.0;
int windowLen = (int)par.Get(Enum.GetName(typeof(Parameter), Parameter.Window));
var alphabet = (FrequencyDictionary)par.Get(Enum.GetName(typeof(Formalism), Formalism.Alphabet));
var level = (double)par.Get(Enum.GetName(typeof(Parameter), Parameter.CurrentThreshold));
int scanStep = 1;
int disp = 0;
int length = convoluted.GetLength();
fullEntry = new DataCollector();
minusOneEntry = new DataCollector();
minusTwoEntry = new DataCollector();
var it = new StartIterator(convoluted, windowLen, scanStep);
CriterionMethod criteriaCalculator = new ConvolutedCriterionMethod();
while (it.HasNext())
{
it.Next();
fullEntry.Add(it, disp);
FindLess(it);
}
CalculateStd(convoluted, pbalance, windowLen, length, criteriaCalculator);
return DiscardCompositeWords(alphabet, level);
}
/// <summary>
/// The find.
/// </summary>
/// <param name="par">
/// The par.
/// </param>
/// <returns>
/// The <see cref="T:KeyValuePair{List{String},List{Int32}}"/>.
/// </returns>
public override sealed KeyValuePair<List<string>, List<int>>? Find(ContentValues par)
{
var convoluted = (ComplexChain)par.Get(Enum.GetName(typeof(Formalism), Formalism.Sequence));
var windowLen = (int)par.Get(Enum.GetName(typeof(Parameter), Parameter.Window));
var alphabet = (FrequencyDictionary)par.Get(Enum.GetName(typeof(Formalism), Formalism.Alphabet));
var level = (double)par.Get(Enum.GetName(typeof(Parameter), Parameter.CurrentThreshold));
int scanStep = 1;
int disp = 0;
var it = new StartIterator(convoluted, windowLen, scanStep);
while (it.HasNext())
{
it.Next();
fullEntry.Add(it, disp);
}
CalculateStd(convoluted, windowLen);
return DiscardCompositeWords(alphabet, level);
}
