/// <summary>
/// Initialize the combinations by settings a copy of the values from the
/// </summary>
/// <param name="values">List of values to select combinations from.</param>
/// <param name="lowerIndex">The size of each combination set to return.</param>
/// <param name="type">The type of Combinations set to generate.</param>
/// <remarks>
/// Copies the array and parameters and then creates a map of booleans that will
/// be used by a permutations object to refence the subset. This map is slightly
/// different based on whether the type is with or without repetition.
///
/// When the type is WithoutRepetition, then a map of upper index elements is
/// created with lower index false's.
/// E.g. 8 choose 3 generates:
/// Map: {1 1 1 1 1 0 0 0}
/// Note: For sorting reasons, false denotes inclusion in output.
///
/// When the type is WithRepetition, then a map of upper index - 1 + lower index
/// elements is created with the falses indicating that the 'current' element should
/// be included and the trues meaning to advance the 'current' element by one.
/// E.g. 8 choose 3 generates:
/// Map: {1 1 1 1 1 1 1 1 0 0 0} (7 trues, 3 falses).
/// </remarks>
private void Initialize(IList <T> values, int lowerIndex, GenerateOption type)
{
myMetaCollectionType = type;
myLowerIndex = lowerIndex;
myValues = new List <T>();
myValues.AddRange(values);
List <bool> myMap = new List <bool>();
if (type == GenerateOption.WithoutRepetition)
{
for (int i = 0; i < myValues.Count; ++i)
{
if (i >= myValues.Count - myLowerIndex)
{
myMap.Add(false);
}
else
{
myMap.Add(true);
}
}
}
else
{
for (int i = 0; i < values.Count - 1; ++i)
{
myMap.Add(true);
}
for (int i = 0; i < myLowerIndex; ++i)
{
myMap.Add(false);
}
}
myPermutations = new Permutations <bool>(myMap);
}
public static BigInteger CaclulPermut(bool _repeat, List <string> charsetSelecting, int numberOfChar)
{
Utility make = new Utility();
obj = new Combinations <string>(make.DoubleCapacityList(charsetSelecting, numberOfChar), numberOfChar);
foreach (IList <string> charset in obj)
{
for (int c = 0; c < charset.Count; c++)
{
s += charset[c];
}
break;
}
for (int c = 0; c < s.Length; c++)
{
permutCharset.Add(s[c].ToString());
}
if (_repeat == false)
{
permut = new Permutations <string>(permutCharset, GenerateOption.WithoutRepetition);
}
else if (_repeat == true)
{
permut = new Permutations <string>(permutCharset, GenerateOption.WithRepetition);
}
return(permut.Count * obj.Count);
}
/// <summary>
/// Construct a enumerator with the parent object.
/// </summary>
/// <param name="source">The source Permutations object.</param>
public Enumerator(Permutations <T> source)
{
myParent = source;
myLexicographicalOrders = new int[source.myLexicographicOrders.Length];
source.myLexicographicOrders.CopyTo(myLexicographicalOrders, 0);
Reset();
}
public void GeneratePermutationString(List <string> charsetSelecting, BigInteger numberOfAllCombination, BigInteger numberLine, int numberOfChar, bool saveFile, bool zip, bool repeat, int typesAtGenerate, string pathBackUpFiles, string extension)
{
BigInteger cpt = 0;
Utility make = new Utility();
foreach (IList <string> charset in obj)
{
s = null;
permutCharset.Clear();
for (int c = 0; c < charset.Count; c++)
{
s += charset[c];
}
for (int c = 0; c < s.Length; c++)
{
permutCharset.Add(s[c].ToString());
}
if (repeat == false)
{
permut = new Permutations <string>(permutCharset, GenerateOption.WithoutRepetition);
}
else if (repeat == true)
{
permut = new Permutations <string>(permutCharset, GenerateOption.WithRepetition);
}
if (saveFile)
{
BigInteger makeFile = 0;
foreach (IList <string> str in permut)
{
if (makeFile == 0)
{
make.Setting_UpFile(pathBackUpFiles, extension);
}
for (int c = 0; c < numberOfChar; c++)
{
s += str[c];
}
make.WorkFile.WriteLine(s);
s = null;
makeFile++;
cpt++;
if (makeFile >= numberLine | cpt >= numberOfAllCombination)
{
make.WorkFile.Flush();
make.WorkFile.Close();
extension = make.Zipper(zip, pathBackUpFiles);
make.GenerateOut(pathBackUpFiles, extension);
makeFile = 0;
}
}
}
else
{
foreach (IList <string> str in permut)
{
if (cpt >= numberLine & numberLine != 0)
{
Environment.Exit(0);
}
s = null;
for (int c = 0; c < str.Count; c++)
{
s += str[c];
}
Console.WriteLine(s);
cpt++;
}
}
} //End foreach
} //End function
