public string getKey(int add)
{
string res = "";
int div = 1;
int wildcardCount = wildcardList.Count - 1;
int i = pattern.Length - 1;
while (i >= 0)
{
if (pattern[i] != ']')
{
res += pattern[i--];
}
else
{
Wildcard wc = (Wildcard)wildcardList[wildcardCount--];
if (add < div)
{
res += wc.getChar();
}
else
{
res += wc.getChar((add / div) % wc.size());
div *= wc.size();
}
while (pattern[i--] != '[')
{
;
}
}
}
char[] r = res.ToCharArray();
Array.Reverse(r);
return(new string(r));
}
public bool Contains(KeyPattern pattern)
{
if (pattern.wildcardList.Count != this.pattern.wildcardList.Count)
{
return(false);
}
if (pattern.GetPattern() != this.pattern.GetPattern())
{
return(false);
}
bool equal = true;
for (int k = 0; k < pattern.wildcardList.Count; k++)
{
Wildcard wc = ((Wildcard)pattern.wildcardList[k]);
Wildcard thiswc = ((Wildcard)this.pattern.wildcardList[k]);
if (wc.size() != (thiswc.size() / splittingQuotient[k]))
{
return(false);
}
bool bolContains2 = true;
int begin = equal ? splittingCounter[k] : 0;
for (int j = begin; j < splittingQuotient[k]; j++)
{
bool bolContains = true;
for (int i = 0; i < wc.size(); i++)
{
if (wc.getChar(i - wc.count()) != thiswc.getChar(i + j * wc.size()))
{
bolContains = false;
break;
}
}
if (bolContains)
{
equal = (j == splittingCounter[k]);
bolContains2 = true;
break;
}
}
if (!bolContains2)
{
return(false);
}
}
return(!equal);
}
/// <summary>
/// See this[]
/// </summary>
/// <param name="index">The index</param>
/// <returns>The sub key pattern</returns>
private KeyPattern GetAtIndex(BigInteger index)
{
//calculate the wildcard positions on which we want to split:
int[] splittingPositions = new int[pattern.wildcardList.Count];
for (int k = pattern.wildcardList.Count - 1; k >= 0; k--)
{
splittingPositions[k] = (int)(index % splittingQuotient[k]);
index /= splittingQuotient[k];
}
Debug.Assert(index == 0);
//split up the sub pattern parts:
KeyPattern subpart = new KeyPattern(pattern.GetPattern());
subpart.wildcardList = new ArrayList();
for (int k = 0; k < pattern.wildcardList.Count; k++)
{
Wildcard subwc = ((Wildcard)pattern.wildcardList[k]);
char[] values = new char[256];
int sublength = subwc.size() / splittingQuotient[k];
for (int i = 0; i < sublength; i++)
{
values[i] = subwc.getChar(i + splittingPositions[k] * sublength);
}
Wildcard newwc = new Wildcard(values, sublength);
subpart.wildcardList.Add(newwc);
}
return(subpart);
}
public KeyPattern Pop()
{
if (stack.Count != 0)
{
counter++;
return((KeyPattern)stack.Pop());
}
if (end)
{
return(null);
}
KeyPattern part = new KeyPattern(pattern.GetPattern());
part.wildcardList = new ArrayList();
for (int k = 0; k < pattern.wildcardList.Count; k++)
{
Wildcard wc = ((Wildcard)pattern.wildcardList[k]);
char[] values = new char[256];
int length = wc.size() / splittingQuotient[k];
for (int i = 0; i < length; i++)
{
values[i] = wc.getChar(i + splittingCounter[k] * length);
}
Wildcard newwc = new Wildcard(values, length);
part.wildcardList.Add(newwc);
}
if (!SuccCounter())
{
end = true;
}
counter++;
return(part);
}
public KeyPattern[] split()
{
KeyPattern[] patterns = new KeyPattern[2];
for (int i = 0; i < 2; i++)
{
patterns[i] = new KeyPattern(pattern);
patterns[i].wildcardList = new ArrayList();
}
bool s = false;
for (int i = 0; i < wildcardList.Count; i++)
{
Wildcard wc = ((Wildcard)wildcardList[i]);
if (!s && (wc.size() - wc.count()) > 1)
{
Wildcard[] wcs = wc.split();
patterns[0].wildcardList.Add(wcs[0]);
patterns[1].wildcardList.Add(wcs[1]);
s = true;
}
else
{
patterns[0].wildcardList.Add(new Wildcard(wc));
Wildcard copy = new Wildcard(wc);
if (s)
{
copy.resetCounter();
}
patterns[1].wildcardList.Add(copy);
}
}
if (!s)
{
return(null);
}
return(patterns);
}
