public CatalogCode NewChild(CatalogCode code)
{
CatalogEntry ce = Get(code);
if (ce == null || ce.children.Count == 0)
{
return(new CatalogCode(code + (code.Equals(CatalogCode.current) ? "" : ".") + "0"));
}
int max = ce.children.Max(c => c.codePrefix.Youngest());
int addition = 0;
if (max + 1 == ce.children.Count)
{
addition = max + 1;
}
else
{
List <CatalogEntry> children = ce.children;
if (children[0].codePrefix.Youngest() != 0)
{
addition = 0;
}
else
{
CatalogCode prev = children[0].codePrefix;
int pos = 1;
while (pos < children.Count)
{
CatalogCode comp = children[pos].codePrefix;
if (comp.Youngest() - prev.Youngest() != 1)
{
addition = prev.Youngest() + 1;
break;
}
prev = comp;
pos++;
}
}
}
if (code.Equals(CatalogCode.current))
{
return(new CatalogCode(addition.ToString()));
}
return(new CatalogCode(code + $".{addition}"));
}
public bool Contains(CodeRange range)
{
if (range == null)
{
return(false);
}
CatalogCode counter = range.fromCode;
while (counter.Youngest() <= range.toCode.Youngest())
{
if (Get(counter) != null)
{
return(true);
}
counter = counter.Increment();
}
return(false);
}
public bool Contains(CodeRange range, CodeRange usingCodeRange, int offset)
{
if (range == null)
{
return(false);
}
CatalogCode counter1 = range.fromCode;
CatalogCode counter2 = usingCodeRange.fromCode + offset;
while (counter1.Youngest() <= range.toCode.Youngest())
{
if (Contains(counter2) && Contains(counter1))
{
return(true);
}
counter1 = counter1.Increment();
counter2 = counter2.Increment();
}
return(false);
}