public static bool TryParse(ref string error, string rangeString, out RangeSetSeries output)
{
List <RangeSet> rangeSets = new List <RangeSet>();
output = null;
var strLength = rangeString.Length;
int endPos = 0;
int startPos;
for (startPos = 0; startPos < strLength; startPos++)
{
if (rangeString[startPos] == '{')
{
bool success = false;
for (endPos = startPos + 1; endPos < strLength; endPos++)
{
if (rangeString[endPos] == '}')
{
RangeSet temp;
if (!RangeSet.TryParse(ref error, rangeString.Substring(startPos + 1, endPos - startPos - 1), out temp))
{
return(false);
}
rangeSets.Add(temp);
startPos = endPos; // the increment will make sure we don't re explore this
success = true;
break;
}
}
if (!success)
{
error = "There was an unmatched '{' at position " + startPos;
return(false);
}
}
}
// in case it is a set of 1 element
if (rangeSets.Count == 0)
{
RangeSet temp;
if (RangeSet.TryParse(ref error, rangeString, out temp))
{
return(false);
}
rangeSets.Add(temp);
}
output = new RangeSetSeries(rangeSets);
return(true);
}
public static bool TryParse(string rangeString, out RangeSetSeries output)
{
string error = null;
return(TryParse(ref error, rangeString, out output));
}