/// <summary>
/// Returns the ending offset found by matching characters with testSet,
/// until a position is found that doen't match
/// </summary>
///
/// <param name="string"></param>
/// <param name="offset"></param>
/// <param name="testSet"></param>
/// <returns></returns>
public int Span(String str0, int offset, UnicodeSet testSet)
{
while (true)
{
int newOffset = testSet.MatchesAt(str0, offset);
if (newOffset < 0)
{
return(offset);
}
}
}
/// <summary>
/// Returns the ending offset found by matching characters with testSet,
/// until a position is found that does match
/// </summary>
///
/// <param name="string"></param>
/// <param name="offset"></param>
/// <param name="testSet"></param>
/// <returns></returns>
public int SpanNot(String str0, int offset, UnicodeSet testSet)
{
while (true)
{
int newOffset = testSet.MatchesAt(str0, offset);
if (newOffset >= 0)
{
return(offset);
}
++offset; // try next character position
// we don't have to worry about surrogates for this.
}
}