// ================================================= Helper Methods ================================================
/// <summary>
/// Determines whether the transition from lastType to type indicates a break
/// </summary>
/// <param name="lastType"> Last subword type </param>
/// <param name="type"> Current subword type </param>
/// <returns> {@code true} if the transition indicates a break, {@code false} otherwise </returns>
private bool isBreak(int lastType, int type)
{
if ((type & lastType) != 0)
{
return(false);
}
if (!splitOnCaseChange && WordDelimiterFilter.isAlpha(lastType) && WordDelimiterFilter.isAlpha(type))
{
// ALPHA->ALPHA: always ignore if case isn't considered.
return(false);
}
else if (WordDelimiterFilter.isUpper(lastType) && WordDelimiterFilter.isAlpha(type))
{
// UPPER->letter: Don't split
return(false);
}
else if (!splitOnNumerics && ((WordDelimiterFilter.isAlpha(lastType) && WordDelimiterFilter.isDigit(type)) || (WordDelimiterFilter.isDigit(lastType) && WordDelimiterFilter.isAlpha(type))))
{
// ALPHA->NUMERIC, NUMERIC->ALPHA :Don't split
return(false);
}
return(true);
}
