private CharsRef NewStem(char[] buffer, int length, Int32sRef forms, int formID)
{
string exception;
if (dictionary.hasStemExceptions)
{
int exceptionID = forms.Int32s[forms.Offset + formID + 1];
if (exceptionID > 0)
{
exception = dictionary.GetStemException(exceptionID);
}
else
{
exception = null;
}
}
else
{
exception = null;
}
if (dictionary.needsOutputCleaning)
{
scratchSegment.Length = 0;
if (exception != null)
{
scratchSegment.Append(exception);
}
else
{
scratchSegment.Append(buffer, 0, length);
}
try
{
Dictionary.ApplyMappings(dictionary.oconv, scratchSegment);
}
catch (Exception bogus) when(bogus.IsIOException())
{
throw RuntimeException.Create(bogus);
}
char[] cleaned = new char[scratchSegment.Length];
scratchSegment.CopyTo(0, cleaned, 0, cleaned.Length);
return(new CharsRef(cleaned, 0, cleaned.Length));
}
else
{
if (exception != null)
{
return(new CharsRef(exception));
}
else
{
return(new CharsRef(buffer, 0, length));
}
}
}