/// <summary>
/// Union the set of all characters that may output by this object into the
/// given set.
/// </summary>
///
/// <param name="toUnionTo">the set into which to union the output characters</param>
public virtual void AddReplacementSetTo(UnicodeSet toUnionTo)
{
int ch;
for (int i = 0; i < output.Length; i += IBM.ICU.Text.UTF16.GetCharCount(ch))
{
ch = IBM.ICU.Text.UTF16.CharAt(output, i);
UnicodeReplacer r = data.LookupReplacer(ch);
if (r == null)
{
toUnionTo.Add(ch);
}
else
{
r.AddReplacementSetTo(toUnionTo);
}
}
}
/// <summary>
/// Union the set of all characters that may be emitted by this rule into the
/// given set.
/// </summary>
///
internal void AddTargetSetTo(UnicodeSet toUnionTo)
{
output.AddReplacementSetTo(toUnionTo);
}