/// <summary>
/// Constructs an escape transliterator with the given <paramref name="id"/> and
/// parameters. See the class member documentation for details.
/// </summary>
internal EscapeTransliterator(string id, string prefix, string suffix,
int radix, int minDigits,
bool grokSupplementals,
EscapeTransliterator supplementalHandler)
: base(id, null)
{
this.prefix = prefix;
this.suffix = suffix;
this.radix = radix;
this.minDigits = minDigits;
this.grokSupplementals = grokSupplementals;
this.supplementalHandler = supplementalHandler;
}
/// <seealso cref="Transliterator.AddSourceTargetSet(UnicodeSet, UnicodeSet, UnicodeSet)"/>
public override void AddSourceTargetSet(UnicodeSet inputFilter, UnicodeSet sourceSet, UnicodeSet targetSet)
{
sourceSet.AddAll(GetFilterAsUnicodeSet(inputFilter));
for (EscapeTransliterator it = this; it != null; it = it.supplementalHandler)
{
if (inputFilter.Count != 0)
{
targetSet.AddAll(it.prefix);
targetSet.AddAll(it.suffix);
StringBuilder buffer = new StringBuilder();
for (int i = 0; i < it.radix; ++i)
{
Utility.AppendNumber(buffer, i, it.radix, it.minDigits);
}
targetSet.AddAll(buffer.ToString()); // TODO drop once String is changed to CharSequence in UnicodeSet
}
}
}
