public static Object begin(DynamicObject matchData, int index) {
assert RubyGuards.isRubyMatchData(matchData);
final int b =
(Layouts.MATCH_DATA.getFields(matchData).region == null)
? Layouts.MATCH_DATA.getFields(matchData).begin
: Layouts.MATCH_DATA.getFields(matchData).region.beg[index];
if (b < 0) {
return BasicObjectNodes.getContext(matchData).getCoreLibrary().getNilObject();
}
updateCharOffset(matchData);
return Layouts.MATCH_DATA.getFields(matchData).charOffsets.beg[index];
}
public static Object end(DynamicObject matchData, int index) {
assert RubyGuards.isRubyMatchData(matchData);
int e =
(Layouts.MATCH_DATA.getFields(matchData).region == null)
? Layouts.MATCH_DATA.getFields(matchData).end
: Layouts.MATCH_DATA.getFields(matchData).region.end[index];
if (e < 0) {
return BasicObjectNodes.getContext(matchData).getCoreLibrary().getNilObject();
}
final CodeRangeable sourceWrapped =
StringNodes.getCodeRangeable(Layouts.MATCH_DATA.getFields(matchData).source);
if (!StringSupport.isSingleByteOptimizable(
sourceWrapped, sourceWrapped.getByteList().getEncoding())) {
updateCharOffset(matchData);
e = Layouts.MATCH_DATA.getFields(matchData).charOffsets.end[index];
}
return e;
}
