// This returns a list of values in the order the names are defined (named capture local var
// feature uses this).
public IRubyObject[] getNamedBackrefValues(Ruby runtime) {
if (pattern.numberOfNames() == 0) return NULL_ARRAY;
IRubyObject[] values = new IRubyObject[pattern.numberOfNames()];
int j = 0;
for (Iterator<NameEntry> i = pattern.namedBackrefIterator(); i.hasNext(); ) {
NameEntry e = i.next();
int nth = pattern.nameToBackrefNumber(e.name, e.nameP, e.nameEnd, regs);
values[j++] = RubyRegexp.nth_match(nth, this);
}
return values;
}
// This returns a list of values in the order the names are defined (named capture local var
// feature uses this).
public IRubyObject[] getNamedBackrefValues(Ruby runtime) {
if (pattern.numberOfNames() == 0) return NULL_ARRAY;
IRubyObject[] values = new IRubyObject[pattern.numberOfNames()];
int j = 0;
for (Iterator<NameEntry> i = pattern.namedBackrefIterator(); i.hasNext(); ) {
NameEntry e = i.next();
int[] refs = e.getBackRefs();
int length = refs.length;
values[j++] = length == 0 ? runtime.getNil() : RubyRegexp.nth_match(refs[length - 1], this);
}
return values;
}
public int getNameToBackrefNumber(String name) {
try {
byte[] bytes = name.getBytes();
return pattern.nameToBackrefNumber(bytes, 0, bytes.length, regs);
} catch (JOniException je) {
throw getRuntime().newIndexError(je.getMessage());
}
}
private int nameToBackrefNumber(RubyString str) {
ByteList value = str.getByteList();
try {
return pattern.nameToBackrefNumber(
value.getUnsafeBytes(), value.getBegin(), value.getBegin() + value.getRealSize(), regs);
} catch (JOniException je) {
throw getRuntime().newIndexError(je.getMessage());
}
}
@JRubyMethod(name = "inspect")
@Override
public IRubyObject inspect() {
if (str == null) return anyToString();
Ruby runtime = getRuntime();
RubyString result = runtime.newString();
result.cat((byte) '#').cat((byte) '<');
result.append(getMetaClass().getRealClass().to_s());
NameEntry[] names = new NameEntry[regs == null ? 1 : regs.numRegs];
if (pattern.numberOfNames() > 0) {
for (Iterator<NameEntry> i = pattern.namedBackrefIterator(); i.hasNext(); ) {
NameEntry e = i.next();
for (int num : e.getBackRefs()) names[num] = e;
}
}
for (int i = 0; i < names.length; i++) {
result.cat((byte) ' ');
if (i > 0) {
NameEntry e = names[i];
if (e != null) {
result.cat(e.name, e.nameP, e.nameEnd - e.nameP);
} else {
result.cat((byte) ('0' + i));
}
result.cat((byte) ':');
}
IRubyObject v = RubyRegexp.nth_match(i, this);
if (v.isNil()) {
result.cat("nil".getBytes());
} else {
result.append(((RubyString) v).inspectCommon(runtime.is1_9()));
}
}
return result.cat((byte) '>');
}
private void checkLazyRegexp() {
if (regexp == null)
regexp = RubyRegexp.newRegexp(getRuntime(), (ByteList) pattern.getUserObject(), pattern);
}
@JRubyMethod
@Override
public RubyFixnum hash() {
check();
return getRuntime().newFixnum(pattern.hashCode() ^ str.hashCode());
}