// @RubyLevelMethod(name="nitems")
public RubyValue nitems() {
int n = 0;
for (int i = 0; i < size(); i++) {
if (get(i) != RubyConstant.QNIL) n++;
}
return ObjectFactory.createFixnum(n);
}
// @RubyLevelMethod(name="new", singleton=true)
public static RubyValue newArray(RubyValue receiver, RubyArray args, RubyBlock block) {
RubyArray a;
if (null == args) {
a = new RubyArray();
} else if (null == block) {
if (args.get(0) instanceof RubyArray) {
a = (RubyArray) args.get(0).clone();
} else {
RubyFixnum size = (RubyFixnum) args.get(0);
RubyValue default_value = args.get(1);
a = ObjectFactory.createArray(size.toInt(), default_value);
}
} else {
RubyFixnum size = (RubyFixnum) args.get(0);
a = new RubyArray();
for (int i = 0; i < size.toFloat(); i++) {
RubyValue return_value = block.invoke(receiver, ObjectFactory.createFixnum(i));
a.add(return_value);
}
}
a.setRubyClass((RubyClass) receiver);
return a;
}
// @RubyLevelMethod(name="rindex")
public RubyValue rindex(RubyValue arg) {
for (int i = size() - 1; i >= 0; i--) {
if (get(i).equals(arg)) return ObjectFactory.createFixnum(i);
}
return RubyConstant.QNIL;
}
// @RubyLevelMethod(name="hash")
public RubyFixnum hash() {
return ObjectFactory.createFixnum(hashCode());
}
// @RubyLevelMethod(name="eql?")
public RubyValue opEql(RubyValue v) {
return ObjectFactory.createBoolean(equals(v, false));
}
// @RubyLevelMethod(name="length")
public RubyFixnum length() {
return ObjectFactory.createFixnum(this.array_.size());
}
// @RubyLevelMethod(name="empty?")
public RubyValue empty_p() {
return ObjectFactory.createBoolean(this.array_.isEmpty());
}
// @RubyLevelMethod(name="pack")
public RubyValue pack(RubyValue arg) {
String format = ((RubyString) arg).toString();
return ObjectFactory.createString(ArrayPacker.pack(this, format));
}