@RubyLevelMethod(name = "open")
public static RubyValue open(RubyValue receiver, RubyArray args, RubyBlock block) {
String filename = args.get(0).toStr();
RubyIO io;
if (args.size() <= 1) {
io = ObjectFactory.createFile(filename, "r");
} else if (args.get(1) instanceof RubyFixnum) {
String mode = "r";
int i = args.get(1).toInt();
if ((i & RDWR) != 0) {
mode = mode + "w";
}
io = ObjectFactory.createFile(filename, mode);
} else {
RubyString mode = (RubyString) args.get(1);
io = ObjectFactory.createFile(filename, mode.toString());
}
if (null == block) {
return io;
} else {
RubyValue v = block.invoke(receiver, io);
io.close();
return v;
}
}
