@JRubyMethod(name = "putc", required = 1)
@Override
public IRubyObject putc(IRubyObject obj) {
checkWritable();
byte c = RubyNumeric.num2chr(obj);
checkFrozen();
data.internal.modify();
ByteList bytes = data.internal.getByteList();
if (data.modes.isAppendable()) {
data.pos = bytes.length();
bytes.append(c);
} else {
if (isEndOfString()) bytes.length((int) data.pos + 1);
bytes.set((int) data.pos, c);
data.pos++;
}
return obj;
}
private int writeInternal(ThreadContext context, IRubyObject arg) {
checkWritable();
checkFrozen();
RubyString val = arg.asString();
data.internal.modify();
if (data.modes.isAppendable()) {
data.internal.getByteList().append(val.getByteList());
data.pos = data.internal.getByteList().length();
} else {
int left = data.internal.getByteList().length() - (int) data.pos;
data.internal
.getByteList()
.replace((int) data.pos, Math.min(val.getByteList().length(), left), val.getByteList());
data.pos += val.getByteList().length();
}
if (val.isTaint()) {
data.internal.setTaint(true);
}
return val.getByteList().length();
}