@JRubyMethod(name = "chr", compat = CompatVersion.RUBY1_9)
public RubyString chr19(ThreadContext context, IRubyObject arg) {
Ruby runtime = context.getRuntime();
long value = getLongValue();
Encoding enc = arg.convertToString().toEncoding(runtime);
int n;
if (value < 0 || (n = StringSupport.codeLength(runtime, enc, (int) value)) <= 0) {
throw runtime.newRangeError(this.toString() + " out of char range");
}
ByteList bytes = new ByteList(n);
enc.codeToMbc((int) value, bytes.getUnsafeBytes(), 0);
bytes.setRealSize(n);
return RubyString.newStringNoCopy(runtime, bytes, enc, 0);
}
@JRubyMethod(name = "each_codepoint")
public IRubyObject each_codepoint(ThreadContext context, Block block) {
Ruby runtime = context.runtime;
if (!block.isGiven()) return enumeratorize(runtime, this, "each_codepoint");
checkReadable();
Encoding enc = ptr.string.getEncoding();
byte[] unsafeBytes = ptr.string.getByteList().getUnsafeBytes();
int begin = ptr.string.getByteList().getBegin();
for (; ; ) {
if (ptr.pos >= ptr.string.size()) {
return this;
}
int c =
StringSupport.codePoint(runtime, enc, unsafeBytes, begin + ptr.pos, unsafeBytes.length);
int n = StringSupport.codeLength(runtime, enc, c);
block.yield(context, runtime.newFixnum(c));
ptr.pos += n;
}
}