Package org.jcodings

Examples of org.jcodings.Encoding

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        IRubyObject defaultExternal = convertEncodingToRubyEncoding(runtime.getDefaultExternalEncoding());

        if (defaultExternal.isNil()) {
            // TODO: MRI seems to default blindly to US-ASCII and we were using Charset default from Java...which is right?
            ByteList encodingName = ByteList.create("US-ASCII");
            Encoding encoding = runtime.getEncodingService().loadEncoding(encodingName);

            runtime.setDefaultExternalEncoding(encoding);
            defaultExternal = convertEncodingToRubyEncoding(encoding);
        }
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    }

    public Encoding getEncodingFromObject(IRubyObject arg) {
        if (arg == null) return null;

        Encoding encoding = null;
        if (arg instanceof RubyEncoding) {
            encoding = ((RubyEncoding) arg).getEncoding();
        } else if (!arg.isNil()) {
            encoding = arg.convertToString().toEncoding(runtime);
        }
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                        ByteList encodingName = unmarshalString();
                        Entry entry = runtime.getEncodingService().findEncodingOrAliasEntry(encodingName);
                        if (entry == null) {
                            throw runtime.newArgumentError("invalid encoding in marshaling stream: " + encodingName);
                        }
                        Encoding encoding = entry.getEncoding();
                        strObj.setEncoding(encoding);
                        continue;
                    } // else fall through as normal ivar
                }
            }
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            defineAliases();

            // External should always have a value, but Encoding.external_encoding{,=} will lazily setup
            String encoding = runtime.getInstanceConfig().getExternalEncoding();
            if (encoding != null && !encoding.equals("")) {
                Encoding loadedEncoding = loadEncoding(ByteList.create(encoding));
                if (loadedEncoding == null) throw new MainExitException(1, "unknown encoding name - " + encoding);
                runtime.setDefaultExternalEncoding(loadedEncoding);
            } else {
                runtime.setDefaultExternalEncoding(getLocaleEncoding());
            }

            encoding = runtime.getInstanceConfig().getInternalEncoding();
            if (encoding != null && !encoding.equals("")) {
                Encoding loadedEncoding = loadEncoding(ByteList.create(encoding));
                if (loadedEncoding == null) throw new MainExitException(1, "unknown encoding name - " + encoding);
                runtime.setDefaultInternalEncoding(loadedEncoding);
            }
        }
    }
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        return encoding;
    }

    public static Encoding areCompatible(IRubyObject obj1, IRubyObject obj2) {
        if (obj1 instanceof EncodingCapable && obj2 instanceof EncodingCapable) {
            Encoding enc1 = ((EncodingCapable)obj1).getEncoding();
            Encoding enc2 = ((EncodingCapable)obj2).getEncoding();

            if (enc1 == enc2) return enc1;

            if (obj2 instanceof RubyString && ((RubyString) obj2).getByteList().getRealSize() == 0) return enc1;
            if (obj1 instanceof RubyString && ((RubyString) obj1).getByteList().getRealSize() == 0) return enc2;

            if (!enc1.isAsciiCompatible() || !enc2.isAsciiCompatible()) return null;

            if (!(obj2 instanceof RubyString) && enc2 instanceof USASCIIEncoding) return enc1;
            if (!(obj1 instanceof RubyString) && enc1 instanceof USASCIIEncoding) return enc2;

            if(!(obj1 instanceof RubyString)) {
                IRubyObject objTmp = obj1;
                obj1 = obj2;
                obj1 = objTmp;

                Encoding encTmp = enc1;
                enc1 = enc2;
                enc2 = encTmp;
            }

            if (obj1 instanceof RubyString) {
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    }

    @JRubyMethod(name = "compatible?", meta = true)
    public static IRubyObject compatible_p(ThreadContext context, IRubyObject self, IRubyObject first, IRubyObject second) {
        Ruby runtime = context.getRuntime();
        Encoding enc = areCompatible(first, second);

        return enc == null ? runtime.getNil() : runtime.getEncodingService().getEncoding(enc);
    }
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        }

        Arrays.sort(pairs);

        ByteList value = str.getByteList();
        Encoding enc = value.getEncoding();
        byte[]bytes = value.getUnsafeBytes();
        int p = value.getBegin();
        int s = p;

        int c = 0;
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        if (separator != null) {
            if (separator.getRealSize() == 0) separator = Stream.PARAGRAPH_DELIMETER;

            if (runtime.is1_9()) {
                Encoding internal = getInternalEncoding(runtime);

                if (internal != null) {
                    separator = RubyString.transcode(runtime.getCurrentContext(), separator,
                            internal, getExternalEncoding(runtime), runtime.getNil());
                }
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    private IRubyObject getline(Ruby runtime, ByteList separator, long limit, ByteListCache cache) {
        IRubyObject result = getlineInner(runtime, separator, limit, cache);

        if (runtime.is1_9() && !result.isNil()) {
            Encoding internal = getInternalEncoding(runtime);

            if (internal != null) {
                result = RubyString.newStringNoCopy(runtime,
                        RubyString.transcode(runtime.getCurrentContext(),
                        ((RubyString) result).getByteList(), getExternalEncoding(runtime), internal,
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        externalEncoding = getEncodingCommon(context, encoding);
    }


    private void setInternalEncoding(ThreadContext context, IRubyObject encoding) {
        Encoding internalEncodingOption = getEncodingCommon(context, encoding);

        if (internalEncodingOption == externalEncoding) {
            context.getRuntime().getWarnings().warn("Ignoring internal encoding " + encoding
                    + ": it is identical to external encoding " + external_encoding(context));
        } else {
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