Package org.jruby.util

Examples of org.jruby.util.ByteList.begin()

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            result.op_aset(context, createId, self.getMetaClass().to_s());

            ByteList bl = self.getByteList();
            byte[] uBytes = bl.unsafeBytes();
            RubyArray array = runtime.newArray(bl.length());
            for (int i = bl.begin(), t = bl.begin() + bl.length(); i < t; i++) {
                array.store(i, runtime.newFixnum(uBytes[i] & 0xff));
            }

            result.op_aset(context, runtime.newString("raw"), array);
            return result;
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        if (!args[0].isNil()) bytes = args[0].convertToString().getByteList();
        if (!args[1].isNil()) crc = RubyNumeric.num2long(args[1]);

        CRC32Ext ext = new CRC32Ext((int)crc);
        if (bytes != null) {
            ext.update(bytes.getUnsafeBytes(), bytes.begin(), bytes.length());
        }
       
        return recv.getRuntime().newFixnum(ext.getValue());
    }
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        if (!args[0].isNil()) bytes = args[0].convertToString().getByteList();
        if (!args[1].isNil()) adler = RubyNumeric.fix2int(args[1]);

        Adler32Ext ext = new Adler32Ext(adler);
        if (bytes != null) {
            ext.update(bytes.getUnsafeBytes(), bytes.begin(), bytes.length()); // it's safe since adler.update doesn't modify the array
        }
        return recv.getRuntime().newFixnum(ext.getValue());
    }

    private final static long[] crctab = new long[]{
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        @JRubyMethod(name = "write", required = 1)
        public IRubyObject write(IRubyObject p1) {
            ByteList bytes = p1.asString().getByteList();
            try {
                io.write(bytes.getUnsafeBytes(), bytes.begin(), bytes.length());
                return getRuntime().newFixnum(bytes.length());
            } catch (IOException ioe) {
                throw getRuntime().newIOErrorFromException(ioe);
            }
        }
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        Ruby runtime = context.getRuntime();
        if (!s.respondsTo("to_str")) {
            throw runtime.newTypeError("can't convert " + s.getMetaClass() + " into String");
        }
        ByteList bytes = s.convertToString().getByteList();
        ByteBuffer buf = ByteBuffer.wrap(bytes.getUnsafeBytes(), bytes.begin(), bytes.length());
        CharsetDecoder decoder;
        try {
            decoder = Charset.forName("x-JISAutoDetect").newDecoder();
        } catch (UnsupportedCharsetException e) {
            throw runtime.newStandardError("charsets.jar is required to use NKF#guess. Please install JRE which supports m17n.");
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            if (!v.isNil()) {
                tainted = in.isTaint();
                untrusted = in.isUntrusted();
                ByteList bytes = ((RubyString) v).getByteList();
                rawInput = new ByteArrayInputStream(bytes.getUnsafeBytes(), bytes.begin(), bytes.length());
            } else if (in.respondsTo("getc") && in.respondsTo("read")) {
                tainted = true;
                untrusted = true;
                rawInput = inputStream(context, in);
            } else {
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            }
            return Character.valueOf('\0');
        } else if (javaClass == String.class) {
            RubyString rubyString = (RubyString) rubyObject.callMethod(context, "to_s");
            ByteList bytes = rubyString.getByteList();
            return RubyEncoding.decodeUTF8(bytes.getUnsafeBytes(), bytes.begin(), bytes.length());
        } else if (javaClass == ByteList.class) {
            return rubyObject.convertToString().getByteList();
        } else if (javaClass == BigInteger.class) {
           if (rubyObject instanceof RubyBignum) {
             return ((RubyBignum)rubyObject).getValue();
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        case ClassIndex.FLOAT:
            javaObject = new Double(((RubyFloat) object).getValue());
            break;
        case ClassIndex.STRING:
            ByteList bytes = ((RubyString) object).getByteList();
            javaObject = RubyEncoding.decodeUTF8(bytes.getUnsafeBytes(), bytes.begin(), bytes.length());
            break;
        case ClassIndex.TRUE:
            javaObject = Boolean.TRUE;
            break;
        case ClassIndex.FALSE:
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            ByteList bytes = string.getByteList();

            // 1.9 support for encodings
            // TODO: Fix charset use for JRUBY-4553
            if (string.getRuntime().is1_9()) {
                return new String(bytes.getUnsafeBytes(), bytes.begin(), bytes.length(), string.getEncoding().toString());
            }

            return RubyEncoding.decodeUTF8(bytes.getUnsafeBytes(), bytes.begin(), bytes.length());
        } catch (UnsupportedEncodingException uee) {
            return string.toString();
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            // TODO: Fix charset use for JRUBY-4553
            if (string.getRuntime().is1_9()) {
                return new String(bytes.getUnsafeBytes(), bytes.begin(), bytes.length(), string.getEncoding().toString());
            }

            return RubyEncoding.decodeUTF8(bytes.getUnsafeBytes(), bytes.begin(), bytes.length());
        } catch (UnsupportedEncodingException uee) {
            return string.toString();
        }
    }
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