Package org.jruby.util

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

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    @JRubyMethod(name = "put_string")
    public IRubyObject put_string(ThreadContext context, IRubyObject offArg, IRubyObject strArg) {
        long off = getOffset(offArg);
        ByteList bl = strArg.convertToString().getByteList();
        getMemoryIO().putZeroTerminatedByteArray(off, bl.getUnsafeBytes(), bl.begin(), bl.length());
        return this;
    }

    @JRubyMethod(name = "write_string")
    public IRubyObject write_string(ThreadContext context, IRubyObject strArg) {
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    }

    @JRubyMethod(name = "write_string")
    public IRubyObject write_string(ThreadContext context, IRubyObject strArg) {
        ByteList bl = strArg.convertToString().getByteList();
        getMemoryIO().put(0, bl.getUnsafeBytes(), bl.begin(), bl.length());
        return this;
    }

    @JRubyMethod(name = "write_string")
    public IRubyObject write_string(ThreadContext context, IRubyObject strArg, IRubyObject lenArg) {
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    }

    @JRubyMethod(name = "write_string")
    public IRubyObject write_string(ThreadContext context, IRubyObject strArg, IRubyObject lenArg) {
        ByteList bl = strArg.convertToString().getByteList();
        getMemoryIO().put(0, bl.getUnsafeBytes(), bl.begin(),
                Math.min(bl.length(), (int) org.jruby.RubyInteger.num2long(lenArg)));
        return this;
    }

    @JRubyMethod(name = "get_bytes")
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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());
    }

    @JRubyMethod(compat = RUBY1_9)
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        if (length < 0 || length > bytes.length() - start) {
            length = bytes.length() - start;
        }
       
        ByteBuffer buf = ByteBuffer.wrap(bytes.getUnsafeBytes(), bytes.begin() + start, length);
       
        try {
            CharBuffer cbuf = fromEncoding.decode(buf);
            buf = toEncoding.encode(cbuf);
        } catch (MalformedInputException e) {
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        Ruby runtime = context.runtime;
        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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            inPtr.p = inBytes.getBegin();
            outPtr.p = outBytes.getBegin() + outputByteoffset;
            int os = outPtr.p + outputBytesize;
            EConvResult res = ec.convert(inBytes.getUnsafeBytes(), inPtr, inBytes.getRealSize() + inPtr.p, outBytes.getUnsafeBytes(), outPtr, os, flags);

            outBytes.setRealSize(outPtr.p - outBytes.begin());

            if (input != null) {
                input.getByteList().setRealSize(inBytes.getRealSize() - (inPtr.p - inBytes.getBegin()));
                input.getByteList().setBegin(inPtr.p);
            }
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            IRubyObject v = in.checkStringType();
           
            if (!v.isNil()) {
                tainted = in.isTaint();
                ByteList bytes = ((RubyString) v).getByteList();
                rawInput = new ByteArrayInputStream(bytes.getUnsafeBytes(), bytes.begin(), bytes.length());
            } else if (in.respondsTo("getc") && in.respondsTo("read")) {
                tainted = true;
                rawInput = inputStream(context, in);
            } else {
                throw runtime.newTypeError("instance of IO needed");
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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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