Package org.jruby.util

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

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    @JRubyMethod(name = "get_string")
    public IRubyObject get_string(ThreadContext context, IRubyObject offArg) {
        long off = getOffset(offArg);
        int len = (int) getMemoryIO().indexOf(off, (byte) 0);
        ByteList bl = new ByteList(len);
        getMemoryIO().get(off, bl.unsafeBytes(), bl.begin(), len);
        bl.length(len);
        return context.getRuntime().newString(bl);
    }
    @JRubyMethod(name = "get_string")
    public IRubyObject get_string(ThreadContext context, IRubyObject offArg, IRubyObject lenArg) {
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        int len = (int) getMemoryIO().indexOf(off, (byte) 0, maxlen);
        if (len < 0 || len > maxlen) {
            len = maxlen;
        }
        ByteList bl = new ByteList(len);
        getMemoryIO().get(off, bl.unsafeBytes(), bl.begin(), len);
        bl.length(len);
        return context.getRuntime().newString(bl);
    }
    @JRubyMethod(name = "put_string", required = 2, optional = 1)
    public IRubyObject put_string(ThreadContext context, IRubyObject[] args) {
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        boolean nulTerminate = true;
        if (args.length > 2) {
            len = Math.min(Util.int32Value(args[2]) - 1, len);
            nulTerminate = false;
        }
        getMemoryIO().put(off, bl.unsafeBytes(), bl.begin(), len);
        if (nulTerminate) {
            getMemoryIO().putByte(off + bl.length(), (byte) 0);
        }
        return this;
    }
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        }
        public void put(Ruby runtime, IRubyObject ptr, IRubyObject value) {
            MemoryIO io = getMemoryIO(ptr).getMemoryIO(offset);
            if (!io.isNull()) {
                ByteList bl = value.convertToString().getByteList();
                io.put(0, bl.unsafeBytes(), bl.begin(), bl.length());
                io.putByte(bl.length(), (byte) 0);
            }
        }

        public IRubyObject get(Ruby runtime, IRubyObject ptr) {
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                return runtime.getNil();
            }
            int len = (int) io.indexOf(0, (byte) 0, Integer.MAX_VALUE);
            ByteList bl = new ByteList(len);
            bl.length(len);
            io.get(0, bl.unsafeBytes(), bl.begin(), len);
       
            return runtime.newString(bl);
        }
        static StructLayout.Member create(long offset) { return new StringMember(offset); }
    }
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        public void put(Ruby runtime, IRubyObject ptr, IRubyObject value) {
            MemoryIO io = getMemoryIO(ptr);
            ByteList bl = value.convertToString().getByteList();
            // Clamp to no longer than
            int len = Math.min(bl.length(), size - 1);
            io.put(offset, bl.unsafeBytes(), bl.begin(), len);
            io.putByte(offset + len, (byte) 0);
        }

        public IRubyObject get(Ruby runtime, IRubyObject ptr) {
            MemoryIO io = getMemoryIO(ptr);
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            if (len < 0) {
                len = size;
            }
            ByteList bl = new ByteList(len);
            bl.length(len);
            io.get(0, bl.unsafeBytes(), bl.begin(), len);
       
            return runtime.newString(bl);
        }
        static StructLayout.Member create(long offset, int size) {
            return new CharArrayMember(offset, size);
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    @JRubyMethod(name = "get_buffer", required = 2)
    public IRubyObject get_buffer(ThreadContext context, IRubyObject off, IRubyObject len_) {
        int len = Util.int32Value(len_);
        ByteList bl = new ByteList(len);
        getMemoryIO().get(getOffset(off), bl.unsafeBytes(), bl.begin(), len);
        bl.length(len);
        return context.getRuntime().newString(bl);
    }
    @JRubyMethod(name = "put_buffer", required = 3)
    public IRubyObject put_buffer(ThreadContext context, IRubyObject off, IRubyObject str, IRubyObject len_) {
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    }
    @JRubyMethod(name = "put_buffer", required = 3)
    public IRubyObject put_buffer(ThreadContext context, IRubyObject off, IRubyObject str, IRubyObject len_) {
        ByteList bl = str.convertToString().getByteList();
        int len = Math.min(bl.length(), Util.int32Value(len_));
        getMemoryIO().put(getOffset(off), bl.unsafeBytes(), bl.begin(), len);
        return context.getRuntime().newFixnum(len);
    }
    @JRubyMethod(name = "free")
    public IRubyObject free(ThreadContext context) {
        // Just let the GC collect and free the pointer
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            if (in != null && in.respondsTo("read")) {
                rawInput = inputStream(in);
            } else if (in != null && in.respondsTo("to_str")) {
                RubyString inString = (RubyString) RuntimeHelpers.invoke(context, in, "to_str");
                ByteList bytes = inString.getByteList();
                rawInput = new ByteArrayInputStream(bytes.unsafeBytes(), bytes.begin(), bytes.length());
            } else {
                throw recv.getRuntime().newTypeError("instance of IO needed");
            }
           
            UnmarshalStream input = new UnmarshalStream(recv.getRuntime(), rawInput, proc);
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