bytebuffer.h

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef _LOG4CXX_HELPERS_BYTEBUFFER_H
#define _LOG4CXX_HELPERS_BYTEBUFFER_H

#include <log4cxx/log4cxx.h>
#include <stdio.h>

namespace log4cxx
{

namespace helpers
{

class LOG4CXX_EXPORT ByteBuffer
{
    private:
        char* base;
        size_t pos;
        size_t lim;
        size_t cap;

    public:
        ByteBuffer(char* data, size_t capacity);
        ~ByteBuffer();

        void clear();
        void flip();

        inline char* data()
        {
            return base;
        }
        inline const char* data() const
        {
            return base;
        }
        inline char* current()
        {
            return base + pos;
        }
        inline const char* current() const
        {
            return base + pos;
        }
        inline size_t limit() const
        {
            return lim;
        }
        void limit(size_t newLimit);
        inline size_t position() const
        {
            return pos;
        }
        inline size_t remaining() const
        {
            return lim - pos;
        }
        void position(size_t newPosition);

        bool put(char byte);


    private:
        ByteBuffer(const ByteBuffer&);
        ByteBuffer& operator=(const ByteBuffer&);
};

} // namespace helpers

}  //namespace log4cxx

#endif //_LOG4CXX_HELPERS_BYTEBUFFER_H