Final/cpp/lib/common/framing/Buffer.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.
 *
 */
#include <amqp_types.h>

#ifndef _Buffer_
#define _Buffer_

namespace qpid {
namespace framing {

class Content;
class FieldTable;

class Buffer
{
    const u_int32_t size;
    const bool owner;//indicates whether the data is owned by this instance
    char* data;
    u_int32_t position;
    u_int32_t limit;
    u_int32_t r_position;
    u_int32_t r_limit;

public:

    Buffer(u_int32_t size);
    Buffer(char* data, u_int32_t size);
    ~Buffer();

    void flip();
    void clear();
    void compact();
    void record();
    void restore();
    u_int32_t available();
    char* start();
    void move(u_int32_t bytes);
    
    void putOctet(u_int8_t i);
    void putShort(u_int16_t i);
    void putLong(u_int32_t i);
    void putLongLong(u_int64_t i);

    u_int8_t getOctet();
    u_int16_t getShort(); 
    u_int32_t getLong();
    u_int64_t getLongLong();

    void putShortString(const string& s);
    void putLongString(const string& s);
    void getShortString(string& s);
    void getLongString(string& s);

    void putFieldTable(const FieldTable& t);
    void getFieldTable(FieldTable& t);

    void putContent(const Content& c);
    void getContent(Content& c);

    void putRawData(const string& s);
    void getRawData(string& s, u_int32_t size);

};

}
}


#endif