ByteBuffer.h

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#ifndef DAQREADOUTFORMAT_BYTEBUFFER_H
#define DAQREADOUTFORMAT_BYTEBUFFER_H

/*
 *  ByteBuffer.h
 *  DaqReadoutFormat
 *
 *  Created by Simon Patton on 7/18/10.
 *  Copyright 2010 DayaBay Collaboration. All rights reserved.
 *
 */

namespace DybDaq {
    
class ByteBuffer {
        
public:

        static const unsigned int BYTES_IN_INT;
    
        ByteBuffer(char* contents,
                           unsigned int capacity);
        
        virtual ~ByteBuffer();
        
    const char* grab() const;
        
    void release() const;

        const unsigned int capacity() const;
        
        const unsigned int remaining() const;
    
        const bool hasRemaining() const;
        
        const unsigned int limit() const;
        
        const ByteBuffer* limit(unsigned int newLimit) const;
        
        const unsigned int position() const;
    
        const ByteBuffer* position(unsigned int newPosition) const;
    
    const char* cursor() const;
        
        const char readChar(unsigned int index) const;
        
        const unsigned int readUnsignedInt(unsigned int index) const;
        
    char* cursor();
        
    const unsigned int put(const char* source,
                           const unsigned int length);
            
private:
        
        ByteBuffer(ByteBuffer& rhs);
        
        ByteBuffer& operator=(ByteBuffer& rhs); 

        char* m_buffer;
        
        unsigned int m_capacity;
        
        mutable unsigned int m_limit;

        mutable unsigned int m_position;

        mutable unsigned int m_count;
};
    
}

#endif // DAQREADOUTFORMAT_BYTEBUFFER_H