/home/sn3d/devel/aja-ml/aja-lib/src/OutputBuffer.h

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/*******************************************************/
#if !defined(_AJA_OUTPUTBUFFER_H_)
#define _AJA_OUTPUTBUFFER_H_

#include "aja.h"

#define BUFBLOCK_SIZE 512

namespace aja
{
        /********************************************************/
    class basicHelper
    {
        public:
            const void*  mPtr;
            unsigned int mSize;
    };      
    
    
        /********************************************************/
         class memHelper : public basicHelper 
         {
           public:
                memHelper(const void* data, unsigned int size)
                {
                    mPtr = data;
                    mSize = size;
                }
     };     


        /********************************************************/
         class typeHelper : public basicHelper 
         {
           public:
                byte_t mType;
                
                typeHelper(byte_t itmType, byte_t itmSubType)
                {
                    mType = 0;            
                    mType = mType | ( itmType << 4);        
                    mType = mType | itmSubType;
                    mPtr  = &mType;
                    mSize = sizeof(byte_t);
                }                
     };     


        /********************************************************/
         class elmIdHelper : public basicHelper 
         {
           public:
                byte_t mNum[3];
                
                elmIdHelper(number_t id)
                {
                    id = id & NUMBER24_MAX;
                    mNum[0] = (byte_t)((id >> 16)& 0x000000FF);
                    mNum[1] = (byte_t)((id >> 8) & 0x000000FF);
                    mNum[2] = (byte_t)(id & 0x000000FF);
                    mPtr  = &mNum;
                    mSize = 3 * sizeof(byte_t);
                }                
     };     

    
    
        /********************************************************/
    class OutputBuffer
    {
        public:
            OutputBuffer();
            virtual ~OutputBuffer();
            
                //       FUNCTIONS
                public:
            void*        getBuffer();
            unsigned int getBufferSize();
            void         erase();
            bool         pushBack(const void* data, unsigned int size);            
                       
        protected:
            bool         resize(unsigned int new_size);

                //       MEMBERS
                protected:
            unsigned int mRealSize;  
            unsigned int mDataSize;  
            byte_t*      mBuffer;    
            
        //  OVERRIDEN OPERATORS
        friend OutputBuffer& operator << (OutputBuffer& o, const basicHelper& data);
        friend OutputBuffer& operator << (OutputBuffer& o, const byte_t data);
        friend OutputBuffer& operator << (OutputBuffer& o, const char* data);    
        friend OutputBuffer& operator << (OutputBuffer& o, const dbyte_t data);
        friend OutputBuffer& operator << (OutputBuffer& o, const number_t data);
        friend OutputBuffer& operator << (OutputBuffer& o, const std::string data);
        friend OutputBuffer& operator << (OutputBuffer& o, const OutputBuffer& i);                        
    };

}

#endif

---