streamtools.h

//========================================================================
#ifndef comfrm_cls_DataStreamH
#define comfrm_cls_DataStreamH
//========================================================================
#include "libtools.h"

#include <vector>
#include <boost/noncopyable.hpp>
//========================================================================
//template<typename CharT, typename TraitsT = std::char_traits< CharT > >
//class MAC_DLLEXPORT VectorBuf : public std::basic_streambuf< CharT, TraitsT >
namespace com {
    class MAC_DLLEXPORT VectorBuf : public std::streambuf, boost::noncopyable
    {
        //const int m_reallocationAddition = 256;
        const int m_reallocationAddition = 4;

    public:
        explicit VectorBuf(std::vector< char >& p_vector);

    private:
        int_type underflow(); // TODO: it duplicates default behaviour, can be deleted
        int_type overflow(int_type ch);
        int sync();

    private:
        std::vector< char >& m_vector;
    };

    class MAC_DLLEXPORT VectorStream : public std::iostream
    {
    public:
        VectorStream(std::vector< char > &p_vector)
            //: m_vectorbuf(p_vector)
            //, std::iostream(&m_vectorbuf)
            : std::iostream()
            , m_vectorbuf(p_vector)
        {
            this->init(&m_vectorbuf);
        }

        size_t bytesAvailable()
        {
            return m_vectorbuf.in_avail();
        }

    private:
      VectorBuf m_vectorbuf;

    };
}
//========================================================================
#endif
//========================================================================