block.h

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#ifndef BLOCK_H
#define BLOCK_H

#define BUFFER_MAX 65536

#include <vector>
#include <string>

namespace fun
{
    class block_base
    {
    public:

        block_base(std::string block_name) :
            name(block_name)
        {
        }

        virtual void work() = 0;

        std::string name;
    };

    template<typename I, typename O>
    class block : public block_base
    {
    public:

        block(std::string block_name) :
            block_base(block_name)
        {
            input_buffer.reserve(BUFFER_MAX);
            output_buffer.reserve(BUFFER_MAX);
        }

        virtual void work() = 0;

        std::vector<I> input_buffer;

        std::vector<O> output_buffer;
    };

}

#endif // BLOCK_H