C20Buffers.hpp

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//
// Created by tony on 11/03/22.
//
#pragma once
#ifndef _UTILS_C20BUFFERS_HPP_
#define _UTILS_C20BUFFERS_HPP_
 
#include <vector>
#include <memory>
#if defined(__GNUC__) && (__GNUC__ >= 4)
#define ADB_memcpy(dst, src, size) __builtin_memcpy(dst, src, size)
#else
#define ADB_memcpy(dst, src, size) memcpy(dst, src, size)
#endif
namespace INTELLI {
template<typename dataType>
class C20Buffer {
 protected:
  size_t pos = 0;
 public:
  std::vector<dataType> area;
  void reset() {
    pos = 0;
  }
  C20Buffer() { reset(); }
  ~C20Buffer() {}
 
  C20Buffer(size_t len) {
    area = std::vector<dataType>(len);
    reset();
  }
  size_t bufferSize() {
    return area.size();
  }
  size_t size() {
    return pos;
  }
  dataType *data() {
    return &area[0];
  }
  dataType *data(size_t offset) {
    return &area[offset];
  }
  size_t append(dataType da) {
    /*if(pos<area.size())
    {
      area[pos]=da;
      pos++;
    }
    else
    {
      area.push_back(da);
      pos=area.size();
    }*/
    area[pos] = da;
    pos++;
    return pos;
  }
  size_t append(dataType *da, size_t len) {
    ADB_memcpy(&area[pos], da, len * sizeof(dataType));
    pos += len;
    return pos;
  }
};
}
#endif //ALIANCEDB_INCLUDE_UTILS_C20BUFFERS_HPP_