Class SimpleString

include/behaviortree_cpp/utils/simple_string.hpp:18–211

// Inspired by https://github.com/elliotgoodrich/SSO-23

class SimpleString
{
public:
  SimpleString()
  {
    _storage.soo.capacity_left = CAPACITY;
    _storage.soo.data[0] = '\0';
  }

  SimpleString(const std::string& str) : SimpleString(str.data(), str.size())
  {}

  SimpleString(const std::string_view& str) : SimpleString(str.data(), str.size())
  {}

  SimpleString(const SimpleString& other) : SimpleString(other.data(), other.size())
  {}

  SimpleString& operator=(const SimpleString& other)
  {
    if(this != &other)
    {
      this->~SimpleString();
      createImpl(other.data(), other.size());
    }
    return *this;
  }

  SimpleString(SimpleString&& other) noexcept : SimpleString()
  {
    std::swap(_storage, other._storage);
  }

  SimpleString& operator=(SimpleString&& other) noexcept
  {
    if(this != &other)
    {
      std::swap(_storage, other._storage);
    }
    return *this;
  }

  SimpleString(const char* input_data) : SimpleString(input_data, strlen(input_data))
  {}

  SimpleString(const char* input_data, std::size_t size)
  {
    createImpl(input_data, size);
  }

  ~SimpleString()
  {
    if(!isSOO())
    {
      delete[] _storage.str.data;
    }
    _storage.soo.capacity_left = CAPACITY;
  }