Class SwigPySequence_Cont

swig/python/export_wrap.cpp:4721–4806

  template <class T>
  struct SwigPySequence_Cont
  {
    typedef SwigPySequence_Ref<T> reference;
    typedef const SwigPySequence_Ref<T> const_reference;
    typedef T value_type;
    typedef T* pointer;
    typedef int difference_type;
    typedef int size_type;
    typedef const pointer const_pointer;
    typedef SwigPySequence_InputIterator<T, reference> iterator;
    typedef SwigPySequence_InputIterator<T, const_reference> const_iterator;

    SwigPySequence_Cont(PyObject* seq) : _seq(0)
    {
      if (!PySequence_Check(seq)) {
	throw std::invalid_argument("a sequence is expected");
      }
      _seq = seq;
      Py_INCREF(_seq);
    }

    ~SwigPySequence_Cont()
    {
      Py_XDECREF(_seq);
    }

    size_type size() const
    {
      return static_cast<size_type>(PySequence_Size(_seq));
    }

    bool empty() const
    {
      return size() == 0;
    }

    iterator begin()
    {
      return iterator(_seq, 0);
    }

    const_iterator begin() const
    {
      return const_iterator(_seq, 0);
    }

    iterator end()
    {
      return iterator(_seq, size());
    }

    const_iterator end() const
    {
      return const_iterator(_seq, size());
    }

    reference operator[](difference_type n)
    {