1 // Copyright Eric Niebler 2005.
2 // Distributed under the Boost Software License, Version 1.0. (See
3 // accompanying file LICENSE_1_0.txt or copy at
4 // http://www.boost.org/LICENSE_1_0.txt)
5 #ifndef STL_ITERATOR_EAN20051028_HPP
6 # define STL_ITERATOR_EAN20051028_HPP
8 # include <boost/python/detail/prefix.hpp>
10 # include <boost/python/object/stl_iterator_core.hpp>
12 # include <boost/iterator/iterator_facade.hpp>
14 namespace boost { namespace python
17 // An STL input iterator over a python sequence
18 template<typename ValueT>
19 struct stl_input_iterator
20 : boost::iterator_facade<
21 stl_input_iterator<ValueT>
23 , std::input_iterator_tag
32 // ob is the python sequence
33 stl_input_iterator(boost::python::object const &ob)
39 friend class boost::iterator_core_access;
43 this->impl_.increment();
46 ValueT dereference() const
48 return extract<ValueT>(this->impl_.current().get())();
51 bool equal(stl_input_iterator<ValueT> const &that) const
53 return this->impl_.equal(that.impl_);
56 objects::stl_input_iterator_impl impl_;
59 }} // namespace boost::python
61 #endif // STL_ITERATOR_EAN20051028_HPP