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// Copyright Eric Niebler 2005.

// Distributed under the Boost Software License, Version 1.0. (See

// accompanying file LICENSE_1_0.txt or copy at

// http://www.boost.org/LICENSE_1_0.txt)

//

// Credits:

// Andreas Kl\:ockner for fixing increment() to handle

// error conditions.

#include <boost/python/object.hpp>

#include <boost/python/handle.hpp>

#include <boost/python/object/stl_iterator_core.hpp>

namespace boost { namespace python { namespace objects

{

stl_input_iterator_impl::stl_input_iterator_impl()

: it_()

, ob_()

{

}

stl_input_iterator_impl::stl_input_iterator_impl(boost::python::object const &ob)

: it_(ob.attr("__iter__")())

, ob_()

{

this->increment();

}

void stl_input_iterator_impl::increment()

{

this->ob_ = boost::python::handle<>(

boost::python::allow_null(PyIter_Next(this->it_.ptr())));

if (PyErr_Occurred())

throw boost::python::error_already_set();

}

bool stl_input_iterator_impl::equal(stl_input_iterator_impl const &that) const

{

return !this->ob_ == !that.ob_;

}

boost::python::handle<> const &stl_input_iterator_impl::current() const

{

return this->ob_;

}

}}} // namespace boost::python::objects