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Diffstat (limited to '')
-rw-r--r-- | src/boost/libs/python/src/object/stl_iterator.cpp | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/boost/libs/python/src/object/stl_iterator.cpp b/src/boost/libs/python/src/object/stl_iterator.cpp new file mode 100644 index 000000000..e32d32145 --- /dev/null +++ b/src/boost/libs/python/src/object/stl_iterator.cpp @@ -0,0 +1,48 @@ +// 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 |