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// |
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// Copyright (c) 2019-2020 CNRS INRIA |
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// |
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#ifndef __pinocchio_python_utils_pickle_map_hpp__ |
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#define __pinocchio_python_utils_pickle_map_hpp__ |
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#include <boost/python.hpp> |
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#include <boost/python/tuple.hpp> |
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namespace pinocchio |
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{ |
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namespace python |
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{ |
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namespace bp = boost::python; |
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/// |
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/// \brief Create a pickle interface for the std::map and aligned map |
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/// |
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/// \tparam MapType Map Type to pickle |
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/// |
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/// \sa PickleVector |
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/// |
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template<typename MapType> |
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struct PickleMap : boost::python::pickle_suite |
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{ |
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static boost::python::tuple getinitargs(const MapType &) |
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{ |
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return boost::python::make_tuple(); |
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} |
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static boost::python::tuple getstate(boost::python::object op) |
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{ |
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boost::python::extract<const MapType &> get_map(op); |
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if (get_map.check()) |
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{ |
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const MapType & map = get_map(); |
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boost::python::list list; |
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for (typename MapType::const_iterator it = map.begin(); it != map.end(); ++it) |
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{ |
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list.append(boost::python::make_tuple(it->first, it->second)); |
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} |
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return boost::python::make_tuple(list); |
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} |
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return boost::python::make_tuple(); |
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} |
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static void setstate(bp::object op, bp::tuple tup) |
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{ |
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typedef typename MapType::key_type key_type; |
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typedef typename MapType::mapped_type mapped_type; |
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if (bp::len(tup) > 0) |
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{ |
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bp::extract<MapType &> get_map(op); |
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if (get_map.check()) |
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{ |
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MapType & map = get_map(); |
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boost::python::list list = bp::extract<boost::python::list>(tup[0])(); |
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for (boost::python::ssize_t k = 0; k < boost::python::len(list); ++k) |
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{ |
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boost::python::tuple entry = bp::extract<boost::python::tuple>(list[k])(); |
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key_type key = bp::extract<key_type>(entry[0])(); |
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map[key] = bp::extract<mapped_type>(entry[1])(); |
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} |
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} |
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} |
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} |
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static bool getstate_manages_dict() |
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{ |
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return true; |
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} |
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}; |
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} // namespace python |
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} // namespace pinocchio |
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#endif // ifndef __pinocchio_python_utils_pickle_map_hpp__ |
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