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This commit is contained in:
maartenkeijzer 2003-03-18 09:35:46 +00:00
commit cde5b5d22b
5 changed files with 50 additions and 11 deletions
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18
eo/src/pyeo/pickle.h
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@ -22,7 +22,11 @@
#define PICKLE_h
#include <boost/python.hpp>
#ifdef HAVE_SSTREAM
#include <sstream>
#else
#include <strstream>
#endif
/** Implements pickle support for eoPersistent derivatives */
@ -30,9 +34,13 @@ template <class T>
struct T_pickle_suite : boost::python::pickle_suite
{
static
std::string print_to_std::string(const T& t)
std::string print_to_string(const T& t)
{
#ifdef HAVE_SSTREAM
std::ostringstream os;
#else
std::ostrstream os;
#endif
t.printOn(os);
os << std::ends;
return os.str();
@ -41,7 +49,7 @@ struct T_pickle_suite : boost::python::pickle_suite
static
boost::python::tuple getstate(const T& t)
{
std::string s = print_to_std::string(t);
std::string s = print_to_string(t);
return boost::python::make_tuple( boost::python::str(s));
}
@ -49,7 +57,11 @@ struct T_pickle_suite : boost::python::pickle_suite
void setstate(T& t, boost::python::tuple pickled)
{
std::string s = extract<std::string>(pickled[0]);
#ifdef HAVE_SSTREAM
std::istringstream is(s);
#else
std::istrstream is(s.c_str(), s.size());
#endif
t.readFrom(is);
}
};
@ -61,7 +73,7 @@ template <class Persistent, class X1, class X2, class X3>
boost::python::class_<Persistent, X1, X2, X3>& pickle(boost::python::class_<Persistent, X1, X2, X3>& c)
{
return c.def_pickle(T_pickle_suite<Persistent>())
.def("__str__", T_pickle_suite<Persistent>::print_to_std::string);
.def("__str__", T_pickle_suite<Persistent>::print_to_string);
}
#endif