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using namespace boost::python;
using namespace ledger;
value_t py_calc_1(xpath_t::op_t& xpath_t, const details_t& item)
{
value_t result;
xpath_t.calc(result, item);
return result;
}
template <typename T>
value_t py_calc(xpath_t::op_t& xpath_t, const T& item)
{
value_t result;
xpath_t.calc(result, details_t(item));
return result;
}
xpath_t::op_t * py_parse_xpath_t_1(const string& str)
{
return parse_xpath_t(str);
}
#define EXC_TRANSLATOR(type) \
void exc_translate_ ## type(const type& err) { \
PyErr_SetString(PyExc_RuntimeError, err.what()); \
}
EXC_TRANSLATOR(xpath_t_error)
EXC_TRANSLATOR(calc_error)
#if 0
EXC_TRANSLATOR(mask_error)
#endif
void export_xpath()
{
class_< details_t > ("Details", init<const entry_t&>())
.def(init<const transaction_t&>())
.def(init<const account_t&>())
.add_property("entry",
make_getter(&details_t::entry,
return_value_policy<reference_existing_object>()))
.add_property("xact",
make_getter(&details_t::xact,
return_value_policy<reference_existing_object>()))
.add_property("account",
make_getter(&details_t::account,
return_value_policy<reference_existing_object>()))
;
class_< xpath_t::op_t > ("ValueExpr", init<xpath_t::op_t::kind_t>())
.def("calc", py_calc_1)
.def("calc", py_calc<account_t>)
.def("calc", py_calc<entry_t>)
.def("calc", py_calc<transaction_t>)
;
def("parse_xpath_t", py_parse_xpath_t_1,
return_value_policy<manage_new_object>());
class_< item_predicate<transaction_t> >
("TransactionPredicate", init<string>())
.def("__call__", &item_predicate<transaction_t>::operator())
;
class_< item_predicate<account_t> >
("AccountPredicate", init<string>())
.def("__call__", &item_predicate<account_t>::operator())
;
#define EXC_TRANSLATE(type) \
register_exception_translator<type>(&exc_translate_ ## type);
EXC_TRANSLATE(xpath_t_error);
EXC_TRANSLATE(calc_error);
#if 0
EXC_TRANSLATE(mask_error);
#endif
}
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