diff options
Diffstat (limited to 'balance.cc')
-rw-r--r-- | balance.cc | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/balance.cc b/balance.cc new file mode 100644 index 00000000..42ed2788 --- /dev/null +++ b/balance.cc @@ -0,0 +1,277 @@ +#include "balance.h" + +#include <deque> + +namespace ledger { + +amount_t balance_t::amount(const commodity_t& commodity) const +{ + if (! commodity) { + if (amounts.size() == 1) { + amounts_map::const_iterator i = amounts.begin(); + return (*i).second; + } + } + else if (amounts.size() > 0) { + amounts_map::const_iterator i = amounts.find(&commodity); + if (i != amounts.end()) + return (*i).second; + } + return amount_t(); +} + +balance_t balance_t::value(const std::time_t moment) const +{ + balance_t temp; + + for (amounts_map::const_iterator i = amounts.begin(); + i != amounts.end(); + i++) + temp += (*i).second.value(moment); + + return temp; +} + +struct compare_amount_commodities { + bool operator()(const amount_t * left, const amount_t * right) const { + return left->commodity().symbol < right->commodity().symbol; + } +}; + +void balance_t::write(std::ostream& out, + const int first_width, + const int latter_width) const +{ + bool first = true; + int lwidth = latter_width; + + if (lwidth == -1) + lwidth = first_width; + + typedef std::deque<const amount_t *> amounts_deque; + amounts_deque sorted; + + for (amounts_map::const_iterator i = amounts.begin(); + i != amounts.end(); + i++) + if ((*i).second) + sorted.push_back(&(*i).second); + + std::stable_sort(sorted.begin(), sorted.end(), compare_amount_commodities()); + + for (amounts_deque::const_iterator i = sorted.begin(); + i != sorted.end(); + i++) { + int width; + if (! first) { + out << std::endl; + width = lwidth; + } else { + first = false; + width = first_width; + } + + out.width(width); + out.fill(' '); + out << std::right << **i; + } + + if (first) { + out.width(first_width); + out.fill(' '); + out << std::right << "0"; + } +} + +} // namespace ledger + +#ifdef USE_BOOST_PYTHON + +#include <boost/python.hpp> + +using namespace boost::python; +using namespace ledger; + +unsigned int balance_len(balance_t& bal) +{ + return bal.amounts.size(); +} + +amount_t balance_getitem(balance_t& bal, int i) +{ + std::size_t len = bal.amounts.size(); + + if (abs(i) >= len) { + PyErr_SetString(PyExc_IndexError, "Index out of range"); + throw_error_already_set(); + } + + int x = i < 0 ? len + i : i; + amounts_map::iterator elem = bal.amounts.begin(); + while (--x >= 0) + elem++; + + return (*elem).second; +} + +unsigned int balance_pair_len(balance_pair_t& bal_pair) +{ + return balance_len(bal_pair.quantity); +} + +amount_t balance_pair_getitem(balance_pair_t& bal_pair, int i) +{ + return balance_getitem(bal_pair.quantity, i); +} + +void export_balance() +{ + class_< balance_t > ("Balance") + .def(init<balance_t>()) + .def(init<amount_t>()) + .def(init<long>()) + .def(init<unsigned long>()) + .def(init<double>()) + + .def(self += self) + .def(self += other<amount_t>()) + .def(self += long()) + .def(self + self) + .def(self + other<amount_t>()) + .def(self + long()) + .def(self -= self) + .def(self -= other<amount_t>()) + .def(self -= long()) + .def(self - self) + .def(self - other<amount_t>()) + .def(self - long()) + .def(self *= self) + .def(self *= other<amount_t>()) + .def(self *= long()) + .def(self * self) + .def(self * other<amount_t>()) + .def(self * long()) + .def(self /= self) + .def(self /= other<amount_t>()) + .def(self /= long()) + .def(self / self) + .def(self / other<amount_t>()) + .def(self / long()) + .def(- self) + + .def(self < self) + .def(self < other<amount_t>()) + .def(self < long()) + .def(self <= self) + .def(self <= other<amount_t>()) + .def(self <= long()) + .def(self > self) + .def(self > other<amount_t>()) + .def(self > long()) + .def(self >= self) + .def(self >= other<amount_t>()) + .def(self >= long()) + .def(self == self) + .def(self == other<amount_t>()) + .def(self == long()) + .def(self != self) + .def(self != other<amount_t>()) + .def(self != long()) + .def(! self) + + .def(abs(self)) + .def(self_ns::str(self)) + + .def("__len__", balance_len) + .def("__getitem__", balance_getitem) + + .def("negate", &balance_t::negate) + .def("amount", &balance_t::amount) + .def("value", &balance_t::value) + .def("write", &balance_t::write) + .def("valid", &balance_t::valid) + ; + + class_< balance_pair_t > ("BalancePair") + .def(init<balance_pair_t>()) + .def(init<balance_t>()) + .def(init<amount_t>()) + .def(init<long>()) + .def(init<unsigned long>()) + .def(init<double>()) + + .def(self += self) + .def(self += other<balance_t>()) + .def(self += other<amount_t>()) + .def(self += long()) + .def(self + self) + .def(self + other<balance_t>()) + .def(self + other<amount_t>()) + .def(self + long()) + .def(self -= self) + .def(self -= other<balance_t>()) + .def(self -= other<amount_t>()) + .def(self -= long()) + .def(self - self) + .def(self - other<balance_t>()) + .def(self - other<amount_t>()) + .def(self - long()) + .def(self *= self) + .def(self *= other<balance_t>()) + .def(self *= other<amount_t>()) + .def(self *= long()) + .def(self * self) + .def(self * other<balance_t>()) + .def(self * other<amount_t>()) + .def(self * long()) + .def(self /= self) + .def(self /= other<balance_t>()) + .def(self /= other<amount_t>()) + .def(self /= long()) + .def(self / self) + .def(self / other<balance_t>()) + .def(self / other<amount_t>()) + .def(self / long()) + .def(- self) + + .def(self < self) + .def(self < other<balance_t>()) + .def(self < other<amount_t>()) + .def(self < long()) + .def(self <= self) + .def(self <= other<balance_t>()) + .def(self <= other<amount_t>()) + .def(self <= long()) + .def(self > self) + .def(self > other<balance_t>()) + .def(self > other<amount_t>()) + .def(self > long()) + .def(self >= self) + .def(self >= other<balance_t>()) + .def(self >= other<amount_t>()) + .def(self >= long()) + .def(self == self) + .def(self == other<balance_t>()) + .def(self == other<amount_t>()) + .def(self == long()) + .def(self != self) + .def(self != other<balance_t>()) + .def(self != other<amount_t>()) + .def(self != long()) + .def(! self) + + .def(abs(self)) + .def(self_ns::str(self)) + + .def("__len__", balance_pair_len) + .def("__getitem__", balance_pair_getitem) + + .def("negate", &balance_pair_t::negate) + .def("amount", &balance_pair_t::amount) + .def("value", &balance_pair_t::value) + .def("write", &balance_pair_t::write) + .def("valid", &balance_pair_t::valid) + ; +} + +#endif // USE_BOOST_PYTHON |