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-rw-r--r--py_value.cc337
1 files changed, 337 insertions, 0 deletions
diff --git a/py_value.cc b/py_value.cc
new file mode 100644
index 00000000..1a43ebc1
--- /dev/null
+++ b/py_value.cc
@@ -0,0 +1,337 @@
+using namespace boost::python;
+using namespace ledger;
+
+long balance_len(balance_t& bal);
+amount_t balance_getitem(balance_t& bal, int i);
+long balance_pair_len(balance_pair_t& bal_pair);
+amount_t balance_pair_getitem(balance_pair_t& bal_pair, int i);
+
+long value_len(value_t& val)
+{
+ switch (val.type) {
+ case value_t::BOOLEAN:
+ case value_t::INTEGER:
+ case value_t::DATETIME:
+ case value_t::AMOUNT:
+ return 1;
+
+ case value_t::BALANCE:
+ return balance_len(*((balance_t *) val.data));
+
+ case value_t::BALANCE_PAIR:
+ return balance_pair_len(*((balance_pair_t *) val.data));
+
+ case value_t::STRING:
+ case value_t::XML_NODE:
+ case value_t::POINTER:
+ return 1;
+
+ case value_t::SEQUENCE:
+ return (*(value_t::sequence_t **) val.data)->size();
+
+ default:
+ assert(0);
+ break;
+ }
+ assert(0);
+ return 0;
+}
+
+amount_t value_getitem(value_t& val, int i)
+{
+ std::size_t len = value_len(val);
+
+ if (abs(i) >= len) {
+ PyErr_SetString(PyExc_IndexError, "Index out of range");
+ throw_error_already_set();
+ }
+
+ switch (val.type) {
+ case value_t::BOOLEAN:
+ throw_(value_exception, "Cannot cast a boolean to an amount");
+
+ case value_t::INTEGER:
+ return long(val);
+
+ case value_t::DATETIME:
+ throw_(value_exception, "Cannot cast a date/time to an amount");
+
+ case value_t::AMOUNT:
+ return *((amount_t *) val.data);
+
+ case value_t::BALANCE:
+ return balance_getitem(*((balance_t *) val.data), i);
+
+ case value_t::BALANCE_PAIR:
+ return balance_pair_getitem(*((balance_pair_t *) val.data), i);
+
+ case value_t::STRING:
+ throw_(value_exception, "Cannot cast a string to an amount");
+
+ case value_t::XML_NODE:
+ return (*(xml::node_t **) data)->to_value();
+
+ case value_t::POINTER:
+ throw_(value_exception, "Cannot cast a pointer to an amount");
+
+ case value_t::SEQUENCE:
+ return (*(value_t::sequence_t **) val.data)[i];
+
+ default:
+ assert(0);
+ break;
+ }
+ assert(0);
+ return 0L;
+}
+
+double py_to_float(value_t& val)
+{
+ return double(val);
+}
+
+void export_value()
+{
+ class_< value_t > ("value")
+ .def(init<value_t>())
+ .def(init<balance_pair_t>())
+ .def(init<balance_t>())
+ .def(init<amount_t>())
+ .def(init<string>())
+ .def(init<double>())
+ .def(init<long>())
+ .def(initmoment_t())
+
+ .def(self + self)
+ .def(self + other<string>())
+ .def(self + other<balance_pair_t>())
+ .def(self + other<balance_t>())
+ .def(self + other<amount_t>())
+ .def(self + long())
+ .def(self + double())
+
+ .def(other<string>() + self)
+ .def(other<balance_pair_t>() + self)
+ .def(other<balance_t>() + self)
+ .def(other<amount_t>() + self)
+ .def(long() + self)
+ .def(double() + self)
+
+ .def(self - self)
+ .def(self - other<string>())
+ .def(self - other<balance_pair_t>())
+ .def(self - other<balance_t>())
+ .def(self - other<amount_t>())
+ .def(self - long())
+ .def(self - double())
+
+ .def(other<string>() - self)
+ .def(other<balance_pair_t>() - self)
+ .def(other<balance_t>() - self)
+ .def(other<amount_t>() - self)
+ .def(long() - self)
+ .def(double() - self)
+
+ .def(self * self)
+ .def(self * other<string>())
+ .def(self * other<balance_pair_t>())
+ .def(self * other<balance_t>())
+ .def(self * other<amount_t>())
+ .def(self * long())
+ .def(self * double())
+
+ .def(other<string>() * self)
+ .def(other<balance_pair_t>() * self)
+ .def(other<balance_t>() * self)
+ .def(other<amount_t>() * self)
+ .def(long() * self)
+ .def(double() * self)
+
+ .def(self / self)
+ .def(self / other<string>())
+ .def(self / other<balance_pair_t>())
+ .def(self / other<balance_t>())
+ .def(self / other<amount_t>())
+ .def(self / long())
+ .def(self / double())
+
+ .def(other<string>() / self)
+ .def(other<balance_pair_t>() / self)
+ .def(other<balance_t>() / self)
+ .def(other<amount_t>() / self)
+ .def(long() / self)
+ .def(double() / self)
+
+ .def(- self)
+
+ .def(self += self)
+ .def(self += other<string>())
+ .def(self += other<balance_pair_t>())
+ .def(self += other<balance_t>())
+ .def(self += other<amount_t>())
+ .def(self += long())
+ .def(self += double())
+
+ .def(self -= self)
+ .def(self -= other<string>())
+ .def(self -= other<balance_pair_t>())
+ .def(self -= other<balance_t>())
+ .def(self -= other<amount_t>())
+ .def(self -= long())
+ .def(self -= double())
+
+ .def(self *= self)
+ .def(self *= other<string>())
+ .def(self *= other<balance_pair_t>())
+ .def(self *= other<balance_t>())
+ .def(self *= other<amount_t>())
+ .def(self *= long())
+ .def(self *= double())
+
+ .def(self /= self)
+ .def(self /= other<string>())
+ .def(self /= other<balance_pair_t>())
+ .def(self /= other<balance_t>())
+ .def(self /= other<amount_t>())
+ .def(self /= long())
+ .def(self /= double())
+
+ .def(self < self)
+ .def(self < other<string>())
+ .def(self < other<balance_pair_t>())
+ .def(self < other<balance_t>())
+ .def(self < other<amount_t>())
+ .def(self < long())
+ .def(self < othermoment_t())
+ .def(self < double())
+
+ .def(other<string>() < self)
+ .def(other<balance_pair_t>() < self)
+ .def(other<balance_t>() < self)
+ .def(other<amount_t>() < self)
+ .def(long() < self)
+ .def(othermoment_t() < self)
+ .def(double() < self)
+
+ .def(self <= self)
+ .def(self <= other<string>())
+ .def(self <= other<balance_pair_t>())
+ .def(self <= other<balance_t>())
+ .def(self <= other<amount_t>())
+ .def(self <= long())
+ .def(self <= othermoment_t())
+ .def(self <= double())
+
+ .def(other<string>() <= self)
+ .def(other<balance_pair_t>() <= self)
+ .def(other<balance_t>() <= self)
+ .def(other<amount_t>() <= self)
+ .def(long() <= self)
+ .def(othermoment_t() <= self)
+ .def(double() <= self)
+
+ .def(self > self)
+ .def(self > other<string>())
+ .def(self > other<balance_pair_t>())
+ .def(self > other<balance_t>())
+ .def(self > other<amount_t>())
+ .def(self > long())
+ .def(self > othermoment_t())
+ .def(self > double())
+
+ .def(other<string>() > self)
+ .def(other<balance_pair_t>() > self)
+ .def(other<balance_t>() > self)
+ .def(other<amount_t>() > self)
+ .def(long() > self)
+ .def(othermoment_t() > self)
+ .def(double() > self)
+
+ .def(self >= self)
+ .def(self >= other<string>())
+ .def(self >= other<balance_pair_t>())
+ .def(self >= other<balance_t>())
+ .def(self >= other<amount_t>())
+ .def(self >= long())
+ .def(self >= othermoment_t())
+ .def(self >= double())
+
+ .def(other<string>() >= self)
+ .def(other<balance_pair_t>() >= self)
+ .def(other<balance_t>() >= self)
+ .def(other<amount_t>() >= self)
+ .def(long() >= self)
+ .def(othermoment_t() >= self)
+ .def(double() >= self)
+
+ .def(self == self)
+ .def(self == other<string>())
+ .def(self == other<balance_pair_t>())
+ .def(self == other<balance_t>())
+ .def(self == other<amount_t>())
+ .def(self == long())
+ .def(self == othermoment_t())
+ .def(self == double())
+
+ .def(other<string>() == self)
+ .def(other<balance_pair_t>() == self)
+ .def(other<balance_t>() == self)
+ .def(other<amount_t>() == self)
+ .def(long() == self)
+ .def(othermoment_t() == self)
+ .def(double() == self)
+
+ .def(self != self)
+ .def(self != other<string>())
+ .def(self != other<balance_pair_t>())
+ .def(self != other<balance_t>())
+ .def(self != other<amount_t>())
+ .def(self != long())
+ .def(self != othermoment_t())
+ .def(self != double())
+
+ .def(other<string>() != self)
+ .def(other<balance_pair_t>() != self)
+ .def(other<balance_t>() != self)
+ .def(other<amount_t>() != self)
+ .def(long() != self)
+ .def(othermoment_t() != self)
+ .def(double() != self)
+
+ .def(! self)
+
+ .def(self_ns::int_(self))
+ .def(self_ns::float_(self))
+ .def(self_ns::str(self))
+
+ .def_readonly("type", &value_t::type)
+
+ .def("__abs__", &value_t::abs)
+ .def("__len__", value_len)
+ .def("__getitem__", value_getitem)
+
+ .def("cast", &value_t::cast)
+ .def("cost", &value_t::cost)
+ .def("price", &value_t::price)
+ .def("date", &value_t::date)
+ .def("strip_annotations", &value_t::strip_annotations)
+ .def("add", &value_t::add, return_internal_reference<>())
+ .def("value", &value_t::value)
+ .def("round", &value_t::round)
+ .def("negate", &value_t::negate)
+ .def("write", &value_t::write)
+ ;
+
+ enum_< value_t::type_t > ("ValueType")
+ .value("Boolean", value_t::BOOLEAN)
+ .value("Integer", value_t::INTEGER)
+ .value("DateTime", value_t::DATETIME)
+ .value("Amount", value_t::AMOUNT)
+ .value("Balance", value_t::BALANCE)
+ .value("BalancePair", value_t::BALANCE_PAIR)
+ .value("String", value_t::STRING)
+ .value("XmlNode", value_t::XML_NODE)
+ .value("Pointer", value_t::POINTER)
+ .value("Sequence", value_t::SEQUENCE)
+ ;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-10 15:40:09 +0000