321 lines
9.1 KiB
C++
321 lines
9.1 KiB
C++
/*
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* Copyright (c) 2003-2009, John Wiegley. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of New Artisans LLC nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "pyinterp.h"
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#include "pyutils.h"
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#include "value.h"
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#include <boost/python/exception_translator.hpp>
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#include <boost/python/implicit.hpp>
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#include <boost/python/args.hpp>
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namespace ledger {
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using namespace boost::python;
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boost::optional<value_t> py_value_0(const value_t& amount) {
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return amount.value();
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}
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boost::optional<value_t> py_value_1(const value_t& amount,
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const boost::optional<datetime_t>& moment) {
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return amount.value(moment);
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}
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boost::optional<value_t> py_value_2(const value_t& amount,
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const boost::optional<datetime_t>& moment,
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const boost::optional<commodity_t&>& in_terms_of) {
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return amount.value(moment, in_terms_of);
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}
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void py_set_string(value_t& amount, const string& str) {
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return amount.set_string(str);
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}
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void py_read_1(value_t& amount, object in) {
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if (PyFile_Check(in.ptr())) {
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pyifstream instr(reinterpret_cast<PyFileObject *>(in.ptr()));
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amount.read(instr);
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} else {
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PyErr_SetString(PyExc_IOError,
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"Argument to amount.parse(file) is not a file object");
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}
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}
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void py_read_2(value_t& amount, const std::string& str) {
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const char * p = str.c_str();
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amount.read(p);
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}
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#define EXC_TRANSLATOR(type) \
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void exc_translate_ ## type(const type& err) { \
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PyErr_SetString(PyExc_ArithmeticError, err.what()); \
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}
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EXC_TRANSLATOR(value_error)
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void export_value()
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{
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class_< value_t > ("Value")
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#if 0
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.def("initialize", &value_t::initialize)
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.staticmethod("initialize")
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.def("shutdown", &value_t::shutdown)
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.staticmethod("shutdown")
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#endif
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.def(init<double>())
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.def(init<long>())
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.def(init<std::string>())
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.def(init<date_t>())
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.def(init<datetime_t>())
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.def(init<amount_t>())
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#if 0
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.def(init<balance_t>())
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.def(init<balance_pair_t>())
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#endif
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.def(init<value_t>())
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.def("is_equal_to", &value_t::is_equal_to)
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.def("is_less_than", &value_t::is_less_than)
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.def("is_greater_than", &value_t::is_greater_than)
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.def(self == self)
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.def(self == long())
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.def(long() == self)
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.def(self == double())
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.def(double() == self)
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.def(self != self)
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.def(self != long())
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.def(long() != self)
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.def(self != double())
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.def(double() != self)
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.def(! self)
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.def(self < self)
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.def(self < long())
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.def(long() < self)
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.def(self < double())
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.def(double() < self)
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.def(self <= self)
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.def(self <= long())
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.def(long() <= self)
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.def(self <= double())
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.def(double() <= self)
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.def(self > self)
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.def(self > long())
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.def(long() > self)
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.def(self > double())
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.def(double() > self)
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.def(self >= self)
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.def(self >= long())
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.def(long() >= self)
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.def(self >= double())
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.def(double() >= self)
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.def(self += self)
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.def(self += long())
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.def(self += double())
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.def(self + self)
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.def(self + long())
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.def(long() + self)
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.def(self + double())
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.def(double() + self)
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.def(self -= self)
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.def(self -= long())
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.def(self -= double())
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.def(self - self)
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.def(self - long())
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.def(long() - self)
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.def(self - double())
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.def(double() - self)
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.def(self *= self)
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.def(self *= long())
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.def(self *= double())
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.def(self * self)
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.def(self * long())
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.def(long() * self)
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.def(self * double())
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.def(double() * self)
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.def(self /= self)
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.def(self /= long())
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.def(self /= double())
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.def(self / self)
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.def(self / long())
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.def(long() / self)
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.def(self / double())
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.def(double() / self)
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.def("add", &value_t::add,
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return_value_policy<reference_existing_object>())
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.def("negate", &value_t::negate)
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.def("in_place_negate", &value_t::in_place_negate)
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.def("in_place_not", &value_t::in_place_not)
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.def(- self)
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.def("abs", &value_t::abs)
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.def("__abs__", &value_t::abs)
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.def("rounded", &value_t::rounded)
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.def("unrounded", &value_t::unrounded)
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.def("reduce", &value_t::reduce)
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.def("in_place_reduce", &value_t::in_place_reduce)
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.def("value", py_value_0)
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.def("value", py_value_1)
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.def("value", py_value_2)
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.def("cost", &value_t::cost)
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.def("__nonzero__", &value_t::is_nonzero)
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.def("is_nonzero", &value_t::is_nonzero)
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.def("is_realzero", &value_t::is_realzero)
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.def("is_zero", &value_t::is_zero)
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.def("is_null", &value_t::is_null)
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.def("type", &value_t::type)
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.def("is_type", &value_t::is_type)
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.def("is_boolean", &value_t::is_boolean)
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.def("set_boolean", &value_t::set_boolean)
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.def("is_boolean", &value_t::is_boolean)
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.def("set_boolean", &value_t::set_boolean)
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.def("is_datetime", &value_t::is_datetime)
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.def("set_datetime", &value_t::set_datetime)
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.def("is_date", &value_t::is_date)
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.def("set_date", &value_t::set_date)
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.def("is_long", &value_t::is_long)
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.def("set_long", &value_t::set_long)
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.def("is_amount", &value_t::is_amount)
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.def("set_amount", &value_t::set_amount)
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.def("is_balance", &value_t::is_balance)
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.def("set_balance", &value_t::set_balance)
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.def("is_balance_pair", &value_t::is_balance_pair)
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.def("set_balance_pair", &value_t::set_balance_pair)
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.def("is_string", &value_t::is_string)
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.def("set_string", py_set_string)
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.def("is_sequence", &value_t::is_sequence)
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.def("set_sequence", &value_t::set_sequence)
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.def("to_boolean", &value_t::to_boolean)
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.def("to_long", &value_t::to_long)
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.def("to_datetime", &value_t::to_datetime)
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.def("to_date", &value_t::to_date)
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.def("to_amount", &value_t::to_amount)
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.def("to_balance", &value_t::to_balance)
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.def("to_balance_pair", &value_t::to_balance_pair)
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.def("to_string", &value_t::to_string)
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.def("to_sequence", &value_t::to_sequence)
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.def("cast", &value_t::cast)
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.def("in_place_cast", &value_t::in_place_cast)
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.def("simplify", &value_t::simplify)
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.def("in_place_simplify", &value_t::in_place_simplify)
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.def("strip_annotations", &value_t::strip_annotations)
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// jww (2009-01-28): Allow for transparent exchanging with sequence
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// protocol objects in Python too; and conversion to a list.
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#if 0
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.def("__getitem__", &value_t::operator[])
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#endif
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.def("push_back", &value_t::push_back)
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.def("pop_back", &value_t::pop_back)
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.def("size", &value_t::size)
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.def("label", &value_t::label)
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.def("dump", &value_t::dump)
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.def("print", &value_t::print)
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.def("read", py_read_1)
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.def("read", py_read_2)
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.def("write", &value_t::write)
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.def("valid", &value_t::valid)
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;
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enum_< value_t::type_t >("ValueType")
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.value("VOID", value_t::VOID)
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.value("BOOLEAN", value_t::BOOLEAN)
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.value("DATETIME", value_t::DATETIME)
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.value("DATE", value_t::DATE)
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.value("INTEGER", value_t::INTEGER)
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.value("AMOUNT", value_t::AMOUNT)
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.value("BALANCE", value_t::BALANCE)
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.value("BALANCE_PAIR", value_t::BALANCE_PAIR)
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.value("STRING", value_t::STRING)
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.value("SEQUENCE", value_t::SEQUENCE)
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.value("POINTER", value_t::POINTER)
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;
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scope().attr("NULL_VALUE") = NULL_VALUE;
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scope().attr("string_value") = &string_value;
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scope().attr("value_context") = &value_context;
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register_optional_to_python<value_t>();
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implicitly_convertible<double, value_t>();
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implicitly_convertible<long, value_t>();
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implicitly_convertible<string, value_t>();
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implicitly_convertible<date_t, value_t>();
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implicitly_convertible<datetime_t, value_t>();
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implicitly_convertible<amount_t, value_t>();
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#define EXC_TRANSLATE(type) \
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register_exception_translator<type>(&exc_translate_ ## type);
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EXC_TRANSLATE(value_error);
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}
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} // namespace ledger
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