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/*
* Copyright (c) 2003-2009, John Wiegley. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of New Artisans LLC nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "balpair.h"
namespace ledger {
optional<balance_pair_t>
balance_pair_t::value(const optional<datetime_t>& moment,
const optional<commodity_t&>& in_terms_of) const
{
optional<balance_t> temp = quantity().value(moment, in_terms_of);
optional<balance_t> cost_temp;
if (cost)
cost_temp = cost->value(moment, in_terms_of);
if (temp) {
if (cost_temp)
return balance_pair_t(*temp, *cost_temp);
else if (cost)
return balance_pair_t(*temp, *cost);
else
return balance_pair_t(*temp);
}
return none;
}
void balance_pair_t::write_xml(std::ostream& out, const int depth) const
{
out << xml_str("<balance-pair>\n", depth);
quantity().write_xml(out, depth + 1);
if (cost)
cost->write_xml(out, depth + 1);
out << xml_str("</balance-pair>\n", depth);
}
} // namespace ledger
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