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#include "balance.h"
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;
}
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;
for (amounts_map::const_iterator i = amounts.begin();
i != amounts.end();
i++) {
if ((*i).second) {
int width;
if (! first) {
out << std::endl;
width = lwidth;
} else {
first = false;
width = first_width;
}
out.width(width);
out.fill(' ');
out << std::right << std::string((*i).second);
}
}
if (first) {
out.width(first_width);
out.fill(' ');
out << std::right << "0";
}
}
balance_pair_t::balance_pair_t(const transaction_t& xact)
: quantity(xact.amount), cost(xact.cost) {}
balance_pair_t& balance_pair_t::operator+=(const transaction_t& xact)
{
quantity += xact.amount;
cost += xact.cost;
return *this;
}
balance_pair_t& balance_pair_t::operator-=(const transaction_t& xact)
{
quantity -= xact.amount;
cost -= xact.cost;
return *this;
}
} // namespace ledger
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