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#include "derive.h"
#include "datetime.h"
#include "error.h"
#include "mask.h"
#include "walk.h"
#include <memory>
namespace ledger {
entry_t * derive_new_entry(journal_t& journal,
strings_list::iterator i,
strings_list::iterator end)
{
std::auto_ptr<entry_t> added(new entry_t);
entry_t * matching = NULL;
added->_date = *i++;
if (i == end)
throw new error("Too few arguments to 'entry'");
mask_t regexp(*i++);
entries_list::reverse_iterator j;
for (j = journal.entries.rbegin();
j != journal.entries.rend();
j++)
if (regexp.match((*j)->payee)) {
matching = *j;
break;
}
added->payee = matching ? matching->payee : regexp.pattern;
if (! matching) {
account_t * acct;
if (i == end || ((*i)[0] == '-' || std::isdigit((*i)[0]))) {
acct = journal.find_account("Expenses");
}
else if (i != end) {
acct = journal.find_account_re(*i);
if (! acct)
acct = journal.find_account(*i);
assert(acct);
i++;
}
if (i == end) {
added->add_transaction(new transaction_t(acct));
} else {
transaction_t * xact = new transaction_t(acct, amount_t(*i++));
added->add_transaction(xact);
if (! xact->amount.commodity()) {
// If the amount has no commodity, we can determine it given
// the account by creating a final for the account and then
// checking if it contains only a single commodity. An
// account to which only dollars are applied would imply that
// dollars are wanted now too.
std::auto_ptr<item_handler<transaction_t> > formatter;
formatter.reset(new set_account_value);
walk_entries(journal.entries, *formatter.get());
formatter->flush();
sum_accounts(*journal.master);
value_t total = account_xdata(*acct).total;
if (total.type == value_t::AMOUNT)
xact->amount.set_commodity(((amount_t *) total.data)->commodity());
}
}
acct = NULL;
if (i != end) {
if (! acct)
acct = journal.find_account_re(*i);
if (! acct)
acct = journal.find_account(*i);
}
if (! acct) {
if (journal.basket)
acct = journal.basket;
else
acct = journal.find_account("Equity");
}
added->add_transaction(new transaction_t(acct));
}
else if (i == end) {
// If no argument were given but the payee, assume the user wants
// to see the same transaction as last time.
added->code = matching->code;
for (transactions_list::iterator k = matching->transactions.begin();
k != matching->transactions.end();
k++)
added->add_transaction(new transaction_t(**k));
}
else if ((*i)[0] == '-' || std::isdigit((*i)[0])) {
transaction_t * m_xact, * xact, * first;
m_xact = matching->transactions.front();
first = xact = new transaction_t(m_xact->account, amount_t(*i++));
added->add_transaction(xact);
if (! xact->amount.commodity())
xact->amount.set_commodity(m_xact->amount.commodity());
m_xact = matching->transactions.back();
xact = new transaction_t(m_xact->account, - first->amount);
added->add_transaction(xact);
if (i != end) {
account_t * acct = journal.find_account_re(*i);
if (! acct)
acct = journal.find_account(*i);
assert(acct);
added->transactions.back()->account = acct;
}
}
else {
account_t * draw_acct = NULL;
while (i != end) {
std::string& re_pat(*i++);
account_t * acct = NULL;
amount_t * amt = NULL;
mask_t acct_regex(re_pat);
for (; j != journal.entries.rend(); j++)
if (regexp.match((*j)->payee)) {
entry_t * entry = *j;
for (transactions_list::const_iterator x =
entry->transactions.begin();
x != entry->transactions.end();
x++)
if (acct_regex.match((*x)->account->fullname())) {
acct = (*x)->account;
amt = &(*x)->amount;
matching = entry;
goto found;
}
}
found:
transaction_t * xact;
if (i == end) {
if (amt)
xact = new transaction_t(acct, *amt);
else
xact = new transaction_t(acct);
} else {
amount_t amount(*i++);
strings_list::iterator x = i;
if (i != end && ++x == end) {
draw_acct = journal.find_account_re(*i);
if (! draw_acct)
draw_acct = journal.find_account(*i);
i++;
}
if (! acct)
acct = journal.find_account_re(re_pat);
if (! acct)
acct = journal.find_account(re_pat);
xact = new transaction_t(acct, amount);
if (! xact->amount.commodity()) {
if (amt)
xact->amount.set_commodity(amt->commodity());
else if (commodity_t::default_commodity)
xact->amount.set_commodity(*commodity_t::default_commodity);
}
}
added->add_transaction(xact);
}
if (! draw_acct) {
assert(matching->transactions.back()->account);
draw_acct = matching->transactions.back()->account;
}
if (draw_acct)
added->add_transaction(new transaction_t(draw_acct));
}
done:
if (! run_hooks(journal.entry_finalize_hooks, *added, false) ||
! added->finalize() ||
! run_hooks(journal.entry_finalize_hooks, *added, true))
throw new error("Failed to finalize derived entry (check commodities)");
return added.release();
}
} // namespace ledger
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