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#include "derive.h"
#include "datetime.h"
#include "error.h"
#include "mask.h"
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;
if (! parse_date((*i).c_str(), &added->date))
throw error("Bad date passed to 'entry'");
if (++i == end)
throw error("Too few arguments to 'entry'");
mask_t regexp(*i++);
for (entries_list::reverse_iterator 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 (i == end)
throw error("Too few arguments to 'entry'");
if ((*i)[0] == '-' || std::isdigit((*i)[0])) {
if (! matching)
throw error("Could not determine the account to draw from");
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().symbol.empty())
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);
if (acct)
added->transactions.back()->account = acct;
}
} else {
while (i != end) {
std::string& re_pat(*i++);
account_t * acct = NULL;
commodity_t * cmdty = NULL;
if (matching) {
mask_t acct_regex(re_pat);
for (transactions_list::const_iterator x
= matching->transactions.begin();
x != matching->transactions.end();
x++) {
if (acct_regex.match((*x)->account->fullname())) {
acct = (*x)->account;
cmdty = &(*x)->amount.commodity();
break;
}
}
}
if (! acct)
acct = journal.find_account_re(re_pat);
if (! acct)
acct = journal.find_account(re_pat);
if (i == end) {
added->add_transaction(new transaction_t(acct));
goto done;
}
transaction_t * xact = new transaction_t(acct, amount_t(*i++));
if (cmdty && ! xact->amount.commodity())
xact->amount.set_commodity(*cmdty);
added->add_transaction(xact);
}
if (! matching) {
throw error("Could not determine the account to draw from");
} else {
transaction_t * xact
= new transaction_t(matching->transactions.back()->account);
added->add_transaction(xact);
}
}
done:
if (! added->finalize() ||
! run_hooks(journal.entry_finalize_hooks, *added))
throw error("Failed to finalize derived entry (check commodities)");
return added.release();
}
} // namespace ledger
#ifdef USE_BOOST_PYTHON
#include <boost/python.hpp>
#include <boost/python/detail/api_placeholder.hpp>
using namespace boost::python;
using namespace ledger;
entry_t * py_derive_new_entry(journal_t& journal, list args)
{
strings_list strs;
int l = len(args);
for (int i = 0; i < l; i++)
strs.push_back(extract<std::string>(args[i]));
return derive_new_entry(journal, strs.begin(), strs.end());
}
void export_derive()
{
def("derive_new_entry", py_derive_new_entry,
return_value_policy<manage_new_object>());
}
#endif // USE_BOOST_PYTHON
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