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#include "ledger.h"
#include "report.h"
#include "textual.h"
#include "binary.h"
#include <fstream>
#include <deque>
namespace ledger {
const std::string version = "2.0b";
ledger_t::~ledger_t()
{
delete master;
for (commodities_map::iterator i = commodities.begin();
i != commodities.end();
i++)
delete (*i).second;
// Don't bother unhooking each entry's transactions from the
// accounts they refer to, because all accounts are about to
// be deleted.
for (entries_list::iterator i = entries.begin();
i != entries.end();
i++)
delete *i;
}
commodity_t * ledger_t::find_commodity(const std::string& symbol,
bool auto_create)
{
commodities_map::const_iterator i = commodities.find(symbol);
if (i != commodities.end())
return (*i).second;
if (auto_create) {
commodity_t * commodity = new commodity_t(symbol);
add_commodity(commodity);
return commodity;
}
return NULL;
}
bool ledger_t::add_entry(entry_t * entry)
{
entries.push_back(entry);
for (transactions_list::const_iterator i = entry->transactions.begin();
i != entry->transactions.end();
i++) {
(*i)->account->add_transaction(*i);
if ((*i)->amount != (*i)->cost) {
assert((*i)->amount.commodity);
(*i)->amount.commodity->add_price(entry->date, (*i)->cost / (*i)->amount);
}
}
return true;
}
bool ledger_t::remove_entry(entry_t * entry)
{
entries.remove(entry);
for (transactions_list::const_iterator i
= entry->transactions.begin();
i != entry->transactions.end();
i++)
(*i)->account->remove_transaction(*i);
return true;
}
int parse_ledger_file(char * p, ledger_t * book)
{
char * sep = std::strrchr(p, '=');
if (sep) *sep++ = '\0';
std::ifstream stream(p);
account_t * master;
if (sep)
master = book->find_account(sep);
else
master = book->master;
book->sources.push_back(p);
unsigned long magic;
std::istream::pos_type start = stream.tellg();
stream.read((char *)&magic, sizeof(magic));
stream.seekg(start);
if (magic == magic_number)
return read_binary_ledger(stream, "", book, master);
else
return parse_textual_ledger(stream, book, master);
}
} // namespace ledger
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