ledger/main.cc
2003-10-02 05:04:38 +00:00

346 lines
8.7 KiB
C++

#include "ledger.h"
#include <fstream>
namespace ledger {
extern bool parse_ledger(std::istream& in, bool compute_balances);
#ifdef READ_GNUCASH
extern bool parse_gnucash(std::istream& in, bool compute_balances);
#endif
extern void report_balances(int argc, char ** argv, regexps_t& regexps,
std::ostream& out);
extern void print_register(int argc, char ** argv, regexps_t& regexps,
std::ostream& out);
extern void print_ledger(int argc, char ** argv, regexps_t& regexps,
std::ostream& out);
extern void equity_ledger(int argc, char ** argv, regexps_t& regexps,
std::ostream& out);
bool show_cleared;
bool get_quotes;
std::time_t begin_date;
bool have_beginning;
std::time_t end_date;
bool have_ending;
}
using namespace ledger;
static void show_help(std::ostream& out)
{
std::cerr
<< "usage: ledger [options] COMMAND [options] [REGEXPS]" << std::endl
<< std::endl
<< "ledger options:" << std::endl
<< " -C also show cleared transactions" << std::endl
<< " -d DATE specify an implicit date range (e.g., -d april)"
<< std::endl
<< " -b DATE specify a beginning date" << std::endl
<< " -e DATE specify an ending date" << std::endl
<< " -c do not show future entries (same as -e TODAY)" << std::endl
<< " -f FILE specify pathname of ledger data file" << std::endl
<< " -h display this help text" << std::endl
#ifdef HUQUQULLAH
<< " -H do not auto-compute Huququ'llah" << std::endl
#endif
<< " -i FILE read the list of inclusion regexps from FILE" << std::endl
<< " -p FILE read the list of prices from FILE" << std::endl
<< " -P download price quotes from the Internet" << std::endl
<< " (works by running the command \"getquote SYMBOL\")"
<< std::endl
<< " -v display version information" << std::endl
<< " -w print out warnings where applicable" << std::endl
<< std::endl
<< "commands:" << std::endl
<< " balance show balance totals" << std::endl
<< " register display a register for ACCOUNT" << std::endl
<< " print print all ledger entries" << std::endl
<< " equity generate equity ledger for all entries" << std::endl
<< std::endl
<< "`balance' options:" << std::endl
<< " -F print each account's full name" << std::endl
<< " -n do not generate totals for parent accounts" << std::endl
<< " -s show sub-accounts in balance totals" << std::endl
<< " -S show empty accounts in balance totals" << std::endl;
}
static const char *formats[] = {
"%Y/%m/%d",
"%m/%d",
"%Y.%m.%d",
"%m.%d",
"%a",
"%A",
"%b",
"%B",
"%Y",
NULL
};
static bool parse_date(const std::string& date_str, std::time_t * result)
{
struct std::tm when;
std::time_t now = std::time(NULL);
struct std::tm * now_tm = std::localtime(&now);
for (const char ** f = formats; *f; f++) {
memset(&when, INT_MAX, sizeof(struct std::tm));
if (strptime(date_str.c_str(), *f, &when)) {
when.tm_hour = 0;
when.tm_min = 0;
when.tm_sec = 0;
if (when.tm_year == -1)
when.tm_year = now_tm->tm_year;
if (std::strcmp(*f, "%Y") == 0) {
when.tm_mon = 0;
when.tm_mday = 1;
} else {
if (when.tm_mon == -1)
when.tm_mon = now_tm->tm_mon;
if (when.tm_mday == -1)
when.tm_mday = now_tm->tm_mday;
}
*result = std::mktime(&when);
return true;
}
}
return false;
}
//////////////////////////////////////////////////////////////////////
//
// Command-line parser and top-level logic.
//
int main(int argc, char * argv[])
{
std::istream * file = NULL;
regexps_t regexps;
#ifdef HUQUQULLAH
bool compute_huquq = true;
#endif
have_beginning = false;
have_ending = false;
show_cleared = false;
// Parse the command-line options
int c;
while (-1 != (c = getopt(argc, argv, "+b:e:d:cChHwf:i:p:Pv"))) {
switch (char(c)) {
case 'b':
case 'e': {
std::time_t when;
if (! parse_date(optarg, &when)) {
std::cerr << "Error: Bad date string: " << optarg << std::endl;
return 1;
}
if (c == 'b') {
begin_date = when;
have_beginning = true;
} else {
end_date = when;
have_ending = true;
}
break;
}
case 'd': {
if (! parse_date(optarg, &begin_date)) {
std::cerr << "Error: Bad date string: " << optarg << std::endl;
return 1;
}
have_beginning = true;
struct std::tm when, then;
std::memset(&then, 0, sizeof(struct std::tm));
std::time_t now = std::time(NULL);
struct std::tm * now_tm = std::localtime(&now);
for (const char ** f = formats; *f; f++) {
memset(&when, INT_MAX, sizeof(struct std::tm));
if (strptime(optarg, *f, &when)) {
then.tm_hour = 0;
then.tm_min = 0;
then.tm_sec = 0;
if (when.tm_year != -1)
then.tm_year = when.tm_year + 1;
else
then.tm_year = now_tm->tm_year;
if (std::strcmp(*f, "%Y") == 0) {
then.tm_mon = 0;
then.tm_mday = 1;
} else {
if (when.tm_mon != -1)
then.tm_mon = when.tm_mon + 1;
else
then.tm_mon = now_tm->tm_mon;
if (when.tm_mday != -1)
then.tm_mday = when.tm_mday + 1;
else
then.tm_mday = now_tm->tm_mday;
}
end_date = std::mktime(&then);
have_ending = true;
break;
}
}
break;
}
case 'c':
end_date = std::time(NULL);
have_ending = true;
break;
case 'C': show_cleared = true; break;
case 'h': show_help(std::cout); break;
#ifdef HUQUQULLAH
case 'H': compute_huquq = false; break;
#endif
case 'w': use_warnings = true; break;
case 'f': file = new std::ifstream(optarg); break;
// -i path-to-file-of-regexps
case 'i':
read_regexps(optarg, regexps);
break;
// -p "COMMODITY=PRICE"
// -p path-to-price-database
case 'p':
if (access(optarg, R_OK) != -1) {
std::ifstream pricedb(optarg);
while (! pricedb.eof()) {
char buf[80];
pricedb.getline(buf, 79);
if (*buf && ! std::isspace(*buf))
main_ledger.record_price(buf);
}
} else {
main_ledger.record_price(optarg);
}
break;
case 'P':
get_quotes = true;
break;
case 'v':
std::cout
<< "Ledger Accouting Tool 1.0" << std::endl
<< " Copyright (c) 2003 John Wiegley <johnw@newartisans.com>"
<< std::endl << std::endl
<< "This program is made available under the terms of the BSD"
<< std::endl
<< "Public License. See the LICENSE file included with the"
<< std::endl
<< "distribution for details and disclaimer." << std::endl;
return 0;
}
}
if (optind == argc) {
show_help(std::cout);
return 1;
}
if (use_warnings && (have_beginning || have_ending)) {
std::cout << "Reporting";
if (have_beginning) {
char buf[32];
std::strftime(buf, 31, "%Y.%m.%d", std::localtime(&begin_date));
std::cout << " from " << buf;
}
if (have_ending) {
char buf[32];
std::strftime(buf, 31, "%Y.%m.%d", std::localtime(&end_date));
std::cout << " until " << buf;
}
std::cout << std::endl;
}
// A ledger data file must be specified
if (! file) {
const char * p = std::getenv("LEDGER");
if (p)
file = new std::ifstream(p);
if (! file || ! *file) {
std::cerr << "Please specify the ledger file using the -f option."
<< std::endl;
return 1;
}
}
// Read the command word
const std::string command = argv[optind];
// Parse the ledger
#ifdef READ_GNUCASH
char buf[32];
file->get(buf, 31);
file->seekg(0);
if (std::strncmp(buf, "<?xml version=\"1.0\"?>", 21) == 0)
parse_gnucash(*file, command == "equity");
else
#endif
{
#ifdef HUQUQULLAH
if (command == "register" && argv[optind + 1] &&
std::string(argv[optind + 1]) != "Huququ'llah" &&
std::string(argv[optind + 1]) != "Expenses:Huququ'llah")
compute_huquq = false;
if (compute_huquq) {
main_ledger.compute_huquq = true;
read_regexps(".huquq", main_ledger.huquq_categories);
main_ledger.huquq_account = main_ledger.find_account("Huququ'llah");
main_ledger.huquq_expenses_account =
main_ledger.find_account("Expenses:Huququ'llah");
}
#endif
parse_ledger(*file, command == "equity");
}
#ifdef DO_CLEANUP
delete file;
#endif
// Process the command
if (command == "balance")
report_balances(argc - optind, &argv[optind], regexps, std::cout);
else if (command == "register")
print_register(argc - optind, &argv[optind], regexps, std::cout);
else if (command == "print")
print_ledger(argc - optind, &argv[optind], regexps, std::cout);
else if (command == "equity")
equity_ledger(argc - optind, &argv[optind], regexps, std::cout);
}
// main.cc ends here.