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#include <fstream>
#include "ledger.h"
#include <pcre.h> // Perl regular expression library
namespace ledger {
extern bool parse_ledger(std::istream& in);
extern bool parse_gnucash(std::istream& in);
extern void report_balances(int argc, char **argv, std::ostream& out);
extern void print_ledger(int argc, char *argv[], std::ostream& out);
}
using namespace ledger;
void show_help(std::ostream& out)
{
out << "usage: ledger [options] DATA_FILE COMMAND [ARGS]"
<< std::endl
<< "options:" << std::endl
<< " -s show sub-accounts in balance totals" << std::endl
<< " -S show empty accounts in balance totals" << std::endl
<< "commands:" << std::endl
<< " balance show balance totals" << std::endl
<< " print print all ledger entries" << std::endl;
}
//////////////////////////////////////////////////////////////////////
//
// Command-line parser and top-level logic.
//
int main(int argc, char *argv[])
{
// Global defaults
commodity * usd = new commodity("$", true, false, true, false, 2);
commodities.insert(commodities_entry("USD", usd));
// Parse the command-line options
std::istream * file = NULL;
int c;
while (-1 != (c = getopt(argc, argv, "+hwf:"))) {
switch (char(c)) {
case 'h': show_help(std::cout); break;
case 'w': use_warnings = true; break;
case 'f': file = new std::ifstream(optarg); break;
}
}
if (optind == argc) {
std::cerr << "usage: ledger [options] COMMAND [options] [ARGS]" << std::endl
<< std::endl
<< "ledger options:" << std::endl
<< " -f FILE specify pathname of ledger data file" << std::endl
<< std::endl
<< "commands:" << std::endl
<< " balance show balance totals" << std::endl
<< " print print all ledger entries" << std::endl
<< std::endl
<< "`balance' command options:" << std::endl
<< " -s show sub-accounts in balance totals" << std::endl
<< " -S show empty accounts in balance totals" << std::endl;
return 1;
}
// The -f option is required
if (! file) {
std::cerr << "Please specify the ledger file using the -f option."
<< std::endl;
return 1;
}
// Parse the ledger
char buf[32];
file->get(buf, 31);
file->seekg(0);
if (std::strncmp(buf, "<?xml version=\"1.0\"?>", 21) == 0)
parse_gnucash(*file);
else
parse_ledger(*file);
delete file;
// Process the command
const std::string command = argv[optind];
if (command == "balance")
report_balances(argc - optind, &argv[optind], std::cout);
else if (command == "print")
print_ledger(argc - optind, &argv[optind], std::cout);
}
// main.cc ends here.
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