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#include "ledger.h"
#include <pcre.h> // Perl regular expression library
namespace ledger {
//////////////////////////////////////////////////////////////////////
//
// Balance report.
//
static inline bool matches(const std::list<pcre *>& regexps,
const std::string& str) {
for (std::list<pcre *>::const_iterator r = regexps.begin();
r != regexps.end();
r++) {
int ovec[3];
if (pcre_exec(*r, NULL, str.c_str(), str.length(), 0, 0, ovec, 3) >= 0)
return true;
}
return false;
}
void report_balances(int argc, char *argv[], std::ostream& out)
{
bool show_current = false;
bool show_cleared = false;
bool show_children = false;
bool show_empty = false;
bool no_subtotals = false;
int c;
while (-1 != (c = getopt(argc, argv, "cCsSn"))) {
switch (char(c)) {
case 'c': show_current = true; break;
case 'C': show_cleared = true; break;
case 's': show_children = true; break;
case 'S': show_empty = true; break;
case 'n': no_subtotals = true; break;
}
}
// Compile the list of specified regular expressions, which can be
// specified on the command line, or using an include/exclude file.
std::list<pcre *> regexps;
for (; optind < argc; optind++) {
const char *error;
int erroffset;
pcre * re = pcre_compile(argv[optind], PCRE_CASELESS,
&error, &erroffset, NULL);
if (! re)
std::cerr << "Warning: Failed to compile regexp: " << argv[optind]
<< std::endl;
else
regexps.push_back(re);
}
// Walk through all of the ledger entries, computing the account
// totals
std::map<account *, totals *> balances;
std::time_t now = std::time(NULL);
for (ledger_iterator i = ledger.begin(); i != ledger.end(); i++) {
for (std::list<transaction *>::iterator x = (*i)->xacts.begin();
x != (*i)->xacts.end();
x++) {
account * acct = (*x)->acct;
if (! regexps.empty() && ! matches(regexps, acct->name))
continue;
while (acct) {
totals * balance = NULL;
std::map<account *, totals *>::iterator t = balances.find(acct);
if (t == balances.end()) {
balance = new totals;
balances.insert(std::pair<account *, totals *>(acct, balance));
} else {
balance = (*t).second;
}
if (show_current) {
if (difftime((*i)->date, now) < 0)
balance->credit((*x)->cost);
}
else if (show_cleared) {
if ((*i)->cleared)
balance->credit((*x)->cost);
}
else {
balance->credit((*x)->cost);
}
if (no_subtotals)
acct = NULL;
else
acct = acct->parent;
}
}
}
// Print out the balance report header
std::string which = "Future";
if (show_current)
which = "Current";
else if (show_cleared)
which = "Cleared";
std::cout.width(10);
std::cout << std::right << which << std::endl;
// Walk through the accounts, given the balance report for each
totals total_balance;
for (accounts_iterator i = accounts.begin(); i != accounts.end(); i++) {
account * acct = (*i).second;
if (! regexps.empty() && ! matches(regexps, acct->name))
continue;
int depth = 0;
for (account * a = acct; a; a = a->parent)
depth++;
if (! show_children && depth)
continue;
totals * balance = balances[acct];
if (! show_empty && ! *balance)
continue;
std::cout.width(10);
std::cout << *balance << " ";
total_balance.credit(*balance);
if (depth) {
while (--depth >= 0)
std::cout << " ";
std::cout << acct->name << std::endl;
} else {
std::cout << *acct << std::endl;
}
}
// Print the total of all the balances shown
std::cout.width(10);
std::cout << std::right << total_balance << std::endl;
// Free up temporary variables created on the heap
for (std::map<account *, totals *>::iterator i = balances.begin();
i != balances.end();
i++) {
delete (*i).second;
}
}
} // namespace ledger
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