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#include "constraint.h"
#include "expr.h"
#include <pcre.h>
namespace ledger {
constraints_t::~constraints_t()
{
if (predicate) delete predicate;
if (sort_order) delete sort_order;
}
mask_t::mask_t(const std::string& pat) : exclude(false)
{
const char * p = pat.c_str();
if (*p == '-') {
exclude = true;
p++;
while (std::isspace(*p))
p++;
}
else if (*p == '+') {
p++;
while (std::isspace(*p))
p++;
}
pattern = p;
const char *error;
int erroffset;
regexp = pcre_compile(pattern.c_str(), PCRE_CASELESS,
&error, &erroffset, NULL);
if (! regexp)
std::cerr << "Warning: Failed to compile regexp: " << pattern
<< std::endl;
}
mask_t::mask_t(const mask_t& m) : exclude(m.exclude), pattern(m.pattern)
{
const char *error;
int erroffset;
regexp = pcre_compile(pattern.c_str(), PCRE_CASELESS,
&error, &erroffset, NULL);
assert(regexp);
}
bool mask_t::match(const std::string& str) const
{
static int ovec[30];
int result = pcre_exec((pcre *)regexp, NULL,
str.c_str(), str.length(), 0, 0, ovec, 30);
return result >= 0 && ! exclude;
}
mask_t::~mask_t() {
pcre_free((pcre *)regexp);
}
bool matches(const masks_list& regexps, const std::string& str,
bool * by_exclusion)
{
if (regexps.empty())
return false;
bool match = false;
bool definite = false;
for (masks_list::const_iterator r = regexps.begin();
r != regexps.end();
r++) {
static int ovec[30];
int result = pcre_exec((pcre *)(*r).regexp, NULL,
str.c_str(), str.length(), 0, 0, ovec, 30);
if (result >= 0) {
match = ! (*r).exclude;
definite = true;
}
else if ((*r).exclude) {
if (! match)
match = ! definite;
}
else {
definite = true;
}
}
if (by_exclusion)
*by_exclusion = match && ! definite && by_exclusion;
return match;
}
bool constraints_t::matches_date_range(const std::time_t date) const
{
if (have_beginning && difftime(date, begin_date) < 0)
return false;
if (have_ending && difftime(date, end_date) >= 0)
return false;
if (have_date_mask) {
struct std::tm * then = std::gmtime(&date);
if (date_mask.tm_mon != -1 &&
date_mask.tm_mon != then->tm_mon)
return false;
if (date_mask.tm_mday != -1 &&
date_mask.tm_mday != then->tm_mday)
return false;
#if 0
// jww (2003-10-10): This causes only certain days of the week to
// print, even when it was not included in the mask.
if (date_mask.tm_wday != -1 &&
date_mask.tm_wday != then->tm_wday)
return false;
#endif
if (date_mask.tm_year != -1 &&
date_mask.tm_year != then->tm_year)
return false;
}
return true;
}
bool constraints_t::operator ()(const transaction_t * xact) const
{
if ((cleared_only && xact->entry->state != entry_t::CLEARED) ||
(uncleared_only && xact->entry->state == entry_t::CLEARED) ||
! matches_date_range(xact->entry->date))
return false;
if (! payee_masks.empty() &&
(! (matches(payee_masks, xact->entry->payee)
//|| matches(payee_masks, xact->entry->code))
)))
return false;
if (real_only && xact->flags & TRANSACTION_VIRTUAL)
return false;
if (! account_masks.empty() &&
! (matches(account_masks, std::string(*(xact->account)))
//|| matches(account_masks, (*i)->note)
))
return false;
return true;
}
bool constraints_t::operator ()(const entry_t * entry) const
{
if ((cleared_only && entry->state != entry_t::CLEARED) ||
(uncleared_only && entry->state == entry_t::CLEARED) ||
! matches_date_range(entry->date))
return false;
if (! payee_masks.empty() &&
(! (matches(payee_masks, entry->payee)
//|| matches(payee_masks, entry->code)
)))
return false;
if (! account_masks.empty()) {
bool match = false;
for (transactions_list::const_iterator i = entry->transactions.begin();
i != entry->transactions.end();
i++) {
if (real_only && (*i)->flags & TRANSACTION_VIRTUAL)
continue;
if (matches(account_masks, std::string(*((*i)->account)))
//|| matches(account_masks, (*i)->note)
) {
match = true;
break;
}
}
if (! match)
return false;
}
return true;
}
bool constraints_t::operator ()(const item_t * item) const
{
if (predicate && ! predicate->compute(item, begin(), end()))
return false;
if (! matches_date_range(item->date))
return false;
if (! payee_masks.empty() && ! matches(payee_masks, item->payee))
return false;
#if 0
// jww (2004-07-26): It shouldn't be necessary to check against the
// account here, since this is always done during initial compiling
// of the item_t tree.
if (! account_masks.empty()) {
bool match = false;
for (amounts_map::const_iterator i = item->value.quantity.amounts.begin();
i != item->value.quantity.amounts.end();
i++) {
if (matches(account_masks, std::string(*((*i)->account)))
//|| matches(account_masks, (*i)->note)
) {
match = true;
break;
}
}
if (! match)
return false;
}
#endif
return true;
}
} // namespace ledger
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