function __construct(READER $rdr, LOGGROUP $grp, DATAFilter $filter, &$opts = NULL)
{
if ($rdr instanceof CACHEReader) {
$this->skip = true;
} else {
$this->skip = false;
$filter_class = $opts['filter'];
if (!(include_once "item/" . strtolower($filter_class) . ".php")) {
if (!isset($opts['filter'])) {
throw new ADEIException(translate("No item filter is configured"));
} else {
throw new ADEIException(translate("Unsupported item filter is configured: \"%s\"", $filter_class));
}
}
$this->filter = new $filter_class($opts);
$mask = $filter->GetItemMask();
if ($mask && !$mask->IsFull()) {
$this->check_masked = true;
} else {
$this->check_masked = false;
}
if (isset($opts['item_mask'])) {
$this->indexes = array();
$key = array();
$re = array();
if (is_array($opts['item_mask'])) {
if (is_array($opts['item_mask'][0])) {
$checks = $opts['item_mask'];
} else {
$checks = array($opts['item_mask']);
}
} else {
$re = $opts['item_mask'];
if ($mask) {
$checks = false;
$i = 0;
foreach ($mask->ids as $id) {
if (preg_match($re, $id)) {
$this->indexes[$i] = $id;
}
$i++;
}
} else {
$checks = array(array("key" => id, "items" => $re));
}
}
if ($checks) {
$items = $rdr->GetItemList($grp, $mask ? $mask : new MASK());
$i = 0;
foreach ($items as &$item) {
$matched = true;
foreach ($checks as $check) {
if (!preg_match($check['items'], $item[$check['key']])) {
$matched = false;
break;
}
}
if ($matched) {
$this->indexes[$i] = $item["id"];
}
$i++;
}
}
} else {
if ($mask && !$mask->IsFull()) {
$this->indexes = $mask->ids;
} else {
$this->indexes = range(0, $rdr->GetGroupSize($grp) - 1);
}
}
}
}
