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<?php
class OPTIONS {
var $props; // const, modification is not allowed
var $options;
function __construct(&$req = NULL, &$override = NULL) {
global $OPTIONS;
if ($req instanceof REQUEST) $props = &$req->props;
else $props = &$req;
$this->props = &$props;
$this->options = array();
if ($override) $this->options[] = &$override;
if (($req)&&(isset($props['db_server']))) {
$src = array($props['db_server']);
if (isset($props['db_name'])) {
$src[] = $props['db_name'];
if (isset($props['db_group'])) {
$src[] = $props['db_group'];
}
}
if (!($req instanceof SERVERRequest))
$req = new SERVERRequest($props);
$server = $req->GetServerInfo(REQUEST::NEED_INFO);
if (is_string($server['multibase'])) $multibase = $server['multibase'];
else if ($server['multibase']) $multibase = ".*";
else $multibase = false;
$opts = array(array(), array(), array());
foreach (array_keys($OPTIONS) as $regex) {
$src_regex = explode("__", $regex, 3);
// Handle multibase sources automatically
if (($multibase)&&(sizeof($src_regex) > 1)) {
$src_regex[1] .= $multibase;
}
// option is two specific for current request
if (sizeof($src_regex) > sizeof($src)) continue;
// check if all parts of regex match
for ($i = 0; $i < sizeof($src_regex); $i++) {
//echo "checking $i (of ".sizeof($src_regex)."): {$src_regex[$i]}\n";
if (!preg_match("/^{$src_regex[$i]}$/", $src[$i])) break;
}
if ($i < sizeof($src_regex)) continue;
// update options, the later defined options override earlier defined ones
$pos = sizeof($src_regex) - 1;
$opts[$pos] = array_merge($opts[$pos], $OPTIONS[$regex]);
}
// Putting in reverse order to give proper priorities
for ($i = 0; $i < 3; $i++) {
if ($opts[2 - $i]) $this->options[] = &$opts[2 - $i];
}
}
if (isset($OPTIONS['default'])) $this->options[] = &$OPTIONS['default'];
}
function Get($prop, $default=NULL) {
foreach ($this->options as &$opts) {
if (isset($opts[$prop])) return $opts[$prop];
}
return $default;
}
function GetDateLimit($default_from = false, $default_to = false) {
$date_limit = $this->Get('date_limit');
if ($date_limit) {
if (is_array($date_limit)) {
if (is_int($date_limit[0])) $start_date = $date_limit[0];
else $start_date = ADEI::ParseDate($date_limit[0]);
if (is_int($date_limit[1])) $end_date = $date_limit[1];
else $end_date = ADEI::ParseDate($date_limit[1]);
} else {
if (is_int($date_limit)) $start_date = $date_limit;
else $start_date = ADEI::ParseDate($date_limit);
$end_date = $default_to;
}
} else {
if (is_string($default_from))
$start_date = ADEI::ParseDate($default_from);
else
$start_date = $default_from;
$end_date = $default_to;
}
return array($start_date, $end_date);
}
static function GetSpecific($prop, $default=NULL, $db_server = false, $db_name = false, $db_group = false) {
global $OPTIONS;
if ($db_server !== false) {
$path = $db_server;
if ($db_name !== false) {
$path .= "__$db_name";
if ($db_group !== false) {
$path .= "__$db_group";
}
}
} else {
$path = "default";
}
if (isset($OPTIONS[$path][$prop])) return $OPTIONS[$path][$prop];
return $default;
}
function ListConfiguredDatabases() {
global $OPTIONS;
if ((!$this->props)||(!isset($this->props['db_server']))) {
throw new ADEIException(translate("The server should be specified in order to list configured databases"));
}
$list = array();
$name = $this->props['db_server'] . "__";
$namelen = strlen($name);
foreach (array_keys($OPTIONS) as $regex) {
if (!strncmp($regex, $name, $namelen)) {
array_push($list, substr($regex, $namelen));
}
}
return array_unique($list);
}
function ListConfiguredGroups() {
global $OPTIONS;
if ((!$this->props)||(!isset($this->props['db_server']))||(!isset($this->props['db_server']))) {
throw new ADEIException(translate("The server and database should be specified in order to list configured groups"));
}
$list = array();
$name = $this->props['db_server'] . "__" . $this->props['db_name'] . "__";
$namelen = strlen($name);
foreach (array_keys($OPTIONS) as $regex) {
if (!strncmp($regex, $name, $namelen)) {
$dbgr = substr($regex, $namelen);
list($db) = preg_split("/__/", $dbgr, 2);
array_push($list, $db);
}
}
return $list;
}
}
?>
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