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<?
require($ADEI_ROOTDIR . "/classes/searchengine.php");
class SEARCH {
var $engines;
var $modules;
function __construct(REQUEST $req) {
global $SEARCH_ENGINES;
$this->modules = array();
$this->engines = array();
foreach ($SEARCH_ENGINES as $cl => &$opts) {
if (!include_once("search/" . strtolower($cl) . '.php')) {
throw new ADEIException(translate("Unsupported search engine is configured: \"%s\"", $cl));
}
$engine = new $cl($req, $opts);
$modules = $engine->GetModules();
foreach ($modules as $module) {
if (isset($this->modules[$module])) {
throw new ADEIException(translate("SEARCH engines are conflicting. Module (%s) is provided by two different engines: \"" . get_class($this->modules[$module]) . "\" and \"$cl\""));
}
$this->modules[$module] = $engine;
}
$this->engines[$cl] = $engine;
}
}
function Search($string = false, $modules = false, $threshold = false) {
if ($string === false) $string = $this->req->props['search'];
if (($modules === false)&&($this->req->props['search_modules'])) {
$modules = $this->req->props['search_modules'];
}
if (($threshold === false)&&(isset($this->req->props['search_threshold']))) {
$threshold = $this->req->props['search_threshold'];
}
if (($modules)&&(is_string($modules))) {
if (strpos($modules, "{") === false) {
$mstr = explode(",", $modules);
$modules = array();
foreach ($mstr as $mod) {
if (preg_match("/^([\w\d_]+)(\(.*\))$/", $mod, $m)) {
$module = $m[1];
$modules[$module] = array();
if ($m[2]) {
$params = explode(";", $m[2]);
foreach ($params as $param) {
if (preg_match("/^([^=]+)=(.*)$/", $param, $m)) {
$modules[$module][$m[1]] = $m[2];
} else {
$modules[$module][$param] = true;
}
}
}
}
}
} else {
$modules = json_decode($modules);
}
}
if ($modules) {
$result = array();
foreach ($modules as $module => $opts) {
if (isset($this->modules[$module])) {
$result[$module] = $this->modules[$module]->Search($string, $module, $opts, $threshold);
} else {
throw new ADEIException(translate("The requested search module (%s) is not provided by any of search engines", $module));
}
}
} else {
foreach ($this->engines as $engine) {
$engine->EngineSearch($string, $threshold);
}
}
}
}
?>
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