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<?php
/**
* ownCloud
*
* @author Frank Karlitschek
* @copyright 2012 Frank Karlitschek frank@owncloud.org
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC;
use OCP\Search\Provider;
use OCP\ISearch;
/**
* Provide an interface to all search providers
*/
class Search implements ISearch {
private $providers = array();
private $registeredProviders = array();
/**
* Search all providers for $query
* @param string $query
* @return array An array of OC\Search\Result's
*/
public function search($query) {
$this->initProviders();
$results = array();
foreach($this->providers as $provider) {
/** @var $provider Provider */
$results = array_merge($results, $provider->search($query));
}
return $results;
}
/**
* Remove all registered search providers
*/
public function clearProviders() {
$this->providers=array();
$this->registeredProviders=array();
}
/**
* Remove one existing search provider
* @param string $provider class name of a OC\Search\Provider
*/
public function removeProvider($provider) {
$this->registeredProviders = array_filter(
$this->registeredProviders,
function ($element) use ($provider) {
return ($element['class'] != $provider);
}
);
// force regeneration of providers on next search
$this->providers=array();
}
/**
* Register a new search provider to search with
* @param string $class class name of a OC\Search\Provider
* @param array $options optional
*/
public function registerProvider($class, $options=array()) {
$this->registeredProviders[]=array('class'=>$class, 'options'=>$options);
}
/**
* Create instances of all the registered search providers
*/
private function initProviders() {
if(count($this->providers)>0) {
return;
}
foreach($this->registeredProviders as $provider) {
$class = $provider['class'];
$options = $provider['options'];
$this->providers[]=new $class($options);
}
}
}
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