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sources/lib/private/appframework/utility/controllermethodreflector.php
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<?php
/**
* ownCloud - App Framework
*
* @author Bernhard Posselt
* @copyright 2014 Bernhard Posselt <dev@bernhard-posselt.com>
*
* 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\AppFramework\Utility;
/**
* Reads and parses annotations from doc comments
*/
class ControllerMethodReflector {
private $annotations;
private $types;
private $parameters;
public function __construct() {
$this->types = array();
$this->parameters = array();
$this->annotations = array();
}
/**
* @param object $object an object or classname
* @param string $method the method which we want to inspect
*/
public function reflect($object, $method){
$reflection = new \ReflectionMethod($object, $method);
$docs = $reflection->getDocComment();
// extract everything prefixed by @ and first letter uppercase
preg_match_all('/@([A-Z]\w+)/', $docs, $matches);
$this->annotations = $matches[1];
// extract type parameter information
preg_match_all('/@param (?<type>\w+) \$(?<var>\w+)/', $docs, $matches);
// this is just a fix for PHP 5.3 (array_combine raises warning if called with
// two empty arrays
if($matches['var'] === array() && $matches['type'] === array()) {
$this->types = array();
} else {
$this->types = array_combine($matches['var'], $matches['type']);
}
// get method parameters
foreach ($reflection->getParameters() as $param) {
if($param->isOptional()) {
$default = $param->getDefaultValue();
} else {
$default = null;
}
$this->parameters[$param->name] = $default;
}
}
/**
* Inspects the PHPDoc parameters for types
* @param string $parameter the parameter whose type comments should be
* parsed
* @return string|null type in the type parameters (@param int $something)
* would return int or null if not existing
*/
public function getType($parameter) {
if(array_key_exists($parameter, $this->types)) {
return $this->types[$parameter];
} else {
return null;
}
}
/**
* @return array the arguments of the method with key => default value
*/
public function getParameters() {
return $this->parameters;
}
/**
* Check if a method contains an annotation
* @param string $name the name of the annotation
* @return bool true if the annotation is found
*/
public function hasAnnotation($name){
return in_array($name, $this->annotations);
}
}
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