114 lines
3 KiB
PHP
114 lines
3 KiB
PHP
<?php
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/**
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* ownCloud - App Framework
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*
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* @author Bernhard Posselt
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* @copyright 2014 Bernhard Posselt <dev@bernhard-posselt.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OC\AppFramework\Utility;
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use \OCP\AppFramework\Utility\IControllerMethodReflector;
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/**
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* Reads and parses annotations from doc comments
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*/
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class ControllerMethodReflector implements IControllerMethodReflector{
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private $annotations;
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private $types;
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private $parameters;
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public function __construct() {
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$this->types = array();
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$this->parameters = array();
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$this->annotations = array();
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}
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/**
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* @param object $object an object or classname
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* @param string $method the method which we want to inspect
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*/
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public function reflect($object, $method){
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$reflection = new \ReflectionMethod($object, $method);
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$docs = $reflection->getDocComment();
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// extract everything prefixed by @ and first letter uppercase
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preg_match_all('/@([A-Z]\w+)/', $docs, $matches);
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$this->annotations = $matches[1];
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// extract type parameter information
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preg_match_all('/@param (?P<type>\w+) \$(?P<var>\w+)/', $docs, $matches);
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// this is just a fix for PHP 5.3 (array_combine raises warning if called with
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// two empty arrays
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if($matches['var'] === array() && $matches['type'] === array()) {
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$this->types = array();
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} else {
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$this->types = array_combine($matches['var'], $matches['type']);
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}
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// get method parameters
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foreach ($reflection->getParameters() as $param) {
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if($param->isOptional()) {
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$default = $param->getDefaultValue();
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} else {
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$default = null;
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}
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$this->parameters[$param->name] = $default;
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}
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}
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/**
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* Inspects the PHPDoc parameters for types
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* @param string $parameter the parameter whose type comments should be
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* parsed
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* @return string|null type in the type parameters (@param int $something)
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* would return int or null if not existing
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*/
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public function getType($parameter) {
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if(array_key_exists($parameter, $this->types)) {
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return $this->types[$parameter];
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} else {
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return null;
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}
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}
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/**
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* @return array the arguments of the method with key => default value
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*/
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public function getParameters() {
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return $this->parameters;
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}
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/**
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* Check if a method contains an annotation
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* @param string $name the name of the annotation
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* @return bool true if the annotation is found
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*/
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public function hasAnnotation($name){
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return in_array($name, $this->annotations);
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}
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}
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