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phorge-phorge/src/aphront/mapper/AphrontURIMapper.php

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<?php
/*
* Copyright 2011 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @group aphront
*/
final class AphrontURIMapper {
private $map;
final public function __construct(array $map) {
$this->map = $map;
}
final public function mapPath($path) {
$map = $this->map;
foreach ($map as $rule => $value) {
list($controller, $data) = $this->tryRule($rule, $value, $path);
if ($controller) {
foreach ($data as $k => $v) {
if (is_numeric($k)) {
unset($data[$k]);
}
}
return array($controller, $data);
}
}
return array(null, null);
}
final private function tryRule($rule, $value, $path) {
$match = null;
if (!preg_match('#^'.$rule.'#', $path, $match)) {
return array(null, null);
}
if (!is_array($value)) {
return array($value, $match);
}
$path = substr($path, strlen($match[0]));
foreach ($value as $srule => $sval) {
list($controller, $data) = $this->tryRule($srule, $sval, $path);
if ($controller) {
return array($controller, $data + $match);
}
}
return array(null, null);
}
}