/usr/share/php/PHP/Depend/Metrics/AnalyzerClassFileSystemLocator.php is in pdepend 1.1.4-1.
This file is owned by root:root, with mode 0o644.
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/**
* This file is part of PHP_Depend.
*
* PHP Version 5
*
* Copyright (c) 2008-2012, Manuel Pichler <mapi@pdepend.org>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Manuel Pichler nor the names of his
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @category QualityAssurance
* @package PHP_Depend
* @subpackage Metrics
* @author Manuel Pichler <mapi@pdepend.org>
* @copyright 2008-2012 Manuel Pichler. All rights reserved.
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
* @version SVN: $Id$
* @link http://pdepend.org/
* @since 0.9.10
*/
/**
* Locator that searches for PHP_Depend analyzers that follow the PHP_Depend
* convention and are present the PHP_Depend source tree.
*
* @category QualityAssurance
* @package PHP_Depend
* @subpackage Metrics
* @author Manuel Pichler <mapi@pdepend.org>
* @copyright 2008-2012 Manuel Pichler. All rights reserved.
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
* @version Release: 1.1.4
* @link http://pdepend.org/
* @since 0.9.10
*/
class PHP_Depend_Metrics_AnalyzerClassFileSystemLocator
implements PHP_Depend_Metrics_AnalyzerClassLocator
{
/**
* The root search directory.
*
* @var string
*/
private $classPath = null;
/**
* Array containing reflection classes for all found analyzer implementations.
*
* @var array(ReflectionClass)
*/
private $analyzers = null;
/**
* Constructs a new locator instance.
*
* @param string $classPath The root search directory.
*/
public function __construct($classPath = null)
{
if ($classPath === null) {
$classPath = dirname(__FILE__) . '/../../../';
}
$this->classPath = realpath($classPath) . DIRECTORY_SEPARATOR;
}
/**
* Returns an array with reflection instances for all analyzer classes.
*
* @return array(ReflectionClass)
*/
public function findAll()
{
if ($this->analyzers === null) {
$this->analyzers = $this->find();
}
return $this->analyzers;
}
/**
* Performs a recursive search for analyzers in the configured class path
* directory.
*
* @return array(ReflectionClass)
*/
private function find()
{
$result = array();
if (0 === stripos(PHP_OS, 'win')) {
$paths = explode(PATH_SEPARATOR, get_include_path());
} else {
preg_match_all('(:?(([a-z]+://)?[^:]+):?)i', get_include_path(), $match);
$paths = $match[1];
}
foreach ($paths as $path) {
$dir = $path.'/PHP/Depend/Metrics/';
if (!is_dir($dir)) {
continue;
}
$this->classPath = $dir;
$iterator = new RecursiveIteratorIterator(
new RecursiveDirectoryIterator($dir)
);
foreach ($iterator as $file) {
if ($file->getFilename() === 'Analyzer.php') {
$className = $this->createClassNameFromPath(
$dir, $file->getPathname()
);
if (!class_exists($className)) {
include_once $file->getPathname();
}
if ($this->isAnalyzerClass($className)) {
$result[$className] = new ReflectionClass($className);
}
}
}
}
ksort($result);
return array_values($result);
}
/**
* Creates a possible analyzer class name from a given absolute file path
* name.
*
* @param string $classPath The currently processed class path.
* @param string $path Path of a possible analyzer class.
*
* @return string
*/
private function createClassNameFromPath($classPath, $path)
{
$localPath = substr($path, strlen($classPath), -4);
return 'PHP_Depend_Metrics_' . strtr($localPath, DIRECTORY_SEPARATOR, '_');
}
/**
* Checks if the given class name represents a valid analyzer implementation.
*
* @param string $className Class name of a possible analyzer implementation.
*
* @return boolean
*/
private function isAnalyzerClass($className)
{
return class_exists($className) && $this->implementsInterface($className);
}
/**
* Checks if the given class implements the analyzer interface.
*
* @param string $className Class name of a possible analyzer implementation.
*
* @return boolean
*/
private function implementsInterface($className)
{
$expectedType = 'PHP_Depend_Metrics_AnalyzerI';
return in_array($expectedType, class_implements($className));
}
}
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