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<?php
namespace utilities;
use cms\Logger;
use Exception;
/*
* 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.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the MIT license. For more information, see
* <http://www.doctrine-project.org>.
*/
/**
* SplClassLoader implementation that implements the technical interoperability
* standards for PHP 5.3 namespaces and class names.
*
* http://groups.google.com/group/php-standards/web/psr-0-final-proposal?pli=1
*
* // Example which loads classes for the Doctrine Common package in the
* // Doctrine\Common namespace.
* $classLoader = new SplClassLoader('Doctrine\Common', '/path/to/doctrine');
* $classLoader->register();
*
* @license http://www.opensource.org/licenses/mit-license.html MIT License
* @author Lars Moelleken <lars@moelleken.org>
* @author Pierre Cassat <me@e-piwi.fr>
* @author Jonathan H. Wage <jonwage@gmail.com>
* @author Roman S. Borschel <roman@code-factory.org>
* @author Matthew Weier O'Phinney <matthew@zend.com>
* @author Kris Wallsmith <kris.wallsmith@gmail.com>
* @author Fabien Potencier <fabien.potencier@symfony-project.org>
*/
class SplClassLoader
{
/**
* @var string
*/
private $_fileExtension = '.php';
/**
* @var null|string
*/
private $_namespace;
/**
* @var null|string
*/
private $_includePath;
/**
* @var string
*/
private $_namespaceSeparator = '\\';
/**
* Creates a new <tt>SplClassLoader</tt> that loads classes of the
* specified namespace.
*
* @param null|string $ns The namespace to use.
* @param null|string $includePath
*/
public function __construct($ns = null, $includePath = null)
{
$this->_namespace = $ns;
$this->_includePath = $includePath;
}
/**
* Gets the namespace separator used by classes in the namespace of this class loader.
*
* @return string
*/
public function getNamespaceSeparator()
{
return $this->_namespaceSeparator;
}
/**
* Sets the namespace separator used by classes in the namespace of this class loader.
*
* @param string $sep The separator to use.
*/
public function setNamespaceSeparator($sep)
{
$this->_namespaceSeparator = $sep;
}
/**
* Gets the base include path for all class files in the namespace of this class loader.
*
* @return string $includePath
*/
public function getIncludePath()
{
return $this->_includePath;
}
/**
* Sets the base include path for all class files in the namespace of this class loader.
*
* @param string $includePath
*
* @throws \InvalidArgumentException
*/
public function setIncludePath($includePath)
{
if (!file_exists($includePath)) {
throw new \InvalidArgumentException(
sprintf('Path "%s" declared as namespace\'s "%s" include path does not exist!', $includePath, $this->_namespace)
);
}
if (!is_dir($includePath)) {
throw new \InvalidArgumentException(
sprintf('Path "%s" declared as namespace\'s "%s" include path is not a directory!', $includePath, $this->_namespace)
);
}
$this->_includePath = realpath($includePath);
}
/**
* Gets the file extension of class files in the namespace of this class loader.
*
* @return string $fileExtension
*/
public function getFileExtension()
{
return $this->_fileExtension;
}
/**
* Sets the file extension of class files in the namespace of this class loader.
*
* @param string $fileExtension
*/
public function setFileExtension($fileExtension)
{
$this->_fileExtension = $fileExtension;
}
/**
* Installs this class loader on the SPL autoload stack.
*/
public function register()
{
try {
if (version_compare(phpversion(), '5.3.0', '>=')) {
spl_autoload_register(
array(
$this,
'loadClass',
),
true,
false
);
} else {
spl_autoload_register(
array(
$this,
'loadClass',
)
);
}
} catch (Exception $e) {
Logger::error(date('d. m. Y G:i:s') . ' ' . $e->getFile() . ' | ' . $e->getLine() . ' : ' . $e->getMessage());
}
}
/**
* Uninstalls this class loader from the SPL autoloader stack.
*/
public function unregister()
{
spl_autoload_unregister(
array(
$this,
'loadClass',
)
);
}
/**
* Constructs the file path of a class.
*
* @param string $className The name of the class to load.
*
* @return null|string
*/
public function resolveFileName($className)
{
if (
null === $this->_namespace
||
0 === strpos($className, $this->_namespace . $this->_namespaceSeparator)
) {
$fileName = null;
$lastNamespacePosition = strrpos($className, $this->_namespaceSeparator);
if (false !== $lastNamespacePosition) {
$namespace = substr($className, 0, $lastNamespacePosition);
$className = substr($className, $lastNamespacePosition + 1);
$fileName = str_replace($this->_namespaceSeparator, DIRECTORY_SEPARATOR, $namespace) . DIRECTORY_SEPARATOR;
}
if (strpos($className, '_') !== false) {
$className = str_replace('_', DIRECTORY_SEPARATOR, $className);
}
$fileName .= $className . $this->_fileExtension;
return $fileName;
}
return null;
}
/**
* Loads the given class or interface.
*
* @param string $className The name of the class to load.
*
* @throws \Exception
*/
public function loadClass($className)
{
if ($this->_includePath !== null) {
$path = $this->_includePath . DIRECTORY_SEPARATOR;
} else {
$path = '';
}
$fileName = $this->resolveFileName($className);
if ($fileName) {
$fileNameWithPath = $path . $fileName;
if (!file_exists($fileNameWithPath)) {
throw new \Exception('File do not exists: ' . $fileNameWithPath);
}
if (!is_readable($fileNameWithPath)) {
throw new \Exception('Unreadable file: ' . $fileNameWithPath);
}
/** @noinspection PhpIncludeInspection */
require $fileNameWithPath;
}
}
}
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