139 lines
4.1 KiB
PHP
139 lines
4.1 KiB
PHP
<?php
|
|
|
|
/**
|
|
* SplClassLoader implementation that implements the technical interoperability
|
|
* standards for PHP 5.3 namespaces and class names.
|
|
*
|
|
* http://groups.google.com/group/php-standards/web/final-proposal
|
|
*
|
|
* // Example which loads classes for the Doctrine Common package in the
|
|
* // Doctrine\Common namespace.
|
|
* $classLoader = new SplClassLoader('Doctrine\Common', '/path/to/doctrine');
|
|
* $classLoader->register();
|
|
*
|
|
* @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
|
|
{
|
|
private $_fileExtension = '.php';
|
|
private $_namespace;
|
|
private $_includePath;
|
|
private $_namespaceSeparator = '\\';
|
|
|
|
/**
|
|
* Creates a new <tt>SplClassLoader</tt> that loads classes of the
|
|
* specified namespace.
|
|
*
|
|
* @param string $ns The namespace to use.
|
|
*/
|
|
public function __construct($ns = null, $includePath = null)
|
|
{
|
|
$this->_namespace = $ns;
|
|
$this->_includePath = $includePath;
|
|
}
|
|
|
|
/**
|
|
* 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 namespace seperator used by classes in the namespace of this class loader.
|
|
*
|
|
* @return void
|
|
*/
|
|
public function getNamespaceSeparator()
|
|
{
|
|
return $this->_namespaceSeparator;
|
|
}
|
|
|
|
/**
|
|
* Sets the base include path for all class files in the namespace of this class loader.
|
|
*
|
|
* @param string $includePath
|
|
*/
|
|
public function setIncludePath($includePath)
|
|
{
|
|
$this->_includePath = $includePath;
|
|
}
|
|
|
|
/**
|
|
* 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 file extension of class files in the namespace of this class loader.
|
|
*
|
|
* @param string $fileExtension
|
|
*/
|
|
public function setFileExtension($fileExtension)
|
|
{
|
|
$this->_fileExtension = $fileExtension;
|
|
}
|
|
|
|
/**
|
|
* Gets the file extension of class files in the namespace of this class loader.
|
|
*
|
|
* @return string $fileExtension
|
|
*/
|
|
public function getFileExtension()
|
|
{
|
|
return $this->_fileExtension;
|
|
}
|
|
|
|
/**
|
|
* Installs this class loader on the SPL autoload stack.
|
|
*/
|
|
public function register()
|
|
{
|
|
spl_autoload_register(array($this, 'loadClass'));
|
|
}
|
|
|
|
/**
|
|
* Uninstalls this class loader from the SPL autoloader stack.
|
|
*/
|
|
public function unregister()
|
|
{
|
|
spl_autoload_unregister(array($this, 'loadClass'));
|
|
}
|
|
|
|
/**
|
|
* Loads the given class or interface.
|
|
*
|
|
* @param string $className The name of the class to load.
|
|
* @return void
|
|
*/
|
|
public function loadClass($className)
|
|
{
|
|
if (null === $this->_namespace || $this->_namespace.$this->_namespaceSeparator === substr($className, 0, strlen($this->_namespace.$this->_namespaceSeparator))) {
|
|
$fileName = '';
|
|
$namespace = '';
|
|
if (false !== ($lastNsPos = strripos($className, $this->_namespaceSeparator))) {
|
|
$namespace = substr($className, 0, $lastNsPos);
|
|
$className = substr($className, $lastNsPos + 1);
|
|
$fileName = str_replace($this->_namespaceSeparator, DIRECTORY_SEPARATOR, $namespace) . DIRECTORY_SEPARATOR;
|
|
}
|
|
$fileName .= str_replace('_', DIRECTORY_SEPARATOR, $className) . $this->_fileExtension;
|
|
$filePath = ($this->_includePath !== null ? $this->_includePath . DIRECTORY_SEPARATOR : '') . $fileName;
|
|
|
|
if (is_file($filePath)) {
|
|
require $filePath;
|
|
}
|
|
}
|
|
}
|
|
} |