109 lines
3.4 KiB
PHP
109 lines
3.4 KiB
PHP
<?php
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/*
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* $Id$
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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namespace Doctrine\Common;
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/**
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* An <tt>IsolatedClassLoader</tt> is an autoloader for class files that can be
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* installed on the SPL autoload stack. It is a class loader that loads only classes
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* of a specific namespace and is suitable for working together with other autoloaders
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* in the SPL autoload stack.
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*
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* If no base path is configured, an IsolatedClassLoader relies on the include_path.
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*
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* @author Roman Borschel <roman@code-factory.org>
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* @since 2.0
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*/
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class IsolatedClassLoader
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{
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private $_fileExtension = '.php';
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private $_namespace;
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private $_basePath;
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private $_namespaceSeparator = '\\';
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/**
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* Creates a new <tt>IsolatedClassLoader</tt> that loads classes of the
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* specified namespace.
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*
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* @param string $ns The namespace to use.
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*/
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public function __construct($ns = null)
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{
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$this->_namespace = $ns;
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}
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/**
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* Sets the namespace separator used by classes in the namespace of this class loader.
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*
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* @param string $sep The separator to use.
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*/
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public function setNamespaceSeparator($sep)
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{
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$this->_namespaceSeparator = $sep;
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}
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/**
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* Sets the base include path for all class files in the namespace of this class loader.
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*
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* @param string $basePath
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*/
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public function setBasePath($basePath)
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{
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$this->_basePath = $basePath;
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}
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/**
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* Sets the file extension of class files in the namespace of this class loader.
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*
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* @param string $fileExtension
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*/
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public function setFileExtension($fileExtension)
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{
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$this->_fileExtension = $fileExtension;
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}
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/**
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* Installs this class loader on the SPL autoload stack.
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*/
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public function register()
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{
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spl_autoload_register(array($this, 'loadClass'));
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}
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/**
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* Loads the given class or interface.
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*
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* @param string $classname The name of the class to load.
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* @return boolean TRUE if the class has been successfully loaded, FALSE otherwise.
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*/
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public function loadClass($className)
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{
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if ($this->_namespace && strpos($className, $this->_namespace.$this->_namespaceSeparator) !== 0) {
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return false;
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}
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require ($this->_basePath !== null ? $this->_basePath . DIRECTORY_SEPARATOR : '')
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. str_replace($this->_namespaceSeparator, DIRECTORY_SEPARATOR, $className)
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. $this->_fileExtension;
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return true;
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}
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} |