Chris@0: <?php
Chris@0: /*
Chris@0:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
Chris@0:  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
Chris@0:  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
Chris@0:  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
Chris@0:  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
Chris@0:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
Chris@0:  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
Chris@0:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
Chris@0:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
Chris@0:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
Chris@0:  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Chris@0:  *
Chris@0:  * This software consists of voluntary contributions made by many individuals
Chris@0:  * and is licensed under the MIT license. For more information, see
Chris@0:  * <http://www.doctrine-project.org>.
Chris@0:  */
Chris@0: 
Chris@0: namespace Doctrine\Common\Reflection;
Chris@0: 
Chris@0: /**
Chris@0:  * Finds a class in a PSR-0 structure.
Chris@0:  *
Chris@0:  * @author Karoly Negyesi <karoly@negyesi.net>
Chris@0:  */
Chris@0: class Psr0FindFile implements ClassFinderInterface
Chris@0: {
Chris@0:     /**
Chris@0:      * The PSR-0 prefixes.
Chris@0:      *
Chris@0:      * @var array
Chris@0:      */
Chris@0:     protected $prefixes;
Chris@0: 
Chris@0:     /**
Chris@0:      * @param array $prefixes An array of prefixes. Each key is a PHP namespace and each value is
Chris@0:      *                        a list of directories.
Chris@0:      */
Chris@0:     public function __construct($prefixes)
Chris@0:     {
Chris@0:         $this->prefixes = $prefixes;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritDoc}
Chris@0:      */
Chris@0:     public function findFile($class)
Chris@0:     {
Chris@0:         $lastNsPos = strrpos($class, '\\');
Chris@0:         if ('\\' == $class[0]) {
Chris@0:             $class = substr($class, 1);
Chris@0:         }
Chris@0: 
Chris@0:         if (false !== $lastNsPos) {
Chris@0:             // namespaced class name
Chris@0:             $classPath = str_replace('\\', DIRECTORY_SEPARATOR, substr($class, 0, $lastNsPos)) . DIRECTORY_SEPARATOR;
Chris@0:             $className = substr($class, $lastNsPos + 1);
Chris@0:         } else {
Chris@0:             // PEAR-like class name
Chris@0:             $classPath = null;
Chris@0:             $className = $class;
Chris@0:         }
Chris@0: 
Chris@0:         $classPath .= str_replace('_', DIRECTORY_SEPARATOR, $className) . '.php';
Chris@0: 
Chris@0:         foreach ($this->prefixes as $prefix => $dirs) {
Chris@0:             if (0 === strpos($class, $prefix)) {
Chris@0:                 foreach ($dirs as $dir) {
Chris@0:                     if (is_file($dir . DIRECTORY_SEPARATOR . $classPath)) {
Chris@0:                         return $dir . DIRECTORY_SEPARATOR . $classPath;
Chris@0:                     }
Chris@0:                 }
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return null;
Chris@0:     }
Chris@0: }