vendor/doctrine/lib/Doctrine/ORM/Mapping/Driver/AbstractFileDriver.php
changeset 0 7f95f8617b0b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/doctrine/lib/Doctrine/ORM/Mapping/Driver/AbstractFileDriver.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,210 @@
+<?php
+/*
+ *  $Id$
+ *
+ * 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 LGPL. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\ORM\Mapping\Driver;
+
+use Doctrine\ORM\Mapping\MappingException;
+
+/**
+ * Base driver for file-based metadata drivers.
+ * 
+ * A file driver operates in a mode where it loads the mapping files of individual
+ * classes on demand. This requires the user to adhere to the convention of 1 mapping
+ * file per class and the file names of the mapping files must correspond to the full
+ * class name, including namespace, with the namespace delimiters '\', replaced by dots '.'.
+ *
+ * @license     http://www.opensource.org/licenses/lgpl-license.php LGPL
+ * @link        www.doctrine-project.com
+ * @since       2.0
+ * @version     $Revision$
+ * @author		Benjamin Eberlei <kontakt@beberlei.de>
+ * @author		Guilherme Blanco <guilhermeblanco@hotmail.com>
+ * @author      Jonathan H. Wage <jonwage@gmail.com>
+ * @author      Roman Borschel <roman@code-factory.org>
+ */
+abstract class AbstractFileDriver implements Driver
+{
+    /**
+     * The paths where to look for mapping files.
+     *
+     * @var array
+     */
+    protected $_paths = array();
+
+    /**
+     * The file extension of mapping documents.
+     *
+     * @var string
+     */
+    protected $_fileExtension;
+
+    /** 
+     * Initializes a new FileDriver that looks in the given path(s) for mapping 
+     * documents and operates in the specified operating mode. 
+     *  
+     * @param string|array $paths One or multiple paths where mapping documents can be found. 
+     */ 
+    public function __construct($paths) 
+    { 
+        $this->addPaths((array) $paths);
+    } 
+
+    /**
+     * Append lookup paths to metadata driver.
+     *
+     * @param array $paths
+     */
+    public function addPaths(array $paths)
+    {
+        $this->_paths = array_unique(array_merge($this->_paths, $paths));
+    }
+
+    /**
+     * Retrieve the defined metadata lookup paths.
+     *
+     * @return array
+     */
+    public function getPaths()
+    {
+        return $this->_paths;
+    }
+
+    /**
+     * Get the file extension used to look for mapping files under
+     *
+     * @return void
+     */
+    public function getFileExtension()
+    {
+        return $this->_fileExtension;
+    }
+
+    /**
+     * Set the file extension used to look for mapping files under
+     *
+     * @param string $fileExtension The file extension to set
+     * @return void
+     */
+    public function setFileExtension($fileExtension)
+    {
+        $this->_fileExtension = $fileExtension;
+    }
+
+    /**
+     * Get the element of schema meta data for the class from the mapping file.
+     * This will lazily load the mapping file if it is not loaded yet
+     *
+     * @return array $element  The element of schema meta data
+     */
+    public function getElement($className)
+    {
+        $result = $this->_loadMappingFile($this->_findMappingFile($className));
+        
+        return $result[$className];
+    }
+
+    /**
+     * Whether the class with the specified name should have its metadata loaded.
+     * This is only the case if it is either mapped as an Entity or a
+     * MappedSuperclass.
+     *
+     * @param string $className
+     * @return boolean
+     */
+    public function isTransient($className)
+    {
+        $fileName = str_replace('\\', '.', $className) . $this->_fileExtension;
+
+        // Check whether file exists
+        foreach ((array) $this->_paths as $path) {
+            if (file_exists($path . DIRECTORY_SEPARATOR . $fileName)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * Gets the names of all mapped classes known to this driver.
+     * 
+     * @return array The names of all mapped classes known to this driver.
+     */
+    public function getAllClassNames()
+    {
+        $classes = array();
+
+        if ($this->_paths) {
+            foreach ((array) $this->_paths as $path) {
+                if ( ! is_dir($path)) {
+                    throw MappingException::fileMappingDriversRequireConfiguredDirectoryPath($path);
+                }
+            
+                $iterator = new \RecursiveIteratorIterator(
+                    new \RecursiveDirectoryIterator($path),
+                    \RecursiveIteratorIterator::LEAVES_ONLY
+                );
+        
+                foreach ($iterator as $file) {
+                    if (($fileName = $file->getBasename($this->_fileExtension)) == $file->getBasename()) {
+                        continue;
+                    }
+                    
+                    // NOTE: All files found here means classes are not transient!
+                    $classes[] = str_replace('.', '\\', $fileName);
+                }
+            }
+        }
+        
+        return $classes;
+    }
+
+    /**
+     * Finds the mapping file for the class with the given name by searching
+     * through the configured paths.
+     *
+     * @param $className
+     * @return string The (absolute) file name.
+     * @throws MappingException
+     */
+    protected function _findMappingFile($className)
+    {
+        $fileName = str_replace('\\', '.', $className) . $this->_fileExtension;
+        
+        // Check whether file exists
+        foreach ((array) $this->_paths as $path) {
+            if (file_exists($path . DIRECTORY_SEPARATOR . $fileName)) {
+                return $path . DIRECTORY_SEPARATOR . $fileName;
+            }
+        }
+
+        throw MappingException::mappingFileNotFound($className, $fileName);
+    }
+
+    /**
+     * Loads a mapping file with the given name and returns a map
+     * from class/entity names to their corresponding elements.
+     * 
+     * @param string $file The mapping file to load.
+     * @return array
+     */
+    abstract protected function _loadMappingFile($file);
+}
\ No newline at end of file