vendor/doctrine/orm/lib/Doctrine/ORM/Tools/Console/MetadataFilter.php

   1 <?php
   2 /*
   3  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   4  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   5  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   6  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   7  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   8  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   9  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  10  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  11  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  12  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  13  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  14  *
  15  * This software consists of voluntary contributions made by many individuals
  16  * and is licensed under the MIT license. For more information, see
  17  * <http://www.doctrine-project.org>.
  18  */
  19
  20 namespace Doctrine\ORM\Tools\Console;
  21
  22 /**
  23  * Used by CLI Tools to restrict entity-based commands to given patterns.
  24  *
  25  * @license     http://www.opensource.org/licenses/mit-license.php MIT
  26  * @link        www.doctrine-project.com
  27  * @since       1.0
  28  * @author      Benjamin Eberlei <kontakt@beberlei.de>
  29  * @author      Guilherme Blanco <guilhermeblanco@hotmail.com>
  30  * @author      Jonathan Wage <jonwage@gmail.com>
  31  * @author      Roman Borschel <roman@code-factory.org>
  32  */
  33 class MetadataFilter extends \FilterIterator implements \Countable
  34 {
  35     /**
  36      * @var array
  37      */
  38     private $filter = array();
  39
  40     /**
  41      * Filter Metadatas by one or more filter options.
  42      *
  43      * @param array        $metadatas
  44      * @param array|string $filter
  45      *
  46      * @return array
  47      */
  48     static public function filter(array $metadatas, $filter)
  49     {
  50         $metadatas = new MetadataFilter(new \ArrayIterator($metadatas), $filter);
  51
  52         return iterator_to_array($metadatas);
  53     }
  54
  55     /**
  56      * @param \ArrayIterator $metadata
  57      * @param array|string   $filter
  58      */
  59     public function __construct(\ArrayIterator $metadata, $filter)
  60     {
  61         $this->filter = (array) $filter;
  62
  63         parent::__construct($metadata);
  64     }
  65
  66     /**
  67      * @return bool
  68      */
  69     public function accept()
  70     {
  71         if (count($this->filter) == 0) {
  72             return true;
  73         }
  74
  75         $it = $this->getInnerIterator();
  76         $metadata = $it->current();
  77
  78         foreach ($this->filter as $filter) {
  79             $pregResult = preg_match("/$filter/", $metadata->name);
  80
  81             if ($pregResult === false) {
  82                 throw new \RuntimeException(
  83                     sprintf("Error while evaluating regex '/%s/'.", $filter)
  84                 );
  85             }
  86
  87             if ($pregResult) {
  88                 return true;
  89             }
  90         }
  91
  92         return false;
  93     }
  94
  95     /**
  96      * @return int
  97      */
  98     public function count()
  99     {
 100         return count($this->getInnerIterator());
 101     }
 102 }