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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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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 MIT license. For more information, see  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * <https://github.com/baleen/migrations>.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Baleen\Migrations\Migration\Repository\Mapper;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Baleen\Migrations\Exception\InvalidArgumentException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Baleen\Migrations\Migration\Factory\FactoryInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Baleen\Migrations\Migration\Factory\SimpleFactory;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Baleen\Migrations\Migration\MigrationInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Zend\Code\Scanner\DerivedClassScanner;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Zend\Code\Scanner\DirectoryScanner;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Class DirectoryRepositoryMapper  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author Gabriel Somoza <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                final class DirectoryMapper implements MigrationMapperInterface  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const PATTERN_DEFAULT = '/v([0-9]+).*/';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var DirectoryScanner  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $scanner;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var string */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $pattern = self::PATTERN_DEFAULT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var FactoryInterface */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $factory;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $path Full path to the repository's directory  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param FactoryInterface $factory A factory that can instantiate migrations.  | 
            
                            
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                     * @param string $pattern Regex pattern to extract the version ID from a migration's class name. If null it will  | 
            
                            
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                     *                        default to DirectoryRepositoryMapper::PATTERN_DEFAULT  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @throws InvalidArgumentException  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function __construct(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $path,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        FactoryInterface $factory = null,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $pattern = null  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    ) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $path = (string) $path;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        if (empty($path) || !is_dir($path)) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            throw new InvalidArgumentException('Argument "path" is empty or directory does not exist.'); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->scanner = new DirectoryScanner($path);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $pattern = null === $pattern ? self::PATTERN_DEFAULT : (string) $pattern;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        if (empty($pattern)) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            throw new InvalidArgumentException('Argument "pattern" cannot be empty.'); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->pattern = $pattern;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        if (null === $factory) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $factory = new SimpleFactory();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->factory = $factory;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @inheritdoc  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function fetchAll()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $classes = $this->scanner->getClasses(true);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $definitions = [];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        foreach ($classes as $class) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            /* @var DerivedClassScanner $class */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $className = $class->getName();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $matches = [];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            if (preg_match($this->pattern, $className, $matches)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                && isset($matches[1])  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                && $class->isInstantiable()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $migration = $this->factory->create($className);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                if ($migration instanceof MigrationInterface) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    $definitions[] = new Definition($migration);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $definitions;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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This check looks for
@paramannotations where the type inferred by our type inference engine differs from the declared type.It makes a suggestion as to what type it considers more descriptive.
Most often this is a case of a parameter that can be null in addition to its declared types.