Source of file Base.php
Size: 3,072 Bytes - Last Modified: 2013-05-11T09:51:12+02:00
/home/theseer/Downloads/Symfony/vendor/doctrine/orm/lib/Doctrine/ORM/Query/Expr/Base.php
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122 | <?php /* * 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 MIT license. For more information, see * <http://www.doctrine-project.org>. */ namespace Doctrine\ORM\Query\Expr; /** * Abstract base Expr class for building DQL parts * * * @link www.doctrine-project.org * @since 2.0 * @author Guilherme Blanco <guilhermeblanco@hotmail.com> * @author Jonathan Wage <jonwage@gmail.com> * @author Roman Borschel <roman@code-factory.org> */ abstract class Base { /** * @var string */ protected $preSeparator = '('; /** * @var string */ protected $separator = ', '; /** * @var string */ protected $postSeparator = ')'; /** * @var array */ protected $allowedClasses = array(); /** * @var array */ protected $parts = array(); /** * @param array $args */ public function __construct($args = array()) { $this->addMultiple($args); } /** * @param array $args * @return Base */ public function addMultiple($args = array()) { foreach ((array) $args as $arg) { $this->add($arg); } return $this; } /** * @param mixed $arg * @return Base */ public function add($arg) { if ( $arg !== null && (!$arg instanceof self || $arg->count() > 0) ) { // If we decide to keep Expr\Base instances, we can use this check if ( ! is_string($arg)) { $class = get_class($arg); if ( ! in_array($class, $this->allowedClasses)) { throw new \InvalidArgumentException("Expression of type '$class' not allowed in this context."); } } $this->parts[] = $arg; } return $this; } /** * @return integer */ public function count() { return count($this->parts); } /** * @return string */ public function __toString() { if ($this->count() == 1) { return (string) $this->parts[0]; } return $this->preSeparator . implode($this->separator, $this->parts) . $this->postSeparator; } } |