<?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.phpdoctrine.com>. */ Doctrine::autoload("Doctrine_Query_Part"); /** * Doctrine_Query_From * * @package Doctrine * @license http://www.opensource.org/licenses/lgpl-license.php LGPL * @category Object Relational Mapping * @link www.phpdoctrine.com * @since 1.0 * @version $Revision$ * @author Konsta Vesterinen <kvesteri@cc.hut.fi> */ class Doctrine_Query_From extends Doctrine_Query_Part { /** * DQL FROM PARSER * parses the from part of the query string * @param string $str * @return void */ public function parse($str) { $str = trim($str); $parts = Doctrine_Tokenizer::bracketExplode($str, 'JOIN'); $operator = false; switch (trim($parts[0])) { case 'INNER': $operator = ':'; case 'LEFT': array_shift($parts); break; } $last = ''; foreach ($parts as $k => $part) { $part = trim($part); if (empty($part)) { continue; } $e = explode(' ', $part); if (end($e) == 'INNER' || end($e) == 'LEFT') { $last = array_pop($e); } $part = implode(' ', $e); foreach (Doctrine_Tokenizer::bracketExplode($part, ',') as $reference) { $reference = trim($reference); $e = explode('.', $reference); if ($operator) { $reference = array_shift($e) . $operator . implode('.', $e); } $table = $this->query->load($reference); } $operator = ($last == 'INNER') ? ':' : '.'; } return null; } }