<?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.org>. */ /** * ComparisonOperator = "=" | "<" | "<=" | "<>" | ">" | ">=" | "!=" * * @package Doctrine * @subpackage Query * @author Janne Vanhala <jpvanhal@cc.hut.fi> * @license http://www.opensource.org/licenses/lgpl-license.php LGPL * @link http://www.phpdoctrine.org * @since 2.0 * @version $Revision$ */ class Doctrine_Query_Production_ComparisonOperator extends Doctrine_Query_Production { public function syntax($paramHolder) { switch ($this->_parser->lookahead['value']) { case '=': $this->_parser->match('='); return '='; break; case '<': $this->_parser->match('<'); $operator = '<'; if ($this->_isNextToken('=')) { $this->_parser->match('='); $operator .= '='; } elseif ($this->_isNextToken('>')) { $this->_parser->match('>'); $operator .= '>'; } return $operator; break; case '>': $this->_parser->match('>'); $operator = '>'; if ($this->_isNextToken('=')) { $this->_parser->match('='); $operator .= '='; } return $operator; break; case '!': $this->_parser->match('!'); $this->_parser->match('='); return '<>'; break; default: $this->_parser->syntaxError('=, <, <=, <>, >, >=, !='); break; } } /** * Visitor support. * * @param object $visitor */ public function accept($visitor) { $visitor->visitComparisonOperator($this); } }