71 lines
2.9 KiB
PHP
71 lines
2.9 KiB
PHP
<?php
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/*
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* $Id$
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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 LGPL. For more information, see
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* <http://www.phpdoctrine.org>.
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*/
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/**
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* JoinAssociationPathExpression ::= JoinCollectionValuedPathExpression | JoinSingleValuedAssociationPathExpression
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*
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* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
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* @author Janne Vanhala <jpvanhal@cc.hut.fi>
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @link http://www.phpdoctrine.org
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* @since 2.0
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* @version $Revision$
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*/
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class Doctrine_ORM_Query_Parser_JoinAssociationPathExpression extends Doctrine_ORM_Query_ParserRule
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{
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public function syntax()
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{
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// JoinAssociationPathExpression ::= JoinCollectionValuedPathExpression | JoinSingleValuedAssociationPathExpression
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return $this->parse($this->_isSingleValuedPathExpression()
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? 'JoinSingleValuedAssociationPathExpression'
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: 'JoinCollectionValuedPathExpression'
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);
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}
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private function _isSingleValuedPathExpression()
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{
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$parserResult = $this->_parser->getParserResult();
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// Trying to recoginize this grammar:
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// IdentificationVariable "." (CollectionValuedAssociationField | SingleValuedAssociationField)
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$token = $this->_parser->lookahead;
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$this->_parser->getScanner()->resetPeek();
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if ($parserResult->hasQueryComponent($token['value'])) {
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$queryComponent = $parserResult->getQueryComponent($token['value']);
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$token = $this->_parser->getScanner()->peek();
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// If we have a dot ".", then next char must be the "*"
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if ($token['type'] === Doctrine_ORM_Query_Token::T_DOT) {
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$token = $this->_parser->getScanner()->peek();
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if ( ! ($queryComponent['metadata']->hasAssociation($token['value']) &&
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$queryComponent['metadata']->getAssociation($token['value'])->isOneToTone())) {
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return true;
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}
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}
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}
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return false;
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}
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}
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