107 lines
4.0 KiB
PHP
107 lines
4.0 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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* PathExpressionEndingWithAsterisk = {identifier "."} "*"
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*
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* @package Doctrine
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* @subpackage Query
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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 1.0
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* @version $Revision$
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*/
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class Doctrine_Query_Production_PathExpressionEndingWithAsterisk extends Doctrine_Query_Production
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{
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protected $_identifiers = array();
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public function syntax($paramHolder)
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{
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// PathExpressionEndingWithAsterisk = {identifier "."} "*"
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while ($this->_isNextToken(Doctrine_Query_Token::T_IDENTIFIER)) {
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$this->_parser->match(Doctrine_Query_Token::T_IDENTIFIER);
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$this->_identifiers[] = $this->_parser->token['value'];
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$this->_parser->match('.');
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}
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$this->_parser->match('*');
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}
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public function semantical($paramHolder)
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{
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$parserResult = $this->_parser->getParserResult();
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if (($l = count($this->_identifiers)) > 0) {
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// We are dealing with component{.component}.*
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$classMetadata = null;
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for ($i = 0; $i < $l; $i++) {
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$relationName = $this->_identifiers[$i];
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// We are still checking for relations
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if ( $classMetadata !== null && ! $classMetadata->hasRelation($relationName)) {
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$className = $classMetadata->getClassName();
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$this->_parser->semanticalError("Relation '{$relationName}' does not exist in component '{$className}'");
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// Assigning new ClassMetadata
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$classMetadata = $classMetadata->getRelation($relationName)->getClassMetadata();
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} elseif ( $classMetadata === null ) {
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$queryComponent = $parserResult->getQueryComponent($relationName);
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// We should have a semantical error if the queryComponent does not exists yet
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if ($queryComponent === null) {
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$this->_parser->semanticalError("Undefined component alias for relation '{$relationName}'");
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}
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// Initializing ClassMetadata
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$classMetadata = $queryComponent['metadata'];
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}
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}
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} else {
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// We are dealing with a simple * as our PathExpression.
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// We need to check if there's only one query component.
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$queryComponents = $parserResult->getQueryComponents();
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if (count($queryComponents) != 1) {
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$this->_parser->semanticalError(
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"Cannot use * as selector expression for multiple components."
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);
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}
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// We simplify our life adding the component alias to our AST,
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// since we have it on hands now.
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$k = array_keys($queryComponents);
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$this->_identifiers[] = $k[0];
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}
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}
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public function buildSql()
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{
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return '';
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}
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}
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