94 lines
3.9 KiB
PHP
94 lines
3.9 KiB
PHP
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<?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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* RangeVariableDeclaration ::= AbstractSchemaName ["AS"] AliasIdentificationVariable
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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 1.0
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* @version $Revision$
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*/
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class Doctrine_ORM_Query_Parser_RangeVariableDeclaration extends Doctrine_ORM_Query_ParserRule
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{
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protected $_AST = null;
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public function syntax($paramHolder)
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{
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// RangeVariableDeclaration ::= AbstractSchemaName ["AS"] AliasIdentificationVariable
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$this->_AST = $this->AST('RangeVariableDeclaration');
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$this->_AST->setAbstractSchemaName($this->parse('AbstractSchemaName', $paramHolder));
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if ($this->_isNextToken(Doctrine_ORM_Query_Token::T_AS)) {
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$this->_parser->match(Doctrine_ORM_Query_Token::T_AS);
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}
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$this->_AST->setAliasIdentificationVariable($this->parse('AliasIdentificationVariable', $paramHolder));
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}
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public function semantical($paramHolder)
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{
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$parserResult = $this->_parser->getParserResult();
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$componentName = $this->_AST->getAbstractSchemaName()->getComponentName();
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$componentAlias = $this->_AST->getAliasIdentificationVariable()->getComponentAlias();
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// Check if we already have a component defined without an alias
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if ($componentAlias === null && $parserResult->hasQueryComponent($componentName)) {
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$this->_parser->semanticalError(
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"Cannot re-declare component '{$componentName}'. Please assign an alias to it."
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);
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// Define new queryComponent since it does not exist yet
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} else {
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// Retrieving ClassMetadata and Mapper
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try {
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$classMetadata = $this->_em->getClassMetadata($componentName);
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// Building queryComponent
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$queryComponent = array(
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'metadata' => $classMetadata,
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'parent' => null,
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'relation' => null,
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'map' => null,
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'scalar' => null,
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);
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} catch (Doctrine_Exception $e) {
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$this->_parser->semanticalError($e->getMessage());
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}
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// Inspect for possible non-aliasing
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if ($componentAlias === null) {
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$componentAlias = $componentName;
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}
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$tableAlias = $parserResult->generateTableAlias($classMetadata->getClassName());
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$parserResult->setQueryComponent($componentAlias, $queryComponent);
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$parserResult->setTableAlias($tableAlias, $componentAlias);
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}
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// Return AST node
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return $this->_AST;
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}
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}
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