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- <?php
- // Copyright (C) 2010 Combodo SARL
- //
- // This program is free software; you can redistribute it and/or modify
- // it under the terms of the GNU General Public License as published by
- // the Free Software Foundation; version 3 of the License.
- //
- // This program is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU General Public License for more details.
- //
- // You should have received a copy of the GNU General Public License
- // along with this program; if not, write to the Free Software
- // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- /**
- * Wrapper to execute the parser, lexical analyzer and normalization of an OQL query
- *
- * @author Erwan Taloc <erwan.taloc@combodo.com>
- * @author Romain Quetiez <romain.quetiez@combodo.com>
- * @author Denis Flaven <denis.flaven@combodo.com>
- * @license http://www.opensource.org/licenses/gpl-3.0.html LGPL
- */
- class OqlNormalizeException extends OQLException
- {
- public function __construct($sIssue, $sInput, OqlName $oName, $aExpecting = null)
- {
- parent::__construct($sIssue, $sInput, 0, $oName->GetPos(), $oName->GetValue(), $aExpecting);
- }
- }
- class OqlInterpreterException extends OQLException
- {
- }
- class OqlInterpreter
- {
- public $m_sQuery;
- public function __construct($sQuery)
- {
- $this->m_sQuery = $sQuery;
- }
- // Note: this function is left public for unit test purposes
- public function Parse()
- {
- $oLexer = new OQLLexer($this->m_sQuery);
- $oParser = new OQLParser($this->m_sQuery);
- while($oLexer->yylex())
- {
- $oParser->doParse($oLexer->token, $oLexer->value, $oLexer->getTokenPos());
- }
- $res = $oParser->doFinish();
- return $res;
- }
- public function ParseObjectQuery()
- {
- $oRes = $this->Parse();
- if (!$oRes instanceof OqlObjectQuery)
- {
- throw new OQLException('Expecting an OQL query', $this->m_sQuery, 0, 0, get_class($oRes));
- }
- return $oRes;
- }
- public function ParseExpression()
- {
- $oRes = $this->Parse();
- if (!$oRes instanceof Expression)
- {
- throw new OQLException('Expecting an OQL expression', $this->m_sQuery, 0, 0, get_class($oRes), array('Expression'));
- }
- return $oRes;
- }
- }
- ?>
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