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