65 lines
2.5 KiB
PHP
65 lines
2.5 KiB
PHP
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<?php
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/**
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* DefaultProcessor.php
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*
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* This file implements the processor the unparsed sql string given by the user.
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*
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* Copyright (c) 2010-2012, Justin Swanhart
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* with contributions by André Rothe <arothe@phosco.info, phosco@gmx.de>
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*/
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require_once(dirname(__FILE__) . '/AbstractProcessor.php');
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require_once(dirname(__FILE__) . '/UnionProcessor.php');
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require_once(dirname(__FILE__) . '/SQLProcessor.php');
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/**
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*
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* This class processes the incoming sql string.
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*
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* @author arothe
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*
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*/
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class DefaultProcessor extends AbstractProcessor {
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public function process($sql) {
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$inputArray = $this->splitSQLIntoTokens($sql);
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// this is the highest level lexical analysis. This is the part of the
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// code which finds UNION and UNION ALL query parts
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$processor = new UnionProcessor();
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$queries = $processor->process($inputArray);
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// If there was no UNION or UNION ALL in the query, then the query is
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// stored at $queries[0].
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if (!$processor->isUnion($queries)) {
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$processor = new SQLProcessor();
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$queries = $processor->process($queries[0]);
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}
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return $queries;
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}
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}
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?>
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