%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* CreateProcessor.php
*
* This file implements the processor for the CREATE TABLE statements.
*
* Copyright (c) 2010-2012, Justin Swanhart
* with contributions by André Rothe <arothe@phosco.info, phosco@gmx.de>
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
require_once dirname(__FILE__) . '/AbstractProcessor.php';
require_once dirname(__FILE__) . '/../utils/ExpressionType.php';
/**
*
* This class processes the CREATE statements.
*
* @author arothe
*
*/
class CreateProcessor extends AbstractProcessor {
public function process($tokens) {
$result = array();
$base_expr = "";
foreach ($tokens as $token) {
$trim = strtoupper(trim($token));
$base_expr .= $token;
if ($trim === "") {
continue;
}
switch ($trim) {
case 'TEMPORARY':
$result['expr_type'] = ExpressionType::TEMPORARY_TABLE;
$result['not-exists'] = false;
$expr[] = array('expr_type' => ExpressionType::RESERVED, 'base_expr' => $trim);
break;
case 'TABLE':
$result['expr_type'] = ExpressionType::TABLE;
$result['not-exists'] = false;
$expr[] = array('expr_type' => ExpressionType::RESERVED, 'base_expr' => $trim);
break;
case 'IF':
$expr[] = array('expr_type' => ExpressionType::RESERVED, 'base_expr' => $trim);
break;
case 'NOT':
$expr[] = array('expr_type' => ExpressionType::RESERVED, 'base_expr' => $trim);
break;
case 'EXISTS':
$result['not-exists'] = true;
$expr[] = array('expr_type' => ExpressionType::RESERVED, 'base_expr' => $trim);
break;
default:
break;
}
}
$result['base_expr'] = trim($base_expr);
$result['sub_tree'] = $expr;
return $result;
}
}
?>
Zerion Mini Shell 1.0