<?php

/**
 * PHPSQLCreator.php
 *
 * A creator, which generates SQL from the output of PHPSQLParser.
 *
 * PHP version 5
 *
 * LICENSE:
 * Copyright (c) 2010-2014 André Rothe
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 * 
 * @author    André Rothe <andre.rothe@phosco.info>
 * @copyright 2010-2014 André Rothe
 * @license   http://www.debian.org/misc/bsd.license  BSD License (3 Clause)
 * @version   SVN: $Id$
 * 
 */
namespace WPDT\PHPSQLParser;

use WPDT\PHPSQLParser\exceptions\UnsupportedFeatureException;
use WPDT\PHPSQLParser\builders\SelectStatementBuilder;
use WPDT\PHPSQLParser\builders\DeleteStatementBuilder;
use WPDT\PHPSQLParser\builders\TruncateStatementBuilder;
use WPDT\PHPSQLParser\builders\UpdateStatementBuilder;
use WPDT\PHPSQLParser\builders\InsertStatementBuilder;
use WPDT\PHPSQLParser\builders\CreateStatementBuilder;
use WPDT\PHPSQLParser\builders\DropStatementBuilder;
use WPDT\PHPSQLParser\builders\RenameStatementBuilder;
use WPDT\PHPSQLParser\builders\ReplaceStatementBuilder;
use WPDT\PHPSQLParser\builders\ShowStatementBuilder;
use WPDT\PHPSQLParser\builders\BracketStatementBuilder;
use WPDT\PHPSQLParser\builders\UnionStatementBuilder;
use WPDT\PHPSQLParser\builders\UnionAllStatementBuilder;
use WPDT\PHPSQLParser\builders\AlterStatementBuilder;
/**
 * This class generates SQL from the output of the PHPSQLParser. 
 *
 * @author  André Rothe <andre.rothe@phosco.info>
 * @license http://www.debian.org/misc/bsd.license  BSD License (3 Clause)
 *  
 */
class PHPSQLCreator
{
    public $created;
    public function __construct($parsed = \false)
    {
        if ($parsed) {
            $this->create($parsed);
        }
    }
    public function create($parsed)
    {
        $k = \key($parsed);
        switch ($k) {
            case 'UNION':
                $builder = new UnionStatementBuilder();
                $this->created = $builder->build($parsed);
                break;
            case 'UNION ALL':
                $builder = new UnionAllStatementBuilder();
                $this->created = $builder->build($parsed);
                break;
            case 'SELECT':
                $builder = new SelectStatementBuilder();
                $this->created = $builder->build($parsed);
                break;
            case 'INSERT':
                $builder = new InsertStatementBuilder();
                $this->created = $builder->build($parsed);
                break;
            case 'REPLACE':
                $builder = new ReplaceStatementBuilder();
                $this->created = $builder->build($parsed);
                break;
            case 'DELETE':
                $builder = new DeleteStatementBuilder();
                $this->created = $builder->build($parsed);
                break;
            case 'TRUNCATE':
                $builder = new TruncateStatementBuilder();
                $this->created = $builder->build($parsed);
                break;
            case 'UPDATE':
                $builder = new UpdateStatementBuilder();
                $this->created = $builder->build($parsed);
                break;
            case 'RENAME':
                $builder = new RenameStatementBuilder();
                $this->created = $builder->build($parsed);
                break;
            case 'SHOW':
                $builder = new ShowStatementBuilder();
                $this->created = $builder->build($parsed);
                break;
            case 'CREATE':
                $builder = new CreateStatementBuilder();
                $this->created = $builder->build($parsed);
                break;
            case 'BRACKET':
                $builder = new BracketStatementBuilder();
                $this->created = $builder->build($parsed);
                break;
            case 'DROP':
                $builder = new DropStatementBuilder();
                $this->created = $builder->build($parsed);
                break;
            case 'ALTER':
                $builder = new AlterStatementBuilder();
                $this->created = $builder->build($parsed);
                break;
            default:
                throw new UnsupportedFeatureException($k);
                break;
        }
        return $this->created;
    }
}
