105 lines
4.0 KiB
PHP
105 lines
4.0 KiB
PHP
<?php
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/**
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* CreateTableOptionsBuilder.php
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*
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* Builds the table-options statement part of CREATE TABLE.
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*
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* PHP version 5
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*
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* LICENSE:
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* Copyright (c) 2010-2014 Justin Swanhart and André Rothe
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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
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @author André Rothe <andre.rothe@phosco.info>
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* @copyright 2010-2014 Justin Swanhart and André Rothe
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* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
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* @version SVN: $Id: CreateTableOptionsBuilder.php 923 2014-01-08 12:20:30Z phosco@gmx.de $
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*
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*/
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require_once dirname(__FILE__) . '/../utils/ExpressionType.php';
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require_once dirname(__FILE__) . '/SelectExpressionBuilder.php';
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require_once dirname(__FILE__) . '/CharacterSetBuilder.php';
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require_once dirname(__FILE__) . '/CollationBuilder.php';
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/**
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* This class implements the builder for the table-options statement part of CREATE TABLE.
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* You can overwrite all functions to achieve another handling.
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*
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* @author André Rothe <andre.rothe@phosco.info>
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* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
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*
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*/
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class CreateTableOptionsBuilder {
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protected function buildExpression($parsed) {
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$builder = new SelectExpressionBuilder();
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return $builder->build($parsed);
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}
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protected function buildCharacterSet($parsed) {
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$builder = new CharacterSetBuilder();
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return $builder->build($parsed);
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}
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protected function buildCollation($parsed) {
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$builder = new CollationBuilder();
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return $builder->build($parsed);
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}
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/**
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* Returns a well-formatted delimiter string. If you don't need nice SQL,
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* you could simply return $parsed['delim'].
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*
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* @param array $parsed The part of the output array, which contains the current expression.
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* @return a string, which is added right after the expression
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*/
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protected function getDelimiter($parsed) {
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return ($parsed['delim'] === false ? '' : (trim($parsed['delim']) . ' '));
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}
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public function build($parsed) {
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if (!isset($parsed['options']) || $parsed['options'] === false) {
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return "";
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}
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$options = $parsed['options'];
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$sql = "";
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foreach ($options as $k => $v) {
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$len = strlen($sql);
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$sql .= $this->buildExpression($v);
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$sql .= $this->buildCharacterSet($v);
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$sql .= $this->buildCollation($v);
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if ($len == strlen($sql)) {
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throw new UnableToCreateSQLException('CREATE TABLE options', $k, $v, 'expr_type');
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}
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$sql .= $this->getDelimiter($v);
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}
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return " " . substr($sql, 0, -1);
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}
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}
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?>
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