TableExpressionBuilder.php
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<?php
/**
* TableExpressionBuilder.php
*
* Builds the table name/join options.
*
* PHP version 5
*
* LICENSE:
* Copyright (c) 2010-2014 Justin Swanhart and 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 Justin Swanhart and André Rothe
* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
* @version SVN: $Id$
*
*/
namespace PHPSQLParser\builders;
use PHPSQLParser\utils\ExpressionType;
/**
* This class implements the builder for the table name and join options.
* You can overwrite all functions to achieve another handling.
*
* @author André Rothe <andre.rothe@phosco.info>
* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
*
*/
class TableExpressionBuilder implements Builder {
protected function buildFROM($parsed) {
$builder = new FromBuilder();
return $builder->build($parsed);
}
protected function buildAlias($parsed) {
$builder = new AliasBuilder();
return $builder->build($parsed);
}
protected function buildJoin($parsed) {
$builder = new JoinBuilder();
return $builder->build($parsed);
}
protected function buildRefType($parsed) {
$builder = new RefTypeBuilder();
return $builder->build($parsed);
}
protected function buildRefClause($parsed) {
$builder = new RefClauseBuilder();
return $builder->build($parsed);
}
public function build(array $parsed, $index = 0) {
if ($parsed['expr_type'] !== ExpressionType::TABLE_EXPRESSION) {
return '';
}
$sql = substr($this->buildFROM($parsed['sub_tree']), 5); // remove FROM keyword
$sql = '(' . $sql . ')';
$sql .= $this->buildAlias($parsed);
if ($index !== 0) {
$sql = $this->buildJoin($parsed['join_type']) . $sql;
$sql .= $this->buildRefType($parsed['ref_type']);
$sql .= $parsed['ref_clause'] === false ? '' : $this->buildRefClause($parsed['ref_clause']);
}
return $sql;
}
}
?>