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<?php
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/**
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 * PHPUnit
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 *
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 * Copyright (c) 2002-2010, Sebastian Bergmann <sb@sebastian-bergmann.de>.
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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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 *
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 *   * 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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 *
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 *   * Redistributions in binary form must reproduce the above copyright
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 *     notice, this list of conditions and the following disclaimer in
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 *     the documentation and/or other materials provided with the
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 *     distribution.
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 *
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 *   * Neither the name of Sebastian Bergmann nor the names of his
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 *     contributors may be used to endorse or promote products derived
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 *     from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * 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
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 * POSSIBILITY OF SUCH DAMAGE.
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 *
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 * @category   Testing
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 * @package    PHPUnit
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 * @author     Mike Lively <m@digitalsandwich.com>
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 * @copyright  2002-2010 Sebastian Bergmann <sb@sebastian-bergmann.de>
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 * @license    http://www.opensource.org/licenses/bsd-license.php  BSD License
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 * @link       http://www.phpunit.de/
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 * @since      File available since Release 3.2.0
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 */
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require_once 'PHPUnit/Framework.php';
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require_once 'PHPUnit/Util/Filter.php';
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require_once 'PHPUnit/Extensions/Database/DataSet/ITableIterator.php';
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PHPUnit_Util_Filter::addFileToFilter(__FILE__, 'PHPUNIT');
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/**
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 * Provides iterative access to tables from a database instance.
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 *
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 * @category   Testing
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 * @package    PHPUnit
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 * @author     Mike Lively <m@digitalsandwich.com>
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 * @copyright  2010 Mike Lively <m@digitalsandwich.com>
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 * @license    http://www.opensource.org/licenses/bsd-license.php  BSD License
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 * @version    Release: 3.4.15
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 * @link       http://www.phpunit.de/
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 * @since      Class available since Release 3.2.0
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 */
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class PHPUnit_Extensions_Database_DB_TableIterator implements PHPUnit_Extensions_Database_DataSet_ITableIterator
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{
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    /**
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     * An array of tablenames.
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     *
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     * @var Array
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     */
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    protected $tableNames;
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    /**
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     * If this property is true then the tables will be iterated in reverse
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     * order.
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     *
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     * @var bool
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     */
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    protected $reverse;
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    /**
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     * The database dataset that this iterator iterates over.
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     *
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     * @var PHPUnit_Extensions_Database_DB_DataSet
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     */
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    protected $dataSet;
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    public function __construct($tableNames, PHPUnit_Extensions_Database_DB_DataSet $dataSet, $reverse = FALSE)
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    {
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        $this->tableNames = $tableNames;
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        $this->dataSet = $dataSet;
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        $this->reverse = $reverse;
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        $this->rewind();
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    }
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    /**
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     * Returns the current table.
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     *
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     * @return PHPUnit_Extensions_Database_DataSet_ITable
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     */
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    public function getTable()
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    {
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        return $this->current();
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    }
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    /**
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     * Returns the current table's meta data.
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     *
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     * @return PHPUnit_Extensions_Database_DataSet_ITableMetaData
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     */
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    public function getTableMetaData()
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    {
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        return $this->current()->getTableMetaData();
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    }
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    /**
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     * Returns the current table.
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     *
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     * @return PHPUnit_Extensions_Database_DataSet_ITable
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     */
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    public function current()
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    {
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        $tableName = current($this->tableNames);
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        return $this->dataSet->getTable($tableName);
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    }
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    /**
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     * Returns the name of the current table.
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     *
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     * @return string
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     */
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    public function key()
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    {
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        return $this->current()->getTableMetaData()->getTableName();
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    }
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    /**
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     * advances to the next element.
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     *
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     */
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    public function next()
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    {
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        if ($this->reverse) {
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            prev($this->tableNames);
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        } else {
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            next($this->tableNames);
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        }
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    }
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    /**
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     * Rewinds to the first element
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     */
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    public function rewind()
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    {
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        if ($this->reverse) {
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            end($this->tableNames);
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        } else {
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            reset($this->tableNames);
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        }
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    }
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    /**
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     * Returns true if the current index is valid
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     *
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     * @return bool
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     */
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    public function valid()
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    {
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        return (current($this->tableNames) !== FALSE);
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    }
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}
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?>