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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 3.4.0
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 */
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/**
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 * Represents arguments received from a medium.
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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 3.4.0
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 */
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class PHPUnit_Extensions_Database_UI_Modes_ExportDataSet_Arguments
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{
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    /**
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     * @var array
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     */
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    protected $arguments = array();
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    /**
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     * @param array $arguments
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     */
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    public function __construct(array $arguments)
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    {
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        foreach ($arguments as $argument) {
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            list($argName, $argValue) = explode('=', $argument, 2);
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            $argName = trim($argName, '-');
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            if (!isset($this->arguments[$argName])) {
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                $this->arguments[$argName] = array();
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            }
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            $this->arguments[$argName][] = $argValue;
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        }
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    }
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    /**
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     * Returns an array of arguments matching the given $argName
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     *
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     * @param string $argName
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     * @return array
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     */
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    public function getArgumentArray($argName)
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    {
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        if ($this->argumentIsSet($argName)) {
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            return $this->arguments[$argName];
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        } else {
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            return NULL;
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        }
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    }
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    /**
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     * Returns a single argument value.
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     *
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     * If $argName points to an array the first argument will be returned.
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     *
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     * @param string $argName
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     * @return mixed
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     */
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    public function getSingleArgument($argName)
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    {
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        if ($this->argumentIsSet($argName)) {
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            return reset($this->arguments[$argName]);
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        } else {
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            return NULL;
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        }
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    }
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    /**
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     * Returns whether an argument is set.
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     *
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     * @param string $argName
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     * @return bool
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     */
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    public function argumentIsSet($argName)
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    {
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        return array_key_exists($argName, $this->arguments);
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    }
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    /**
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     * Returns an array containing the names of all arguments provided.
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     *
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     * @return array
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     */
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    public function getArgumentNames()
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    {
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        return array_keys($this->arguments);
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    }
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    /**
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     * Returns an array of database arguments keyed by name.
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     *
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     * @todo this should be moved.
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     * @return array
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     */
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    public function getDatabases()
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    {
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        $databases = $this->getArgumentArray('database');
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        $retDb = array();
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        foreach ($databases as $db) {
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            list($name, $arg) = explode(':', $db, 2);
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            $retDb[$name] = $arg;
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        }
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        return $retDb;
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    }
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}
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?>