<?php
/**
 * PHPUnit
 *
 * Copyright (c) 2002-2008, Sebastian Bergmann <sb@sebastian-bergmann.de>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * 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.
 *
 *   * Neither the name of Sebastian Bergmann nor the names of his
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "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
 * COPYRIGHT OWNER OR CONTRIBUTORS 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.
 *
 * @category   Testing
 * @package    PHPUnit
 * @author     Mike Lively <m@digitalsandwich.com>
 * @copyright  2002-2008 Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @license    http://www.opensource.org/licenses/bsd-license.php  BSD License
 * @version    SVN: $Id: XmlDataSet.php 1985 2007-12-26 18:11:55Z sb $
 * @link       http://www.phpunit.de/
 * @since      File available since Release 3.2.0
 */

require_once 'PHPUnit/Framework.php';
require_once 'PHPUnit/Util/Filter.php';

require_once 'PHPUnit/Extensions/Database/DataSet/AbstractXmlDataSet.php';

PHPUnit_Util_Filter::addFileToFilter(__FILE__, 'PHPUNIT');

/**
 * The default implementation of a data set.
 *
 * @category   Testing
 * @package    PHPUnit
 * @author     Mike Lively <m@digitalsandwich.com>
 * @copyright  2008 Mike Lively <m@digitalsandwich.com>
 * @license    http://www.opensource.org/licenses/bsd-license.php  BSD License
 * @version    Release: 3.2.9
 * @link       http://www.phpunit.de/
 * @since      Class available since Release 3.2.0
 */
class PHPUnit_Extensions_Database_DataSet_XmlDataSet extends PHPUnit_Extensions_Database_DataSet_AbstractXmlDataSet {

  protected function getTableInfo(Array &$tableColumns, Array &$tableValues) {
    if ($this->xmlFileContents->getName() != 'dataset') {
      throw new Exception("The root element of a flat xml file must be called <dataset>");
    }
    
    foreach ($this->xmlFileContents->xpath('/dataset/table') as $tableElement) {
      if (empty($tableElement['name'])) {
        throw new Exception("Table elements must include a name attribute specifying the table name.");
      }
      
      $tableName = (string)$tableElement['name'];
      
      if (! isset($tableColumns[$tableName])) {
        $tableColumns[$tableName] = array();
      }
      
      if (! isset($tableValues[$tableName])) {
        $tableValues[$tableName] = array();
      }
      
      $tableInstanceColumns = array();
      
      foreach ($tableElement->xpath('./column') as $columnElement) {
        $columnName = (string)$columnElement;
        if (empty($columnName)) {
          throw new Exception("column elements cannot be empty");
        }
        
        if (! in_array($columnName, $tableColumns[$tableName])) {
          $tableColumns[$tableName][] = $columnName;
        }
        
        $tableInstanceColumns[] = $columnName;
      }
      
      foreach ($tableElement->xpath('./row') as $rowElement) {
        $rowValues = array();
        $index = 0;
        foreach ($rowElement->children() as $columnValue) {
          switch ($columnValue->getName()) {
            case 'value':
              $rowValues[$tableInstanceColumns[$index]] = (string)$columnValue;
              $index ++;
              break;
            case 'null':
              $rowValues[$tableInstanceColumns[$index]] = null;
              $index ++;
              break;
            default:
              throw new Exception("Unknown child in the a row element.");
          }
        }
        
        $tableValues[$tableName][] = $rowValues;
      }
    }
  }

}
?>