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<?php
/**
* PHP_CodeCoverage
*
* Copyright (c) 2009-2013, Sebastian Bergmann <sebastian@phpunit.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 PHP
* @package CodeCoverage
* @author Sebastian Bergmann <sebastian@phpunit.de>
* @copyright 2009-2013 Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @link http://github.com/sebastianbergmann/php-code-coverage
* @since File available since Release 1.1.0
*/
/**
* Recursive iterator for PHP_CodeCoverage_Report_Node object graphs.
*
* @category PHP
* @package CodeCoverage
* @author Sebastian Bergmann <sebastian@phpunit.de>
* @copyright 2009-2013 Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @link http://github.com/sebastianbergmann/php-code-coverage
* @since Class available since Release 1.1.0
*/
class PHP_CodeCoverage_Report_Node_Iterator implements RecursiveIterator
{
/**
* @var integer
*/
protected $position;
/**
* @var PHP_CodeCoverage_Report_Node[]
*/
protected $nodes;
/**
* Constructor.
*
* @param PHP_CodeCoverage_Report_Node_Directory $node
*/
public function __construct(PHP_CodeCoverage_Report_Node_Directory $node)
{
$this->nodes = $node->getChildNodes();
}
/**
* Rewinds the Iterator to the first element.
*
*/
public function rewind()
{
$this->position = 0;
}
/**
* Checks if there is a current element after calls to rewind() or next().
*
* @return boolean
*/
public function valid()
{
return $this->position < count($this->nodes);
}
/**
* Returns the key of the current element.
*
* @return integer
*/
public function key()
{
return $this->position;
}
/**
* Returns the current element.
*
* @return PHPUnit_Framework_Test
*/
public function current()
{
return $this->valid() ? $this->nodes[$this->position] : NULL;
}
/**
* Moves forward to next element.
*
*/
public function next()
{
$this->position++;
}
/**
* Returns the sub iterator for the current element.
*
* @return PHP_CodeCoverage_Report_Node_Iterator
*/
public function getChildren()
{
return new PHP_CodeCoverage_Report_Node_Iterator(
$this->nodes[$this->position]
);
}
/**
* Checks whether the current element has children.
*
* @return boolean
*/
public function hasChildren()
{
return $this->nodes[$this->position] instanceof PHP_CodeCoverage_Report_Node_Directory;
}
}
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