--- /dev/null
+<?php
+/*
+ * This file is part of the PHP_CodeCoverage package.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Recursive iterator for PHP_CodeCoverage_Report_Node object graphs.
+ *
+ * @since Class available since Release 1.1.0
+ */
+class PHP_CodeCoverage_Report_Node_Iterator implements RecursiveIterator
+{
+ /**
+ * @var int
+ */
+ 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 bool
+ */
+ public function valid()
+ {
+ return $this->position < count($this->nodes);
+ }
+
+ /**
+ * Returns the key of the current element.
+ *
+ * @return int
+ */
+ 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 self(
+ $this->nodes[$this->position]
+ );
+ }
+
+ /**
+ * Checks whether the current element has children.
+ *
+ * @return bool
+ */
+ public function hasChildren()
+ {
+ return $this->nodes[$this->position] instanceof PHP_CodeCoverage_Report_Node_Directory;
+ }
+}