comparison vendor/phpunit/php-code-coverage/src/Node/Iterator.php @ 14:1fec387a4317

Update Drupal core to 8.5.2 via Composer
author Chris Cannam
date Mon, 23 Apr 2018 09:46:53 +0100
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13:5fb285c0d0e3 14:1fec387a4317
1 <?php
2 /*
3 * This file is part of the php-code-coverage package.
4 *
5 * (c) Sebastian Bergmann <sebastian@phpunit.de>
6 *
7 * For the full copyright and license information, please view the LICENSE
8 * file that was distributed with this source code.
9 */
10
11 namespace SebastianBergmann\CodeCoverage\Node;
12
13 /**
14 * Recursive iterator for node object graphs.
15 */
16 class Iterator implements \RecursiveIterator
17 {
18 /**
19 * @var int
20 */
21 private $position;
22
23 /**
24 * @var AbstractNode[]
25 */
26 private $nodes;
27
28 /**
29 * @param Directory $node
30 */
31 public function __construct(Directory $node)
32 {
33 $this->nodes = $node->getChildNodes();
34 }
35
36 /**
37 * Rewinds the Iterator to the first element.
38 */
39 public function rewind()
40 {
41 $this->position = 0;
42 }
43
44 /**
45 * Checks if there is a current element after calls to rewind() or next().
46 *
47 * @return bool
48 */
49 public function valid()
50 {
51 return $this->position < \count($this->nodes);
52 }
53
54 /**
55 * Returns the key of the current element.
56 *
57 * @return int
58 */
59 public function key()
60 {
61 return $this->position;
62 }
63
64 /**
65 * Returns the current element.
66 *
67 * @return \PHPUnit_Framework_Test
68 */
69 public function current()
70 {
71 return $this->valid() ? $this->nodes[$this->position] : null;
72 }
73
74 /**
75 * Moves forward to next element.
76 */
77 public function next()
78 {
79 $this->position++;
80 }
81
82 /**
83 * Returns the sub iterator for the current element.
84 *
85 * @return Iterator
86 */
87 public function getChildren()
88 {
89 return new self(
90 $this->nodes[$this->position]
91 );
92 }
93
94 /**
95 * Checks whether the current element has children.
96 *
97 * @return bool
98 */
99 public function hasChildren()
100 {
101 return $this->nodes[$this->position] instanceof Directory;
102 }
103 }