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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 11:46:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 11:46:43 +0000 |
commit | 3e02d5aff85babc3ffbfcf52313f2108e313aa23 (patch) | |
tree | b01f3923360c20a6a504aff42d45670c58af3ec5 /library/Icinga/Web/Dom/DomNodeIterator.php | |
parent | Initial commit. (diff) | |
download | icingaweb2-3e02d5aff85babc3ffbfcf52313f2108e313aa23.tar.xz icingaweb2-3e02d5aff85babc3ffbfcf52313f2108e313aa23.zip |
Adding upstream version 2.12.1.upstream/2.12.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'library/Icinga/Web/Dom/DomNodeIterator.php')
-rw-r--r-- | library/Icinga/Web/Dom/DomNodeIterator.php | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/library/Icinga/Web/Dom/DomNodeIterator.php b/library/Icinga/Web/Dom/DomNodeIterator.php new file mode 100644 index 0000000..1ea20b8 --- /dev/null +++ b/library/Icinga/Web/Dom/DomNodeIterator.php @@ -0,0 +1,84 @@ +<?php +/* Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */ + +namespace Icinga\Web\Dom; + +use DOMNode; +use IteratorIterator; +use RecursiveIterator; + +/** + * Recursive iterator over a DOMNode + * + * Usage example: + * <code> + * <?php + * + * namespace Icinga\Example; + * + * use DOMDocument; + * use RecursiveIteratorIterator; + * use Icinga\Web\Dom\DomIterator; + * + * $doc = new DOMDocument(); + * $doc->loadHTML(...); + * $dom = new RecursiveIteratorIterator(new DomNodeIterator($doc), RecursiveIteratorIterator::SELF_FIRST); + * foreach ($dom as $node) { + * .... + * } + * </code> + */ +class DomNodeIterator implements RecursiveIterator +{ + /** + * The node's children + * + * @var IteratorIterator + */ + protected $children; + + /** + * Create a new iterator over a DOMNode's children + * + * @param DOMNode $node + */ + public function __construct(DOMNode $node) + { + $this->children = new IteratorIterator($node->childNodes); + } + + public function current(): ?DOMNode + { + return $this->children->current(); + } + + public function key(): int + { + return $this->children->key(); + } + + public function next(): void + { + $this->children->next(); + } + + public function rewind(): void + { + $this->children->rewind(); + } + + public function valid(): bool + { + return $this->children->valid(); + } + + public function hasChildren(): bool + { + return $this->current()->hasChildNodes(); + } + + public function getChildren(): DomNodeIterator + { + return new static($this->current()); + } +} |