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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 11:46:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 11:46:43 +0000
commit3e02d5aff85babc3ffbfcf52313f2108e313aa23 (patch)
treeb01f3923360c20a6a504aff42d45670c58af3ec5 /library/Icinga/Web/Dom/DomNodeIterator.php
parentInitial commit. (diff)
downloadicingaweb2-upstream.tar.xz
icingaweb2-upstream.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.php84
1 files changed, 84 insertions, 0 deletions
diff --git a/library/Icinga/Web/Dom/DomNodeIterator.php b/library/Icinga/Web/Dom/DomNodeIterator.php
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+++ b/library/Icinga/Web/Dom/DomNodeIterator.php
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+<?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());
+ }
+}