DiffDOMUtils.php
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DiffDOMUtils.php
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	<?php
	declare( strict_types = 1 );

	namespace Wikimedia\Parsoid\Ext;

	use Wikimedia\Parsoid\DOM\Node;
	use Wikimedia\Parsoid\Utils\DiffDOMUtils as DDU;

	/**
	*/
	class DiffDOMUtils {

	/**
	* Test the number of children this node has without using
	* `DOMNode::$childNodes->count()`. This walks the sibling list and so
	* takes O(`nchildren`) time -- so `nchildren` is expected to be small
	* (say: 0, 1, or 2).
	*
	* Skips all diff markers by default.
	* @param Node $node
	* @param int $nchildren
	* @param bool $countDiffMarkers
	* @return bool
	*/
	public static function hasNChildren(
	Node $node, int $nchildren, bool $countDiffMarkers = false
	): bool {
	return DDU::hasNChildren( $node, $nchildren, $countDiffMarkers );
	}

	/**
	* Get the first child element or non-IEW text node, ignoring
	* whitespace-only text nodes, comments, and deleted nodes.
	*
	* @param Node $node
	* @return Node\|null
	*/
	public static function firstNonSepChild( Node $node ): ?Node {
	return DDU::firstNonSepChild( $node );
	}

	/**
	* Get the next non separator sibling node.
	*
	* @param Node $node
	* @return Node\|null
	*/
	public static function nextNonSepSibling( Node $node ): ?Node {
	return DDU::nextNonSepSibling( $node );
	}

	}