More methods for NodeElement children manipulations

src/Behat/Mink/Element/NodeElement.php

@@ -54,7 +54,91 @@ public function getParent()
     {
         return $this->find('xpath', '..');
     }
-
+
+	/**
+	 * Returns All child elements(including descendant) to the current one.
+	 *
+	 * @return NodeElements|null
+	 */
+	public function getAllChildren()
+	{
+		return $this->findAll('xpath', 'descendant::*');
+	}
+
+	/**
+	 * Returns All direct child elements(NOT including deeper descendant) to the current one.
+	 *
+	 * @return NodeElements|null
+	 */
+	public function getDirectChildren()
+	{
+		return $this->findAll('xpath', 'child::*');
+	}
+
+	/**
+	 * Returns the first child element to the current one.
+	 *
+	 * @return NodeElement|null
+	 */
+	public function getFirstChild()
+	{
+		$elements = $this->findAll('xpath', 'child::*');
+		return $elements[0];
+	}
+
+	/**
+	 * Returns the last direct child element to the current one.
+	 *
+	 * @return NodeElement|null
+	 */
+	public function getLastChild()
+	{
+		$elements = $this->findAll('xpath', 'child::*');
+		return $elements[count($elements) - 1];
+	}
+
+	/**
+	 * Returns all preceding sibling elements to the current one.
+	 *
+	 * @return NodeElements|null
+	 */
+	public function getPreviousSiblings()
+	{
+		return $this->findAll('xpath', 'preceding-sibling::*');
+	}
+
+	/**
+	 * Returns the preceding sibling element close to the current one.
+	 *
+	 * @return NodeElement|null
+	 */
+	public function getPreviousSibling()
+	{
+		$elements = $this->findAll('xpath', 'preceding-sibling::*');
+		return $elements[count($elements) - 1];
+	}
+
+	/**
+	 * Returns all following sibling elements to the current one.
+	 *
+	 * @return NodeElements|null
+	 */
+	public function getNextSiblings()
+	{
+		return $this->findAll('xpath', 'following-sibling::*');
+	}
+
+	/**
+	 * Returns the following sibling element close to the current one.
+	 *
+	 * @return NodeElement|null
+	 */
+	public function getNextSibling()
+	{
+		$elements = $this->findAll('xpath', 'following-sibling::*');
+		return $elements[0];
+	}
+
     /**
      * Returns current node tag name.
      *

src/Behat/Mink/Element/TraversableElement.php

@@ -32,7 +32,31 @@ public function findById($id)
 
         return $this->find('named', array('id', $id));
     }
-
+
+	/**
+	 * Finds element by its name.
+	 *
+	 * @param string name element name
+	 * @return NodeElement|NodeElements|null
+	 */
+	public function findByName($name)
+	{
+		$name = $this->getSelectorsHandler()->xpathLiteral($name);
+		return $this->find('xpath', ".//*[@name=$name]");
+	}
+
+	/**
+	 * Finds elements by its tag.
+	 *
+	 * @param string tag element tag
+	 * @return NodeElements|null
+	 */
+	public function findByTag($tag)
+	{
+		$tag = $this->getSelectorsHandler()->xpathLiteral($tag);
+		return $this->findAll('css', $tag);
+	}
+
     /**
      * Checks whether element has a link with specified locator.
      *