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| <?php | |
| /** | |
| * Pop PHP Framework (http://www.popphp.org/) | |
| * | |
| * @link https://github.com/popphp/popphp-framework | |
| * @author Nick Sagona, III <dev@nolainteractive.com> | |
| * @copyright Copyright (c) 2009-2020 NOLA Interactive, LLC. (http://www.nolainteractive.com) | |
| * @license http://www.popphp.org/license New BSD License | |
| */ | |
| /** | |
| * @namespace | |
| */ | |
| namespace Pop\Dom; | |
| /** | |
| * Abstract node class | |
| * | |
| * @category Pop | |
| * @package Pop\Dom | |
| * @author Nick Sagona, III <dev@nolainteractive.com> | |
| * @copyright Copyright (c) 2009-2020 NOLA Interactive, LLC. (http://www.nolainteractive.com) | |
| * @license http://www.popphp.org/license New BSD License | |
| * @version 3.2.7 | |
| */ | |
| abstract class AbstractNode | |
| { | |
| /** | |
| * Object child nodes | |
| * @var array | |
| */ | |
| protected $childNodes = []; | |
| /** | |
| * Indentation for formatting purposes | |
| * @var string | |
| */ | |
| protected $indent = null; | |
| /** | |
| * Child output | |
| * @var string | |
| */ | |
| protected $output = null; | |
| /** | |
| * Parent node | |
| * @var AbstractNode | |
| */ | |
| protected $parent = null; | |
| /** | |
| * Return the indent | |
| * | |
| * @return string | |
| */ | |
| public function getIndent() | |
| { | |
| return $this->indent; | |
| } | |
| /** | |
| * Set the indent | |
| * | |
| * @param string $indent | |
| * @return mixed | |
| */ | |
| public function setIndent($indent) | |
| { | |
| $this->indent = $indent; | |
| return $this; | |
| } | |
| /** | |
| * Return the parent node | |
| * | |
| * @return AbstractNode | |
| */ | |
| public function getParent() | |
| { | |
| return $this->parent; | |
| } | |
| /** | |
| * Set the parent node | |
| * | |
| * @param AbstractNode $parent | |
| * @return AbstractNode | |
| */ | |
| public function setParent(AbstractNode $parent) | |
| { | |
| $this->parent = $parent; | |
| return $this; | |
| } | |
| /** | |
| * Add a child to the object | |
| * | |
| * @param mixed $c | |
| * @throws \InvalidArgumentException | |
| * @return mixed | |
| */ | |
| public function addChild(Child $c) | |
| { | |
| $c->setParent($this); | |
| $this->childNodes[] = $c; | |
| return $this; | |
| } | |
| /** | |
| * Add children to the object | |
| * | |
| * @param $children | |
| * @throws Exception | |
| * @return mixed | |
| */ | |
| public function addChildren($children) | |
| { | |
| if (is_array($children)) { | |
| foreach ($children as $child) { | |
| $this->addChild($child); | |
| } | |
| } else if ($children instanceof Child) { | |
| $this->addChild($children); | |
| } else { | |
| throw new Exception( | |
| 'Error: The parameter passed must be an instance of Pop\Dom\Child or an array of Pop\Dom\Child instances.' | |
| ); | |
| } | |
| return $this; | |
| } | |
| /** | |
| * Get whether or not the child object has children | |
| * | |
| * @return boolean | |
| */ | |
| public function hasChildren() | |
| { | |
| return (count($this->childNodes) > 0); | |
| } | |
| /** | |
| * Get whether or not the child object has children (alias) | |
| * | |
| * @return boolean | |
| */ | |
| public function hasChildNodes() | |
| { | |
| return (count($this->childNodes) > 0); | |
| } | |
| /** | |
| * Get the child nodes of the object | |
| * | |
| * @param int $i | |
| * @return Child | |
| */ | |
| public function getChild($i) | |
| { | |
| return (isset($this->childNodes[(int)$i])) ? $this->childNodes[(int)$i] : null; | |
| } | |
| /** | |
| * Get the child nodes of the object | |
| * | |
| * @return array | |
| */ | |
| public function getChildren() | |
| { | |
| return $this->childNodes; | |
| } | |
| /** | |
| * Get the child nodes of the object (alias) | |
| * | |
| * @return array | |
| */ | |
| public function getChildNodes() | |
| { | |
| return $this->childNodes; | |
| } | |
| /** | |
| * Remove all child nodes from the object | |
| * | |
| * @param int $i | |
| * @return void | |
| */ | |
| public function removeChild($i) | |
| { | |
| if (isset($this->childNodes[$i])) { | |
| unset($this->childNodes[$i]); | |
| } | |
| } | |
| /** | |
| * Remove all child nodes from the object | |
| * | |
| * @return void | |
| */ | |
| public function removeChildren() | |
| { | |
| $this->childNodes = []; | |
| } | |
| } |