<?php/* @description     Transformation Style Sheets - Revolutionising PHP templating    * * @author          Tom Butler tom@r.je                                             * * @copyright       2017 Tom Butler <tom@r.je> | https://r.je/                      * * @license         http://www.opensource.org/licenses/bsd-license.php  BSD License * * @version         1.2                                                             */namespace Transphporm\Property;class Content implements \Transphporm\Property {	private $contentPseudo = [];	private $formatter;	public function __construct(\Transphporm\Hook\Formatter $formatter) {		$this->formatter = $formatter;	}	public function run(array $values, \DomElement $element, array $rules, \Transphporm\Hook\PseudoMatcher $pseudoMatcher, array $properties = []) {		if (!$this->shouldRun($element)) return false;		$values = $this->formatter->format($values, $rules);		if (!$this->processPseudo($values, $element, $pseudoMatcher)) {			//Remove the current contents			$this->removeAllChildren($element);			//Now make a text node			if ($this->getContentMode($rules) === 'replace') {				$contentReplace = new ContentReplace($this);				$contentReplace->replaceContent($element, $values);			}			else $this->appendContent($element, $values);		}	}	private function shouldRun($element) {		do {			if ($element->getAttribute('transphporm') == 'includedtemplate') return false;		}		while (($element = $element->parentNode) instanceof \DomElement);		return true;	}	private function getContentMode($rules) {		return (isset($rules['content-mode'])) ? $rules['content-mode']->read() : 'append';	}	public function addContentPseudo($name, ContentPseudo $contentPseudo) {		$this->contentPseudo[$name] = $contentPseudo;	}	private function processPseudo($value, $element, $pseudoMatcher) {		foreach ($this->contentPseudo as $pseudoName => $pseudoFunction) {			if ($pseudoMatcher->hasFunction($pseudoName)) {				$pseudoFunction->run($value, $pseudoMatcher->getFuncArgs($pseudoName, $element)[0], $element, $pseudoMatcher);				return true;			}		}		return false;	}	public function getNode($node, $document) {		foreach ($node as $n) {			if (is_array($n)) {				foreach ($this->getNode($n, $document) as $new) yield $new;			}			else {				yield $this->convertNode($n, $document);			}		}	}	private function convertNode($node, $document) {		if ($node instanceof \DomElement || $node instanceof \DOMComment) {			$new = $document->importNode($node, true);		}		else {			if ($node instanceof \DomText) $node = $node->nodeValue;			$new = $document->createElement('text');			$new->appendChild($document->createTextNode($node));			$new->setAttribute('transphporm', 'text');		}		return $new;	}	private function appendContent($element, $content) {		foreach ($this->getNode($content, $element->ownerDocument) as $node) {			$element->appendChild($node);		}	}	private function removeAllChildren($element) {		while ($element->hasChildNodes()) $element->removeChild($element->firstChild);	}