<?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\SheetLoader;//Separates out TSS file loading/caching from parsingclass SheetLoader {    private $tss;    private $filePath;    private $time;    private $import = [];    public function __construct(\Transphporm\Cache $cache, \Transphporm\FilePath $filePath, TSSRules $tss, $time) {    	$this->cache = $cache;        $this->filePath = $filePath;        $this->tss = $tss;        $this->time = isset($time) ? $time : time();    }	//Allows controlling whether any updates are required to the template	//e.g. return false	//	 1. If all update-frequencies  haven't expired	//   2. If the data hasn't changed since the last run	//If this function returns false, the rendered template is sent straight from the cache skipping 99% of transphporm's code	public function updateRequired($data) {		return $this->tss->updateRequired($data);	}	public function addImport($import) {		$this->filePath->addPath(dirname(realpath($this->filePath->getFilePath($import))));		$this->import[] = $import;	}	public function setCacheKey($tokens) {		$newTokens = [];		foreach ($tokens as $token) {			if ($token['type'] == \Transphporm\Parser\Tokenizer::NAME && $token['value'] == 'data') {				$tokens->next();				$newTokens = array_merge($newTokens, iterator_to_array($tokens->current()['value']));			}			else $newTokens[] = $token;		}		$this->tss->setCacheKey(new \Transphporm\Parser\Tokens($newTokens));	}	public function getCacheKey($data) {		return $this->tss->getCacheKey($data);	}	public function processRules($template, \Transphporm\Config $config) {		$rules = $this->getRules($config->getCssToXpath(), $config->getValueParser());		usort($rules, [$this, 'sortRules']);		foreach ($rules as $rule) {			if ($rule->shouldRun($this->time)) $this->executeTssRule($rule, $template, $config);		}		//if (is_file($this->tss)) $this->write($this->tss, $rules, $this->import);		$this->tss->write($rules, $this->import);	}	//Load the TSS	public function getRules($cssToXpath, $valueParser, $indexStart = 0) {		return $this->tss->getRules($cssToXpath, $valueParser, $this, $indexStart);	}	//Process a TSS rule e.g. `ul li {content: "foo"; format: bar}	private function executeTssRule($rule, $template, $config) {		$rule->touch();		$lineref = $config->getLine();		$pseudoMatcher = $config->createPseudoMatcher($rule->pseudo);		$hook = new \Transphporm\Hook\PropertyHook($rule->properties, $lineref, $rule->file, $rule->line, $pseudoMatcher, $config->getValueParser(), $config->getFunctionSet(), $config->getFilePath());		$config->loadProperties($hook);		$template->addHook($rule->query, $hook);	}	private function sortRules($a, $b) {		//If they have the same depth, compare on index		if ($a->query === $b->query) return $this->sortPseudo($a, $b);		if ($a->depth === $b->depth) $property = 'index';		else $property = 'depth';		return ($a->$property < $b->$property) ? -1 : 1;	}	private function sortPseudo($a, $b) {		return count($a->pseudo) > count($b->pseudo)  ? 1 : -1;	}}