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<?php |
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/** |
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* @author @jayS-de <[email protected]> |
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*/ |
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namespace JaySDe\HandlebarsBundle; |
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use JaySDe\HandlebarsBundle\Cache\Filesystem; |
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use JaySDe\HandlebarsBundle\Error\LoaderException; |
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use JaySDe\HandlebarsBundle\Loader\FilesystemLoader; |
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use LightnCandy\LightnCandy; |
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use Symfony\Component\Config\Resource\FileResource; |
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class HandlebarsEnvironment |
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{ |
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/** |
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* @var array |
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*/ |
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protected $options; |
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/** |
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* @var Filesystem |
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*/ |
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protected $cache; |
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/** |
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* @var FilesystemLoader |
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*/ |
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protected $loader; |
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/** |
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* @var bool |
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*/ |
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protected $autoReload; |
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/** |
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* @var bool |
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*/ |
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protected $debug; |
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/** |
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* @var HandlebarsProfileExtension |
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*/ |
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private $profiler; |
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/** |
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* @var HandlebarsHelper |
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*/ |
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private $helper; |
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/** |
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* @var \ArrayObject |
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*/ |
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private $partials; |
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public function __construct( |
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FilesystemLoader $loader, |
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HandlebarsHelper $helper, |
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$options = [], |
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Filesystem $cache, |
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HandlebarsProfileExtension $profiler |
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) |
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{ |
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$this->loader = $loader; |
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$this->partials = $partials = new \ArrayObject(); |
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$this->helper = $helper; |
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$this->options = array_merge([ |
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'auto_reload' => null, |
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'debug' => true, |
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'helpers' => $helper->getHelperMethods(), |
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'partialresolver' => function($cx, $name) use ($loader, &$partials) { |
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$extension = false; |
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if ($loader->exists($name.'.handlebars')) { |
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$extension = '.handlebars'; |
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} else if ($loader->exists($name.'.hbs')) { |
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$extension = '.hbs'; |
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} |
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if ($extension === false) { |
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return null; |
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} |
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$partials[] = new FileResource($loader->getCacheKey($name.$extension)); |
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return $loader->getSource($name.$extension); |
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}, |
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], $options); |
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$this->debug = (bool) $this->options['debug']; |
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$this->autoReload = null === $this->options['auto_reload'] ? $this->debug : (bool) $this->options['auto_reload']; |
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$this->cache = $cache; |
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$this->profiler = $profiler; |
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} |
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public function compile($name) |
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{ |
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$source = $this->getLoader()->getSource($name); |
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$cacheKey = $this->getCacheFilename($name); |
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$phpStr = ''; |
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try { |
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$this->partials->exchangeArray([new FileResource($this->getLoader()->getCacheKey($name))]); |
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$phpStr = LightnCandy::compile($source, $this->options); |
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} catch (\Exception $e) { |
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throw new LoaderException($e->getMessage()); |
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} |
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$this->cache->write($cacheKey, '<?php // '.$name.PHP_EOL.$phpStr, $this->partials->getArrayCopy()); |
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return $phpStr; |
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} |
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public function render($name, array $context = []) |
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{ |
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$renderer = $this->loadTemplate($name); |
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$templateProfile = new \Twig_Profiler_Profile($name, \Twig_Profiler_Profile::TEMPLATE, $name); |
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$this->profiler->enter($templateProfile); |
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$html = $renderer($context, ['helpers' => $this->helper->getHelpers()]); |
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$this->profiler->leave($templateProfile); |
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return $html; |
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} |
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public function getCacheFilename($name) |
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{ |
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$key = $this->cache->generateKey($name); |
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return !$key ? false : $key; |
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} |
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public function getLoader() |
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{ |
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return $this->loader; |
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} |
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/** |
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* @param $templateName |
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* @return callable |
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*/ |
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public function loadTemplate($templateName) |
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{ |
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$name = (string) $templateName; |
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$cacheKey = $this->getCacheFilename($name); |
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if (!$this->isAutoReload() && file_exists($cacheKey)) { |
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return $this->cache->load($cacheKey); |
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} else if ($this->isAutoReload() && $this->cache->isFresh($cacheKey)) { |
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return $this->cache->load($cacheKey); |
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} |
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$this->compile($name); |
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return $this->cache->load($cacheKey); |
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} |
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/** |
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* Checks if the auto_reload option is enabled. |
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* |
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* @return bool true if auto_reload is enabled, false otherwise |
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*/ |
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public function isAutoReload() |
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{ |
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return $this->autoReload; |
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} |
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} |
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jenschude /
HandlebarsBundle
