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<?php |
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declare(strict_types = 1); |
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namespace Phauthentic\Presentation\Renderer; |
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use Phauthentic\Presentation\Renderer\Exception\MissingTemplateException; |
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use Phauthentic\Presentation\View\ViewInterface; |
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use LightnCandy\LightnCandy; |
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use Psr\Cache\CacheItemPoolInterface; |
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/** |
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* php Lightncandy template engine adapter |
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* |
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* @link https://github.com/zordius/lightncandy |
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*/ |
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class LightnCandyRenderer implements RendererInterface |
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{ |
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/** |
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* Root folder for the template files |
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* |
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* @var string |
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*/ |
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protected $templateRoot; |
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/** |
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* @var \Psr\Cache\CacheItemPoolInterface |
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*/ |
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protected $cache; |
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/** |
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* Flags |
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* |
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* @var array |
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*/ |
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protected $flags = []; |
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/** |
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* Helpers |
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* |
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* @var array |
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*/ |
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protected $helpers = []; |
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/** |
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* Constructor |
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* |
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* @param string $templateRoot Template Root |
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* @param|null \Psr\Cache\CacheItemPoolInterface $cacheItemPool PSR Cache Item Pool |
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*/ |
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public function __construct( |
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string $templateRoot, |
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?CacheItemPoolInterface $cacheItemPool |
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) { |
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$this->templateRoot = $templateRoot; |
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$this->cache = $cacheItemPool; |
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} |
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/** |
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* Set flags |
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* |
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* @param array $flags Flags |
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* @return $this |
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*/ |
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public function setFlags(array $flags): self |
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{ |
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$this->flags = $flags; |
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} |
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/** |
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* Sets the helpers |
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* |
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* @param array $helpers Helpers |
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* @return $this |
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*/ |
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public function setHelpers(array $helpers) |
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{ |
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$this->helpers = $helpers; |
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return $this; |
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} |
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/** |
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* @param string $name Name |
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* @param mixed $helper |
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* @return $this; |
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*/ |
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public function addHelper(string $name, $helper) |
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{ |
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$this->helpers[$name] = $helper; |
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return $this; |
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} |
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/** |
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* Gets the template file from the view DTO object |
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* |
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* @param \Phauthentic\Presentation\Renderer\ViewInterface |
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* @return string |
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*/ |
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public function getTemplateFile(ViewInterface $view): string |
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{ |
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$path = $view->getTemplatePath(); |
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$path = Utility::sanitizePath($path); |
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$template = $this->templateRoot . DIRECTORY_SEPARATOR . $path . $view->getTemplate() . '.html'; |
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if (!is_file($template)) { |
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throw new MissingTemplateException('Template file missing: ' . $template); |
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} |
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return $template; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function renderTemplate($template, $viewVars): string |
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{ |
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$tmpDir = sys_get_temp_dir(); |
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$templateHash = hash_file('sha1', $template); |
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$cachedTemplateFile = $tmpDir . DIRECTORY_SEPARATOR . sha1($template) . '-' . $templateHash; |
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if (!file_exists($cachedTemplateFile)) { |
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$templateString = file_get_contents($template); |
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$phpTemplateString = LightnCandy::compile($templateString, [ |
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'flags' => $this->flags, |
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'helpers' => $this->helpers |
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]); |
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file_put_contents($cachedTemplateFile, '<?php ' . $phpTemplateString . '?>'); |
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} |
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ob_start(); |
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$renderer = require $cachedTemplateFile; |
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$content = $renderer($viewVars); |
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ob_end_clean(); |
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return $content; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function render(ViewInterface $view): string |
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{ |
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$template = $this->getTemplateFile($view); |
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return $this->renderTemplate($template, $view->getViewVars()); |
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} |
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} |
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Phauthentic /
presentation
Loading history...
For hinted functions/methods where all return statements with the correct type are only reachable via conditions, ?null? gets implicitly returned which may be incompatible with the hinted type. Let?s take a look at an example: