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<?php |
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namespace Brendt\Stitcher; |
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use AsyncInterop\Promise; |
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use Brendt\Stitcher\Adapter\Adapter; |
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use Brendt\Stitcher\Exception\InvalidSiteException; |
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use Brendt\Stitcher\Exception\TemplateNotFoundException; |
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use Brendt\Stitcher\Factory\ParserFactory; |
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use Brendt\Stitcher\Factory\TemplateEngineFactory; |
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use Brendt\Stitcher\Site\Page; |
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use Brendt\Stitcher\Site\Site; |
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use Symfony\Component\Config\FileLocator; |
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use Symfony\Component\DependencyInjection\ContainerBuilder; |
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use Symfony\Component\DependencyInjection\Loader\YamlFileLoader; |
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use Symfony\Component\Filesystem\Filesystem; |
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use Symfony\Component\Finder\Finder; |
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use Symfony\Component\Finder\SplFileInfo; |
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use Symfony\Component\Yaml\Exception\ParseException; |
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use Symfony\Component\Yaml\Yaml; |
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/** |
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* The Stitcher class is the core compiler of every Stitcher application. This class takes care of all routes, pages, |
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* templates and data, and "stitches" everything together. |
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* |
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* The stitching process is done in several steps, with the final result being a fully rendered website in the |
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* `directories.public` folder. |
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*/ |
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class Stitcher |
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{ |
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/** |
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* @var ContainerBuilder |
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*/ |
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protected static $container; |
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/** |
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* @var array |
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*/ |
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protected static $configDefaults = [ |
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'directories.src' => './src', |
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'directories.public' => './public', |
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'directories.cache' => './.cache', |
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'meta' => [], |
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'minify' => false, |
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'engines.template' => 'smarty', |
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'engines.image' => 'gd', |
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'engines.optimizer' => true, |
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'engines.async' => true, |
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'caches.image' => true, |
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'optimizer.options' => [], |
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]; |
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/** |
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* A collection of promises representing Stitcher's state. |
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* |
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* @var Promise[] |
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*/ |
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private $promises = []; |
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/** |
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* @var string |
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*/ |
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private $srcDir; |
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/** |
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* @var string |
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*/ |
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private $publicDir; |
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/** |
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* @var string |
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*/ |
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private $templateDir; |
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/** |
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* @see \Brendt\Stitcher\Stitcher::create() |
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* |
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* @param string $srcDir |
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* @param string $publicDir |
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* @param string $templateDir |
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*/ |
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private function __construct(?string $srcDir = './src', ?string $publicDir = './public', ?string $templateDir = './src/template') { |
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$this->srcDir = $srcDir; |
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$this->publicDir = $publicDir; |
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$this->templateDir = $templateDir; |
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} |
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/** |
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* Static constructor |
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* |
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* @param string $configPath |
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* @param array $defaultConfig |
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* |
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* @return Stitcher |
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* |
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*/ |
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public static function create(string $configPath = './config.yml', array $defaultConfig = []) : Stitcher { |
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self::$container = new ContainerBuilder(); |
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$configPathParts = explode('/', $configPath); |
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$configFileName = array_pop($configPathParts); |
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$configPath = implode('/', $configPathParts) . '/'; |
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$configFiles = Finder::create()->files()->in($configPath)->name($configFileName)->depth(0); |
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$srcDir = null; |
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$publicDir = null; |
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$templateDir = null; |
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/** @var SplFileInfo $configFile */ |
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foreach ($configFiles as $configFile) { |
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$fileConfig = Yaml::parse($configFile->getContents()); |
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$config = array_merge( |
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self::$configDefaults, |
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Config::flatten($fileConfig), |
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$defaultConfig |
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); |
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$flatConfig = Config::flatten($config); |
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$flatConfig['directories.template'] = $flatConfig['directories.template'] ?? $flatConfig['directories.src']; |
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foreach ($flatConfig as $key => $value) { |
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self::$container->setParameter($key, $value); |
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} |
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$srcDir = $flatConfig['directories.src'] ?? $srcDir; |
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$publicDir = $flatConfig['directories.public'] ?? $publicDir; |
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$templateDir = $flatConfig['directories.template'] ?? $templateDir; |
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if (isset($fileConfig['meta'])) { |
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self::$container->setParameter('meta', $fileConfig['meta']); |
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} |
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} |
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$stitcher = new self($srcDir, $publicDir, $templateDir); |
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self::$container->set('stitcher', $stitcher); |
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$serviceLoader = new YamlFileLoader(self::$container, new FileLocator(__DIR__)); |
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$serviceLoader->load('services.yml'); |
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return $stitcher; |
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} |
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/** |
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* @param string $id |
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* |
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* @return mixed |
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*/ |
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public static function get(string $id) { |
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return self::$container->get($id); |
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} |
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/** |
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* @param string $key |
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* |
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* @return mixed |
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*/ |
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public static function getParameter(string $key) { |
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return self::$container->getParameter($key); |
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} |
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/** |
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* The core stitcher function. This function will compile the configured site and return an array of parsed |
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* data. |
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* |
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* Compiling a site is done in the following steps. |
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* |
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* - Load the site configuration @see \Brendt\Stitcher\Stitcher::loadSite() |
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* - Load all available templates @see \Brendt\Stitcher\Stitcher::loadTemplates() |
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* - Loop over all pages and transform every page with the configured adapters (in any are set) @see |
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* \Brendt\Stitcher\Stitcher::parseAdapters() |
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* - Loop over all transformed pages and parse the variables which weren't parsed by the page's adapters. @see |
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* \Brendt\Stitcher\Stitcher::parseVariables() |
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* - Add all variables to the template engine and render the HTML for each page. |
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* |
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* This function takes two optional parameters which are used to render pages on the fly when using the |
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* developer controller. The first one, `routes` will take a string or array of routes which should be rendered, |
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* instead of all available routes. The second one, `filterValue` is used to provide a filter when the |
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* CollectionAdapter is used, and only one entry page should be rendered. |
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* |
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* @param string|array $routes |
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* @param string $filterValue |
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* |
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* @return array |
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* @throws TemplateNotFoundException |
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* |
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* @see \Brendt\Stitcher\Stitcher::save() |
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* @see \Brendt\Stitcher\Controller\DevController::run() |
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* @see \Brendt\Stitcher\Adapter\CollectionAdapter::transform() |
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*/ |
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public function stitch($routes = [], string $filterValue = null) { |
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/** @var TemplateEngineFactory $templateEngineFactory */ |
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$templateEngineFactory = self::get('factory.template'); |
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$templateEngine = $templateEngineFactory->getDefault(); |
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$blanket = []; |
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$site = $this->loadSite((array) $routes); |
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$templates = $this->loadTemplates(); |
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foreach ($site as $page) { |
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$templateIsset = isset($templates[$page->getTemplatePath()]); |
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if (!$templateIsset) { |
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if ($template = $page->getTemplatePath()) { |
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throw new TemplateNotFoundException("Template {$template} not found."); |
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} else { |
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throw new TemplateNotFoundException('No template was set.'); |
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} |
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} |
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$pages = $this->parseAdapters($page, $filterValue); |
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$pageTemplate = $templates[$page->getTemplatePath()]; |
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foreach ($pages as $entryPage) { |
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$entryPage = $this->parseVariables($entryPage); |
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// Render each page |
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$templateEngine->addTemplateVariables($entryPage->getVariables()); |
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$blanket[$entryPage->getId()] = $templateEngine->renderTemplate($pageTemplate); |
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$templateEngine->clearTemplateVariables(); |
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} |
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} |
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return $blanket; |
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} |
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/** |
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* Load a site from YAML configuration files in the `directories.src`/site directory. |
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* All YAML files are loaded and parsed into Page objects and added to a Site collection. |
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* |
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* @param array $routes |
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* |
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* @return Site |
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* @throws InvalidSiteException |
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* @see \Brendt\Stitcher\Site\Page |
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* @see \Brendt\Stitcher\Site\Site |
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*/ |
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public function loadSite(array $routes = []) : Site { |
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/** @var SplFileInfo[] $files */ |
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$files = Finder::create()->files()->in("{$this->srcDir}/site")->name('*.yml'); |
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$site = new Site(); |
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foreach ($files as $file) { |
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try { |
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$fileContents = (array) Yaml::parse($file->getContents()); |
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} catch (ParseException $e) { |
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throw new InvalidSiteException("{$file->getRelativePathname()}: {$e->getMessage()}"); |
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} |
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foreach ($fileContents as $route => $data) { |
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if (count($routes) && !in_array($route, $routes)) { |
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continue; |
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} |
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$page = new Page($route, $data); |
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$site->addPage($page); |
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} |
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} |
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return $site; |
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} |
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/** |
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* Load all templates from either the `directories.template` directory. Depending on the configured template |
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* engine, set with `engines.template`; .html or .tpl files will be loaded. |
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* |
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* @return SplFileInfo[] |
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*/ |
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public function loadTemplates() { |
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/** @var TemplateEngineFactory $templateEngineFactory */ |
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$templateEngineFactory = self::get('factory.template'); |
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$templateEngine = $templateEngineFactory->getDefault(); |
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$templateExtension = $templateEngine->getTemplateExtension(); |
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/** @var SplFileInfo[] $files */ |
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$files = Finder::create()->files()->in($this->templateDir)->name("*.{$templateExtension}"); |
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$templates = []; |
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foreach ($files as $file) { |
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$id = str_replace(".{$templateExtension}", '', $file->getRelativePathname()); |
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$templates[$id] = $file; |
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} |
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return $templates; |
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} |
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/** |
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* This function takes a page and optional entry id. The page's adapters will be loaded and looped. |
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* An adapter will transform a page's original configuration and variables to one or more pages. |
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* An entry id can be provided as a filter. This filter can be used in an adapter to skip rendering unnecessary |
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* pages. The filter parameter is used to render pages on the fly when using the developer controller. |
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* |
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* @param Page $page |
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* @param string $entryId |
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* |
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* @return Page[] |
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* |
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* @see \Brendt\Stitcher\Adapter\Adapter::transform() |
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* @see \Brendt\Stitcher\Controller\DevController::run() |
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*/ |
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public function parseAdapters(Page $page, $entryId = null) { |
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if (!$page->getAdapters()) { |
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return [$page->getId() => $page]; |
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} |
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$pages = [$page]; |
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foreach ($page->getAdapters() as $type => $adapterConfig) { |
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/** @var Adapter $adapter */ |
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$adapter = self::get("adapter.{$type}"); |
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if ($entryId !== null) { |
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$pages = $adapter->transform($pages, $entryId); |
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} else { |
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$pages = $adapter->transform($pages); |
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} |
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} |
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return $pages; |
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} |
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/** |
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* This function takes a Page object and parse its variables using a Parser. It will only parse variables which |
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* weren't parsed already by an adapter. |
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* |
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* @param Page $page |
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* |
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* @return Page |
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* |
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* @see \Brendt\Stitcher\Factory\ParserFactory |
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* @see \Brendt\Stitcher\Parser\Parser |
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* @see \Brendt\Stitcher\Site\Page::isParsedVariable() |
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*/ |
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public function parseVariables(Page $page) { |
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foreach ($page->getVariables() as $name => $value) { |
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if ($page->isParsedVariable($name)) { |
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continue; |
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} |
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$page |
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->setVariableValue($name, $this->getData($value)) |
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->setVariableIsParsed($name); |
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} |
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return $page; |
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} |
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/** |
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* This function will save a stitched output to HTML files in the `directories.public` directory. |
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* |
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* @param array $blanket |
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* |
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* @see \Brendt\Stitcher\Stitcher::stitch() |
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*/ |
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public function save(array $blanket) { |
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$fs = new Filesystem(); |
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foreach ($blanket as $path => $page) { |
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if ($path === '/') { |
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$path = 'index'; |
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} |
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$fs->dumpFile($this->publicDir . "/{$path}.html", $page); |
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} |
365
|
|
|
} |
366
|
|
|
|
367
|
|
|
/** |
368
|
|
|
* This function will get the parser based on the value. This value is parsed by the parser, or returned if no |
369
|
|
|
* suitable parser was found. |
370
|
|
|
* |
371
|
|
|
* @param $value |
372
|
|
|
* |
373
|
|
|
* @return mixed |
374
|
|
|
* |
375
|
|
|
* @see \Brendt\Stitcher\Factory\ParserFactory |
376
|
|
|
*/ |
377
|
|
|
private function getData($value) { |
378
|
|
|
/** @var ParserFactory $parserFactory */ |
379
|
|
|
$parserFactory = self::get('factory.parser'); |
380
|
|
|
$parser = $parserFactory->getByFileName($value); |
381
|
|
|
|
382
|
|
|
if (!$parser) { |
383
|
|
|
return $value; |
384
|
|
|
} |
385
|
|
|
|
386
|
|
|
return $parser->parse($value); |
387
|
|
|
} |
388
|
|
|
|
389
|
|
|
/** |
390
|
|
|
* @param Promise|null $promise |
391
|
|
|
* |
392
|
|
|
* @return Stitcher |
393
|
|
|
*/ |
394
|
|
|
public function addPromise(?Promise $promise) : Stitcher { |
395
|
|
|
if ($promise) { |
396
|
|
|
$this->promises[] = $promise; |
397
|
|
|
} |
398
|
|
|
|
399
|
|
|
return $this; |
400
|
|
|
} |
401
|
|
|
|
402
|
|
|
/** |
403
|
|
|
* @return Promise |
404
|
|
|
*/ |
405
|
|
|
public function getPromise() : Promise { |
406
|
|
|
return \Amp\all($this->promises); |
|
|
|
|
407
|
|
|
} |
408
|
|
|
|
409
|
|
|
/** |
410
|
|
|
* @param callable $callback |
411
|
|
|
*/ |
412
|
|
|
public function done(callable $callback) { |
413
|
|
|
$donePromise = $this->getPromise(); |
414
|
|
|
|
415
|
|
|
$donePromise->when($callback); |
416
|
|
|
} |
417
|
|
|
|
418
|
|
|
} |
419
|
|
|
|
420
|
|
|
|
421
|
|
|
|
It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: