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<?php |
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/** |
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* @link https://www.github.com/tinydots/craft-front-matter |
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* @copyright Copyright (c) Mike Pepper |
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* @license MIT |
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*/ |
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namespace tinydots\frontmatter\services; |
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use craft\base\Component; |
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use craft\web\twig\TemplateLoaderException; |
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use Mni\FrontYAML\Document; |
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use Mni\FrontYAML\Parser; |
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class FrontMatterService extends Component |
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{ |
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/** @var Parser The FrontYAML parser instance */ |
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protected $_parser; |
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/** @var array */ |
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protected $_cache; |
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public function init() |
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{ |
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parent::init(); |
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$this->_parser = new Parser(null, null, '{#---', '---#}'); |
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} |
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public function getParser() |
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{ |
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return $this->_parser; |
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} |
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public function parseString(string $string): Document |
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{ |
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$key = md5($string); |
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if (!isset($this->_cache[$key])) { |
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$this->_cache[$key] = $this->getParser()->parse($string, false); |
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} |
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return $this->_cache[$key]; |
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} |
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/** |
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* @param $templatePath |
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* @return Document |
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* @throws TemplateLoaderException |
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*/ |
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public function parseTemplate($templatePath): Document |
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{ |
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$path = $this->_resolveTemplate($templatePath); |
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$contents = file_get_contents($path); |
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return $this->parseString($contents); |
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} |
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// Private Methods |
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// ========================================================================= |
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/** |
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* Returns the path to a given template, or throws a TemplateLoaderException. |
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* |
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* @param string $name |
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* @return string |
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* @throws TemplateLoaderException if the template doesn’t exist |
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*/ |
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private function _resolveTemplate(string $name) |
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{ |
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$template = \Craft::$app->getView()->resolveTemplate($name); |
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if ($template !== false) { |
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return $template; |
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} |
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throw new TemplateLoaderException($name, \Craft::t('app', 'Unable to find the template “{template}”.', ['template' => $name])); |
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} |
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} |
tinydots /
craft-front-matter
