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<?php |
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/** |
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* @author Matthias Glaub <[email protected]> |
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*/ |
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namespace MaglMarkdown\Service; |
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use MaglMarkdown\Adapter\MarkdownAdapterInterface; |
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use Zend\EventManager\EventManagerInterface; |
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class Markdown |
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{ |
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/** |
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* |
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* @var MarkdownAdapterInterface |
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*/ |
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private $markdownAdapter; |
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/** |
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* |
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* @var EventManagerInterface |
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*/ |
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private $eventManager; |
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/** |
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* Markdown constructor. |
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* |
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* @param MarkdownAdapterInterface $markdownAdapter |
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* @param EventManagerInterface|null $eventManager |
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*/ |
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public function __construct(MarkdownAdapterInterface $markdownAdapter, EventManagerInterface $eventManager = null) |
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{ |
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$this->markdownAdapter = $markdownAdapter; |
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$this->eventManager = $eventManager; |
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} |
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public function render($markdown) |
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{ |
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// first check if there's something within the cache |
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$cachedMarkdown = $this->triggerEvent('markdown.render.pre', array('markdown' => $markdown)); |
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if (false !== $cachedMarkdown) { |
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return $cachedMarkdown; |
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} |
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// now render, it seems cache is not active |
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// or nothing was found within the cache |
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$renderedMarkdown = $this->markdownAdapter->transformText($markdown); |
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// save the rendered markdown to the cache |
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$this->triggerEvent('markdown.render.post', array( |
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'markdown' => $markdown, |
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'renderedMarkdown' => $renderedMarkdown, |
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)); |
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return $renderedMarkdown; |
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} |
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private function triggerEvent($event, $args) |
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{ |
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// if there's no eventmanager, we don't need to trigger anything |
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if (!$this->eventManager) { |
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return false; |
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} |
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// triggering the event and return result, if event stopped |
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$result = $this->eventManager->trigger($event, $this, $args); |
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if ($result->stopped()) { |
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return $result->last(); |
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} |
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return false; |
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} |
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} |
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maglnet /
MaglMarkdown
