67 lines
2.0 KiB
PHP
67 lines
2.0 KiB
PHP
<?php namespace Todaymade\Daux\Format\HTMLFile\ContentTypes\Markdown;
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use League\CommonMark\ElementRendererInterface;
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use League\CommonMark\HtmlElement;
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use League\CommonMark\Inline\Element\AbstractInline;
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use League\CommonMark\Inline\Element\Link;
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use Todaymade\Daux\DauxHelper;
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use Todaymade\Daux\Exception\LinkNotFoundException;
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class LinkRenderer extends \Todaymade\Daux\ContentTypes\Markdown\LinkRenderer
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{
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/**
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* @param AbstractInline|Link $inline
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*
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* @throws LinkNotFoundException
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*
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* @return HtmlElement
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*/
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public function render(AbstractInline $inline, ElementRendererInterface $htmlRenderer)
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{
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if (!($inline instanceof Link)) {
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throw new \InvalidArgumentException('Incompatible inline type: ' . \get_class($inline));
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}
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$element = parent::render($inline, $htmlRenderer);
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$url = $inline->getUrl();
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// empty urls and anchors should
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// not go through the url resolver
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if (!DauxHelper::isValidUrl($url)) {
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return $element;
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}
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// Absolute urls, shouldn't either
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if (DauxHelper::isExternalUrl($url)) {
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$element->setAttribute('class', 'Link--external');
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return $element;
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}
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// if there's a hash component in the url, we can directly use it as all pages are in the same file
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$urlAndHash = explode('#', $url);
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if (isset($urlAndHash[1])) {
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$element->setAttribute('href', '#' . $urlAndHash[1]);
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return $element;
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}
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try {
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$file = DauxHelper::resolveInternalFile($this->daux, $url);
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$url = $file->getUrl();
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} catch (LinkNotFoundException $e) {
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if ($this->daux->isStatic()) {
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throw $e;
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}
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$element->setAttribute('class', 'Link--broken');
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}
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$url = str_replace('/', '_', $url);
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$element->setAttribute('href', "#file_$url");
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return $element;
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}
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}
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