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<?php |
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namespace PhpTek\Exodus\Tool; |
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use phpQuery; |
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use SilverStripe\Core\Config\Configurable; |
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use SilverStripe\Core\Injector\Injectable; |
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/** |
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* |
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* Helper class for rewriting links using phpQuery. |
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* |
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* @author Sam Minnee <[email protected]> |
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* @author Russell Michell <[email protected]> |
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* @author Michael Parkhill <[email protected]> |
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* @package phptek/silverstripe-exodus |
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* @see {@link StaticSiteRewriteLinksTask} |
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*/ |
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class StaticSiteLinkRewriter |
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{ |
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use Injectable; |
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use Configurable; |
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/** |
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* Simple map of tags to count as "linkable" |
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* |
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* @var array |
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*/ |
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protected $tagMap = [ |
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'a' => 'href', |
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'img' => 'src', |
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]; |
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/** |
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* The callback function to run over each link. |
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* |
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* @var Object |
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*/ |
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protected $callback; |
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/** |
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* |
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* @param $callback |
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* @return void |
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*/ |
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public function __construct($callback) |
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{ |
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$this->callback = $callback; |
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} |
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/** |
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* Set a map of tags & attributes to search for URls. |
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* Each key is a tagname, and each value is an array of attribute names. |
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* |
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* @param array $tagMap |
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* @return void |
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*/ |
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public function setTagMap($tagMap) |
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{ |
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$this->tagMap = $tagMap; |
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} |
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/** |
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* Return the tagmap |
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* |
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* @return array |
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*/ |
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public function getTagMap() |
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{ |
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return $this->tagMap; |
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} |
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/** |
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* |
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* @param phpQueryObject $pq |
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* @return void |
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*/ |
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public function rewriteInPQ($pq): void |
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{ |
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$callback = $this->callback; |
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// Make URLs absolute |
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foreach ($this->tagMap as $tag => $attribute) { |
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foreach ($pq[$tag] as $tagObj) { |
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if ($url = pq($tagObj)->attr($attribute)) { |
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$newURL = $callback($url); |
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pq($tagObj)->attr($attribute, $newURL); |
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} |
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} |
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} |
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} |
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/** |
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* Rewrite URLs in the given content snippet. Returns the updated content. |
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* |
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* @param string $content The content containing the links to rewrite. |
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* @return string |
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*/ |
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public function rewriteInContent($content) |
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{ |
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$pq = phpQuery::newDocument($content); |
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$this->rewriteInPQ($pq); |
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return $pq->html(); |
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} |
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} |
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phptek /
silverstripe-exodus
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