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<?php |
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/** |
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* Webino (http://webino.sk) |
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* |
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* @link https://github.com/webino/WebinoDraw for the canonical source repository |
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* @copyright Copyright (c) 2012-2017 Webino, s. r. o. (http://webino.sk) |
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* @author Peter Bačinský <[email protected]> |
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* @license BSD-3-Clause |
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*/ |
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namespace WebinoDraw\Draw\Helper; |
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use DOMAttr as DomAttr; |
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use WebinoDraw\Dom\NodeList; |
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use WebinoDraw\Exception\RuntimeException; |
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use Zend\View\Helper\ServerUrl; |
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use Zend\View\Helper\BasePath; |
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/** |
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* Draw helper used for prepend relative URL with basePath |
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*/ |
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class Absolutize extends AbstractHelper |
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{ |
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/** |
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* Draw helper service name |
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*/ |
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const SERVICE = 'webinodrawabsolutize'; |
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/** |
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* @var ServerUrl |
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*/ |
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protected $serverUrl; |
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/** |
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* @var BasePath |
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*/ |
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protected $basePath; |
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/** |
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* @param ServerUrl $serverUrl |
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* @param BasePath $basePath |
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*/ |
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public function __construct(ServerUrl $serverUrl, BasePath $basePath) |
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{ |
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$this->serverUrl = $serverUrl; |
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$this->basePath = $basePath; |
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} |
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/** |
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* @param NodeList $nodes |
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* @param array $spec |
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* @return void |
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* @throw RuntimeException |
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*/ |
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public function drawNodes(NodeList $nodes, array $spec) |
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{ |
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$varTranslator = $this->getVarTranslator(); |
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$translation = $varTranslator->createTranslation($this->getVars()); |
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$varTranslator->apply($translation, $spec); |
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$translationVars = $translation->getVarTranslation(); |
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$basePath = $this->basePath->__invoke(); |
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$serverUrl = $this->resolveServerUrl($spec); |
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foreach ($nodes as $node) { |
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if (!($node instanceof DomAttr)) { |
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throw new RuntimeException('Expected DOMAttr for spec ' . print_r($spec, true)); |
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} |
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$nodeValue = $node->nodeValue; |
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$translationVars->translate($nodeValue); |
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$node->nodeValue = $serverUrl . $this->removeDotSegments($basePath . '/' . ltrim((string) $nodeValue, '/')); |
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} |
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} |
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/** |
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* @param array $spec |
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* @return string |
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*/ |
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private function resolveServerUrl(array $spec) |
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{ |
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if (!array_key_exists('serverUrl', $spec)) { |
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return ''; |
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} |
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if (true === $spec['serverUrl']) { |
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return $this->serverUrl->__invoke(); |
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} |
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return (string) $spec['serverUrl']; |
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} |
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/** |
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* Removes dots as described in RFC 3986, section 5.2.4 |
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* |
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* Taken from the PEAR Net_URL2, cos don't want to make a dependency. |
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* |
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* @link http://pear.php.net/package/Net_URL2/ PEAR package |
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* @param string $path a path |
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* @return string a path |
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*/ |
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private function removeDotSegments($path) |
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{ |
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$output = ''; |
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// Make sure not to be trapped in an infinite loop due to a bug in this |
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// method |
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$j = 0; |
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while ($path && $j++ < 100) { |
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if (substr($path, 0, 2) === './') { |
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// Step 2.A |
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$path = substr($path, 2); |
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} elseif (substr($path, 0, 3) === '../') { |
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// Step 2.A |
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$path = substr($path, 3); |
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} elseif (substr($path, 0, 3) === '/./' || $path === '/.') { |
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// Step 2.B |
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$path = '/' . substr($path, 3); |
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} elseif (substr($path, 0, 4) === '/../' || $path === '/..') { |
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// Step 2.C |
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$path = '/' . substr($path, 4); |
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$i = strrpos($output, '/'); |
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$output = $i === false ? '' : substr($output, 0, $i); |
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} elseif ($path === '.' || $path === '..') { |
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// Step 2.D |
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$path = ''; |
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} else { |
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// Step 2.E |
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$i = strpos($path, '/'); |
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if ($i === 0) { |
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$i = strpos($path, '/', 1); |
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} |
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if ($i === false) { |
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$i = strlen($path); |
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} |
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$output.= substr($path, 0, $i); |
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$path = substr($path, $i); |
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} |
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} |
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return $output; |
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} |
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} |
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webino /
WebinoDraw
