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<?php |
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namespace AlexMasterov\TwigExtension; |
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use AlexMasterov\TwigExtension\AbsoluteUrlGenerator; |
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use AlexMasterov\TwigExtension\RelativePathGenerator; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Message\UriInterface; |
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use Twig_Extension; |
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use Twig_SimpleFunction; |
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final class Psr7UriExtension extends Twig_Extension |
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{ |
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/** |
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* @var ServerRequestInterface |
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*/ |
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private $request; |
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/** |
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* @param ServerRequestInterface $request |
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*/ |
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public function __construct(ServerRequestInterface $request) |
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{ |
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$this->request = $request; |
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} |
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/** |
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* @return string The extension name |
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*/ |
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public function getName() |
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{ |
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return 'psr7_uri'; |
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} |
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public function getFunctions() |
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{ |
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return [ |
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new Twig_SimpleFunction('absolute_url', [$this, 'generateAbsoluteUrl']), |
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new Twig_SimpleFunction('relative_path', [$this, 'generateRelativePath']) |
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]; |
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} |
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/** |
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* @param string $path |
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* |
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* @return string |
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*/ |
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public function generateAbsoluteUrl($path = null) |
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{ |
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$url = $this->absoluteUrl( |
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$this->request->getUri() |
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); |
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if (null === $path) { |
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return $url; |
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} |
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if ($this->isNetworkPath($path)) { |
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return $path; |
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} |
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if (!$this->hasLeadingSlash($url)) { |
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$url = rtrim($url, '/') . $path; |
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} |
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return $url; |
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} |
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/** |
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* @param string $path |
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* |
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* @return string |
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*/ |
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public function generateRelativePath($path) |
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{ |
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if ($this->isNetworkPath($path) || !$this->hasLeadingSlash($path)) { |
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return $path; |
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} |
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$path = $this->relativePath( |
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$this->request->getUri(), |
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$path |
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); |
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return $path; |
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} |
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/** |
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* @param UriInterface $uri |
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* |
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* @return string |
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*/ |
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private function absoluteUrl(UriInterface $uri) |
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{ |
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$generator = new AbsoluteUrlGenerator(); |
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$absoluteUrl = $generator($uri); |
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return $absoluteUrl; |
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} |
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/** |
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* @param UriInterface $uri |
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* |
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* @return string |
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*/ |
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private function relativePath(UriInterface $uri, $path) |
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{ |
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$generator = new RelativePathGenerator(); |
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$relativePath = $generator($uri, $path); |
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return $relativePath; |
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} |
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/** |
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* @param string $path |
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* |
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* @return bool |
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*/ |
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private function isNetworkPath($path) |
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{ |
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return false !== strpos($path, '://') |
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|| '//' === substr($path, 0, 2); |
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} |
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/** |
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* @param string $path |
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* |
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* @return bool |
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*/ |
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private function hasLeadingSlash($path) |
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{ |
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return isset($path[0]) && '/' === $path[0]; |
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} |
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} |
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AlexMasterov /
twig-extension
