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<?php |
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/** |
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* League.Uri (http://uri.thephpleague.com) |
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* |
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* @package League.uri |
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* @author Ignace Nyamagana Butera <[email protected]> |
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* @copyright 2013-2015 Ignace Nyamagana Butera |
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* @license https://github.com/thephpleague/uri/blob/master/LICENSE (MIT License) |
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* @version 4.1.0 |
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* @link https://github.com/thephpleague/uri/ |
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*/ |
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namespace League\Uri\Modifiers; |
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use InvalidArgumentException; |
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use League\Uri\Components\HierarchicalPath; |
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/** |
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* Path component extension modifier |
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* |
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* @package League.uri |
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* @author Ignace Nyamagana Butera <[email protected]> |
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* @since 4.0.0 |
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*/ |
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class Extension extends AbstractPathModifier |
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{ |
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/** |
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* The extension to use for URI modification |
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* |
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* @var string |
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*/ |
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protected $extension; |
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/** |
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* New instance |
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* |
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* @param string $extension |
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*/ |
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public function __construct($extension) |
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{ |
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$this->extension = $this->filterExtension($extension); |
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} |
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/** |
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* filter and validate the extension to use |
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* |
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* @param string $extension |
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* |
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* @throws InvalidArgumentException if the extension is not valid |
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* |
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* @return string |
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*/ |
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protected function filterExtension($extension) |
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{ |
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if (0 === strpos($extension, '.') || false !== strpos($extension, '/')) { |
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throw new InvalidArgumentException( |
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'extension must be string sequence without a leading `.` and the path separator `/` characters' |
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); |
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} |
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$extension = filter_var($extension, FILTER_SANITIZE_STRING, ['options' => FILTER_FLAG_STRIP_LOW]); |
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return trim($extension); |
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} |
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/** |
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* Return a new instance with a different extension to use |
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* |
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* DEPRECATION WARNING! This method will be removed in the next major point release |
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* |
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* @deprecated deprecated since version 4.1 |
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* |
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* @param string $extension |
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* |
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* @return self |
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*/ |
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public function withExtension($extension) |
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{ |
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$clone = clone $this; |
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$clone->extension = $this->filterExtension($extension); |
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return $clone; |
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} |
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/** |
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* Modify a URI part |
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* |
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* @param string $str the URI part string representation |
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* |
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* @return string the modified URI part string representation |
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*/ |
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protected function modify($str) |
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{ |
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return (string) (new HierarchicalPath($str))->withExtension($this->extension); |
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} |
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} |
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thephpleague /
uri
