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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 4.2.0 |
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* @link https://github.com/thephpleague/uri/ |
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*/ |
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namespace League\Uri\Components; |
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use InvalidArgumentException; |
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use League\Uri\Interfaces\Path as PathInterface; |
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/** |
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* Value object representing a URI path component. |
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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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trait PathTrait |
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{ |
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/** |
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* Typecode Regular expression |
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*/ |
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protected static $typeRegex = ',^(?P<basename>.*);type=(?P<typecode>a|i|d)$,'; |
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/** |
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* Typecode value |
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* |
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* @var array |
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*/ |
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protected static $typecodeList = [ |
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'a' => PathInterface::FTP_TYPE_ASCII, |
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'i' => PathInterface::FTP_TYPE_BINARY, |
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'd' => PathInterface::FTP_TYPE_DIRECTORY, |
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'' => PathInterface::FTP_TYPE_EMPTY, |
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]; |
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/** |
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* Dot Segment pattern |
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* |
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* @var array |
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*/ |
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protected static $dotSegments = ['.' => 1, '..' => 1]; |
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/** |
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* Filter the encoded path string |
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* |
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* @param string $str the encoded path |
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* |
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* @throws InvalidArgumentException If the encoded path is invalid |
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* |
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* @return string |
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*/ |
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protected function filterEncodedPath($str) |
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{ |
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if (!preg_match(',[?#],', $str)) { |
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return $str; |
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} |
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throw new InvalidArgumentException(sprintf( |
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'The encoded path `%s` contains invalid characters', |
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$str |
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)); |
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} |
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/** |
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* Returns the instance string representation; If the |
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* instance is not defined an empty string is returned |
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* |
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* @return string |
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*/ |
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abstract public function __toString(); |
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/** |
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* Returns an instance with the specified string |
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* |
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* This method MUST retain the state of the current instance, and return |
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* an instance that contains the modified data |
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* |
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* @param string $value |
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* |
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* @return static |
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*/ |
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abstract public function withContent($value = null); |
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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 4.2 |
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* |
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* @see withContent |
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* |
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* Returns an instance with the specified string |
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* |
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* This method MUST retain the state of the current instance, and return |
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* an instance that contains the modified data |
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* |
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* @param string $value |
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* |
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* @return static |
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*/ |
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abstract public function modify($value); |
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/** |
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* @inheritdoc |
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*/ |
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public function __debugInfo() |
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{ |
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return ['path' => $this->getContent()]; |
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} |
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/** |
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* The component raw data |
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* |
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* @return mixed |
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*/ |
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abstract public function getContent(); |
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/** |
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* Returns an instance without dot segments |
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* |
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* This method MUST retain the state of the current instance, and return |
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* an instance that contains the path component normalized by removing |
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* the dot segment. |
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* |
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* @return static |
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*/ |
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public function withoutDotSegments() |
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{ |
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$current = $this->__toString(); |
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if (false === strpos($current, '.')) { |
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return $this; |
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} |
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$input = explode('/', $current); |
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$new = implode('/', array_reduce($input, [$this, 'filterDotSegments'], [])); |
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if (isset(static::$dotSegments[end($input)])) { |
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$new .= '/'; |
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} |
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return $this->withContent($new); |
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} |
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/** |
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* Filter Dot segment according to RFC3986 |
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* |
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* @see http://tools.ietf.org/html/rfc3986#section-5.2.4 |
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* |
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* @param array $carry Path segments |
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* @param string $segment a path segment |
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* |
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* @return array |
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*/ |
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protected function filterDotSegments(array $carry, $segment) |
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{ |
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if ('..' === $segment) { |
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array_pop($carry); |
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return $carry; |
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} |
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if (!isset(static::$dotSegments[$segment])) { |
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$carry[] = $segment; |
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} |
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return $carry; |
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} |
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/** |
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* Returns an instance without duplicate delimiters |
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* |
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* This method MUST retain the state of the current instance, and return |
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* an instance that contains the path component normalized by removing |
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* multiple consecutive empty segment |
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* |
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* @return static |
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*/ |
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public function withoutEmptySegments() |
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{ |
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return $this->withContent(preg_replace(',/+,', '/', $this->__toString())); |
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} |
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/** |
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* Returns whether or not the path has a trailing delimiter |
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* |
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* @return bool |
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*/ |
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public function hasTrailingSlash() |
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{ |
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$path = $this->__toString(); |
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return '' !== $path && '/' === mb_substr($path, -1, 1, 'UTF-8'); |
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} |
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/** |
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* Returns an instance with a trailing slash |
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* |
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* This method MUST retain the state of the current instance, and return |
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* an instance that contains the path component with a trailing slash |
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* |
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* |
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* @return static |
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*/ |
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public function withTrailingSlash() |
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{ |
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return $this->hasTrailingSlash() ? $this : $this->withContent($this->__toString().'/'); |
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} |
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/** |
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* Returns an instance without a trailing slash |
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* |
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* This method MUST retain the state of the current instance, and return |
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* an instance that contains the path component without a trailing slash |
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* |
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* @return static |
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*/ |
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public function withoutTrailingSlash() |
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{ |
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return !$this->hasTrailingSlash() ? $this : $this->withContent(mb_substr($this, 0, -1, 'UTF-8')); |
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} |
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/** |
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* Returns whether or not the path is absolute or relative |
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* |
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* @return bool |
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*/ |
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public function isAbsolute() |
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{ |
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$path = $this->__toString(); |
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return '' !== $path && '/' === mb_substr($path, 0, 1, 'UTF-8'); |
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} |
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/** |
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* Returns an instance with a leading slash |
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* |
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* This method MUST retain the state of the current instance, and return |
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* an instance that contains the path component with a leading slash |
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* |
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* |
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* @return static |
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*/ |
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public function withLeadingSlash() |
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{ |
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return $this->isAbsolute() ? $this : $this->withContent('/'.$this->__toString()); |
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} |
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/** |
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* Returns an instance without a leading slash |
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* |
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* This method MUST retain the state of the current instance, and return |
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* an instance that contains the path component without a leading slash |
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* |
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* @return static |
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*/ |
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public function withoutLeadingSlash() |
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{ |
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return !$this->isAbsolute() ? $this : $this->withContent(mb_substr($this, 1, null, 'UTF-8')); |
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} |
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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 4.2 |
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* |
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* Retrieve the optional type associated to the path. |
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* |
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* The value returned MUST be one of the interface constant type |
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* If no type is associated the return constant must be self::FTP_TYPE_EMPTY |
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* |
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* @see http://tools.ietf.org/html/rfc1738#section-3.2.2 |
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* |
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* @return int a typecode constant. |
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*/ |
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public function getTypecode() |
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{ |
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if (preg_match(self::$typeRegex, $this->__toString(), $matches)) { |
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return self::$typecodeList[$matches['typecode']]; |
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} |
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return PathInterface::FTP_TYPE_EMPTY; |
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} |
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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 4.2 |
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* |
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* Return an instance with the specified typecode. |
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* |
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* This method MUST retain the state of the current instance, and return |
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* an instance that contains the specified type appended to the path. |
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* if not |
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* |
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* Using self::FTP_TYPE_EMPTY is equivalent to removing the typecode. |
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* |
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* @param int $type one typecode constant. |
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* |
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* @throws InvalidArgumentException for invalid typecode. |
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* |
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* @return static |
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* |
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*/ |
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public function withTypecode($type) |
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{ |
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if (!in_array($type, self::$typecodeList)) { |
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throw new InvalidArgumentException('invalid typecode'); |
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} |
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$path = $this->__toString(); |
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if (preg_match(self::$typeRegex, $path, $matches)) { |
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$path = $matches['basename']; |
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} |
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$extension = array_search($type, self::$typecodeList); |
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$extension = trim($extension); |
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if ('' !== $extension) { |
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$extension = ';type='.$extension; |
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} |
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return $this->withContent($path.$extension); |
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} |
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} |
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