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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\Types; |
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/** |
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* Uri Parameter validation |
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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 4.2.0 |
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*/ |
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trait TranscoderTrait |
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{ |
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/** |
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* Encoded Characters regular expression pattern |
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* |
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* @see http://tools.ietf.org/html/rfc3986#section-2.1 |
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* |
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* @var string |
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*/ |
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protected static $encodedChars = '[A-Fa-f0-9]{2}'; |
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/** |
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* RFC3986 Sub delimiter characters regular expression pattern |
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* |
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* @see http://tools.ietf.org/html/rfc3986#section-2.2 |
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* |
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* @var string |
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*/ |
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protected static $subdelimChars = "\!\$&'\(\)\*\+,;\=%"; |
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/** |
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* RFC3986 unreserved characters regular expression pattern |
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* |
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* @see http://tools.ietf.org/html/rfc3986#section-2.3 |
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* |
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* @var string |
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*/ |
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protected static $unreservedChars = 'A-Za-z0-9_\-\.~'; |
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/** |
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* RFC3986 unreserved characters encoded regular expression pattern |
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* |
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* @see http://tools.ietf.org/html/rfc3986#section-2.3 |
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* |
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* @var string |
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*/ |
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protected static $unreservedCharsEncoded = '2[D|E]|3[0-9]|4[1-9|A-F]|5[0-9|A|F]|6[1-9|A-F]|7[0-9|E]'; |
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/** |
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* Encode a component string |
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* |
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* @param string $str The string to encode |
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* @param string $pattern a regular expression pattern |
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* |
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* @return string |
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*/ |
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protected static function encode($str, $pattern) |
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{ |
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$regexp = '/(?:[^'.self::$unreservedChars.$pattern.']+|%(?!'.self::$encodedChars.'))/'; |
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$encoder = function (array $matches) { |
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return rawurlencode($matches[0]); |
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1512 |
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}; |
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$str = preg_replace_callback($regexp, $encoder, $str); |
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$formatter = function (array $matches) { |
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return strtoupper($matches[0]); |
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1512 |
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}; |
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return preg_replace_callback(',%'.self::$encodedChars.',', $formatter, $str); |
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} |
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/** |
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* Encode a path string according to RFC3986 |
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* |
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* @param string $str can be a string or an array |
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* |
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* @return string The same type as the input parameter |
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*/ |
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protected static function encodePath($str) |
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{ |
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return self::encode($str, self::$subdelimChars.'\:\/@'); |
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} |
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/** |
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* Encode a string according to RFC3986 Rules |
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* |
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* @param string $str |
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* |
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* @return string |
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*/ |
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protected static function encodeQueryFragment($str) |
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{ |
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return self::encode($str, self::$subdelimChars.'\:\/@\?'); |
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} |
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/** |
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* Decode a component string |
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* |
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* @param string $str The string to decode |
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* @param string $pattern a regular expression pattern |
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* |
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* @return string |
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*/ |
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protected static function decode($str, $pattern) |
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{ |
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$regexp = ',%'.$pattern.',i'; |
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$decoder = function (array $matches) use ($regexp) { |
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if (preg_match($regexp, $matches[0])) { |
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return strtoupper($matches[0]); |
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} |
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return rawurldecode($matches[0]); |
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}; |
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return preg_replace_callback(',%'.self::$encodedChars.',', $decoder, $str); |
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} |
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/** |
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* Decode a component according to RFC3986 |
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* |
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* @param string $str |
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* |
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* @return string |
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*/ |
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protected static function decodeComponent($str) |
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{ |
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return self::decode($str, self::$unreservedCharsEncoded); |
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} |
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/** |
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* Decode a path component according to RFC3986 |
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* |
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* @param string $str |
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* |
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* @return string |
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*/ |
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protected static function decodePath($str) |
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{ |
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return self::decode($str, self::$unreservedCharsEncoded.'|2F'); |
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} |
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} |
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thephpleague /
uri
