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<?php |
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namespace Subreality\Dilmun\Anshar\Http\UriParts; |
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use Subreality\Dilmun\Anshar\Utils\StringHelper; |
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/** |
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* Class Path |
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* @package Subreality\Dilmun\Anshar\Http\UriParts |
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*/ |
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class Path extends AbstractUriPart |
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{ |
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protected static $unencoded_characters = array('/'); |
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protected static $compositions = array( |
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"unreserved_characters", |
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"sub_delims_characters", |
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"pchar_characters", |
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); |
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protected static $part_pattern; |
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/** |
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* Host constructor. Accepts a string representing a URI host component. Construction will throw an exception if |
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* the host is not a string. |
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* |
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* path-abempty = *( "/" segment ) |
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* path-absolute = "/" [ segment-nz *( "/" segment ) ] |
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* path-noscheme = segment-nz-nc *( "/" segment ) |
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* path-rootless = segment-nz *( "/" segment ) |
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* path-empty = 0<pchar> |
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* |
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* segment = *pchar |
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* segment-nz = 1*pchar |
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* segment-nz-nc = 1*( unreserved / pct-encoded / sub-delims / "@" ) |
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* ; non-zero-length segment without any colon ":" |
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* |
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* pchar = unreserved / pct-encoded / sub-delims / ":" / "@" |
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* |
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* @param string $path |
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*/ |
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public function __construct($path) |
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{ |
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parent::__construct($path, "Path"); |
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} |
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/** |
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* Returns a string representation of the path formatted so that it can be compiled into a complete URI string |
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* per the Uri object's string specification. |
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* |
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* If the path is empty, toUriString returns an empty string; if the path is not empty, toUriString returns the |
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* path with one or more rules applied against an optional Authority to determine starting slashes: |
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* |
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* - If the path is rootless and an authority is present, the path MUST be prefixed by "/". |
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* - If the path is starting with more than one "/" and no authority is present, the starting slashes MUST be |
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* reduced to one. |
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* |
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* @see Uri::__toString |
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* |
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* @param Authority|null $authority [optional] An authority against which to derive starting slash rules |
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* |
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* @return string A string representation of the path formatted for a complete URI string |
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*/ |
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public function toUriString(Authority $authority = null) |
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{ |
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$path_string = parent::toUriString(); |
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if (!empty($this->data)) { |
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$path_string = $this->normalizePathWithAuthority($authority); |
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} |
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return $path_string; |
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} |
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/** |
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* Validates whether a given path string conforms to the URI specification for a path provided an optional |
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* authority. If a non-empty path is provide along with a non-empty authority, the path must begin with a slash. |
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* |
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* Note that validatePathAgainstAuthority only validates that a path conforms to the slash requirement and not the |
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* validity of the path in general. For general path validation, use Path::isValid. |
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* |
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* @see Path::isValid |
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* @see Uri::withPath |
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* |
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* @throws \InvalidArgumentException provided a non-string path. |
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* |
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* @param string $path_string A path string |
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* @param Authority|null $authority [optional] An authority against which to check the path for validity |
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* |
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* @return bool |
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*/ |
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public static function validatePathAgainstAuthority($path_string, Authority $authority = null) |
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{ |
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if (!is_string($path_string)) { |
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throw new \InvalidArgumentException("Path must be a string"); |
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} |
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if (!empty((string) $path_string) && !empty((string) $authority)) { |
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$path_string = new StringHelper($path_string); |
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if (!$path_string->startsWith("/")) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* Determines whether a given authority should begin with a slash provided an Authority. |
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* |
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* @see Path::toUriString |
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* |
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* @param Authority|null $authority [optional] An authority against which to derive starting slash rules |
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* |
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* @return string The path string with appropriate starting slash rules applied |
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*/ |
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private function normalizePathWithAuthority(Authority $authority = null) |
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{ |
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$path_string = $this->collapseStartingSlashes($this->data, $authority); |
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$path_string = new StringHelper($path_string); |
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if (!empty((string) $authority)) { |
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if (!$path_string->startsWith("/")) { |
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$path_string = "/" . $this->data; |
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} |
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} |
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return (string) $path_string; |
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} |
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/** |
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* Collapses starting slashes within a path if necessary given rules associated with an optional Authority. |
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* |
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* @see Path::toUriString |
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* |
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* @param string $path_string The path string to proceess |
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* @param Authority|null $authority [optional] An authority against which to derive starting slash rules |
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* |
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* @return string The path string with appropriate starting slash rules applied |
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*/ |
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private function collapseStartingSlashes($path_string, Authority $authority = null) |
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{ |
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$path_string = new StringHelper($path_string); |
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if (empty((string) $authority)) { |
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$path_string = $path_string->collapseStartingRepetition("/"); |
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} |
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return (string) $path_string; |
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} |
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} |
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twistofreality /
dilmun
