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<?php |
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namespace Thinktomorrow\Locale\Services; |
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use Thinktomorrow\Locale\Locale; |
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class UrlParser |
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{ |
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/** |
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* @var Locale |
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*/ |
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private $locale; |
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/** |
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* @var array |
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*/ |
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private $parsed; |
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private $schemeless = false; |
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public function __construct(Locale $locale) |
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{ |
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$this->locale = $locale; |
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} |
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public function set($url) |
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{ |
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$this->parsed = parse_url($url); |
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if(false === $this->parsed) |
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{ |
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throw new \InvalidArgumentException('Failed to parse url. Invalid url ['.$url.'] passed as parameter.'); |
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} |
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// If a schemeless url is passed, parse_url will ignore this and strip the first tags |
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$this->schemeless = (0 === strpos($url,'//') && isset($this->parsed['host'])); |
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return $this; |
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} |
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public function get() |
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{ |
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$this->assertUrlExists(); |
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return $this->reassemble($this->parsed); |
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} |
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/** |
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* Place locale segment in front of url path |
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* e.g. /foo/bar is transformed into /en/foo/bar |
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* |
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* @param null $locale |
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* @return string |
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*/ |
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public function localize($locale = null) |
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{ |
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$this->localizePath($locale); |
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return $this; |
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} |
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private function localizePath($locale = null) |
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{ |
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$this->assertUrlExists(); |
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$this->parsed['path'] = str_replace('//','/', |
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'/'.$this->locale->getSlug($locale).$this->delocalizePath() |
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); |
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} |
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/** |
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* @return array |
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*/ |
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private function delocalizePath() |
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{ |
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$this->assertUrlExists(); |
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if (!isset($this->parsed['path'])) return null; |
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$path_segments = explode('/', trim($this->parsed['path'], '/')); |
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if (count($path_segments) < 1) return null; |
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if ($path_segments[0] == $this->locale->getSlug($path_segments[0]) || $this->locale->isHidden($path_segments[0])) { |
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unset($path_segments[0]); |
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} |
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return '/' . implode('/', $path_segments); |
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} |
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/** |
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* Construct a full url with the parsed url elements |
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* resulted from a parse_url() function call |
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* |
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* @param array $parsed |
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* @return string |
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*/ |
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private function reassemble(array $parsed) |
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{ |
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return |
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((isset($parsed['scheme'])) ? $parsed['scheme'] . '://' : ($this->schemeless ? '//' : '')) |
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.((isset($parsed['user'])) ? $parsed['user'] . ((isset($parsed['pass'])) ? ':' . $parsed['pass'] : '') .'@' : '') |
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.((isset($parsed['host'])) ? $parsed['host'] : '') |
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.((isset($parsed['port'])) ? ':' . $parsed['port'] : '') |
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.((isset($parsed['path'])) ? $parsed['path'] : '') |
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.((isset($parsed['query'])) ? '?' . $parsed['query'] : '') |
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.((isset($parsed['fragment'])) ? '#' . $parsed['fragment'] : ''); |
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} |
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private function assertUrlExists() |
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{ |
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if (!$this->parsed) { |
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throw new \LogicException('Url is required. Please run UrlParser::set($url) first.'); |
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} |
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} |
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} |
Our type inference engine has found a suspicous assignment of a value to a property. This check raises an issue when a value that can be of a mixed type is assigned to a property that is type hinted more strictly.
For example, imagine you have a variable
$accountId
that can either hold an Id object or false (if there is no account id yet). Your code now assigns that value to theid
property of an instance of theAccount
class. This class holds a proper account, so the id value must no longer be false.Either this assignment is in error or a type check should be added for that assignment.