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<?php |
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namespace Lincable; |
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use League\Flysystem\Util; |
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use Lincable\Parsers\Parser; |
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use Lincable\Contracts\Compilers\Compiler; |
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class UrlCompiler implements Compiler |
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{ |
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/** |
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* The parser instance. |
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* |
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* @var \Lincable\Parsers\Parser |
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*/ |
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protected $parser; |
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/** |
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* Create a new class instance. |
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* |
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* @param \Lincable\Parsers\Parser|null $parser |
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* @return void |
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*/ |
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public function __construct(Parser $parser = null) |
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{ |
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$this->parser = $parser; |
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} |
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/** |
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* Compile a given url through the parser. |
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* |
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* @param string $url |
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* @return string |
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*/ |
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public function compile(string $url): string |
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{ |
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// Parse each fragment on url. |
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$fragments = array_map(function ($fragment) { |
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if ($this->getParser()->isParameterDynamic($fragment)) { |
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// We assume the parameter fragment is dynamic for |
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// parser, then we can parse it without receiving an exception |
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// in case the fragment is not dynamic. |
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return $this->getParser()->parse($fragment); |
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} |
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return $fragment; |
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}, $this->parseUrlFragments($url)); |
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return $this->buildUrlFragments($fragments); |
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} |
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/** |
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* Get all dynamic parameters on url based on parser. |
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* |
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* @return array |
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*/ |
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public function parseDynamics(string $url): array |
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{ |
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$fragments = $this->parseUrlFragments($url); |
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$dynamicParameters = array_filter($fragments, function ($parameter) { |
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// Determine wheter the parameter is dynamic on parser |
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// and should be kept. |
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return $this->getParser()->isParameterDynamic($parameter); |
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}); |
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return array_map(function ($parameter) { |
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// Return the matches for the dynamic parameter. |
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return $this->getParser()->getMatches($parameter); |
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}, array_values($dynamicParameters)); |
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} |
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/** |
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* Determine wheter the url has dynamic parameters. |
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* |
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* @param string $url |
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* @return bool |
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*/ |
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public function hasDynamics(string $url): bool |
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{ |
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return ! empty(array_values($this->parseDynamics($url))); |
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} |
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/** |
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* Return all url fragments. |
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* |
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* @param string $url |
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* @return array |
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*/ |
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public function parseUrlFragments(string $url): array |
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{ |
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return explode('/', $url); |
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} |
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/** |
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* Build an url from array fragments. |
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* |
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* @param array $fragments |
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* @return string |
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*/ |
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public function buildUrlFragments(array $fragments): string |
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{ |
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return Util::normalizeRelativePath(implode('/', $fragments)); |
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} |
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/** |
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* Set the parser used on compiler. |
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* |
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* @param \Lincable\Parsers\Parser $parser |
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* @return void |
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*/ |
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public function setParser(Parser $parser) |
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{ |
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$this->parser = $parser; |
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} |
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/** |
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* Get the current parser used on compiler. |
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* |
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* @return \Lincable\Parsers\Parser |
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* |
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* @throws \Exception |
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*/ |
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public function getParser(): Parser |
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{ |
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if ($this->parser) { |
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return $this->parser; |
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} |
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throw new \Exception('No parser provided for compiler'); |
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} |
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} |
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yanmarques /
lincable
