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<?php |
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namespace Magister\Services\Support; |
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/** |
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* Class NamespacedItemResolver. |
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*/ |
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class NamespacedItemResolver |
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{ |
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/** |
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* A cache of the parsed items. |
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* |
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* @var array |
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*/ |
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protected $parsed = []; |
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/** |
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* Parse a key into namespace, group, and item. |
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* |
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* @param string $key |
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* |
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* @return array |
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*/ |
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public function parseKey($key) |
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{ |
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if (isset($this->parsed[$key])) { |
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return $this->parsed[$key]; |
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} |
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if (strpos($key, '::') === false) { |
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$segments = explode('.', $key); |
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$parsed = $this->parseBasicSegments($segments); |
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} else { |
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$parsed = $this->parseNamespacedSegments($key); |
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} |
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return $this->parsed[$key] = $parsed; |
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} |
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/** |
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* Parse an array of basic segments. |
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* |
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* @param array $segments |
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* |
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* @return array |
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*/ |
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protected function parseBasicSegments(array $segments) |
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{ |
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$group = $segments[0]; |
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if (count($segments) == 1) { |
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return [null, $group, null]; |
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} else { |
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$item = implode('.', array_slice($segments, 1)); |
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return [null, $group, $item]; |
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} |
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} |
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/** |
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* Parse an array of namespaced segments. |
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* |
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* @param string $key |
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* |
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* @return array |
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*/ |
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protected function parseNamespacedSegments($key) |
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{ |
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list($namespace, $item) = explode('::', $key); |
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$itemSegments = explode('.', $item); |
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$groupAndItem = array_slice($this->parseBasicSegments($itemSegments), 1); |
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return array_merge([$namespace], $groupAndItem); |
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} |
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/** |
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* Set the parsed value of a key. |
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* |
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* @param string $key |
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* @param array $parsed |
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* |
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* @return void |
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*/ |
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public function setParsedKey($key, $parsed) |
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{ |
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$this->parsed[$key] = $parsed; |
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} |
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} |
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Stanvk /
Magister
