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<?php |
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declare(strict_types=1); |
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namespace Cascader; |
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use Cascader\Exception\InvalidOptionsException; |
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use Cascader\Exception\OptionNotSetException; |
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class Options |
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{ |
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/** |
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* @var array |
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*/ |
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protected $options; |
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final protected function __construct(array $options) |
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{ |
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$this->options = $options; |
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} |
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public static function fromArray(array $options) |
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{ |
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self::validate($options); |
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$options = self::normalize($options); |
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return new static($options); |
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} |
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final protected static function validate(array $options) |
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{ |
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foreach ($options as $key => $value) { |
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if (! \is_string($key)) { |
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throw InvalidOptionsException::invalidKeys(); |
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} |
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} |
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} |
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final protected static function normalize(array $options) : array |
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{ |
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$normalizedOptions = []; |
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foreach ($options as $key => $value) { |
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$normalizedOptions[$key] = $value; |
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$normalizedKey = str_replace(' ', '', ucwords(str_replace(['_', '-'], ' ', $key))); |
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$normalizedKey[0] = strtolower($normalizedKey[0]); |
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$normalizedOptions[$normalizedKey] = $value; |
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} |
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return $normalizedOptions; |
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} |
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public function has(string $key) : bool |
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{ |
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return array_key_exists($key, $this->options); |
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} |
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public function get(string $key) |
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{ |
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if (! $this->has($key)) { |
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throw OptionNotSetException::forKey($key); |
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} |
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return $this->options[$key]; |
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} |
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} |
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nikolaposa /
cascader
