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<?php |
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namespace Groundskeeper; |
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use Symfony\Component\OptionsResolver\OptionsResolver; |
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class Configuration |
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{ |
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/** @var array */ |
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private $options; |
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/** |
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* Constructor |
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*/ |
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public function __construct(array $options = array()) |
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{ |
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$resolver = new OptionsResolver(); |
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$this->configureOptions($resolver); |
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$this->options = $resolver->resolve($options); |
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$this->setDependentOptions(); |
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} |
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public function has($key) |
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{ |
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return array_key_exists($key, $this->options); |
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} |
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public function get($key) |
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{ |
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if (!$this->has($key)) { |
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throw new \InvalidArgumentException('Invalid configuration key: ' . $key); |
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} |
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return $this->options[$key]; |
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} |
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public function isAllowedType($type) |
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{ |
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$disallowedTypeArray = explode(',', $this->options['remove-types']); |
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foreach ($disallowedTypeArray as $disallowedType) { |
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if (strtolower(trim($disallowedType)) == $type) { |
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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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protected function configureOptions(OptionsResolver $resolver) |
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{ |
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// Set default options. |
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$resolver->setDefaults(array( |
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'indent-spaces' => 4, |
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'output' => 'compact', |
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'remove-types' => 'none', |
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'strategy' => 'standard', |
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'throw-on-error' => false |
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)); |
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// Validation |
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// indent-spaces |
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$resolver->setAllowedTypes('indent-spaces', 'int'); |
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$resolver->setAllowedValues('indent-spaces', function ($value) { |
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return $value >= 0; |
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} |
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); |
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// output |
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$resolver->setAllowedTypes('output', 'string'); |
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$resolver->setAllowedValues('output', array('compact', 'pretty')); |
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// remove-types |
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$resolver->setAllowedTypes('remove-types', 'string'); |
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$resolver->setAllowedValues('remove-types', function ($value) { |
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if ($value == 'none') { |
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return true; |
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} |
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$acceptedValues = array( |
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'cdata', |
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'comment', |
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'doctype', |
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'element', |
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'text' |
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); |
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$valueArray = explode(',', $value); |
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foreach ($valueArray as $val) { |
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if (array_search(trim(strtolower($val)), $acceptedValues) === false) { |
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return false; |
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} |
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} |
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return true; |
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} |
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); |
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// strategy |
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$resolver->setAllowedTypes('strategy', 'string'); |
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$resolver->setAllowedValues('strategy', array('none', 'standard')); |
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// throw-on-error |
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$resolver->setAllowedTypes('throw-on-error', 'bool'); |
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} |
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protected function setDependentOptions() |
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{ |
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if ($this->options['output'] == 'compact') { |
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$this->options['indent-spaces'] = 0; |
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} |
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} |
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} |
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kevintweber /
Groundskeeper
