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<?php |
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namespace Groundskeeper; |
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use Groundskeeper\Tokens\Token; |
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use Symfony\Component\OptionsResolver\OptionsResolver; |
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class Configuration |
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{ |
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const CLEAN_STRATEGY_NONE = 'none'; |
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const CLEAN_STRATEGY_STANDARD = 'standard'; |
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const CLEAN_STRATEGY_AGGRESSIVE = 'aggressive'; |
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const ELEMENT_BLACKLIST_NONE = 'none'; |
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const ERROR_STRATEGY_NONE = 'none'; |
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const ERROR_STRATEGY_THROW = 'throw'; |
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const ERROR_STRATEGY_FIX = 'fix'; |
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const ERROR_STRATEGY_REMOVE = 'remove'; |
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const OUTPUT_COMPACT = 'compact'; |
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const OUTPUT_PRETTY = 'pretty'; |
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const TYPE_BLACKLIST_NONE = 'none'; |
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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 isAllowedElement($element) |
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{ |
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$disallowedElementArray = explode(',', $this->options['element-blacklist']); |
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foreach ($disallowedElementArray as $disallowedElement) { |
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if (strtolower(trim($disallowedElement)) == $element) { |
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return false; |
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} |
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} |
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return true; |
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} |
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public function isAllowedType($type) |
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{ |
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$disallowedTypeArray = explode(',', $this->options['type-blacklist']); |
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foreach ($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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'clean-strategy' => self::CLEAN_STRATEGY_STANDARD, |
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'element-blacklist' => self::ELEMENT_BLACKLIST_NONE, |
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'error-strategy' => self::ERROR_STRATEGY_FIX, |
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'indent-spaces' => 4, |
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'output' => self::OUTPUT_COMPACT, |
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'type-blacklist' => Token::CDATA . ',' . Token::COMMENT |
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)); |
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// Validation |
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// clean-strategy |
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$resolver->setAllowedTypes('clean-strategy', 'string'); |
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$resolver->setAllowedValues( |
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'clean-strategy', |
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array( |
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self::CLEAN_STRATEGY_NONE, |
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self::CLEAN_STRATEGY_STANDARD, |
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self::CLEAN_STRATEGY_AGGRESSIVE |
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) |
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); |
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// element-blacklist |
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$resolver->setAllowedTypes('element-blacklist', 'string'); |
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$resolver->setAllowedValues('element-blacklist', function ($value) { |
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return strlen($value) > 0; |
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} |
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); |
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// error-strategy |
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$resolver->setAllowedTypes('error-strategy', 'string'); |
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$resolver->setAllowedValues( |
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'error-strategy', |
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array( |
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self::ERROR_STRATEGY_NONE, |
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self::ERROR_STRATEGY_THROW, |
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self::ERROR_STRATEGY_FIX, |
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self::ERROR_STRATEGY_REMOVE |
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) |
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); |
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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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$resolver->setAllowedValues( |
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'output', |
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array(self::OUTPUT_COMPACT, self::OUTPUT_PRETTY) |
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); |
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// type-blacklist |
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$resolver->setAllowedTypes('type-blacklist', 'string'); |
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$resolver->setAllowedValues( |
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'type-blacklist', |
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function ($value) { |
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if ($value == self::TYPE_BLACKLIST_NONE) { |
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return true; |
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} |
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$acceptedValues = array( |
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Token::CDATA, |
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Token::COMMENT, |
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Token::DOCTYPE, |
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Token::ELEMENT, |
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Token::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)), $acceptedValues) === false) { |
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return false; |
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} |
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} |
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return true; |
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} |
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); |
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} |
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protected function setDependentOptions() |
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{ |
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if ($this->options['output'] == self::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
