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<?php |
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namespace LaravelPropertyBag\Settings\Rules; |
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use LaravelPropertyBag\Helpers\NameResolver; |
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use LaravelPropertyBag\Exceptions\InvalidSettingsRule; |
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class RuleValidator |
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{ |
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/** |
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* Validate the value given for the rule. |
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* |
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* @param string $rule |
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* @param mixed $value |
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* |
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* @throws InvalidSettingsRule |
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* |
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* @return bool |
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*/ |
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public function validate($rule, $value) |
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{ |
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$arguments = $this->buildArgumentArray($rule, $value); |
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$method = $this->makeRuleMethod($rule); |
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if ($this->userDefinedExists($method)) { |
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$class = NameResolver::makeRulesFileName(); |
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return call_user_func_array([$class, $method], $arguments); |
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} elseif (method_exists(Rules::class, $method)) { |
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return call_user_func_array([Rules::class, $method], $arguments); |
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} |
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throw InvalidSettingsRule::ruleNotFound($rule, $method); |
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} |
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/** |
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* String is a rule. |
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* |
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* @param string $string |
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* |
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* @return bool|string |
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*/ |
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public function isRule($string) |
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{ |
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if ($isRule = preg_match('/:(.*?):/', $string, $match)) { |
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return $match[1]; |
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} |
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return (bool) $isRule; |
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} |
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/** |
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* Make method name used to validate rule. |
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* |
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* @param string $rule |
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* |
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* @return string |
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*/ |
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protected function makeRuleMethod($rule) |
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{ |
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if (strpos($rule, '=') !== false) { |
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$rule = explode('=', $rule)[0]; |
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} |
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return 'rule'.ucfirst($rule); |
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} |
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/** |
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* User defined rule method exists. |
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* |
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* @param string $method |
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* |
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* @return bool |
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*/ |
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protected function userDefinedExists($method) |
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{ |
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$userDefined = NameResolver::makeRulesFileName(); |
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return class_exists($userDefined) && |
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method_exists($userDefined, $method); |
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} |
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/** |
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* Build argument array from rule and value. |
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* |
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* @param string $rule |
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* @param mixed $value |
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* |
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* @return array |
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*/ |
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protected function buildArgumentArray($rule, $value) |
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{ |
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$argumentString = explode('=', $rule); |
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$arguments = [$value]; |
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if (isset($argumentString[1])) { |
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return array_merge($arguments, explode(',', $argumentString[1])); |
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} |
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return $arguments; |
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} |
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} |
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zachleigh /
laravel-property-bag
