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<?php |
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/** |
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* Author: Nil Portugués Calderó <[email protected]> |
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* Date: 12/29/14 |
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* Time: 9:53 PM |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace NilPortugues\Validator\Factory; |
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/** |
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* Class ValidatorRule |
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* @package NilPortugues\Validator\Factory |
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*/ |
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class ValidatorRule |
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{ |
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protected static $rules = []; |
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/** |
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* |
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*/ |
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protected function __construct() |
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{ |
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} |
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/** |
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* @return static |
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*/ |
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public static function getInstance() |
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{ |
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static $instance = null; |
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if (null === $instance) { |
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$instance = new static(); |
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} |
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return $instance; |
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} |
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/** |
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* @param \NilPortugues\Validator\AbstractValidator $validatorType |
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* @param string $rule |
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* |
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* @return array |
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*/ |
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public static function parseRule($validatorType, $rule) |
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{ |
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$className = \get_class($validatorType); |
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if (empty(self::$rules[$className])) { |
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self::buildRules($validatorType, $className); |
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} |
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$ruleName = \explode(":", $rule); |
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$methodName = self::getMethodName($className, $ruleName[0]); |
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$arguments = \substr($rule, \strlen($ruleName[0]) + 1, \strlen($rule)); |
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$arguments = \explode(":", $arguments); |
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$arguments = self::convertStringBooleanToBoolean($arguments); |
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return [$methodName, $arguments]; |
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} |
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/** |
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* @param \NilPortugues\Validator\AbstractValidator $validatorType |
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* @param string $key |
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*/ |
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private static function buildRules($validatorType, $key) |
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{ |
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$classMethods = self::extractValidatorMethods($validatorType); |
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$funcMethods = []; |
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foreach ($classMethods as $method) { |
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$camelCase = self::camelCaseToUnderscore($method); |
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$funcMethods[$method] = $method; |
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$funcMethods[$camelCase] = $method; |
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if (self::startsWith($camelCase, 'is_')) { |
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$methodAlias = \str_replace('is_', '', $camelCase); |
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$funcMethods[$methodAlias] = $method; |
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} |
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} |
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self::$rules[$key] = $funcMethods; |
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} |
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/** |
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* @param \NilPortugues\Validator\AbstractValidator $validatorType |
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* |
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* @return array |
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*/ |
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private static function extractValidatorMethods($validatorType) |
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{ |
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$classMethods = \get_class_methods($validatorType); |
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$remove = ['__construct', 'validate', 'setError', 'getErrors']; |
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return self::unsetValues($classMethods, $remove); |
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} |
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/** |
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* @param array $data |
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* @param string[] $removeValues |
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* |
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* @return array |
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*/ |
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private static function unsetValues(array &$data, array &$removeValues) |
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{ |
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foreach ($removeValues as $value) { |
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$position = \array_search($value, $data); |
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if ($position !== false) { |
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unset($data[$position]); |
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} |
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} |
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return $data; |
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} |
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/** |
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* @param $camel |
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* @param string $splitter |
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* |
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* @return string |
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*/ |
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private static function camelCaseToUnderscore($camel, $splitter = "_") |
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{ |
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$camel = \preg_replace( |
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'/(?!^)[[:upper:]][[:lower:]]/', |
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'$0', |
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\preg_replace('/(?!^)[[:upper:]]+/', $splitter . '$0', $camel) |
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); |
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return \strtolower($camel); |
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} |
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/** |
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* @param string $haystack |
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* @param string $needle |
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* |
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* @return bool |
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*/ |
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private static function startsWith($haystack, $needle) |
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{ |
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return \substr($haystack, 0, \strlen($needle)) === $needle; |
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} |
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/** |
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* @param string $key |
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* @param $rule |
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* |
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* @return string |
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*/ |
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private static function getMethodName($key, $rule) |
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{ |
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return self::$rules[$key][$rule]; |
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} |
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/** |
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* @param $arguments |
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* |
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* @return mixed |
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*/ |
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private static function convertStringBooleanToBoolean($arguments) |
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{ |
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$toBoolean = ['true' => true, 'false' => false]; |
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foreach ($arguments as &$argument) { |
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$toLower = \strtolower($argument); |
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if (\array_key_exists($toLower, $toBoolean)) { |
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$argument = $toBoolean[$toLower]; |
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} |
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} |
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return $arguments; |
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} |
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} |
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nilportugues /
validator
