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<?php |
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declare(strict_types=1); |
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/** |
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* Highlighter |
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* |
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* Copyright (C) 2016, Some right reserved. |
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* |
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* @author Kacper "Kadet" Donat <[email protected]> |
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* |
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* Contact with author: |
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* Xmpp: [email protected] |
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* E-mail: [email protected] |
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* |
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* From Kadet with love. |
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*/ |
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namespace Kadet\Highlighter\Parser\Validator; |
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use Kadet\Highlighter\Parser\Context; |
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class Validator |
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{ |
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public const CONTEXT_NOT_IN = 2; |
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public const CONTEXT_IN = 1; |
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public const CONTEXT_IN_ONE_OF = 4; |
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public const CONTEXT_EXACTLY = 8; |
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public const CONTEXT_ON_TOP = 16; |
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public const CONTEXT_REGEX = 32; |
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private $_rules = []; |
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/** |
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* Validator constructor. |
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* |
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* @param array $rules |
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*/ |
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public function __construct(array $rules = []) |
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{ |
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$this->setRules($rules); |
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} |
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public function validate(Context $context, $additional = []) |
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{ |
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return $this->_validate($context->stack, $additional + $this->_rules); |
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} |
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public function setRules($rules) |
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{ |
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if (empty($rules)) { |
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$this->_rules = [ 'none' => Validator::CONTEXT_IN_ONE_OF ]; |
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} else { |
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foreach ($rules as $key => $rule) { |
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list($plain, $type) = $this->_parse($rule); |
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$this->_rules[$plain] = $type; |
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} |
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} |
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} |
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private function _clean($rule, &$required) |
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{ |
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if (strpos($rule, '.') !== false) { |
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$parents = array_filter(array_keys($required), function ($key) use ($rule) { |
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return fnmatch($key . '.*', $rule); |
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}); |
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foreach ($parents as $remove) { |
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unset($required[$remove]); |
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} |
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} |
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} |
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protected function _validate($context, $rules, $result = false) |
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{ |
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if (empty($context)) { |
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$context = ['none']; |
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} |
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foreach ($rules as $rule => &$type) { |
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$matched = $this->_matches($context, $rule, $type); |
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if ($type & Validator::CONTEXT_NOT_IN) { |
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if ($matched) { |
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return false; |
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} |
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$result = true; |
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} elseif ($type & Validator::CONTEXT_IN) { |
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if (!$matched) { |
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return false; |
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} |
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$result = true; |
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$this->_clean($rule, $rules); |
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} elseif ($type & Validator::CONTEXT_IN_ONE_OF) { |
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if ($matched) { |
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$result = true; |
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$this->_clean($rule, $rules); |
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} |
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} |
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} |
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return $result; |
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} |
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private function _parse($rule) |
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{ |
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$types = [ |
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'!' => Validator::CONTEXT_NOT_IN, |
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'+' => Validator::CONTEXT_IN, |
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'*' => Validator::CONTEXT_IN_ONE_OF, |
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'@' => Validator::CONTEXT_EXACTLY, |
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// '^' => Validator::CONTEXT_ON_TOP, |
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'~' => Validator::CONTEXT_REGEX |
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]; |
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if (!isset($types[$rule[0]])) { |
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return [$rule, Validator::CONTEXT_IN]; |
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} |
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$type = 0; |
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$pos = 0; |
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foreach (str_split($rule) as $pos => $char) { |
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if (!isset($types[$char])) { |
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break; |
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} |
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$type |= $types[$char]; |
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} |
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$rule = substr($rule, $pos); |
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if ($type & self::CONTEXT_REGEX) { |
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$rule = "/^$rule(\\.\\w+)?/i"; |
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} |
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return [$rule, $type]; |
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} |
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private function _matches($context, $rule, $type) |
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{ |
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if ($type & self::CONTEXT_EXACTLY) { |
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return in_array($rule, $context, true); |
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} elseif ($type & self::CONTEXT_REGEX) { |
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foreach ($context as $item) { |
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if (preg_match($rule, $item)) { |
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return true; |
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} |
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} |
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return false; |
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} else { |
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if (in_array($rule, $context, true)) { |
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return true; |
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} |
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foreach ($context as $item) { |
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if (fnmatch("$rule.*", $item)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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} |
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public static function everywhere() |
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{ |
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static $validator; |
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if (!$validator) { |
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$validator = new DelegateValidator(function () { |
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return true; |
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}); |
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} |
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return $validator; |
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} |
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} |
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kadet1090 /
KeyLighter
