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<?php |
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/** |
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* This file is a part of "Axessors" library. |
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* |
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* @author <[email protected]> |
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* @license GPL |
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*/ |
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namespace NoOne4rever\Axessors; |
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use NoOne4rever\Axessors\Exceptions\TypeError; |
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/** |
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* Class ConditionsSuit. |
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* |
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* Processes Axessors conditions. |
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* |
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* @package NoOne4rever\Axessors |
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*/ |
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class ConditionsRunner extends RunningSuit |
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{ |
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/** @var string method name */ |
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private $method; |
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/** |
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* ConditionsSuit constructor. |
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* |
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* @param int $mode mode of execution |
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* @param PropertyData $data property data |
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* @param string $class class |
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* @param string $method method name |
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* @param object|null $object object |
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*/ |
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public function __construct(int $mode, PropertyData $data, string $class, string $method, $object = null) |
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{ |
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parent::__construct($mode, $data, $class, $object); |
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$this->method = $method; |
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} |
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/** |
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* Checks the conditions defined in the Axessors comment. |
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* |
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* Creates logical tree of the conditions and then checks if the general result is true. |
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* |
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* @param $value mixed value of the property |
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* @return bool result of checking of the conditions |
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*/ |
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public function processConditions($value): bool |
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{ |
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$conditions = $this->calculateConditions($value); |
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if (empty($conditions)) { |
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return true; |
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} else { |
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return array_reduce($conditions, function ($carry, $item) { |
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return $this->reduce($carry, $item, true); |
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}); |
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} |
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} |
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/** |
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* Reduces conditions tree and returns the result. |
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* |
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* @param mixed $carry previous item |
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* @param mixed $item item |
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* @param bool $mode mode |
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* @return bool the result of reducing |
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*/ |
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private function reduce($carry, $item, bool $mode): bool |
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{ |
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if ($item === $mode || $carry === $mode) { |
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return $mode; |
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} elseif (is_array($item)) { |
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return array_reduce($item, function ($carry, $item) { |
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return $this->reduce($carry, $item, false); |
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}); |
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} else { |
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return !$mode; |
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} |
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} |
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/** |
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* Calculates every condition defined in the Axessors comment. |
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* |
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* @param $value mixed value of the property |
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* @return bool[] results of the conditions |
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*/ |
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private function calculateConditions($value): array |
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{ |
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$calculatedConditions = []; |
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$conditions = $this->mode == RunningSuit::OUTPUT_MODE ? $this->propertyData->getOutputConditions() : $this->propertyData->getInputConditions(); |
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foreach ($conditions as $number => $complexCondition) { |
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if (is_array($complexCondition)) { |
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foreach ($complexCondition as $condition) { |
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$calculatedConditions[$number][] = $this->executeCondition($condition, $value); |
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} |
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} else { |
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$calculatedConditions[$number] = $this->executeCondition($complexCondition, $value); |
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} |
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} |
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return $calculatedConditions; |
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} |
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/** |
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* Calculates a condition defined in the Axessors comment. |
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* |
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* @param $condition string the condition |
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* @param $value mixed value of the property |
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* @return bool result of the condition |
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*/ |
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private function executeCondition(string $condition, $value): bool |
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{ |
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if (strpos($condition, '`') !== false) { |
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return $this->executeInjectedString($condition, $value, true); |
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} else { |
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return $this->runStandardCondition($condition, $value); |
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} |
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} |
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/** |
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* Runs Axessors condition. |
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* |
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* @param string $condition condition |
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* @param mixed $value value to check |
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* @return bool the result of the checkout |
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*/ |
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private function runStandardCondition(string $condition, $value): bool |
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{ |
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$value = $this->count($value); |
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if (strpos($condition, '..') !== false) { |
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$condition = explode('..', $condition); |
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$condition = "<= {$condition[1]} && $value >= {$condition[0]}"; |
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} |
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return eval("return $value $condition;"); |
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} |
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/** |
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* Casts the property to integer. |
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* |
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* If the property is string or array returns it's length. |
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* If the property is integer of float returns the property itself. |
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* |
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* @param $value mixed value of the property |
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* @return int integer value of the property |
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* @throws TypeError if the property can't be turned into integer |
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*/ |
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private function count($value): int |
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{ |
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switch (gettype($value)) { |
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case 'integer': |
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case 'float': |
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break; |
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case 'string': |
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$value = strlen($value); |
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break; |
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case 'array': |
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$value = count($value); |
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break; |
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default: |
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throw new TypeError('value "' . var_export($value, true) . "\" passed to {$this->class}::{$this->method}() is not countable"); |
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} |
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return $value; |
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} |
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} |
NoOne4rever /
Axessors
