105 lines
2.6 KiB
PHP
105 lines
2.6 KiB
PHP
<?php
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namespace sammo\Event\Condition;
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class Logic extends sammo\Event\Condition{
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private $mode = 'and';
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private $conditions = [];
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const AVAILABLE_LOGIC_NAME = [
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'not'=>false,
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'and'=>true,
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'or'=>true,
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'xor'=>true
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];
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public function __construct(string $mode, ...$conditions){
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$mode = strtolower($mode);
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if(!array_key_exists($mode, self::AVAILABLE_LOGIC_NAME)){
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throw new \InvalidArgumentException('첫번째 인자는 not, and, or, xor 중 하나여야 합니다.');
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}
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if(!self::AVAILABLE_LOGIC_NAME[$mode] && count($conditions)>1){
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throw new \InvalidArgumentException('조건을 하나만 받을 수 있습니다.');
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}
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$this->mode = $mode;
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$this->conditions = $conditions;
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}
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public function eval($env=null){
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switch($this->$mode){
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case 'not':
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return $this->logicNot($env);
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case 'and':
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return $this->logicAnd($env);
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case 'or':
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return $this->logicOr($env);
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case 'xor':
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return $this->logicXor($env);
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}
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throw new \InvalidArgumentException('올바르지 않은 mode.');
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}
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private function logicNot($env){
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$sub = self::_eval($this->conditions[0], $env);
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$result['value'] = !$result['value'];
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$result['chain'][] = 'not';
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return $result;
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}
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private function logicAnd($env){
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$value = true;
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$chain = [];
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foreach($this->conditions as $cond){
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$sub = self::_eval($cond, $env);
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$chain[] = $sub['chain'];
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if(!$sub['value']){
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$result['value'] = false;
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break;
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}
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}
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return [
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'value'=>$value,
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'chain'=>[$chain, 'and']
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];
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}
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private function logicOr($env){
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$value = false;
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$chain = [];
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foreach($this->conditions as $cond){
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$sub = self::_eval($cond, $env);
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$chain[] = $sub['chain'];
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if($sub['value']){
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$result['value'] = true;
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break;
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}
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}
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return [
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'value'=>$value,
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'chain'=>[$chain, 'or']
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];
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}
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private function logicXor($env){
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$value = false;
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$chain = [];
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foreach($this->conditions as $cond){
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$sub = self::_eval($cond, $env);
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$chain[] = $sub['chain'];
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$value ^= $sub['value'];
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}
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return [
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'value'=>$value,
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'chain'=>[$chain, 'xor']
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];
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}
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} |