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<?php
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namespace Vanderlee\Comprehend\Builder;
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use Vanderlee\Comprehend\Parser\Parser;
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trait RuleToParserTrait
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{
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/**
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* List of static methods (in order) to attempt instantiating a rule
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*
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* @var string[]
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*/
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private static $ruleToParserMethods = [
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'definitionRuleToParser',
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'parserRuleToParser',
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'callableRuleToParser',
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'classnameRuleToParser',
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'argumentRuleToParser',
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];
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/**
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* @param mixed $rule
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* @param array $arguments
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* @return Implementation
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* @SuppressWarnings(PHPMD.UnusedPrivateMethod)
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*/
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private static function definitionRuleToParser(&$rule, $arguments)
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{
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if ($rule instanceof Definition) {
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return new Implementation($rule, $arguments);
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}
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return null;
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}
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/**
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* @param mixed $rule
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* @return Parser
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* @SuppressWarnings(PHPMD.UnusedPrivateMethod)
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*/
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private static function parserRuleToParser(&$rule)
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{
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if ($rule instanceof Parser) {
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return clone $rule;
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}
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return null;
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}
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/**
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* @param mixed $rule
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* @param array $arguments
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* @return Parser
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* @SuppressWarnings(PHPMD.UnusedPrivateMethod)
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*/
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private static function callableRuleToParser(&$rule, $arguments)
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{
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if (is_callable($rule)) {
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return $rule(...$arguments);
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}
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return null;
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}
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/**
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* @param mixed $rule
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* @param array $arguments
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* @return Parser
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* @SuppressWarnings(PHPMD.UnusedPrivateMethod)
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*/
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8 |
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private static function classnameRuleToParser(&$rule, $arguments)
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{
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if (is_string($rule)
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&& class_exists($rule)
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&& is_subclass_of($rule, Parser::class)) {
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return new $rule(...$arguments);
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}
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return null;
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}
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/**
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* @param mixed $rule
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* @return Parser
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* @SuppressWarnings(PHPMD.UnusedPrivateMethod)
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*/
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private static function argumentRuleToParser(&$rule)
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{
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if (is_array($rule)
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|| is_string($rule)
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|| is_int($rule)) {
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return self::getArgument($rule);
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}
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return null;
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}
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/**
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100
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* @param Mixed $rule
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* @param $arguments
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* @return Parser|null
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*/
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private static function ruleToParser(&$rule, $arguments)
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{
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foreach (self::$ruleToParserMethods as $ruleToParserMethod) {
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$instance = self::$ruleToParserMethod($rule, $arguments);
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if ($instance) {
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return $instance;
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}
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111
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}
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112
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113
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2 |
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return null;
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114
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}
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115
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} |
vanderlee /
Comprehend
