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1 efrain 1 
<?php
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namespace Aws\EndpointV2\Rule;
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use Aws\EndpointV2\Ruleset\RulesetStandardLibrary;
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class TreeRule extends AbstractRule
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{
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    /** @var array */
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    private $rules;
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    public function __construct(array $definition)
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    {
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        parent::__construct($definition);
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        $this->rules = $this->createRules($definition['rules']);
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    }
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    /**
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     * @return array
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     */
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    public function getRules()
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    {
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        return $this->rules;
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    }
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    /**
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     * If a tree rule's conditions evaluate successfully, iterate over its
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     * subordinate rules and return a result if there is one. If any of the
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     * subsequent rules are trees, the function will recurse until it reaches
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     * an error or an endpoint rule
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     *
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     * @return mixed
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     */
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    public function evaluate(
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        array $inputParameters,
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        RulesetStandardLibrary $standardLibrary
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    )
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    {
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        if ($this->evaluateConditions($inputParameters, $standardLibrary)) {
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            foreach($this->rules as $rule) {
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                $inputParametersCopy = $inputParameters;
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                $evaluation = $rule->evaluate($inputParametersCopy, $standardLibrary);
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                if ($evaluation !== false) {
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                    return $evaluation;
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                }
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            }
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        }
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        return false;
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    }
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    private function createRules(array $rules)
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    {
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        $rulesList = [];
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        forEach($rules as $rule) {
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            $ruleType = RuleCreator::create($rule['type'], $rule);
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            $rulesList[] = $ruleType;
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        }
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        return $rulesList;
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    }
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}