Vanderlee\Comprehend\Match\Output\TokenTrait

Complexity

Total Complexity

5

Size/Duplication

Total Lines	47
Duplicated Lines	0 %

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	processTokenCallback()	0	13	3
A	setTokenCallback()	0	5	1
A	getToken()	0	3	1

<?php


namespace Vanderlee\Comprehend\Match\Output;


use Vanderlee\Comprehend\Core\Token;


trait TokenTrait

{


    /**

     * List of callbacks to process for tokens

     * @var callable

     */

    private $tokenCallback = null;


    /**

     * Add a callback to this match, to be called after parsing is finished and

     * only if this match was part of the matched rules.

     *

     * @param callable $callback

     * @return $this

     */

    public function setTokenCallback(callable $callback)

    {

        $this->tokenCallback = $callback;


        return $this;

    }


    /**

     * @return Token

     */

    private function processTokenCallback()

    {

        $children = [];

        /** @var self $success */

        foreach ($this->successes as $success) {

            $children[] = $success->processTokenCallback();

        }


        if ($this->tokenCallback) {

            return ($this->tokenCallback)($children);

        }


        return null;

    }


    /**

     * @return Token

     */

    public function getToken()

    {

        return $this->processTokenCallback();

    }

}