mambax7/pedigree

<?php

namespace XoopsModules\Pedigree;

use XoopsModules\Pedigree;

/**
 * Class Pedigree\SISContext
 */
class SISContext
{
    private $contexts;
    private $depth;

    /**
     * SISContext constructor.
     */
    public function __construct()
    {
        $this->contexts = [];
        $this->depth    = 0;
    }

    /**
     * @param $url
     * @param $name
     */
    public function myGoto($url, $name)
    {
        $keys = \array_keys($this->contexts);
        for ($i = 0; $i < $this->depth; ++$i) {
            if ($keys[$i] == $name) {
                $this->contexts[$name] = $url; // the url might be slightly different
                $this->depth           = $i + 1;

                $contextsCount = \count($this->contexts);
                /** @internal test new calc below - should be faster than for loop w/ array_pop */
                /*
                $newLen = $contextsCount - $this->depth;
                array_slice($this->contexts, 0, $newLen);
                */
                for ($contextsCount; $contextsCount > $this->depth; $contextsCount--) {
                    \array_pop($this->contexts);
                }

                return;
            }
        }

        $this->contexts[$name] = $url;
        $this->depth++;
    }

    /**
     * @return array
     */
    public function getAllContexts()
    {
        return $this->contexts;
    }

    /**
     * @return array
     */
    public function getAllContextNames()
    {
        return \array_keys($this->contexts);
    }
}