Text.php

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<?php
 
namespace PlanetTeamSpeak\TeamSpeak3Framework\Viewer;
 
use PlanetTeamSpeak\TeamSpeak3Framework\Helper\StringHelper;
use PlanetTeamSpeak\TeamSpeak3Framework\Node\Node;

class Text implements ViewerInterface
{
    protected string $pattern = "%0%1 %2\n";

    public function fetchObject(Node $node, array $siblings = []): string
    {
        $this->currObj = $node;
        $this->currSib = $siblings;
 
        $args = [
            $this->getPrefix(),
            $this->getCorpusIcon(),
            $this->getCorpusName(),
        ];
 
        return StringHelper::factory($this->pattern)->arg($args);
    }

    protected function getPrefix(): string
    {
        $prefix = "";
 
        if (count($this->currSib)) {
            $last = array_pop($this->currSib);
 
            foreach ($this->currSib as $sibling) {
                $prefix .= ($sibling) ? "| " : "  ";
            }
 
            $prefix .= ($last) ? "\\-" : "|-";
        }
 
        return $prefix;
    }

    protected function getCorpusIcon(): string
    {
        return $this->currObj->getSymbol();
    }

    protected function getCorpusName(): string
    {
        return $this->currObj;
    }
}