Delete.php

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<?php

namespace cogpowered\FineDiff\Parser\Operations;

class Delete implements OperationInterface
{
    public function __construct($len)
    {
        $this->fromLen = $len;
    }

    public function getFromLen()
    {
        return $this->fromLen;
    }

    public function getToLen()
    {
        return 0;
    }

    public function getOpcode()
    {
        if ($this->fromLen === 1) {
            return 'd';
        }

        return "d{$this->fromLen}";
    }
}