Arguments.php

<?php
 
namespace Bitrix\Bizproc\Calc;
 
class Arguments
{
    protected Parser $parser;
    protected array $args;
 
    public function __construct(Parser $parser, ?array $args = null)
    {
        $this->parser = $parser;
        $this->args = $args ?? [];
    }
 
    public function getParser(): Parser
    {
        return $this->parser;
    }
 
    public function setArgs(array $args): self
    {
        $this->args = $args;
 
        return $this;
    }
 
    public function getArray(): array
    {
        return $this->args;
    }
 
    public function getFlatArray(): array
    {
        return \CBPHelper::flatten($this->args);
    }
 
    public function getFirst()
    {
        return $this->args[0] ?? null;
    }
 
    public function getFirstSingle()
    {
        return $this->toSingle($this->getFirst());
    }
 
    public function getSecond()
    {
        return $this->args[1] ?? null;
    }
 
    public function getSecondSingle()
    {
        return $this->toSingle($this->getSecond());
    }
 
    public function getThird()
    {
        return $this->args[2] ?? null;
    }
 
    public function getThirdSingle()
    {
        return $this->toSingle($this->getThird());
    }
 
    public function getArg(int $position)
    {
        return $this->args[$position] ?? null;
    }
 
    public function getArgSingle(int $position)
    {
        return $this->toSingle($this->getArg($position));
    }
 
    private function toSingle($value)
    {
        return is_array($value) ? array_shift($value) : $value;
    }
}