Starlit\App\ViewHelper\Capturer

Complexity

Total Complexity

9

Size/Duplication

Total Lines	57
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	__invoke()	0	8	2
A	getContentKey()	0	4	1
A	start()	0	5	1
A	end()	0	11	2
A	getContent()	0	12	3

<?php declare(strict_types=1);
/**
 * Starlit App.
 *
 * @copyright Copyright (c) 2016 Starweb AB
 * @license   BSD 3-Clause
 */

namespace Starlit\App\ViewHelper;

class Capturer extends AbstractViewHelper
{
    /**
     * @var array
     */
    protected $capturedContent = [];

    /**
     * @var string
     */
    protected $activeContentKey;

    public function __invoke(string $contentKey = null): AbstractViewHelper
    {
        if ($contentKey !== null) {
            $this->activeContentKey = $contentKey;
        }

        return $this;
    }

    public function getContentKey(): string
    {
        return $this->activeContentKey;
    }

    public function start(): void
    {
        // Start capturing
        \ob_start();
    }

    public function end(): AbstractViewHelper
    {
        if (empty($this->activeContentKey)) {
            throw new \LogicException('Specify view helper Capturer\'s content key for ending capture');
        }

        // Get the captured contents and end this output buffer
        $this->capturedContent[$this->activeContentKey] = \ob_get_clean();

        return $this;
    }

    public function getContent(): string
    {
        if (empty($this->activeContentKey)) {
            throw new \LogicException('Specify view helper Capturer\'s content key for getting content');
        }
        if (!isset($this->capturedContent[$this->activeContentKey])) {
            $errorMsg = "View helper Capturer does not have any content for key \"{$this->activeContentKey}\"";
            throw new \LogicException($errorMsg);
        }

        return $this->capturedContent[$this->activeContentKey];
    }
}