Jkphl\Respimgcss\Application\Factory\CalcLengthFactory

Complexity

Total Complexity

2

Size/Duplication

Total Lines	23
Duplicated Lines	0 %

Test Coverage

Coverage

75%

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
A	createFromString()	0	21	2

<?php

/**
 * responsive-images-css
 *
 * @category   Jkphl
 * @package    Jkphl\Respimgcss
 * @subpackage Jkphl\Respimgcss\Application\Factory
 * @author     Joschi Kuphal <joschi@tollwerk.de> / @jkphl
 * @copyright  Copyright © 2018 Joschi Kuphal <joschi@tollwerk.de> / @jkphl
 * @license    http://opensource.org/licenses/MIT The MIT License (MIT)
 */

/***********************************************************************************
 *  The MIT License (MIT)
 *
 *  Copyright © 2018 Joschi Kuphal <joschi@kuphal.net> / @jkphl
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy of
 *  this software and associated documentation files (the "Software"), to deal in
 *  the Software without restriction, including without limitation the rights to
 *  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 *  the Software, and to permit persons to whom the Software is furnished to do so,
 *  subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all
 *  copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 *  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 *  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 *  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 *  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 ***********************************************************************************/

namespace Jkphl\Respimgcss\Application\Factory;

use Jkphl\Respimgcss\Application\Exceptions\InvalidArgumentException;
use Sabberworm\CSS\Parser;
use Sabberworm\CSS\Rule\Rule;
use Sabberworm\CSS\RuleSet\DeclarationBlock;
use Sabberworm\CSS\Value\CSSFunction;

/**
 * Length factory for calc() based values
 *
 * @package    Jkphl\Respimgcss
 * @subpackage Jkphl\Respimgcss\Application\Factory
 */
class CalcLengthFactory
{
    public static function createFromString(string $calcStr)
    {
        // If the calc() string is ill-formatted
        if (!preg_match('/^calc\(.+\)$/', $calcStr)) {
            throw new InvalidArgumentException(
                sprintf(InvalidArgumentException::ILL_FORMATTED_CALC_LENGTH_STRING_STR, $calcStr),
                InvalidArgumentException::ILL_FORMATTED_CALC_LENGTH_STRING
            );
        }

        // Parse using a dummy shell
        $parser      = new Parser("a{width:$calcStr}");
        $cssDocument = $parser->parse();
        /** @var DeclarationBlock $cssDeclarationBlock */
        $cssDeclarationBlock = $cssDocument->getContents()[0];
        /** @var Rule $cssRule */
        $cssRule = $cssDeclarationBlock->getRules()[0];
        /** @var CSSFunction $cssFunction */
        $cssFunction = $cssRule->getValue();
        print_r($cssFunction->getName());
        echo $calcStr;
    }
}