TreeHouse\IoBundle\Item\Modifier\Data\Transformer\MultiLineToSingleLineTransformer

Complexity

Total Complexity

4

Size/Duplication

Total Lines	25
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	1

Test Coverage

Coverage

75%

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
A	transform()	0	22	4

<?php

namespace TreeHouse\IoBundle\Item\Modifier\Data\Transformer;

use Symfony\Component\HttpFoundation\ParameterBag;
use TreeHouse\Feeder\Exception\TransformationFailedException;
use TreeHouse\Feeder\Modifier\Data\Transformer\TransformerInterface;

class MultiLineToSingleLineTransformer implements TransformerInterface
{
    public function transform($value, $key = null, ParameterBag $item = null)
    {
        if (is_null($value)) {
            return $value;
        }

        if (is_scalar($value)) {
            $value = (string) $value;
        }

        if (!is_string($value)) {
            throw new TransformationFailedException(
                sprintf('Expected a string to transform, got %s instead', json_encode($value))
            );
        }

        $value = preg_replace('/\n{1,}/', ' ', $value); // replace newlines with single newline
        $value = preg_replace('/ {2,}/', ' ', $value);  // replace double spaces with single space
        $value = trim($value);                          // trim leading and trailing spaces

        return $value;
    }
}