Swaggest\JsonSchema\Helper

Complexity

Total Complexity

19

Size/Duplication

Total Lines	78
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	1

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
B	toPregPattern()	0	22	5
D	resolveURI()	0	30	9
B	padLines()	0	13	5

<?php

namespace Swaggest\JsonSchema;


class Helper
{
    public static function toPregPattern($jsonPattern)
    {
        static $delimiters = array('/', '#', '+', '~', '%');

        $pattern = false;
        foreach ($delimiters as $delimiter) {
            if (strpos($jsonPattern, $delimiter) === false) {
                $pattern = $delimiter . $jsonPattern . $delimiter . 'u';
                break;
            }
        }

        if (false === $pattern) {
            throw new InvalidValue('Failed to prepare preg pattern');
        }

        if (@preg_match($pattern, '') === false) {
            throw new InvalidValue('Regex pattern is invalid: ' . $jsonPattern);
        }

        return $pattern;
    }

    /**
     * @param $parent
     * @param $current
     * @return string
     * @todo getaway from zeroes
     */
    public static function resolveURI($parent, $current)
    {
        if ($current === '') {
            return $parent;
        }

        $parentParts = explode('#', $parent, 2);
        $currentParts = explode('#', $current, 2);

        $resultParts = array($parentParts[0], '');
        if (isset($currentParts[1])) {
            $resultParts[1] = $currentParts[1];
        }

        if (isset($currentParts[0]) && $currentParts[0]) {
            if (strpos($currentParts[0], '://')) {
                $resultParts[0] = $currentParts[0];
            } elseif ('/' === substr($currentParts[0], 0, 1)) {
                $resultParts[0] = $currentParts[0];
                if ($pos = strpos($parentParts[0], '://')) {
                    $resultParts[0] = substr($parentParts[0], 0, strpos($parentParts[0], '/', $pos)) . $resultParts[0];
                }
            } elseif (false !== $pos = strrpos($parentParts[0], '/')) {
                $resultParts[0] = substr($parentParts[0], 0, $pos + 1) . $currentParts[0];
            }
        }

        $result = $resultParts[0] . '#' . $resultParts[1];
        return $result;
    }


    public static function padLines($with, $text, $skipFirst = true)
    {
        $lines = explode("\n", $text);
        foreach ($lines as $index => $line) {
            if ($skipFirst && !$index) {
                continue;
            }
            if ($line) {
                $lines[$index] = $with . $line;
            }
        }
        return implode("\n", $lines);
    }

}