Condorcet\CondorcetUtil

Complexity

Total Complexity

25

Size/Duplication

Total Lines	84
Duplicated Lines	0 %

Test Coverage

Coverage

94.74%

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
C	format()	0	31	12
B	isJson()	0	11	6
B	prepareParse()	0	24	5
A	prepareJson()	0	7	2

<?php
/*
    Condorcet PHP - Election manager and results calculator.
    Designed for the Condorcet method. Integrating a large number of algorithms extending Condorcet. Expandable for all types of voting systems.

    By Julien Boudry and contributors - MIT LICENSE (Please read LICENSE.txt)
    https://github.com/julien-boudry/Condorcet
*/
declare(strict_types=1);

namespace Condorcet;

use Condorcet\CondorcetException;
use Condorcet\Candidate;
use Condorcet\Election;
use Condorcet\Result;
use Condorcet\Vote;

abstract class CondorcetUtil
{
    // Check JSON format
    public static function isJson (string $string) : bool
    {
        if (is_numeric($string) || $string === 'true' || $string === 'false' || $string === 'null' || empty($string)) :
            return false;
        endif;

        // try to decode string
        json_decode($string);

        // check if error occured
        return json_last_error() === JSON_ERROR_NONE;
    }

    public static function prepareJson (string $input)
    {
        if (!self::isJson($input)) :
            throw new CondorcetException(15);
        endif;

        return json_decode($input, true);
    }

    // Generic action before parsing data from string input
    public static function prepareParse (string $input, bool $allowFile) : array
    {
        // Is string or is file ?
        if ($allowFile === true && is_file($input)) :
            $input = file_get_contents($input);
        endif;

        // Line
        $input = preg_replace("(\r\n|\n|\r)",';',$input);
        $input = explode(';', $input);

        // Delete comments
        foreach ($input as &$line) :
            // Delete comments
            $is_comment = mb_strpos($line, '#');
            if ($is_comment !== false) :
                $line = substr($line, 0, $is_comment);
            endif;

            // Trim
            $line = trim($line);
        endforeach;

        return $input;
    }

    // Simplify Condorcet Var_Dump. Transform object to String.
    public static function format ($input, bool $convertObject = true)
    {
        if (is_object($input)) :
            
            $r = $input;

            if ($convertObject) :
                if ($input instanceof Candidate) :
                    $r = (string) $input;
                elseif ($input instanceof Vote) :
                    $r = $input->getRanking();
                elseif ($input instanceof Result) :
                    $r = $input->getResultAsArray(true);
                endif;
            endif;

        elseif (!is_array($input)) :
            $r = $input;
        else :
            foreach ($input as $key => $line) :
                $input[$key] = self::format($line,$convertObject);
            endforeach;

            if (count($input) === 1 && is_int(key($input)) && (!is_array(reset($input)) || count(reset($input)) === 1)):
                $r = reset($input);
            else:
                $r = $input;
            endif;
        endif;
        
        return $r;
    }
}