Recca0120\Lodash\JString\Extensions\Chinese

Complexity

Total Complexity

8

Size/Duplication

Total Lines	79
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Test Coverage

Coverage

97.06%

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
C	toNumber()	0	41	7

<?php

namespace Recca0120\Lodash\JString\Extensions;

class Chinese
{
    /**
     * $numberUnits.
     *
     * @var array
     */
    public static $numberUnits = [
        '個' => 1,
        '十' => 10,
        '百' => 100,
        '千' => 1000,
        '萬' => 10000,
    ];

    /**
     * $subject.
     *
     * @var string
     */
    protected $subject;

    /**
     * __construct.
     *
     * @param string $subject
     */
    public function __construct($subject)
    {
        $this->subject = $subject;
    }

    /**
     * toNumber.
     *
     * @return int
     */
    public function toNumber()
    {
        $sum = 0;
        $matches = [];
        if ((bool) preg_match_all('/(?P<number>[一二三四五六七八九]+)?(?P<unit>[萬千百十])?/u', $this->subject, $matches, PREG_SET_ORDER) === false) {
            return $sum;
        }

        $sum = 0;
        foreach ((array) $matches as $token) {
            $unit = empty($token['unit']) === false ? $token['unit'] : '個';
            $unit = static::$numberUnits[$unit];
            if (empty($token['number']) === true) {
                $sum = ($sum === 0 ? 1 : $sum) * $unit;

                continue;
            }

            $number = $token['number'];
            $number = strtr($number, [
                '零' => 0,
                '一' => 1,
                '二' => 2,
                '三' => 3,
                '四' => 4,
                '五' => 5,
                '六' => 6,
                '七' => 7,
                '八' => 8,
                '九' => 9,
            ]);

            if ($unit >= 10000) {
                $sum = $sum * $unit;
            }

            $sum += ($number * $unit);
        }

        return $sum;
    }
}