GinoPane\PHPolyglot\Supplemental\Language\Language

Complexity

Total Complexity

7

Size/Duplication

Total Lines	80
Duplicated Lines	0 %

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	getCode()	0	3	1
A	codeIsValid()	0	3	1
A	__construct()	0	9	2
A	assertLanguageIsValid()	0	5	2
A	__toString()	0	3	1

<?php

namespace GinoPane\PHPolyglot\Supplemental\Language;

use GinoPane\PHPolyglot\Exception\InvalidLanguageCodeException;
use GinoPane\PHPolyglot\Supplemental\GetConstantsTrait;

/**
 * Class Language
 *
 * @author Sergey <Gino Pane> Karavay
 */
class Language implements LanguageInterface
{
    /**
     * Constant value for undefined language
     */
    const CODE_UNDEFINED = '';

    /**
     * Stored part of speech
     *
     * @var string
     */
    private $language = self::CODE_UNDEFINED;

    use GetConstantsTrait;

    /**
     * DictionaryEntryPos constructor
     *
     * @param string $language
     *
     * @throws InvalidLanguageCodeException
     */
    public function __construct(string $language = self::CODE_UNDEFINED)
    {
        $language = strtolower($language);

        if ($language !== self::CODE_UNDEFINED) {
            $this->assertLanguageIsValid($language);
        }

        $this->language = $language;
    }

    /**
     * Checks if code is valid
     *
     * @param string $code
     *
     * @return bool
     */
    public function codeIsValid(string $code): bool
    {
        return $this->constantValueExists($code);
    }

    /**
     * Returns current language code
     *
     * @return string
     */
    public function getCode(): string
    {
        return $this->language;
    }

    /**
     * Alias for Language::getCode
     *
     * @see Language::getCode()
     *
     * @return string
     */
    public function __toString(): string
    {
        return $this->getCode();
    }

    /**
     * Checks that specified language code is valid
     *
     * @param string $language
     *
     * @throws InvalidLanguageCodeException
     */
    private function assertLanguageIsValid(string $language): void
    {
        if (!$this->codeIsValid($language)) {
            throw new InvalidLanguageCodeException(
                sprintf("Language code \"%s\" is invalid", $language)
            );
        }
    }
}