Lang::switchLangSet() - Code Metrics - Inspection of "优化对 Phar 的支持 #3049" - top-think/framework - Measure and Improve Code Quality continuously with Scrutinizer

Passed
Pull Request — 8.0 (#3055)

by wj
created 2024-09-06 09:18 UTC
Lang::switchLangSet() B

↳ Parent: Lang
Complexity

Conditions	8
Paths	5
Size

Total Lines	36
Code Lines	17
Duplication

Lines	0
Ratio	0 %
Code Coverage

Tests	10
CRAP Score	14.8028
Importance

Changes	1
Bugs	0	Features	0
Metric	Value
cc	8
eloc	17
c	1
b	0
f	0
nc	5
nop	1
dl	0
loc	36
ccs	10
cts	19
cp	0.5263
crap	14.8028
rs	8.4444
<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2023 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <[email protected]>
// +----------------------------------------------------------------------
declare(strict_types=1);

namespace think;

/**
 * 多语言管理类
 * @package think
 */
class Lang
{
    protected $app;

    /**
     * 配置参数
     * @var array
     */
    protected $config = [
        // 默认语言
        'default_lang'    => 'zh-cn',
        // 允许的语言列表
        'allow_lang_list' => [],
        // 是否使用Cookie记录
        'use_cookie'      => true,
        // 扩展语言包
        'extend_list'     => [],
        // 多语言cookie变量
        'cookie_var'      => 'think_lang',
        // 多语言header变量
        'header_var'      => 'think-lang',
        // 多语言自动侦测变量名
        'detect_var'      => 'lang',
        // Accept-Language转义为对应语言包名称
        'accept_language' => [
            'zh-hans-cn' => 'zh-cn',
        ],
        // 是否支持语言分组
        'allow_group'     => false,
    ];

    /**
     * 多语言信息
     * @var array
     */
    private $lang = [];

    /**
     * 当前语言
     * @var string
     */
    private $range = 'zh-cn';

    /**
     * 构造方法
     * @access public
     * @param array $config
     */
    public function __construct(App $app, array $config = [])
    {
        $this->config = array_merge($this->config, array_change_key_case($config));
        $this->range  = $this->config['default_lang'];
        $this->app    = $app;
    }

    public static function __make(App $app, Config $config)
    {
        return new static($app, $config->get('lang'));
        return new static($app, /** @scrutinizer ignore-type */ $config->get('lang'));
    }

    /**
     * 获取当前语言配置
     * @access public
     * @return array
     */
    public function getConfig(): array
    {
        return $this->config;
    }

    /**
     * 设置当前语言
     * @access public
     * @param string $lang 语言
     * @return void
     */
    public function setLangSet(string $lang): void
    {
        $this->range = $lang;
    }

    /**
     * 获取当前语言
     * @access public
     * @return string
     */
    public function getLangSet(): string
    {
        return $this->range;
    }

    /**
     * 获取默认语言
     * @access public
     * @return string
     */
    public function defaultLangSet()
    {
        return $this->config['default_lang'];
    }

    /**
     * 切换语言
     * @access public
     * @param string $langset 语言
     * @return void
     */
    public function switchLangSet(string $langset)
    {
        if (empty($langset)) {
            return;
        }

        $this->setLangSet($langset);

        // 加载系统语言包
        $this->load([
            $this->app->getThinkPath() . 'lang' . DIRECTORY_SEPARATOR . $langset . '.php',
        ]);

        // 加载系统语言包
        $appLangDir = $this->app->getAppPath() . 'lang' . DIRECTORY_SEPARATOR;
        if (is_dir($appLangDir)) {
            $files = [];

            foreach (scandir($appLangDir) as $name) {
                $path = $appLangDir . $name;

                if (!str_starts_with($name, $langset) || !is_file($path) || !in_array(pathinfo($name, PATHINFO_EXTENSION), ['php', 'yaml', 'json'])) {
                    continue;
                }

                $files[] = $path;
            }

            $this->load($files);
        }

        // 加载扩展（自定义）语言包
        $list = $this->app->config->get('lang.extend_list', []);

        if (isset($list[$langset])) {
            $this->load($list[$langset]);
        }
    }

    /**
     * 加载语言定义(不区分大小写)
     * @access public
     * @param string|array $file  语言文件
     * @param string       $range 语言作用域
     * @return array
     */
    public function load($file, $range = ''): array
    {
        $range = $range ?: $this->range;
        if (!isset($this->lang[$range])) {
            $this->lang[$range] = [];
        }

        $lang = [];

        foreach ((array) $file as $name) {
            if (is_file($name)) {
                $result = $this->parse($name);
                $lang   = array_change_key_case($result) + $lang;
            }
        }

        if (!empty($lang)) {
            $this->lang[$range] = $lang + $this->lang[$range];
        }

        return $this->lang[$range];
    }

    /**
     * 解析语言文件
     * @access protected
     * @param string $file 语言文件名
     * @return array
     */
    protected function parse(string $file): array
    {
        $type   = pathinfo($file, PATHINFO_EXTENSION);
        $result = match ($type) {
            'php'       =>  include $file,
            'yml','yaml'=>  function_exists('yaml_parse_file') ? yaml_parse_file($file) : [],
            'json'      =>  json_decode(file_get_contents($file), true),
            default     =>  [],
        };

        return is_array($result) ? $result : [];
    }

    /**
     * 判断是否存在语言定义(不区分大小写)
     * @access public
     * @param string|null $name  语言变量
     * @param string      $range 语言作用域
     * @return bool
     */
    public function has(string $name, string $range = ''): bool
    {
        $range = $range ?: $this->range;

        if ($this->config['allow_group'] && str_contains($name, '.')) {
            [$name1, $name2] = explode('.', $name, 2);
            return isset($this->lang[$range][strtolower($name1)][$name2]);
        }

        return isset($this->lang[$range][strtolower($name)]);
    }

    /**
     * 获取语言定义(不区分大小写)
     * @access public
     * @param string|null $name  语言变量
     * @param array       $vars  变量替换
     * @param string      $range 语言作用域
     * @return mixed
     */
    public function get(string $name = null, array $vars = [], string $range = '')
    {
        $range = $range ?: $this->range;

        if (!isset($this->lang[$range])) {
            $this->switchLangSet($range);
        }

        // 空参数返回所有定义
        if (is_null($name)) {
            return $this->lang[$range] ?? [];
        }

        if ($this->config['allow_group'] && str_contains($name, '.')) {
            [$name1, $name2] = explode('.', $name, 2);

            $value = $this->lang[$range][strtolower($name1)][$name2] ?? $name;
        } else {
            $value = $this->lang[$range][strtolower($name)] ?? $name;
        }

        // 变量解析
        if (!empty($vars) && is_array($vars)) {
            /**
             * Notes:
             * 为了检测的方便，数字索引的判断仅仅是参数数组的第一个元素的key为数字0
             * 数字索引采用的是系统的 sprintf 函数替换，用法请参考 sprintf 函数
             */
            if (key($vars) === 0) {
                // 数字索引解析
                array_unshift($vars, $value);
                $value = call_user_func_array('sprintf', $vars);
            } else {
                // 关联索引解析
                $replace = array_keys($vars);
                foreach ($replace as &$v) {
                    $v = "{:{$v}}";
                }
                $value = str_replace($replace, $vars, $value);
            }
        }

        return $value;
    }
}

top-think / framework

Pull Request — 8.0 (#3055)

Lang::switchLangSet() B

Complexity

Size

Duplication

Code Coverage

Importance

Duplication Side-by-Side

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