new pisilinux web sites

Internal/package-zerocore/Lang.php

@@ -0,0 +1,251 @@
+<?php namespace ZN;
+/**
+ * ZN PHP Web Framework
+ * 
+ * "Simplicity is the ultimate sophistication." ~ Da Vinci
+ * 
+ * @package ZN
+ * @license MIT [http://opensource.org/licenses/MIT]
+ * @author  Ozan UYKUN [ozan@znframework.com]
+ */
+
+use ZN\Ability\Singleton;
+
+class Lang
+{
+    use Singleton;
+
+    /**
+     * Keeps current language content
+     * 
+     * @var mixed
+     */
+    protected static $lang = [];
+
+    /**
+     * Keeps default configuration
+     * 
+     * @var mixed
+     */
+    protected static $default = false;
+
+    /**
+     * Magic call
+     * 
+     * @param string $method
+     * @param array  $parameters
+     * 
+     * @return mixed
+     */
+    public function __call($method, $parameters)
+    {
+        $method = ucfirst($method);
+
+        return self::select($method, ...$parameters);
+    }
+
+    /**
+     * Default Language
+     * 
+     * @param mixed $class
+     * 
+     * @return self
+     */
+    public static function default($class)
+    {
+        self::$default = $class;
+    
+        return self::singleton();
+    }
+
+    /**
+     * Get current lang code
+     * 
+     * @param void
+     * 
+     * @return mixed
+     */
+    public static function current()
+    {
+        if( ! Config::get('Services','uri')['lang'] )
+        {
+            return false;
+        }
+        else
+        {
+            return self::get();
+        }
+    }
+
+    /**
+     * Set current lang by uri
+     */
+    public static function setByURI()
+    {  
+        if( preg_match('/\/('.REQUESTED_CURRENT_PROJECT.'\/)*(?<lang>[a-z][a-z])($|\/)/', Base::currentPath(), $match) )
+        {
+            Lang::set($match['lang']);
+        }
+    }
+
+    /**
+     * Get language content
+     * 
+     * @param string $file    = NULL
+     * @param string $str     = NULL
+     * @param mixed  $changed = NULL
+     * 
+     * @return mixed
+     */
+    public static function select(?string $file = NULL, ?string $str = NULL, $changed = NULL)
+    {
+        $langstr = '';
+
+        if( ! isset(self::$lang[$file]) )
+        {      
+            $file          = ($getLang = self::get()).'/'.Base::suffix($file, '.php');
+            $langDir       = LANGUAGES_DIR . $file;
+            $commonLangDir = EXTERNAL_LANGUAGES_DIR . $file;
+
+            if( is_file($langDir) && ! IS::import($langDir) )
+            {
+                self::$lang[$file] = require $langDir; // @codeCoverageIgnore
+            }
+            elseif( is_file($commonLangDir) && ! IS::import($commonLangDir) )
+            {
+                self::$lang[$file] = require $commonLangDir; // @codeCoverageIgnore
+            }
+            elseif( ! empty(self::$default) && empty(self::$lang[$file]) )
+            {
+                self::$lang[$file] = self::getDefault()[$getLang] ?? false;
+            }
+        }
+
+        if( empty($str) && isset(self::$lang[$file]) )
+        {
+            return self::$lang[$file];
+        }
+        elseif( ! empty(self::$lang[$file][$str]) )
+        {
+            $langstr = self::$lang[$file][$str];
+        }
+        else
+        {
+            return false;
+        }
+
+        if( ! is_array($changed) )
+        {
+            if( strstr($langstr, "%") && ! empty($changed) )
+            {
+                return str_replace("%", $changed , $langstr);
+            }
+            else
+            {
+                return $langstr;
+            }
+        }
+        else
+        {
+            if( ! empty($changed) )
+            {
+                $values = [];
+
+                foreach( $changed as $key => $value )
+                {
+                    $keys[]   = $key;
+                    $values[] = $value;
+                }
+
+                return str_replace($keys, $values, $langstr);
+            }
+            else
+            {
+                return $langstr;
+            }
+        }
+    }
+
+    /**
+     * Sets language
+     * 
+     * @param string $l = NULL
+     * 
+     * @return bool
+     */
+    public static function set(?string $l = NULL) : bool
+    {
+        if( empty($l) )
+        {
+            $l = Config::get('Project', 'language');
+        }
+
+        return $_SESSION[In::defaultProjectKey('SystemLanguageData')] = $l;
+    }
+
+    /**
+     * Get language short code
+     * 
+     * @return string
+     */
+    public static function get() : string
+    {
+        $systemLanguageData        = In::defaultProjectKey('SystemLanguageData');
+        $defaultSystemLanguageData = In::defaultProjectKey('DefaultSystemLanguageData');
+
+        $default = Config::get('Project', 'language') ?: 'en';
+        
+        if( empty($_SESSION[$defaultSystemLanguageData]) )
+        {
+            $_SESSION[$defaultSystemLanguageData] = $default;
+        }
+        else
+        {
+            // @codeCoverageIgnoreStart
+            if( $_SESSION[$defaultSystemLanguageData] !== $default )
+            {
+                $_SESSION[$defaultSystemLanguageData] = $default;
+                $_SESSION[$systemLanguageData]        = $default;
+
+                return $default;
+            }
+            // @codeCoverageIgnoreEnd
+        }
+
+        if( empty($_SESSION[$systemLanguageData]) )
+        {
+            $_SESSION[$systemLanguageData] = $default;
+
+            return $default;
+        }
+        else
+        {
+            return $_SESSION[$systemLanguageData];
+        }
+    }
+
+    /**
+     * Protected Get Default
+     * 
+     * @return mixed
+     */
+    protected static function getDefault()
+    {
+        $default = self::$default;
+
+        self::$default = NULL;
+
+        if( is_string($default) )
+        {
+            return get_class_vars($default);
+        }
+        elseif( is_object($default) )
+        {
+            return get_object_vars($default);
+        }
+        else
+        {
+            return false;
+        }
+    }
+}