Rename BaseLang -> Language

src/pocketmine/lang/Language.php

@@ -0,0 +1,226 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+*/
+
+declare(strict_types=1);
+
+namespace pocketmine\lang;
+
+class Language{
+
+	public const FALLBACK_LANGUAGE = "eng";
+
+	/**
+	 * @param string $path
+	 *
+	 * @return array
+	 * @throws LanguageNotFoundException
+	 */
+	public static function getLanguageList(string $path = "") : array{
+		if($path === ""){
+			$path = \pocketmine\PATH . "src/pocketmine/lang/locale/";
+		}
+
+		if(is_dir($path)){
+			$allFiles = scandir($path, SCANDIR_SORT_NONE);
+
+			if($allFiles !== false){
+				$files = array_filter($allFiles, function($filename){
+					return substr($filename, -4) === ".ini";
+				});
+
+				$result = [];
+
+				foreach($files as $file){
+					$code = explode(".", $file)[0];
+					$strings = self::loadLang($path, $code);
+					if(isset($strings["language.name"])){
+						$result[$code] = $strings["language.name"];
+					}
+				}
+
+				return $result;
+			}
+		}
+
+		throw new LanguageNotFoundException("Language directory $path does not exist or is not a directory");
+	}
+
+	/** @var string */
+	protected $langName;
+
+	/** @var string[] */
+	protected $lang = [];
+	/** @var string[] */
+	protected $fallbackLang = [];
+
+	/**
+	 * @param string      $lang
+	 * @param string|null $path
+	 * @param string      $fallback
+	 *
+	 * @throws LanguageNotFoundException
+	 */
+	public function __construct(string $lang, string $path = null, string $fallback = self::FALLBACK_LANGUAGE){
+		$this->langName = strtolower($lang);
+
+		if($path === null){
+			$path = \pocketmine\PATH . "src/pocketmine/lang/locale/";
+		}
+
+		$this->lang = self::loadLang($path, $this->langName);
+		$this->fallbackLang = self::loadLang($path, $fallback);
+	}
+
+	public function getName() : string{
+		return $this->get("language.name");
+	}
+
+	public function getLang() : string{
+		return $this->langName;
+	}
+
+	protected static function loadLang(string $path, string $languageCode) : array{
+		$file = $path . $languageCode . ".ini";
+		if(file_exists($file)){
+			return array_map('stripcslashes', parse_ini_file($file, false, INI_SCANNER_RAW));
+		}
+
+		throw new LanguageNotFoundException("Language \"$languageCode\" not found");
+	}
+
+	/**
+	 * @param string      $str
+	 * @param string[]    $params
+	 * @param string|null $onlyPrefix
+	 *
+	 * @return string
+	 */
+	public function translateString(string $str, array $params = [], string $onlyPrefix = null) : string{
+		$baseText = $this->get($str);
+		$baseText = $this->parseTranslation(($baseText !== null and ($onlyPrefix === null or strpos($str, $onlyPrefix) === 0)) ? $baseText : $str, $onlyPrefix);
+
+		foreach($params as $i => $p){
+			$baseText = str_replace("{%$i}", $this->parseTranslation((string) $p), $baseText, $onlyPrefix);
+		}
+
+		return $baseText;
+	}
+
+	public function translate(TextContainer $c){
+		if($c instanceof TranslationContainer){
+			$baseText = $this->internalGet($c->getText());
+			$baseText = $this->parseTranslation($baseText ?? $c->getText());
+
+			foreach($c->getParameters() as $i => $p){
+				$baseText = str_replace("{%$i}", $this->parseTranslation($p), $baseText);
+			}
+		}else{
+			$baseText = $this->parseTranslation($c->getText());
+		}
+
+		return $baseText;
+	}
+
+	/**
+	 * @param string $id
+	 *
+	 * @return string|null
+	 */
+	public function internalGet(string $id){
+		if(isset($this->lang[$id])){
+			return $this->lang[$id];
+		}elseif(isset($this->fallbackLang[$id])){
+			return $this->fallbackLang[$id];
+		}
+
+		return null;
+	}
+
+	/**
+	 * @param string $id
+	 *
+	 * @return string
+	 */
+	public function get(string $id) : string{
+		if(isset($this->lang[$id])){
+			return $this->lang[$id];
+		}elseif(isset($this->fallbackLang[$id])){
+			return $this->fallbackLang[$id];
+		}
+
+		return $id;
+	}
+
+	/**
+	 * @param string      $text
+	 * @param string|null $onlyPrefix
+	 *
+	 * @return string
+	 */
+	protected function parseTranslation(string $text, string $onlyPrefix = null) : string{
+		$newString = "";
+
+		$replaceString = null;
+
+		$len = strlen($text);
+		for($i = 0; $i < $len; ++$i){
+			$c = $text{$i};
+			if($replaceString !== null){
+				$ord = ord($c);
+				if(
+					($ord >= 0x30 and $ord <= 0x39) // 0-9
+					or ($ord >= 0x41 and $ord <= 0x5a) // A-Z
+					or ($ord >= 0x61 and $ord <= 0x7a) or // a-z
+					$c === "." or $c === "-"
+				){
+					$replaceString .= $c;
+				}else{
+					if(($t = $this->internalGet(substr($replaceString, 1))) !== null and ($onlyPrefix === null or strpos($replaceString, $onlyPrefix) === 1)){
+						$newString .= $t;
+					}else{
+						$newString .= $replaceString;
+					}
+					$replaceString = null;
+
+					if($c === "%"){
+						$replaceString = $c;
+					}else{
+						$newString .= $c;
+					}
+				}
+			}elseif($c === "%"){
+				$replaceString = $c;
+			}else{
+				$newString .= $c;
+			}
+		}
+
+		if($replaceString !== null){
+			if(($t = $this->internalGet(substr($replaceString, 1))) !== null and ($onlyPrefix === null or strpos($replaceString, $onlyPrefix) === 1)){
+				$newString .= $t;
+			}else{
+				$newString .= $replaceString;
+			}
+		}
+
+		return $newString;
+	}
+}