Added base translation system

src/pocketmine/lang/BaseLang.php

@@ -0,0 +1,159 @@
+<?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/
+ *
+ *
+*/
+
+namespace pocketmine\lang;
+
+use pocketmine\event\TextContainer;
+use pocketmine\event\TranslationContainer;
+
+class BaseLang{
+
+	const FALLBACK_LANGUAGE = "en";
+
+	protected $langName;
+
+	protected $lang = [];
+	protected $fallbackLang = [];
+
+	public function __construct($lang, $path = null){
+
+		$this->langName = strtolower($lang);
+
+		if($path === null){
+			$path = \pocketmine\PATH . "src/pocketmine/lang/base/";
+		}
+
+		$this->loadLang($path . $this->langName . ".ini", $this->lang);
+		$this->loadLang($path . self::FALLBACK_LANGUAGE . ".ini", $this->fallbackLang);
+	}
+
+	public function getName(){
+		return $this->get("language.name");
+	}
+
+	public function getLang(){
+		return $this->langName;
+	}
+
+	protected function loadLang($path, array &$d){
+		if(file_exists($path) and strlen($content = file_get_contents($path)) > 0){
+			foreach(explode("\n", $content) as $line){
+				$line = trim($line);
+				if($line === "" or $line{0} === "#"){
+					continue;
+				}
+
+				$t = explode("=", $line);
+				if(count($t) < 2){
+					continue;
+				}
+
+				$key = trim(array_shift($t));
+				$value = trim(implode("=", $t));
+
+				if($value === ""){
+					continue;
+				}
+
+				$d[$key] = $value;
+			}
+		}
+	}
+
+	public function translate(TextContainer $c){
+		if($c instanceof TranslationContainer){
+			$baseText = $this->get($c->getText());
+			$baseText = $this->parseTranslation( $baseText !== null ? $baseText : $c->getText());
+
+			foreach($c->getParameters() as $i => $p){
+				$baseText = str_replace("{%$i}", $this->parseTranslation($p), $baseText);
+			}
+		}else{
+			$baseText = $this->parseTranslation($c->getText());
+		}
+
+		return $baseText;
+	}
+
+	public function internalGet($id){
+		if(isset($this->lang[$id])){
+			return $this->lang[$id];
+		}elseif(isset($this->fallbackLang[$id])){
+			return $this->fallbackLang[$id];
+		}
+
+		return null;
+	}
+
+	public function get($id){
+		$id = trim($id, "%");
+		if(isset($this->lang[$id])){
+			return $this->lang[$id];
+		}elseif(isset($this->fallbackLang[$id])){
+			return $this->fallbackLang[$id];
+		}
+
+		return $id;
+	}
+
+	protected function parseTranslation($text){
+		$newString = "";
+
+		$replaceString = null;
+
+		$len = strlen($text);
+		for($i = 0; $i < $len; ++$i){
+			$c = $text{$i};
+			if($replaceString !== null){
+				if((ord($c) >= 0x30 and ord($c) <= 0x39) or (ord($c) >= 0x41 and ord($c) <= 0x5a) or (ord($c) >= 0x61 and ord($c) <= 0x7a) or $c === "."){
+					$replaceString .= $c;
+				}else{
+					if(($t = $this->internalGet(substr($replaceString, 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)))){
+				$newString .= $t;
+			}else{
+				$newString .= $replaceString;
+			}
+		}
+
+		return $newString;
+	}
+}