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RandomRenamer.cpp

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00001 //------------------------------------------------------------------------------
00002 // Lamp : Open source game middleware
00003 // Copyright (C) 2004  Junpei Ohtani ( Email : junpee@users.sourceforge.jp )
00004 //
00005 // This library is free software; you can redistribute it and/or
00006 // modify it under the terms of the GNU Lesser General Public
00007 // License as published by the Free Software Foundation; either
00008 // version 2.1 of the License, or (at your option) any later version.
00009 //
00010 // This library is distributed in the hope that it will be useful,
00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013 // Lesser General Public License for more details.
00014 //
00015 // You should have received a copy of the GNU Lesser General Public
00016 // License along with this library; if not, write to the Free Software
00017 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00018 //------------------------------------------------------------------------------
00019 
00020 /** @file
00021  * ランダムリネーマ実装
00022  * @author Junpee
00023  */
00024 
00025 #include "LampBasic.h"
00026 #include "Core/Renamer/RandomRenamer.h"
00027 #include "Core/Utility/Timer.h"
00028 
00029 namespace Lamp{
00030 
00031 //------------------------------------------------------------------------------
00032 // コンストラクタ
00033 RandomRenamer::RandomRenamer(){
00034     // タイマによりランダムの種初期化
00035     random_.setSeed(Timer::getTick().getValue());
00036 }
00037 //------------------------------------------------------------------------------
00038 // コンストラクタ
00039 RandomRenamer::RandomRenamer(u_int seed){
00040     random_.setSeed(seed);
00041 }
00042 //------------------------------------------------------------------------------
00043 // デストラクタ
00044 RandomRenamer::~RandomRenamer(){
00045 }
00046 //------------------------------------------------------------------------------
00047 // リネーム
00048 String RandomRenamer::rename(Database* database, const String& sourceName){
00049     // '_'以降を削除
00050     String result = sourceName;
00051     int underBarIndex = result.getIndexOf('_');
00052     Assert(underBarIndex != 0);
00053     if(underBarIndex > 0){
00054         result = result.getSubstring(0, underBarIndex);
00055     }
00056     // 素の名前が存在するかどうか
00057     if(!database->existName(result)){ return result; }
00058     // ランダムによる名前付けを行う
00059     String resultName;
00060     while(true){
00061         resultName.format("%s_%04x",
00062             result.getBytes(), (random_.get() & 0xffff));
00063         if(!database->existName(resultName)){ break; }
00064     }
00065     return resultName;
00066 }
00067 //------------------------------------------------------------------------------
00068 } // End of namespace Lamp
00069 //------------------------------------------------------------------------------

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