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 * ファイル出力ストリーム実装 00022 * @author Junpee 00023 */ 00024 00025 #include <stdio.h> 00026 #include "LampBasic.h" 00027 #include "Core/InputOutput/FileOutputStream.h" 00028 00029 namespace Lamp{ 00030 00031 //------------------------------------------------------------------------------ 00032 // コンストラクタ 00033 FileOutputStream::FileOutputStream(String fileName) : position_(0), size_(0){ 00034 file_ = fopen(fileName.getBytes(), "wbc"); 00035 Assert(file_ != NULL); 00036 } 00037 //------------------------------------------------------------------------------ 00038 // デストラクタ 00039 FileOutputStream::~FileOutputStream(){ 00040 int closeResult = fclose(file_); 00041 Assert(closeResult == 0); 00042 } 00043 //------------------------------------------------------------------------------ 00044 // バイトデータの書き出し 00045 void FileOutputStream::writeBytes(const void* data, int size){ 00046 int result = (int)fwrite(data, 1, size, file_); 00047 Assert(result == size); 00048 position_ += size; 00049 if(position_ > size_){ size_ = position_; } 00050 } 00051 //------------------------------------------------------------------------------ 00052 // サイズの取得 00053 int FileOutputStream::getSize(){ 00054 return size_; 00055 } 00056 //------------------------------------------------------------------------------ 00057 // スキップ 00058 void FileOutputStream::skip(int size){ 00059 for(int i = 0;i < size;i++){ 00060 int result = fputc(0, file_); 00061 Assert(result != EOF); 00062 } 00063 position_ += size; 00064 if(position_ > size_){ size_ = position_; } 00065 } 00066 //------------------------------------------------------------------------------ 00067 // アライメントを取る 00068 int FileOutputStream::align(int alignSize){ 00069 int size = position_ % alignSize; 00070 if(size == 0){ return size; } 00071 size = alignSize - size; 00072 for(int i = 0;i < size;i++){ 00073 int result = fputc(0, file_); 00074 Assert(result != EOF); 00075 } 00076 position_ += size; 00077 if(position_ > size_){ size_ = position_; } 00078 return size; 00079 } 00080 //------------------------------------------------------------------------------ 00081 // 書き込み位置の取得 00082 int FileOutputStream::getPosition(){ 00083 return position_; 00084 } 00085 //------------------------------------------------------------------------------ 00086 // 書き込み位置の設定 00087 void FileOutputStream::setPosition(int position){ 00088 int result = fseek(file_, position, SEEK_SET); 00089 Assert(result == 0); 00090 position_ = position; 00091 } 00092 //------------------------------------------------------------------------------ 00093 // フラッシュ 00094 void FileOutputStream::flush(){ 00095 int result = fflush(file_); 00096 Assert(result == 0); 00097 } 00098 //------------------------------------------------------------------------------ 00099 } // End of namespace Lamp 00100 //------------------------------------------------------------------------------