FileInterface.h

00001 /*
00002  * This source file is part of libRocket, the HTML/CSS Interface Middleware
00003  *
00004  * For the latest information, see http://www.librocket.com
00005  *
00006  * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
00007  *
00008  * Permission is hereby granted, free of charge, to any person obtaining a copy
00009  * of this software and associated documentation files (the "Software"), to deal
00010  * in the Software without restriction, including without limitation the rights
00011  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00012  * copies of the Software, and to permit persons to whom the Software is
00013  * furnished to do so, subject to the following conditions:
00014  *
00015  * The above copyright notice and this permission notice shall be included in
00016  * all copies or substantial portions of the Software.
00017  * 
00018  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00019  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00020  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00021  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00022  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00023  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00024  * THE SOFTWARE.
00025  *
00026  */
00027 
00028 #ifndef ROCKETCOREFILEINTERFACE_H
00029 #define ROCKETCOREFILEINTERFACE_H
00030 
00031 #include <Rocket/Core/Header.h>
00032 #include <Rocket/Core/Types.h>
00033 #include <Rocket/Core/ReferenceCountable.h>
00034 
00035 namespace Rocket {
00036 namespace Core {
00037 
00048 class ROCKETCORE_API FileInterface : public ReferenceCountable
00049 {
00050 public:
00051         FileInterface();
00052         virtual ~FileInterface();
00053 
00057         virtual FileHandle Open(const String& path) = 0;
00060         virtual void Close(FileHandle file) = 0;
00061 
00067         virtual size_t Read(void* buffer, size_t size, FileHandle file) = 0;
00073         virtual bool Seek(FileHandle file, long offset, int origin) = 0;
00077         virtual size_t Tell(FileHandle file) = 0;
00078 
00080         virtual void Release();
00081 
00082 protected:
00083         virtual void OnReferenceDeactivate();
00084 };
00085 
00086 }
00087 }
00088 
00089 #endif