localfilesystem.h

光滑质点无网格法SPH并行计算程序

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// 
// =============================================================================
//                       Minimalist OpenGL Environment
// =============================================================================
//
// This file is part of Minimalist OpenGL Environment (MinGLE)
//
// Version: 0.2.0
// Author: Balazs Domonkos
// Filename: include/Atlas.h
// Creation Date: December 12th 2007
// Revision Date: December 12th 2007
//
//
// The Minimalist OpenGL Environment is free software: you can
// redistribute it and/or modify it under the terms of the GNU
// General Public License as published by the Free Software
// Foundation, either version 3 of the License, or (at your
// option) any later version.
//
// The Minimalist OpenGL Environment is distributed in the hope
// that it will be useful, but WITHOUT ANY WARRANTY; without
// even the implied warranty of MERCHANTABILITY or FITNESS FOR
// A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License
// along with Minimalist OpenGL Environment.  If not, see 
// <http://www.gnu.org/licenses/>. See the COPYING file included 
// with this distribution file for license details.
//

/// @file LocalFileSystem.h
/// Local file system class

#ifndef __MINGLE_LOCALFILESYSTEM_H__
#define __MINGLE_LOCALFILESYSTEM_H__

// Include class definitions
#include "classes.h"

// MinGLE headers
#include "VirtualFileSystem.h"

namespace MinGLE {
class LocalFileSystem : public VirtualFileSystem {

protected:
	std::string mRootDirectory;
	
public:
	LocalFileSystem(std::string rootDirectory = "");
	virtual ~LocalFileSystem();

	virtual std::string getURL(const std::string& filename = "") const;
	
	virtual FileHandle
			open(const std::string& filename, const std::string& mode);
	virtual void close(FileHandle f);
	virtual bool eof(FileHandle f);
	virtual int getchar(FileHandle f);
	virtual int putchar(int ch, FileHandle f);
	virtual int read(void *ptr, int size, int count, FileHandle f);
	virtual int write(const void *ptr, int size, int count, FileHandle f);
	virtual int seek(FileHandle f, int numbytes, int where);
	virtual int tell(FileHandle f);

	virtual bool exists(const std::string& path);
	
	virtual DirectoryEntryList listDirectory(const std::string& directoryName,
			const unsigned mask = DIRECTORY_ENTRY_TYPE_MASK_ALL);
}; // class LocalFileSystem

// =============================================================================

class LocalFileSystemManager : public VirtualFileSystemManager {

public:
	static const std::string PROTOCOL_STRING;
	
public:
	virtual ~LocalFileSystemManager();
	static void registerVirtualFileSystemManager();

protected:
	virtual VirtualFileSystem *_createVirtualFileSystem(const std::string& connectionString);
}; // class LocalFileSystemManager

} // namespace MinGLE

#endif // __MINGLE_LOCALFILESYSTEM_H__