// Copyright (C) 2003-2008 Dolphin Project.

// This program 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, version 2.0.

// This program 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 2.0 for more details.

// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/

// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/

#ifndef _FILEUTIL_H
#define _FILEUTIL_H

#include <string>
#include <vector>
#include <string.h>

#include "Common.h"

/*
  This namespace has various generic functions related to files and paths.
*/
namespace File
{
	
// FileSystem tree node/ 
struct FSTEntry
{
	bool isDirectory;
	u64 size;						// file length or number of entries from children
	std::string physicalName;		// name on disk
	std::string virtualName;		// name in FST names table
	std::vector<FSTEntry> children;
};
	
// Returns true if file filename exists
bool Exists(const char *filename);
 
// Returns true if filename is a directory
bool IsDirectory(const char *filename);

// Returns the size of filename (64bit)
u64 GetSize(const char *filename);

// Returns true if successful, or path already exists.
bool CreateDir(const char *filename);

// Creates the full path of fullPath returns true on success
bool CreateFullPath(const char *fullPath);

// Deletes a given filename, return true on success
// Doesn't supports deleting a directory
bool Delete(const char *filename);

// Deletes a directory filename, returns true on success
bool DeleteDir(const char *filename);

// renames file srcFilename to destFilename, returns true on success 
bool Rename(const char *srcFilename, const char *destFilename);

// copies file srcFilename to destFilename, returns true on success 
bool Copy(const char *srcFilename, const char *destFilename);
 
// creates an empty file filename, returns true on success 
bool CreateEmptyFile(const char *filename);
 
// Scans the directory tree gets, starting from _Directory and adds the
// results into parentEntry. Returns the number of files+directories found
u32 ScanDirectoryTree(const char *directory, FSTEntry& parentEntry);
 
// deletes the given directory and anything under it. Returns true on success.
bool DeleteDirRecursively(const char *directory);
 
// Returns the current directory, caller should free
const char *GetCurrentDirectory();
 
// Set the current directory to given directory
bool SetCurrentDirectory(const char *directory);
 
// Returns a pointer to a string with the dolphin data dir
const char *GetUserDirectory();
 
}  // namespace

#endif