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/* ScummVM - Scumm Interpreter
* Copyright (C) 2002-2006 The ScummVM 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; either version 2
* of the License, or (at your option) any later version.
* 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 for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#ifndef COMMON_FILE_H
#define COMMON_FILE_H
#include "common/stdafx.h"
#include "common/scummsys.h"
#include "common/str.h"
#include "common/stream.h"
class FilesystemNode;
namespace Common {
class File : public SeekableReadStream, public WriteStream {
protected:
/** POSIX file handle to the actual file; 0 if no file is open. */
FILE *_handle;
/** Status flag which tells about recent I/O failures. */
bool _ioFailed;
/** Simple ref-counter for File objects. */
int32 _refcount;
/** The name of this file, for debugging. */
String _name;
public:
enum AccessMode {
kFileReadMode = 1,
kFileWriteMode = 2
};
static void addDefaultDirectory(const String &directory);
static void addDefaultDirectoryRecursive(const String &directory, int level = 4, const String &prefix = "");
static void addDefaultDirectory(const FilesystemNode &directory);
static void addDefaultDirectoryRecursive(const FilesystemNode &directory, int level = 4, const String &prefix = "");
static void resetDefaultDirectories();
File();
virtual ~File();
void incRef();
void decRef();
virtual bool open(const String &filename, AccessMode mode = kFileReadMode);
virtual bool open(const FilesystemNode &node, AccessMode mode = kFileReadMode);
static bool exists(const String &filename);
virtual void close();
bool isOpen() const;
bool ioFailed() const;
void clearIOFailed();
bool eos() const { return eof(); }
bool eof() const;
uint32 pos() const;
uint32 size() const;
const char *name() const { return _name.c_str(); }
void seek(int32 offs, int whence = SEEK_SET);
uint32 read(void *dataPtr, uint32 dataSize);
uint32 write(const void *dataPtr, uint32 dataSize);
};
} // End of namespace Common
#endif
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