mirror of
https://github.com/libretro/scummvm.git
synced 2025-01-29 14:42:26 +00:00
141 lines
3.5 KiB
C++
141 lines
3.5 KiB
C++
/* ScummVM - Graphic Adventure Engine
|
|
*
|
|
* ScummVM is the legal property of its developers, whose names
|
|
* are too numerous to list here. Please refer to the COPYRIGHT
|
|
* file distributed with this source distribution.
|
|
*
|
|
* 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/scummsys.h"
|
|
#include "common/noncopyable.h"
|
|
#include "common/str.h"
|
|
#include "common/stream.h"
|
|
|
|
namespace Common {
|
|
|
|
class FilesystemNode;
|
|
|
|
/**
|
|
* TODO: vital to document this core class properly!!! For both users and implementors
|
|
*/
|
|
class File : public SeekableReadStream, public NonCopyable {
|
|
protected:
|
|
/** File handle to the actual file; 0 if no file is open. */
|
|
SeekableReadStream *_handle;
|
|
|
|
/** The name of this file, for debugging. */
|
|
String _name;
|
|
|
|
public:
|
|
|
|
static void addDefaultDirectory(const String &directory);
|
|
static void addDefaultDirectoryRecursive(const String &directory, int level = 4);
|
|
|
|
static void addDefaultDirectory(const FilesystemNode &directory);
|
|
static void addDefaultDirectoryRecursive(const FilesystemNode &directory, int level = 4);
|
|
|
|
static void resetDefaultDirectories();
|
|
|
|
File();
|
|
virtual ~File();
|
|
|
|
/**
|
|
* Checks if a given file exists in any of the current default paths
|
|
* (those were/are added by addDefaultDirectory and/or
|
|
* addDefaultDirectoryRecursive).
|
|
*
|
|
* @param filename: the file to check for
|
|
* @return: true if the file exists, else false
|
|
*/
|
|
static bool exists(const String &filename);
|
|
|
|
virtual bool open(const String &filename);
|
|
virtual bool open(const FilesystemNode &node);
|
|
|
|
virtual void close();
|
|
|
|
/**
|
|
* Checks if the object opened a file successfully.
|
|
*
|
|
* @return: true if any file is opened, false otherwise.
|
|
*/
|
|
bool isOpen() const;
|
|
|
|
/**
|
|
* Returns the filename of the opened file.
|
|
*
|
|
* @return: the filename
|
|
*/
|
|
const char *name() const { return _name.c_str(); }
|
|
|
|
bool ioFailed() const;
|
|
void clearIOFailed();
|
|
bool eos() const;
|
|
|
|
virtual int32 pos() const;
|
|
virtual int32 size() const;
|
|
bool seek(int32 offs, int whence = SEEK_SET);
|
|
uint32 read(void *dataPtr, uint32 dataSize);
|
|
};
|
|
|
|
|
|
/**
|
|
* TODO: document this class
|
|
*
|
|
* Some design ideas:
|
|
* - automatically drop all files into dumps/ dir? Might not be desired in all cases
|
|
*/
|
|
class DumpFile : public WriteStream, public NonCopyable {
|
|
protected:
|
|
/** File handle to the actual file; 0 if no file is open. */
|
|
WriteStream *_handle;
|
|
|
|
public:
|
|
DumpFile();
|
|
virtual ~DumpFile();
|
|
|
|
virtual bool open(const String &filename);
|
|
virtual bool open(const FilesystemNode &node);
|
|
|
|
virtual void close();
|
|
|
|
/**
|
|
* Checks if the object opened a file successfully.
|
|
*
|
|
* @return: true if any file is opened, false otherwise.
|
|
*/
|
|
bool isOpen() const;
|
|
|
|
|
|
bool ioFailed() const;
|
|
void clearIOFailed();
|
|
|
|
virtual uint32 write(const void *dataPtr, uint32 dataSize);
|
|
|
|
virtual bool flush();
|
|
};
|
|
|
|
} // End of namespace Common
|
|
|
|
#endif
|