1 /* ScummVM - Graphic Adventure Engine
2  *
3  * ScummVM is the legal property of its developers, whose names
4  * are too numerous to list here. Please refer to the COPYRIGHT
5  * file distributed with this source distribution.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 #ifndef BACKENDS_FS_ROMFSSTREAM_H
24 #define BACKENDS_FS_ROMFSSTREAM_H
25 
26 #include "common/scummsys.h"
27 #include "common/noncopyable.h"
28 #include "common/stream.h"
29 #include "common/str.h"
30 
31 class RomfsStream : public Common::SeekableReadStream, public Common::WriteStream, public Common::NonCopyable {
32 protected:
33 	/** File handle to the actual file. */
34 	void *_handle;
35 
36 public:
37 	/**
38 	 * Given a path, invokes fopen on that path and wrap the result in a
39 	 * RomfsStream instance.
40 	 */
41 	static RomfsStream *makeFromPath(const Common::String &path, bool writeMode);
42 
43 	RomfsStream(void *handle);
44 	virtual ~RomfsStream();
45 
46 	virtual bool err() const;
47 	virtual void clearErr();
48 	virtual bool eos() const;
49 
50 	virtual uint32 write(const void *dataPtr, uint32 dataSize);
51 	virtual bool flush();
52 
53 	virtual int32 pos() const;
54 	virtual int32 size() const;
55 	virtual bool seek(int32 offs, int whence = SEEK_SET);
56 	virtual uint32 read(void *dataPtr, uint32 dataSize);
57 };
58 
59 #endif
60