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84 lines
2.2 KiB
C++
84 lines
2.2 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2002-2006 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $Header$
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*
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*/
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#ifndef COMMON_FILE_H
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#define COMMON_FILE_H
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#include "common/stdafx.h"
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#include "common/scummsys.h"
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#include "common/str.h"
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#include "common/stream.h"
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namespace Common {
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class File : public SeekableReadStream, public WriteStream {
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protected:
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/** POSIX file handle to the actual file; 0 if no file is open. */
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FILE *_handle;
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/** Status flag which tells about recent I/O failures. */
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bool _ioFailed;
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/** Simple ref-counter for File objects. */
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int32 _refcount;
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/** The name of this file, for debugging. */
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String _name;
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static StringList _defaultDirectories;
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public:
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enum AccessMode {
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kFileReadMode = 1,
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kFileWriteMode = 2
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};
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static void addDefaultDirectory(const String &directory);
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static void resetDefaultDirectories();
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File();
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virtual ~File();
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void incRef();
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void decRef();
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virtual bool open(const char *filename, AccessMode mode = kFileReadMode, const char *directory = NULL);
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static bool exists(const char *filename, const char *directory = NULL);
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virtual void close();
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bool isOpen() const;
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bool ioFailed() const;
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void clearIOFailed();
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bool eos() const { return eof(); }
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bool eof() const;
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uint32 pos() const;
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uint32 size() const;
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const char *name() const { return _name.c_str(); }
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void seek(int32 offs, int whence = SEEK_SET);
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uint32 read(void *dataPtr, uint32 dataSize);
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uint32 write(const void *dataPtr, uint32 dataSize);
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};
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} // End of namespace Common
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#endif
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