2007-05-30 21:56:52 +00:00
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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2002-08-31 07:43:34 +00:00
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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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2005-10-18 01:30:26 +00:00
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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2002-08-31 07:43:34 +00:00
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*
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2006-02-11 09:53:53 +00:00
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* $URL$
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* $Id$
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2002-08-31 07:43:34 +00:00
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*
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*/
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2002-09-08 01:08:12 +00:00
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#ifndef COMMON_FILE_H
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#define COMMON_FILE_H
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2005-06-24 15:23:51 +00:00
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#include "common/stdafx.h"
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2003-08-01 12:21:04 +00:00
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#include "common/scummsys.h"
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2003-10-10 13:55:08 +00:00
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#include "common/str.h"
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2004-04-17 09:57:15 +00:00
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#include "common/stream.h"
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2002-08-31 07:43:34 +00:00
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2006-04-30 23:08:37 +00:00
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class FilesystemNode;
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2005-05-10 22:56:25 +00:00
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namespace Common {
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class File : public SeekableReadStream, public WriteStream {
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2004-07-23 01:39:05 +00:00
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protected:
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2007-03-08 16:46:02 +00:00
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/** File handle to the actual file; 0 if no file is open. */
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void *_handle;
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2005-07-30 21:11:48 +00:00
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2004-06-28 22:34:22 +00:00
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/** Status flag which tells about recent I/O failures. */
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2002-09-02 22:06:26 +00:00
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bool _ioFailed;
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2005-07-30 21:11:48 +00:00
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2004-06-28 22:34:22 +00:00
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/** The name of this file, for debugging. */
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2005-05-10 22:56:25 +00:00
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String _name;
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2004-06-28 22:34:22 +00:00
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2006-05-20 15:10:04 +00:00
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private:
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// Disallow copying File objects. There is not strict reason for this,
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// except that so far we never had real need for such a feature, and
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// code that accidentally copied File objects tended to break in strange
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// ways.
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File(const File &f);
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File &operator =(const File &f);
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2002-08-31 07:43:34 +00:00
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public:
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2003-12-25 17:52:25 +00:00
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enum AccessMode {
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2002-09-13 18:02:34 +00:00
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kFileReadMode = 1,
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kFileWriteMode = 2
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};
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2005-07-30 21:11:48 +00:00
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2006-03-25 19:30:10 +00:00
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static void addDefaultDirectory(const String &directory);
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2006-05-13 18:14:23 +00:00
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static void addDefaultDirectoryRecursive(const String &directory, int level = 4, const String &prefix = "");
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2006-05-01 21:06:34 +00:00
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static void addDefaultDirectory(const FilesystemNode &directory);
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2006-05-13 18:14:23 +00:00
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static void addDefaultDirectoryRecursive(const FilesystemNode &directory, int level = 4, const String &prefix = "");
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2006-05-01 21:06:34 +00:00
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2004-06-28 00:06:31 +00:00
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static void resetDefaultDirectories();
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2005-07-30 21:11:48 +00:00
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2002-08-31 07:43:34 +00:00
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File();
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2003-06-21 20:21:40 +00:00
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virtual ~File();
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2004-06-28 22:34:22 +00:00
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2006-07-24 12:10:32 +00:00
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/**
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* Checks if a given file exists in any of the current default paths
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* (those were/are added by addDefaultDirectory and/or
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* addDefaultDirectoryRecursive).
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*
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* @param filename: the file to check for
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* @return: true if the file exists, else false
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*/
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static bool exists(const String &filename);
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2006-05-20 15:10:04 +00:00
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2006-04-26 14:05:34 +00:00
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virtual bool open(const String &filename, AccessMode mode = kFileReadMode);
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2006-04-30 23:08:37 +00:00
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virtual bool open(const FilesystemNode &node, AccessMode mode = kFileReadMode);
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2004-11-27 15:09:53 +00:00
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2004-07-26 17:06:39 +00:00
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virtual void close();
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2006-07-24 12:10:32 +00:00
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2007-07-20 19:42:38 +00:00
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virtual bool remove(const String &filename);
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virtual bool remove(const FilesystemNode &node);
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2006-07-24 12:10:32 +00:00
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/**
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* Checks if the object opened a file successfully.
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*
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* @return: true if any file is opened, false otherwise.
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*/
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2003-11-30 00:06:27 +00:00
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bool isOpen() const;
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2006-07-24 12:10:32 +00:00
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/**
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* Returns the filename of the opened file.
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*
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* @return: the filename
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*/
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const char *name() const { return _name.c_str(); }
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2003-11-30 00:06:27 +00:00
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bool ioFailed() const;
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2002-09-02 22:06:26 +00:00
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void clearIOFailed();
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2005-04-22 17:40:09 +00:00
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bool eos() const { return eof(); }
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2006-07-24 12:10:32 +00:00
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/**
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* Checks for end of file.
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*
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* @return: true if the end of file is reached, false otherwise.
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*/
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2005-01-09 01:41:43 +00:00
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bool eof() const;
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2006-07-24 12:10:32 +00:00
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2005-01-09 01:41:43 +00:00
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uint32 pos() const;
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uint32 size() const;
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void seek(int32 offs, int whence = SEEK_SET);
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2005-05-06 13:10:58 +00:00
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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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2002-08-31 07:43:34 +00:00
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};
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2005-05-10 22:56:25 +00:00
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} // End of namespace Common
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2002-08-31 07:43:34 +00:00
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#endif
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