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/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef POSIX_DRIVES_FILESYSTEM_H
#define POSIX_DRIVES_FILESYSTEM_H
#include "backends/fs/posix/posix-fs.h"
class StdioStream;
/**
* POSIX file system node where the top-level directory is a hardcoded
* list of drives.
*/
class DrivePOSIXFilesystemNode : public POSIXFilesystemNode {
protected:
virtual AbstractFSNode *makeNode() const {
return new DrivePOSIXFilesystemNode(_config);
}
AbstractFSNode *makeNode(const Common::String &path) const override {
return new DrivePOSIXFilesystemNode(path, _config);
}
public:
enum BufferingMode {
/** IO buffering is fully disabled */
kBufferingModeDisabled,
/** IO buffering is enabled and uses the libc implemenation */
kBufferingModeStdio,
/** IO buffering is enabled and uses ScummVM's buffering stream wraappers */
kBufferingModeScummVM
};
struct Config {
// Use the default stdio buffer size
Config() : bufferingMode(kBufferingModeStdio), bufferSize(0) { }
virtual ~Config() { }
virtual bool getDrives(AbstractFSList &list, bool hidden) const = 0;
virtual bool isDrive(const Common::String &path) const = 0;
BufferingMode bufferingMode;
uint32 bufferSize;
};
DrivePOSIXFilesystemNode(const Common::String &path, const Config &config);
DrivePOSIXFilesystemNode(const Config &config);
// AbstractFSNode API
Common::SeekableReadStream *createReadStream() override;
Common::SeekableWriteStream *createWriteStream(bool atomic) override;
AbstractFSNode *getChild(const Common::String &n) const override;
bool getChildren(AbstractFSList &list, ListMode mode, bool hidden) const override;
AbstractFSNode *getParent() const override;
protected:
const Config &_config;
private:
bool _isPseudoRoot;
DrivePOSIXFilesystemNode *getChildWithKnownType(const Common::String &n, bool isDirectoryFlag) const;
bool isDrive(const Common::String &path) const;
void configureStream(StdioStream *stream);
};
#endif
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