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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 MTROPOLIS_VFS_H
#define MTROPOLIS_VFS_H
#include "common/archive.h"
#include "common/hash-str.h"
namespace MTropolis {
struct VirtualFileSystemLayout {
VirtualFileSystemLayout();
struct PathJunction {
Common::String _srcPath;
Common::String _destPath;
};
struct ArchiveJunction {
Common::String _archiveName;
Common::Archive *_archive;
};
char _pathSeparator;
Common::Path _workspaceRoot;
Common::Array<PathJunction> _pathJunctions;
Common::Array<ArchiveJunction> _archiveJunctions;
Common::Array<Common::String> _exclusions;
};
class VirtualFileSystem : public Common::Archive {
public:
explicit VirtualFileSystem(const VirtualFileSystemLayout &layout);
bool hasFile(const Common::Path &path) const override;
bool isPathDirectory(const Common::Path &path) const override;
int listMembers(Common::ArchiveMemberList &list) const override;
const Common::ArchiveMemberPtr getMember(const Common::Path &path) const override;
Common::SeekableReadStream *createReadStreamForMember(const Common::Path &path) const override;
Common::SeekableReadStream *createReadStreamForMemberAltStream(const Common::Path &path, Common::AltStreamType altStreamType) const override;
int listMatchingMembers(Common::ArchiveMemberList &list, const Common::Path &pattern, bool matchPathComponents = false) const override;
char getPathSeparator() const override;
private:
struct VirtualFile {
Common::Path _virtualPath;
Common::ArchiveMemberPtr _archiveMember;
Common::ArchiveMemberPtr _vfsArchiveMember;
};
struct TempLayoutFile {
Common::String _expandedPath;
Common::String _expandedPathCanonical;
Common::ArchiveMemberPtr _archiveMember;
};
class VFSArchiveMember : public Common::ArchiveMember {
public:
VFSArchiveMember(const VirtualFile *virtualFile, char pathSeparator);
Common::SeekableReadStream *createReadStream() const override;
Common::SeekableReadStream *createReadStreamForAltStream(Common::AltStreamType altStreamType) const override;
Common::String getName() const override;
Common::Path getPathInArchive() const override;
Common::String getFileName() const override;
bool isDirectory() const override;
void listChildren(Common::ArchiveMemberList &childList, const char *pattern) const override;
Common::U32String getDisplayName() const override;
bool isInMacArchive() const override;
private:
const VirtualFile *_virtualFile;
char _pathSeparator;
};
const VirtualFile *getVirtualFile(const Common::Path &path) const;
static bool sortVirtualFiles(const VirtualFile &a, const VirtualFile &b);
Common::String canonicalizePath(const Common::Path &path) const;
char _pathSeparator;
Common::Path _workspaceRoot;
Common::Array<VirtualFile> _virtualFiles;
Common::HashMap<Common::String, uint> _pathToVirtualFileIndex;
};
} // End of namespace MTropolis
#endif
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