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Diffstat (limited to 'engines/sword25/kernel/filesystemutil.cpp')
| -rw-r--r-- | engines/sword25/kernel/filesystemutil.cpp | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/engines/sword25/kernel/filesystemutil.cpp b/engines/sword25/kernel/filesystemutil.cpp new file mode 100644 index 0000000000..853e6b247f --- /dev/null +++ b/engines/sword25/kernel/filesystemutil.cpp @@ -0,0 +1,152 @@ +/* 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 2 + * 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, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + * + */ + +/* + * This code is based on Broken Sword 2.5 engine + * + * Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer + * + * Licensed under GNU GPL v2 + * + */ + +// ----------------------------------------------------------------------------- +// Includes +// ----------------------------------------------------------------------------- + +#include "common/config-manager.h" +#include "common/fs.h" +#include "common/savefile.h" +#include "common/system.h" +#include "sword25/kernel/filesystemutil.h" +#include "sword25/kernel/persistenceservice.h" + +namespace Sword25 { + +#define BS_LOG_PREFIX "FILESYSTEMUTIL" + +// ----------------------------------------------------------------------------- +// Constants and utility functions +// ----------------------------------------------------------------------------- + +Common::String GetAbsolutePath(const Common::String &Path) { + Common::FSNode node(Path); + + if (!node.exists()) { + // An error has occurred finding the node + // We can do nothing at this pointer than return an empty string + BS_LOG_ERRORLN("A call to GetAbsolutePath failed."); + return ""; + } + + // Return the result + return node.getPath(); +} + +// ----------------------------------------------------------------------------- +// Class definitions +// ----------------------------------------------------------------------------- + +class BS_FileSystemUtilScummVM : public FileSystemUtil { +public: + virtual Common::String GetUserdataDirectory() { + Common::String path = ConfMan.get("savepath"); + + if (path.empty()) { + error("No save path has been defined"); + return ""; + } + + // Return the path + return path; + } + + virtual Common::String GetPathSeparator() { + return Common::String("/"); + } + + virtual int64 GetFileSize(const Common::String &Filename) { + Common::FSNode node(Filename); + + // If the file does not exist, return -1 as a result + if (!node.exists()) + return -1; + + // Get the size of the file and return it + Common::File f; + f.open(node); + uint32 size = f.size(); + f.close(); + + return size; + } + + virtual TimeDate GetFileTime(const Common::String &Filename) { + // TODO: There isn't any way in ScummVM to get a file's modified date/time. We will need to check + // what code makes use of it. If it's only the save game code, for example, we may be able to + // encode the date/time inside the savegame files themselves. + TimeDate result; + g_system->getTimeAndDate(result); + return result; + } + + virtual bool FileExists(const Common::String &Filename) { + Common::File f; + if (f.exists(Filename)) + return true; + + // Check if the file exists in the save folder + Common::FSNode folder(PersistenceService::GetSavegameDirectory()); + Common::FSNode fileNode = folder.getChild(FileSystemUtil::GetInstance().GetPathFilename(Filename)); + return fileNode.exists(); + } + + virtual bool CreateDirectory(const Common::String &DirectoryName) { + // ScummVM doesn't support creating folders, so this is only a stub + BS_LOG_ERRORLN("CreateDirectory method called"); + return false; + } + + virtual Common::String GetPathFilename(const Common::String &Path) { + for (int i = Path.size() - 1; i >= 0; --i) { + if ((Path[i] == '/') || (Path[i] == '\\')) { + return Common::String(&Path.c_str()[i + 1]); + } + } + + return Path; + } +}; + +// ----------------------------------------------------------------------------- +// Singleton method of parent class +// ----------------------------------------------------------------------------- + +FileSystemUtil &FileSystemUtil::GetInstance() { + static BS_FileSystemUtilScummVM Instance; + return Instance; +} + +} // End of namespace Sword25 |