C++ FSList::begin方法代码示例

void AdvancedMetaEngine::composeFileHashMap(FileMap &allFiles, const Common::FSList &fslist, int depth, const Common::String &parentName) const {
	if (depth <= 0)
		return;

	if (fslist.empty())
		return;

	for (Common::FSList::const_iterator file = fslist.begin(); file != fslist.end(); ++file) {
		Common::String tstr = (_matchFullPaths && !parentName.empty() ? parentName + "/" : "") + file->getName();

		if (file->isDirectory()) {
			Common::FSList files;

			if (!_directoryGlobs)
				continue;

			bool matched = false;
			for (const char * const *glob = _directoryGlobs; *glob; glob++)
				if (file->getName().matchString(*glob, true)) {
					matched = true;
					break;
				}

			if (!matched)
				continue;

			if (!file->getChildren(files, Common::FSNode::kListAll))
				continue;

			composeFileHashMap(allFiles, files, depth - 1, tstr);
		}

		// Strip any trailing dot
		if (tstr.lastChar() == '.')
			tstr.deleteLastChar();

		allFiles[tstr] = *file;	// Record the presence of this file
	}
}

bool BaseFileManager::registerPackages() {
	debugC(kWintermuteDebugFileAccess | kWintermuteDebugLog, "Scanning packages");

	// Register without using SearchMan, as otherwise the FSNode-based lookup in openPackage will fail
	// and that has to be like that to support the detection-scheme.
	Common::FSList files;
	for (Common::FSList::iterator it = _packagePaths.begin(); it != _packagePaths.end(); ++it) {
		debugC(kWintermuteDebugFileAccess, "Should register folder: %s %s", (*it).getPath().c_str(), (*it).getName().c_str());
		(*it).getChildren(files, Common::FSNode::kListFilesOnly);
		for (Common::FSList::iterator fileIt = files.begin(); fileIt != files.end(); ++fileIt) {
			if (!fileIt->getName().hasSuffix(".dcp")) {
				continue;
			}
			// Avoid registering all the language files
			// TODO: Select based on the gameDesc.
			if (_language != Common::UNK_LANG && fileIt->getParent().getName() == "language") {
				Common::String parentName = fileIt->getParent().getName();
				Common::String dcpName = fileIt->getName();
				if (_language == Common::EN_ANY && fileIt->getName() != "english.dcp") {
					continue;
				} else if (_language == Common::CZ_CZE && fileIt->getName() != "czech.dcp") {
					continue;
				} else if (_language == Common::IT_ITA && fileIt->getName() != "italian.dcp") {
					continue;
				} else if (_language == Common::PL_POL && fileIt->getName() != "polish.dcp") {
					continue;
				} else if (_language == Common::RU_RUS && fileIt->getName() != "russian.dcp") {
					continue;
				}
			}
			debugC(kWintermuteDebugFileAccess, "Registering %s %s", (*fileIt).getPath().c_str(), (*fileIt).getName().c_str());
			registerPackage((*fileIt));
		}
	}

//	debugC(kWintermuteDebugFileAccess | kWintermuteDebugLog, "  Registered %d files in %d package(s)", _files.size(), _packages.size());

	return STATUS_OK;
}

Common::HashMap<Common::String, Score *> DirectorEngine::loadMMMNames(Common::String folder) {
	Common::FSNode directory(folder);
	Common::FSList movies;

	Common::HashMap<Common::String, Score *> nameMap;
	directory.getChildren(movies, Common::FSNode::kListFilesOnly);

	if (!movies.empty()) {
		for (Common::FSList::const_iterator i = movies.begin(); i != movies.end(); ++i) {
			if (i->getName() == _sharedMMM) {
				loadSharedCastsFrom(i->getPath());
				continue;
			}

			RIFFArchive *arc = new RIFFArchive();
			arc->openFile(i->getPath());
			Score *sc = new Score(this);
			nameMap[sc->getMacName()] = sc;
		}
	}

	return nameMap;
}

Common::HashMap<Common::String, Score *> *DirectorEngine::scanMovies(const Common::String &folder) {
    Common::FSNode directory(folder);
    Common::FSList movies;
    const char *sharedMMMname;

    if (getPlatform() == Common::kPlatformWindows)
        sharedMMMname = "SHARDCST.MMM";
    else
        sharedMMMname = "Shared Cast*";


    Common::HashMap<Common::String, Score *> *nameMap = new Common::HashMap<Common::String, Score *>();
    if (!directory.getChildren(movies, Common::FSNode::kListFilesOnly))
        return nameMap;

    if (!movies.empty()) {
        for (Common::FSList::const_iterator i = movies.begin(); i != movies.end(); ++i) {
            debugC(2, kDebugLoading, "File: %s", i->getName().c_str());

            if (Common::matchString(i->getName().c_str(), sharedMMMname, true)) {
                _sharedCastFile = i->getName();
                continue;
            }

            Archive *arc = createArchive();

            warning("name: %s", i->getName().c_str());
            arc->openFile(i->getName());
            Score *sc = new Score(this, arc);
            nameMap->setVal(sc->getMacName(), sc);

            debugC(2, kDebugLoading, "Movie name: \"%s\"", sc->getMacName().c_str());
        }
    }

    return nameMap;
}

bool FrotzMetaEngine::detectGames(const Common::FSList &fslist, DetectedGames &gameList) {
	const char *const EXTENSIONS[] = { ".z1", ".z2", ".z3", ".z4", ".z5", ".z6", ".z7", ".z8",
		".dat", ".zip", nullptr };

	// Loop through the files of the folder
	for (Common::FSList::const_iterator file = fslist.begin(); file != fslist.end(); ++file) {
		// Check for a recognised filename
		if (file->isDirectory())
			continue;
		Common::String filename = file->getName();
		bool hasExt = Blorb::hasBlorbExt(filename), isBlorb = false;
		for (const char *const *ext = &EXTENSIONS[0]; *ext && !hasExt; ++ext)
			hasExt = filename.hasSuffixIgnoreCase(*ext);
		if (!hasExt)
			continue;

		// Open up the file and calculate the md5, and get the serial
		Common::File gameFile;
		if (!gameFile.open(*file))
			continue;
		Common::String md5 = Common::computeStreamMD5AsString(gameFile, 5000);
		size_t filesize = gameFile.size();
		char serial[9] = "";
		bool emptyBlorb = false;
		gameFile.seek(0);
		isBlorb = Blorb::isBlorb(gameFile, ID_ZCOD);

		if (!isBlorb) {
			if (Blorb::hasBlorbExt(filename)) {
				gameFile.close();
				continue;
			}
			gameFile.seek(18);
			strcpy(&serial[0], "\"");
			gameFile.read(&serial[1], 6);
			strcpy(&serial[7], "\"");
		} else {
			Blorb b(*file, INTERPRETER_FROTZ);
			Common::SeekableReadStream *f = b.createReadStreamForMember("game");
			emptyBlorb = f == nullptr;

			if (!emptyBlorb) {
				f->seek(18);
				strcpy(&serial[0], "\"");
				f->read(&serial[1], 6);
				strcpy(&serial[7], "\"");
				delete f;
			}
		}
		gameFile.close();

		// Check for known games. Note that there has been some variation in exact filesizes
		// for Infocom games due to padding at the end of files. So we match on md5s for the
		// first 5Kb, and only worry about filesize for more recent Blorb based Zcode games
		const FrotzGameDescription *p = FROTZ_GAMES;
		while (p->_gameId && p->_md5 && (md5 != p->_md5 ||
				(filesize != p->_filesize && isBlorb)))
			++p;

		DetectedGame gd;
		if (!p->_gameId) {
			// Generic .dat/.zip files don't get reported as matches unless they have a known md5
			if (filename.hasSuffixIgnoreCase(".dat") || filename.hasSuffixIgnoreCase(".zip") || emptyBlorb)
				continue;

			if (gDebugLevel > 0) {
				// Print an entry suitable for putting into the detection_tables.h, using the
				// name of the parent folder the game is in as the presumed game Id
				Common::String folderName = file->getParent().getName();
				if (folderName.hasSuffix("\\"))
					folderName.deleteLastChar();
				Common::String fname = filename;
				const char *dot = strchr(fname.c_str(), '.');
				if (dot)
					fname = Common::String(fname.c_str(), dot);

				debug("ENTRY0(\"%s\", %s, \"%s\", %u),",
					fname.c_str(), strlen(serial) ? serial : "nullptr", md5.c_str(), (uint)filesize);
			}
			const PlainGameDescriptor &desc = ZCODE_GAME_LIST[0];
			gd = DetectedGame(desc.gameId, desc.description, Common::UNK_LANG, Common::kPlatformUnknown);
		} else {
			GameDescriptor gameDesc = findGame(p->_gameId);
			gd = DetectedGame(p->_gameId, gameDesc._description, p->_language, Common::kPlatformUnknown, p->_extra);
			gd.setGUIOptions(p->_guiOptions);
		}

		gd.addExtraEntry("filename", filename);
		gameList.push_back(gd);
	}

	return !gameList.empty();
}

static ADGameDescList detectGame(const Common::FSList &fslist, const ADParams &params, Common::Language language, Common::Platform platform, const Common::String &extra) {
    FileMap allFiles;
    SizeMD5Map filesSizeMD5;

    const ADGameFileDescription *fileDesc;
    const ADGameDescription *g;
    const byte *descPtr;

    if (fslist.empty())
        return ADGameDescList();
    Common::FSNode parent = fslist.begin()->getParent();
    debug(3, "Starting detection in dir '%s'", parent.getPath().c_str());

    // First we compose a hashmap of all files in fslist.
    // Includes nifty stuff like removing trailing dots and ignoring case.
    composeFileHashMap(fslist, allFiles, (params.depth == 0 ? 1 : params.depth), params.directoryGlobs);

    // Check which files are included in some ADGameDescription *and* present
    // in fslist. Compute MD5s and file sizes for these files.
    for (descPtr = params.descs; ((const ADGameDescription *)descPtr)->gameid != 0; descPtr += params.descItemSize) {
        g = (const ADGameDescription *)descPtr;

        for (fileDesc = g->filesDescriptions; fileDesc->fileName; fileDesc++) {
            Common::String fname = fileDesc->fileName;
            SizeMD5 tmp;

            if (filesSizeMD5.contains(fname))
                continue;

            // FIXME/TODO: We don't handle the case that a file is listed as a regular
            // file and as one with resource fork.

            if (g->flags & ADGF_MACRESFORK) {
                Common::MacResManager *macResMan = new Common::MacResManager();

                if (macResMan->open(parent, fname)) {
                    tmp.md5 = macResMan->computeResForkMD5AsString(params.md5Bytes);
                    tmp.size = macResMan->getResForkDataSize();
                    debug(3, "> '%s': '%s'", fname.c_str(), tmp.md5.c_str());
                    filesSizeMD5[fname] = tmp;
                }

                delete macResMan;
            } else {
                if (allFiles.contains(fname)) {
                    debug(3, "+ %s", fname.c_str());

                    Common::File testFile;

                    if (testFile.open(allFiles[fname])) {
                        tmp.size = (int32)testFile.size();
                        tmp.md5 = Common::computeStreamMD5AsString(testFile, params.md5Bytes);
                    } else {
                        tmp.size = -1;
                    }

                    debug(3, "> '%s': '%s'", fname.c_str(), tmp.md5.c_str());
                    filesSizeMD5[fname] = tmp;
                }
            }
        }
    }

    ADGameDescList matched;
    int maxFilesMatched = 0;
    bool gotAnyMatchesWithAllFiles = false;

    // MD5 based matching
    uint i;
    for (i = 0, descPtr = params.descs; ((const ADGameDescription *)descPtr)->gameid != 0; descPtr += params.descItemSize, ++i) {
        g = (const ADGameDescription *)descPtr;
        bool fileMissing = false;

        // Do not even bother to look at entries which do not have matching
        // language and platform (if specified).
        if ((language != Common::UNK_LANG && g->language != Common::UNK_LANG && g->language != language
                && !(language == Common::EN_ANY && (g->flags & ADGF_ADDENGLISH))) ||
                (platform != Common::kPlatformUnknown && g->platform != Common::kPlatformUnknown && g->platform != platform)) {
            continue;
        }

        if ((params.flags & kADFlagUseExtraAsHint) && !extra.empty() && g->extra != extra)
            continue;

        bool allFilesPresent = true;
        int curFilesMatched = 0;

        // Try to match all files for this game
        for (fileDesc = g->filesDescriptions; fileDesc->fileName; fileDesc++) {
            Common::String tstr = fileDesc->fileName;

            if (!filesSizeMD5.contains(tstr)) {
                fileMissing = true;
                allFilesPresent = false;
                break;
            }

            if (fileDesc->md5 != NULL && fileDesc->md5 != filesSizeMD5[tstr].md5) {
                debug(3, "MD5 Mismatch. Skipping (%s) (%s)", fileDesc->md5, filesSizeMD5[tstr].md5.c_str());
                fileMissing = true;
//.........这里部分代码省略.........

Common::Error AdvancedMetaEngine::createInstance(OSystem *syst, Engine **engine) const {
	assert(engine);

	const ADGameDescription *agdDesc = 0;
	Common::Language language = Common::UNK_LANG;
	Common::Platform platform = Common::kPlatformUnknown;
	Common::String extra;

	if (ConfMan.hasKey("language"))
		language = Common::parseLanguage(ConfMan.get("language"));
	if (ConfMan.hasKey("platform"))
		platform = Common::parsePlatform(ConfMan.get("platform"));
	if (_flags & kADFlagUseExtraAsHint) {
		if (ConfMan.hasKey("extra"))
			extra = ConfMan.get("extra");
	}

	Common::String gameid = ConfMan.get("gameid");

	Common::String path;
	if (ConfMan.hasKey("path")) {
		path = ConfMan.get("path");
	} else {
		path = ".";

		// This situation may happen only when game was
		// launched from a command line with wrong target and
		// no path was provided.
		//
		// A dummy entry will get created and will keep game path
		// We mark this entry, so it will not be added to the
		// config file.
		//
		// Fixes bug #1544799
		ConfMan.setBool("autoadded", true);

		warning("No path was provided. Assuming the data files are in the current directory");
	}
	Common::FSNode dir(path);
	Common::FSList files;
	if (!dir.isDirectory() || !dir.getChildren(files, Common::FSNode::kListAll, true)) {
		warning("Game data path does not exist or is not a directory (%s)", path.c_str());
		return Common::kNoGameDataFoundError;
	}

	if (files.empty())
		return Common::kNoGameDataFoundError;

	// Compose a hashmap of all files in fslist.
	FileMap allFiles;
	composeFileHashMap(allFiles, files, (_maxScanDepth == 0 ? 1 : _maxScanDepth));

	// Run the detector on this
	ADGameDescList matches = detectGame(files.begin()->getParent(), allFiles, language, platform, extra);

	if (cleanupPirated(matches))
		return Common::kNoGameDataFoundError;

	if (_singleId == NULL) {
		// Find the first match with correct gameid.
		for (uint i = 0; i < matches.size(); i++) {
			if (matches[i]->gameId == gameid) {
				agdDesc = matches[i];
				break;
			}
		}
	} else if (matches.size() > 0) {
		agdDesc = matches[0];
	}

	if (agdDesc == 0) {
		// Use fallback detector if there were no matches by other means
		agdDesc = fallbackDetect(allFiles, files);
		if (agdDesc != 0) {
			// Seems we found a fallback match. But first perform a basic
			// sanity check: the gameid must match.
			if (_singleId == NULL && agdDesc->gameId != gameid)
				agdDesc = 0;
		}
	}

	if (agdDesc == 0)
		return Common::kNoGameDataFoundError;

	// If the GUI options were updated, we catch this here and update them in the users config
	// file transparently.
	Common::String lang = getGameGUIOptionsDescriptionLanguage(agdDesc->language);
	if (agdDesc->flags & ADGF_ADDENGLISH)
		lang += " " + getGameGUIOptionsDescriptionLanguage(Common::EN_ANY);

	Common::updateGameGUIOptions(agdDesc->guiOptions + _guiOptions, lang);

	GameDescriptor gameDescriptor = toGameDescriptor(*agdDesc, _gameIds);

	bool showTestingWarning = false;

#ifdef RELEASE_BUILD
	showTestingWarning = true;
#endif

//.........这里部分代码省略.........

GameList detectGamesImpl(const Common::FSList &fslist, bool recursion = false) {
	GameList detectedGames;
	const Sword2::GameSettings *g;
	Common::FSList::const_iterator file;
	bool isFullVersion = isFullGame(fslist);

	for (g = Sword2::sword2_settings; g->gameid; ++g) {
		// Iterate over all files in the given directory
		for (file = fslist.begin(); file != fslist.end(); ++file) {
			if (!file->isDirectory()) {
				// The required game data files can be located in the game directory, or in
				// a subdirectory called "clusters". In the latter case, we don't want to
				// detect the game in that subdirectory, as this will detect the game twice
				// when mass add is searching inside a directory. In this case, the first
				// result (the game directory) will be correct, but the second result (the
				// clusters subdirectory) will be wrong, as the optional speech, music and
				// video data files will be ignored. Note that this fix will skip the game
				// data files if the user has placed them inside a "clusters" subdirectory,
				// or if he/she points ScummVM directly to the "clusters" directory of the
				// game CD. Fixes bug #3049336.
				Common::String directory = file->getParent().getName();
				directory.toLowercase();
				if (directory.hasPrefix("clusters") && directory.size() <= 9 && !recursion)
					continue;

				if (file->getName().equalsIgnoreCase(g->detectname)) {
					// Make sure that the sword2 demo is not mixed up with the
					// full version, since they use the same filename for detection
					if ((g->features == Sword2::GF_DEMO && isFullVersion) ||
						(g->features == 0 && !isFullVersion))
						continue;

					// Match found, add to list of candidates, then abort inner loop.
					detectedGames.push_back(GameDescriptor(g->gameid, g->description, Common::UNK_LANG, Common::kPlatformUnknown, GUIO2(GUIO_NOMIDI, GUIO_NOASPECT)));
					break;
				}
			}
		}
	}


	if (detectedGames.empty()) {
		// Nothing found -- try to recurse into the 'clusters' subdirectory,
		// present e.g. if the user copied the data straight from CD.
		for (file = fslist.begin(); file != fslist.end(); ++file) {
			if (file->isDirectory()) {
				if (file->getName().equalsIgnoreCase("clusters")) {
					Common::FSList recList;
					if (file->getChildren(recList, Common::FSNode::kListAll)) {
						GameList recGames(detectGamesImpl(recList, true));
						if (!recGames.empty()) {
							detectedGames.push_back(recGames);
							break;
						}
					}
				}
			}
		}
	}


	return detectedGames;
}

bool DownloadDialog::selectDirectories() {
	if (Networking::Connection::isLimited()) {
		MessageDialog alert(_("It looks like your connection is limited. "
			"Do you really want to download files with it?"), _("Yes"), _("No"));
		if (alert.runModal() != GUI::kMessageOK)
			return false;
	}

	//first user should select remote directory to download
	if (_remoteBrowser->runModal() <= 0)
		return false;

	Cloud::StorageFile remoteDirectory = _remoteBrowser->getResult();

	//now user should select local directory to download into
	if (_browser->runModal() <= 0)
		return false;

	Common::FSNode dir(_browser->getResult());
	Common::FSList files;
	if (!dir.getChildren(files, Common::FSNode::kListAll)) {
		MessageDialog alert(_("ScummVM couldn't open the specified directory!"));
		alert.runModal();
		return false;
	}

	//check that there is no file with the remote directory's name in the local one
	for (Common::FSList::iterator i = files.begin(); i != files.end(); ++i) {
		if (i->getName().equalsIgnoreCase(remoteDirectory.name())) {
			//if there is, ask user whether it's OK
			if (!i->isDirectory()) {
				GUI::MessageDialog alert(_("Cannot create a directory to download - the specified directory has a file with the same name."), _("OK"));
				alert.runModal();
				return false;
			}
			GUI::MessageDialog alert(
				Common::String::format(_("The \"%s\" already exists in the specified directory.\nDo you really want to download files into that directory?"), remoteDirectory.name().c_str()),
				_("Yes"),
				_("No")
				);
			if (alert.runModal() != GUI::kMessageOK)
				return false;
			break;
		}
	}

	//make a local path
	Common::String localPath = dir.getPath();

	//simple heuristic to determine which path separator to use
	if (localPath.size() && localPath.lastChar() != '/' && localPath.lastChar() != '\\') {
		int backslashes = 0;
		for (uint32 i = 0; i < localPath.size(); ++i)
			if (localPath[i] == '/')
				--backslashes;
			else if (localPath[i] == '\\')
				++backslashes;

		if (backslashes > 0)
			localPath += '\\' + remoteDirectory.name();
		else
			localPath += '/' + remoteDirectory.name();
	} else {
		localPath += remoteDirectory.name();
	}

	CloudMan.startDownload(remoteDirectory.path(), localPath);
	CloudMan.setDownloadTarget(this);
	_localDirectory = localPath;
	return true;
}

bool BaseFileManager::registerPackages() {
	debugC(kWintermuteDebugFileAccess | kWintermuteDebugLog, "Scanning packages");

	// We need the target name as a Common::String to perform some game-specific hacks.
	Common::String targetName = BaseEngine::instance().getGameTargetName();

	// Register without using SearchMan, as otherwise the FSNode-based lookup in openPackage will fail
	// and that has to be like that to support the detection-scheme.
	Common::FSList files;
	for (Common::FSList::const_iterator it = _packagePaths.begin(); it != _packagePaths.end(); ++it) {
		debugC(kWintermuteDebugFileAccess, "Should register folder: %s %s", it->getPath().c_str(), it->getName().c_str());
		if (!it->getChildren(files, Common::FSNode::kListFilesOnly)) {
			warning("getChildren() failed for path: %s", it->getDisplayName().c_str());
		}
		for (Common::FSList::const_iterator fileIt = files.begin(); fileIt != files.end(); ++fileIt) {
			// To prevent any case sensitivity issues we make the filename
			// all lowercase here. This makes the code slightly prettier
			// than the equivalent of using equalsIgnoreCase.
			Common::String fileName = fileIt->getName();
			fileName.toLowercase();

			if (!fileName.hasSuffix(".dcp")) {
				continue;
			}
			// HACK: for Reversion1, avoid loading xlanguage_pt.dcp from the main folder:
			if (_language != Common::PT_BRA && targetName.hasPrefix("reversion1")) {
				if (fileName == "xlanguage_pt.dcp") {
					continue;
				}
			}

			// Again, make the parent's name all lowercase to avoid any case
			// issues.
			Common::String parentName = fileIt->getParent().getName();
			parentName.toLowercase();

			// Avoid registering all the language files
			// TODO: Select based on the gameDesc.
			if (_language != Common::UNK_LANG && (parentName == "language" || parentName == "languages")) {
				// English
				if (_language == Common::EN_ANY && (fileName != "english.dcp" && fileName != "xlanguage_en.dcp")) {
					continue;
				// Chinese
				} else if (_language == Common::ZH_CNA && (fileName != "chinese.dcp" && fileName != "xlanguage_nz.dcp")) {
					continue;
				// Czech
				} else if (_language == Common::CZ_CZE && (fileName != "czech.dcp" && fileName != "xlanguage_cz.dcp")) {
					continue;
				// French
				} else if (_language == Common::FR_FRA && (fileName != "french.dcp" && fileName != "xlanguage_fr.dcp")) {
					continue;
				// German
				} else if (_language == Common::DE_DEU && (fileName != "german.dcp" && fileName != "xlanguage_de.dcp")) {
					continue;
				// Italian
				} else if (_language == Common::IT_ITA && (fileName != "italian.dcp" && fileName != "xlanguage_it.dcp")) {
					continue;
				// Latvian
				} else if (_language == Common::LV_LAT && (fileName != "latvian.dcp" && fileName != "xlanguage_lv.dcp")) {
					// TODO: 'latvian.dcp' is just guesswork. Is there any
					// game using Latvian and using this filename?
					continue;
				// Polish
				} else if (_language == Common::PL_POL && (fileName != "polish.dcp" && fileName != "xlanguage_pl.dcp")) {
					continue;
				// Portuguese
				} else if (_language == Common::PT_BRA && (fileName != "portuguese.dcp" && fileName != "xlanguage_pt.dcp")) {
					continue;
				// Russian
				} else if (_language == Common::RU_RUS && (fileName != "russian.dcp" && fileName != "xlanguage_ru.dcp")) {
					continue;
				}
			}
			debugC(kWintermuteDebugFileAccess, "Registering %s %s", fileIt->getPath().c_str(), fileIt->getName().c_str());
			registerPackage((*fileIt));
		}
	}

//	debugC(kWintermuteDebugFileAccess | kWintermuteDebugLog, "  Registered %d files in %d package(s)", _files.size(), _packages.size());

	return STATUS_OK;
}

ADDetectedGame DirectorMetaEngine::fallbackDetect(const FileMap &allFiles, const Common::FSList &fslist) const {
	// TODO: Handle Mac fallback

	// reset fallback description
	Director::DirectorGameDescription *desc = &s_fallbackDesc;
	desc->desc.gameId = "director";
	desc->desc.extra = "";
	desc->desc.language = Common::UNK_LANG;
	desc->desc.flags = ADGF_NO_FLAGS;
	desc->desc.platform = Common::kPlatformWindows;
	desc->desc.guiOptions = GUIO0();
	desc->desc.filesDescriptions[0].fileName = 0;
	desc->version = 0;
	desc->gameID = Director::GID_GENERIC;

	for (Common::FSList::const_iterator file = fslist.begin(); file != fslist.end(); ++file) {
		if (file->isDirectory())
			continue;

		Common::String fileName = file->getName();
		fileName.toLowercase();
		if (!fileName.hasSuffix(".exe"))
			continue;

		Common::File f;
		if (!f.open(*file))
			continue;

		f.seek(-4, SEEK_END);

		uint32 offset = f.readUint32LE();

		if (f.eos() || offset == 0 || offset >= (uint32)(f.size() - 4))
			continue;

		f.seek(offset);

		uint32 tag = f.readUint32LE();

		switch (tag) {
		case MKTAG('3', '9', 'J', 'P'):
			desc->version = 4;
			break;
		case MKTAG('P', 'J', '9', '5'):
			desc->version = 5;
			break;
		case MKTAG('P', 'J', '0', '0'):
			desc->version = 7;
			break;
		default:
			// Prior to version 4, there was no tag here. So we'll use a bit of a
			// heuristic to detect. The first field is the entry count, of which
			// there should only be one.
			if ((tag & 0xFFFF) != 1)
				continue;

			f.skip(3);

			uint32 mmmSize = f.readUint32LE();

			if (f.eos() || mmmSize == 0)
				continue;

			byte fileNameSize = f.readByte();

			if (f.eos())
				continue;

			f.skip(fileNameSize);
			byte directoryNameSize = f.readByte();

			if (f.eos())
				continue;

			f.skip(directoryNameSize);

			if (f.pos() != f.size() - 4)
				continue;

			// Assume v3 at this point (for now at least)
			desc->version = 3;
		}

		strncpy(s_fallbackFileNameBuffer, fileName.c_str(), 50);
		s_fallbackFileNameBuffer[50] = '\0';
		desc->desc.filesDescriptions[0].fileName = s_fallbackFileNameBuffer;

		warning("Director fallback detection D%d", desc->version);

		return ADDetectedGame(&desc->desc);
	}

	return ADDetectedGame();
}