C++ const_iterator::getChildren方法代码示例

void Sword1CheckDirectory(const Common::FSList &fslist, bool *filesFound, bool recursion = false) {
	for (Common::FSList::const_iterator 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 #3049346.
			Common::String directory = file->getParent().getName();
			directory.toLowercase();
			if (directory.hasPrefix("clusters") && directory.size() <= 9 && !recursion)
				continue;

			const char *fileName = file->getName().c_str();
			for (int cnt = 0; cnt < NUM_FILES_TO_CHECK; cnt++)
				if (scumm_stricmp(fileName, g_filesToCheck[cnt]) == 0)
					filesFound[cnt] = true;
		} else {
			for (int cnt = 0; cnt < ARRAYSIZE(g_dirNames); cnt++)
				if (scumm_stricmp(file->getName().c_str(), g_dirNames[cnt]) == 0) {
					Common::FSList fslist2;
					if (file->getChildren(fslist2, Common::FSNode::kListFilesOnly))
						Sword1CheckDirectory(fslist2, filesFound, true);
				}
		}
	}
}

GameList Sword2MetaEngine::detectGames(const Common::FSList &fslist) const {
	GameList detectedGames;
	const Sword2::GameSettings *g;
	Common::FSList::const_iterator file;

	// TODO: It would be nice if we had code here which distinguishes
	// between the 'sword2' and 'sword2demo' targets. The current code
	// can't do that since they use the same detectname.

	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()) {
				const char *fileName = file->getName().c_str();

				if (0 == scumm_stricmp(g->detectname, fileName)) {
					// Match found, add to list of candidates, then abort inner loop.
					detectedGames.push_back(GameDescriptor(g->gameid, g->description, Common::UNK_LANG, Common::kPlatformUnknown, Common::GUIO_NOMIDI));
					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()) {
				const char *fileName = file->getName().c_str();

				if (0 == scumm_stricmp("clusters", fileName)) {
					Common::FSList recList;
					if (file->getChildren(recList, Common::FSNode::kListAll)) {
						GameList recGames(detectGames(recList));
						if (!recGames.empty()) {
							detectedGames.push_back(recGames);
							break;
						}
					}
				}
			}
		}
	}


	return detectedGames;
}

static void composeFileHashMap(const Common::FSList &fslist, FileMap &allFiles, int depth, const char * const *directoryGlobs) {
    if (depth <= 0)
        return;

    if (fslist.empty())
        return;

    // First we compose a hashmap of all files in fslist.
    // Includes nifty stuff like removing trailing dots and ignoring case.
    for (Common::FSList::const_iterator file = fslist.begin(); file != fslist.end(); ++file) {
        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(files, allFiles, depth - 1, directoryGlobs);
        }

        Common::String tstr = file->getName();

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

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

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
	}
}

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 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;
}