C++ BStringList类代码示例

void
WriterImplBase::_AddStringAttributeList(BHPKGAttributeID id,
	const BStringList& value, DoublyLinkedList<PackageAttribute>& list)
{
	for (int32 i = 0; i < value.CountStrings(); i++)
		AddStringAttribute(id, value.StringAt(i), list);
}

void
MidiSettingsView::_RetrieveSoftSynthList()
{
	BStringList paths;
	status_t status = BPathFinder::FindPaths(B_FIND_PATH_DATA_DIRECTORY,
			"synth", paths);
	if (status != B_OK)
		return;

	fListView->MakeEmpty();

	for (int32 i = 0; i < paths.CountStrings(); i++) {
		BDirectory directory(paths.StringAt(i).String());
		BEntry entry;
		if (directory.InitCheck() != B_OK)
			continue;
		while (directory.GetNextEntry(&entry) == B_OK) {
			BNode node(&entry);
			BNodeInfo nodeInfo(&node);
			char mimeType[B_MIME_TYPE_LENGTH];
			// TODO: For some reason this doesn't work
			if (nodeInfo.GetType(mimeType) == B_OK
					/*&& !strcmp(mimeType, "audio/x-soundfont")*/) {
				BPath fullPath = paths.StringAt(i).String();
				fullPath.Append(entry.Name());
				fListView->AddItem(new BStringItem(fullPath.Path()));
			}
		}
	}
}

status_t
RepositoriesSettings::GetRepositories(int32& repoCount, BStringList& nameList,
	BStringList& urlList)
{
	BMessage settings(_ReadFromFile());
	type_code type;
	int32 count;
	settings.GetInfo(key_name, &type, &count);

	status_t result = B_OK;
	int32 index, total = 0;
	BString foundName, foundUrl;
	// get each repository and add to lists
	for (index = 0; index < count; index++) {
		status_t result1 = settings.FindString(key_name, index, &foundName);
		status_t result2 = settings.FindString(key_url, index, &foundUrl);
		if (result1 == B_OK && result2 == B_OK) {
			nameList.Add(foundName);
			urlList.Add(foundUrl);
			total++;
		} else
			result = B_ERROR;
	}
	repoCount = total;
	return result;
}

/*static*/ status_t
BPathFinder::FindPaths(const char* architecture,
	path_base_directory baseDirectory, const char* subPath, uint32 flags,
	BStringList& _paths)
{
	_paths.MakeEmpty();

	// get the paths
	char** pathArray;
	size_t pathCount;
	status_t error = find_paths_etc(architecture, baseDirectory, subPath, flags,
		&pathArray, &pathCount);
	if (error != B_OK)
		return error;

	MemoryDeleter pathArrayDeleter(pathArray);

	// add them to BStringList
	for (size_t i = 0; i < pathCount; i++) {
		BString path(pathArray[i]);
		if (path.IsEmpty() || !_paths.Add(path)) {
			_paths.MakeEmpty();
			return B_NO_MEMORY;
		}
	}

	return B_OK;
}

void
LaunchDaemon::ReadyToRun()
{
	_RetrieveKernelOptions();
	_SetupEnvironment();

	fReadOnlyBootVolume = Utility::IsReadOnlyVolume("/boot");
	if (fReadOnlyBootVolume)
		Utility::BlockMedia("/boot", true);

	if (fUserMode) {
		BLaunchRoster roster;
		BLaunchRoster::Private(roster).RegisterSessionDaemon(this);
	} else
		_InitSystem();

	BStringList paths;
	BPathFinder::FindPaths(B_FIND_PATH_DATA_DIRECTORY, kLaunchDirectory,
		fUserMode ? B_FIND_PATHS_USER_ONLY : B_FIND_PATHS_SYSTEM_ONLY, paths);
	_ReadPaths(paths);

	BPathFinder::FindPaths(B_FIND_PATH_SETTINGS_DIRECTORY, kLaunchDirectory,
		fUserMode ? B_FIND_PATHS_USER_ONLY : B_FIND_PATHS_SYSTEM_ONLY, paths);
	_ReadPaths(paths);

	_InitJobs(NULL);
	_LaunchJobs(NULL);

	// Launch run targets (ignores events)
	for (int32 index = 0; index < fRunTargets.CountStrings(); index++) {
		Target* target = FindTarget(fRunTargets.StringAt(index));
		if (target != NULL)
			_LaunchJobs(target);
	}
}

void
PackageManager::_PrintResult(InstalledRepository& installationRepository)
{
	if (!installationRepository.HasChanges())
		return;

	printf("  in %s:\n", installationRepository.Name().String());

	PackageList& packagesToActivate
		= installationRepository.PackagesToActivate();
	PackageList& packagesToDeactivate
		= installationRepository.PackagesToDeactivate();

	BStringList upgradedPackages;
	for (int32 i = 0;
		BSolverPackage* installPackage = packagesToActivate.ItemAt(i);
		i++) {
		for (int32 j = 0;
			BSolverPackage* uninstallPackage = packagesToDeactivate.ItemAt(j);
			j++) {
			if (installPackage->Info().Name() == uninstallPackage->Info().Name()) {
				upgradedPackages.Add(installPackage->Info().Name());
				break;
			}
		}
	}

	for (int32 i = 0; BSolverPackage* package = packagesToActivate.ItemAt(i);
		i++) {
		BString repository;
		if (dynamic_cast<MiscLocalRepository*>(package->Repository()) != NULL)
			repository = "local file";
		else
			repository.SetToFormat("repository %s", package->Repository()->Name().String());

		if (upgradedPackages.HasString(package->Info().Name())) {
			printf("    upgrade package %s to %s from %s\n",
				package->Info().Name().String(),
				package->Info().Version().ToString().String(),
				repository.String());
		} else {
			printf("    install package %s-%s from %s\n",
				package->Info().Name().String(),
				package->Info().Version().ToString().String(),
				repository.String());
		}
	}

	for (int32 i = 0; BSolverPackage* package = packagesToDeactivate.ItemAt(i);
		i++) {
		if (upgradedPackages.HasString(package->Info().Name()))
			continue;
		printf("    uninstall package %s\n", package->VersionedName().String());
	}
// TODO: Print file/download sizes. Unfortunately our package infos don't
// contain the file size. Which is probably correct. The file size (and possibly
// other information) should, however, be provided by the repository cache in
// some way. Extend BPackageInfo? Create a BPackageFileInfo?
}

void
Job::_AddStringList(std::vector<const char*>& array, const BStringList& list)
{
	int32 count = list.CountStrings();
	for (int32 index = 0; index < count; index++) {
		array.push_back(list.StringAt(index).String());
	}
}

static void
NotHere(BStringList& that, BStringList& otherList, BStringList* results)
{
	for (int32 i = 0; i < otherList.CountStrings(); i++) {
		if (!that.HasString(otherList.StringAt(i)))
			results->Add(otherList.StringAt(i));
	}
}

void
LaunchDaemon::ReadyToRun()
{
	_RetrieveKernelOptions();
	_SetupEnvironment();

	fReadOnlyBootVolume = Utility::IsReadOnlyVolume("/boot");
	if (fReadOnlyBootVolume)
		Utility::BlockMedia("/boot", true);

	if (fUserMode) {
		BLaunchRoster roster;
		BLaunchRoster::Private(roster).RegisterSessionDaemon(this);
	} else
		_InitSystem();

	BStringList paths;
	if (fUserMode) {
		// System-wide user specific jobs
		BPathFinder::FindPaths(B_FIND_PATH_DATA_DIRECTORY, kUserLaunchDirectory,
			B_FIND_PATHS_SYSTEM_ONLY, paths);
		_ReadPaths(paths);
	}

	BPathFinder::FindPaths(B_FIND_PATH_DATA_DIRECTORY, kLaunchDirectory,
		fUserMode ? B_FIND_PATHS_USER_ONLY : B_FIND_PATHS_SYSTEM_ONLY, paths);
	_ReadPaths(paths);

	if (fUserMode) {
		BPathFinder::FindPaths(B_FIND_PATH_SETTINGS_DIRECTORY,
			kUserLaunchDirectory, B_FIND_PATHS_SYSTEM_ONLY, paths);
		_ReadPaths(paths);
	}

	BPathFinder::FindPaths(B_FIND_PATH_SETTINGS_DIRECTORY, kLaunchDirectory,
		fUserMode ? B_FIND_PATHS_USER_ONLY : B_FIND_PATHS_SYSTEM_ONLY, paths);
	_ReadPaths(paths);

	BMessenger target(this);
	BMessenger::Private messengerPrivate(target);
	port_id port = messengerPrivate.Port();
	int32 token = messengerPrivate.Token();
	__start_watching_system(-1, B_WATCH_SYSTEM_TEAM_DELETION, port, token);

	_InitJobs(NULL);
	_LaunchJobs(NULL);

	// Launch run targets (ignores events)
	for (int32 index = 0; index < fRunTargets.CountStrings(); index++) {
		Target* target = FindTarget(fRunTargets.StringAt(index));
		if (target != NULL)
			_LaunchJobs(target);
	}

	if (fUserMode)
		be_roster->StartWatching(this, B_REQUEST_LAUNCHED);
}

static void add_replaces_list(Repo *repo, Offset &dependencies,
  const BStringList &packageNames)
{
  int32 count = packageNames.CountStrings();
  for (int32 i = 0; i < count; i++)
    {
      const BString &packageName = packageNames.StringAt(i);
      add_dependency(repo, dependencies, packageName, BPackageVersion(), 0);
    }
}

void
LaunchDaemon::_ReadPaths(const BStringList& paths)
{
	for (int32 i = 0; i < paths.CountStrings(); i++) {
		BEntry entry(paths.StringAt(i));
		if (entry.InitCheck() != B_OK || !entry.Exists())
			continue;

		_ReadDirectory(NULL, entry);
	}
}

void
BPackageManager::Init(uint32 flags)
{
	if (fSolver != NULL)
		return;

	// create the solver
	status_t error = BSolver::Create(fSolver);
	if (error != B_OK)
		DIE(error, "failed to create solver");

	if (fSystemRepository == NULL || fHomeRepository == NULL
		|| fLocalRepository == NULL) {
		throw std::bad_alloc();
	}

	fSolver->SetDebugLevel(fDebugLevel);

	BRepositoryBuilder(*fLocalRepository).AddToSolver(fSolver, false);

	// add installation location repositories
	if ((flags & B_ADD_INSTALLED_REPOSITORIES) != 0) {
		// We add only the repository of our actual installation location as the
		// "installed" repository. The repositories for the more general
		// installation locations are added as regular repositories, but with
		// better priorities than the actual (remote) repositories. This
		// prevents the solver from showing conflicts when a package in a more
		// specific installation location overrides a package in a more general
		// one. Instead any requirement that is already installed in a more
		// general installation location will turn up as to be installed as
		// well. But we can easily filter those out.
		_AddInstalledRepository(fSystemRepository);

		if (!fSystemRepository->IsInstalled())
			_AddInstalledRepository(fHomeRepository);
	}

	// add other repositories
	if ((flags & B_ADD_REMOTE_REPOSITORIES) != 0) {
		BPackageRoster roster;
		BStringList repositoryNames;
		error = roster.GetRepositoryNames(repositoryNames);
		if (error != B_OK) {
			fUserInteractionHandler->Warn(error,
				"failed to get repository names");
		}

		int32 repositoryNameCount = repositoryNames.CountStrings();
		for (int32 i = 0; i < repositoryNameCount; i++) {
			_AddRemoteRepository(roster, repositoryNames.StringAt(i),
				(flags & B_REFRESH_REPOSITORIES) != 0);
		}
	}
}

status_t
VirtualDirectoryEntryList::_InitMergedDirectory(
	const BStringList& directoryPaths)
{
	status_t error = fMergedDirectory.Init();
	if (error != B_OK)
		return error;

	int32 count = directoryPaths.CountStrings();
	for (int32 i = 0; i < count; i++)
		fMergedDirectory.AddDirectory(directoryPaths.StringAt(i));

	return B_OK;
}

static void
list_targets(bool verbose)
{
	BLaunchRoster roster;
	BStringList targets;
	status_t status = roster.GetTargets(targets);
	if (status != B_OK) {
		fprintf(stderr, "%s: Could not get target listing: %s\n", kProgramName,
			strerror(status));
		exit(EXIT_FAILURE);
	}

	for (int32 i = 0; i < targets.CountStrings(); i++)
		puts(targets.StringAt(i).String());
}

void
MainWindow::_RefreshRepositories(bool force)
{
	if (fSinglePackageMode)
		return;

	BPackageRoster roster;
	BStringList repositoryNames;

	status_t result = roster.GetRepositoryNames(repositoryNames);
	if (result != B_OK)
		return;

	DecisionProvider decisionProvider;
	JobStateListener listener;
	BContext context(decisionProvider, listener);

	BRepositoryCache cache;
	for (int32 i = 0; i < repositoryNames.CountStrings(); ++i) {
		const BString& repoName = repositoryNames.StringAt(i);
		BRepositoryConfig repoConfig;
		result = roster.GetRepositoryConfig(repoName, &repoConfig);
		if (result != B_OK) {
			// TODO: notify user
			continue;
		}

		if (roster.GetRepositoryCache(repoName, &cache) != B_OK || force) {
			try {
				BRefreshRepositoryRequest refreshRequest(context, repoConfig);

				result = refreshRequest.Process();
			} catch (BFatalErrorException ex) {
				BString message(B_TRANSLATE("An error occurred while "
					"refreshing the repository: %error% (%details%)"));
 				message.ReplaceFirst("%error%", ex.Message());
				message.ReplaceFirst("%details%", ex.Details());
				_NotifyUser("Error", message.String());
			} catch (BException ex) {
				BString message(B_TRANSLATE("An error occurred while "
					"refreshing the repository: %error%"));
				message.ReplaceFirst("%error%", ex.Message());
				_NotifyUser("Error", message.String());
			}
		}
	}
}