C++ string::rfind方法代码示例

/** The following comes from InspIRCd to get the full path of the Anope executable
 */
static Anope::string GetFullProgDir(const Anope::string &argv0)
{
	char buffer[PATH_MAX];
#ifdef _WIN32
	/* Windows has specific API calls to get the EXE path that never fail.
	 * For once, Windows has something of use, compared to the POSIX code
	 * for this, this is positively neato.
	 */
	if (GetModuleFileName(NULL, buffer, PATH_MAX))
	{
		Anope::string fullpath = buffer;
		Anope::string::size_type n = fullpath.rfind("\\");
		Anope::ServicesBin = fullpath.substr(n + 1, fullpath.length());
		return fullpath.substr(0, n);
	}
#else
	// Get the current working directory
	if (getcwd(buffer, PATH_MAX))
	{
		Anope::string remainder = argv0;

		Anope::ServicesBin = remainder;
		Anope::string::size_type n = Anope::ServicesBin.rfind("/");
		Anope::string fullpath;
		if (Anope::ServicesBin[0] == '/')
			fullpath = Anope::ServicesBin.substr(0, n);
		else
			fullpath = Anope::string(buffer) + "/" + Anope::ServicesBin.substr(0, n);
		Anope::ServicesBin = Anope::ServicesBin.substr(n + 1, remainder.length());
		return fullpath;
	}
#endif
	return "/";
}

	void DoAdd(CommandSource &source, ChanServ::Channel *ci, const Anope::string &word)
	{
		size_t pos = word.rfind(' ');
		BadWordType bwtype = BW_ANY;
		Anope::string realword = word;

		if (pos != Anope::string::npos)
		{
			Anope::string opt = word.substr(pos + 1);
			if (!opt.empty())
			{
				if (opt.equals_ci("SINGLE"))
					bwtype = BW_SINGLE;
				else if (opt.equals_ci("START"))
					bwtype = BW_START;
				else if (opt.equals_ci("END"))
					bwtype = BW_END;
			}
			realword = word.substr(0, pos);
		}

		unsigned badwordsmax = Config->GetModule(this->module)->Get<unsigned>("badwordsmax");
		if (badwords->GetBadWordCount(ci) >= badwordsmax)
		{
			source.Reply(_("Sorry, you can only have \002{0}\002 bad words entries on a channel."), badwordsmax);
			return;
		}

		bool casesensitive = Config->GetModule(this->module)->Get<bool>("casesensitive");

		for (BadWord *bw : badwords->GetBadWords(ci))
			if ((casesensitive && realword.equals_cs(bw->GetWord())) || (!casesensitive && realword.equals_ci(bw->GetWord())))
			{
				source.Reply(_("\002{0}\002 already exists in \002{1}\002 bad words list."), bw->GetWord(), ci->GetName());
				return;
			}

		bool override = !source.AccessFor(ci).HasPriv("BADWORDS");
		Log(override ? LOG_OVERRIDE : LOG_COMMAND, source, this, ci) << "ADD " << realword;
		badwords->AddBadWord(ci, realword, bwtype);

		source.Reply(_("\002{0}\002 added to \002{1}\002 bad words list."), realword, ci->GetName());
	}

int main(int ac, char **av, char **envp)
{
	BinaryDir = GetFullProgDir(av[0]);
	if (BinaryDir[BinaryDir.length() - 1] == '.')
		BinaryDir = BinaryDir.substr(0, BinaryDir.length() - 2);

#ifdef _WIN32
	Anope::string::size_type n = BinaryDir.rfind('\\');
#else
	Anope::string::size_type n = BinaryDir.rfind('/');
#endif
	Anope::ServicesDir = BinaryDir.substr(0, n);

#ifdef _WIN32
	/* Clean out the module runtime directory prior to running, just in case files were left behind during a previous run */
	ModuleManager::CleanupRuntimeDirectory();

	OnStartup();
#endif

	try
	{
		/* General initialization first */
		Anope::Init(ac, av);
	}
	catch (const CoreException &ex)
	{
		Anope::Logger.Log(ex.GetReason());
		return -1;
	}

	try
	{
		Uplink::Connect();
	}
	catch (const SocketException &ex)
	{
		Anope::Logger.Terminal(_("Unable to connect to uplink #{0} ({1}:{2}): {3}"), Anope::CurrentUplink + 1, Config->Uplinks[Anope::CurrentUplink].host, Config->Uplinks[Anope::CurrentUplink].port, ex.GetReason());
	}

	/* Set up timers */
	time_t last_check = Anope::CurTime;
	ExpireTimer expireTimer(Config->GetBlock("options")->Get<time_t>("expiretimeout", "30m"));
	Uplink::PingTimer pingTimer(30);

	/*** Main loop. ***/
	while (!Anope::Quitting)
	{
		Anope::Logger.Debug2("Top of main loop");

		/* Process timers */
		if (Anope::CurTime - last_check >= Config->TimeoutCheck)
		{
			TimerManager::TickTimers(Anope::CurTime);
			last_check = Anope::CurTime;
		}

		/* Process the socket engine */
		SocketEngine::Process();

		if (Anope::Signal)
			Anope::HandleSignal();
	}

	if (Anope::Restarting)
	{
		EventManager::Get()->Dispatch(&Event::Restart::OnRestart);
	}
	else
	{
		EventManager::Get()->Dispatch(&Event::Shutdown::OnShutdown);
	}

	if (Anope::QuitReason.empty())
		Anope::QuitReason = "Terminating, reason unknown";
	Anope::Logger.Log(Anope::QuitReason);

	delete UplinkSock;

	ModuleManager::UnloadAll();
	SocketEngine::Shutdown();
	for (Module *m; (m = ModuleManager::FindFirstOf(PROTOCOL)) != NULL;)
		ModuleManager::UnloadModule(m, NULL);

#ifdef _WIN32
	ModuleManager::CleanupRuntimeDirectory();

	OnShutdown();
#endif

	if (Anope::Restarting)
	{
		chdir(BinaryDir.c_str());
		Anope::string sbin = "./" + Anope::ServicesBin;
		av[0] = const_cast<char *>(sbin.c_str());
		execve(Anope::ServicesBin.c_str(), av, envp);
		Anope::Logger.Log("Restart failed");
		Anope::ReturnValue = -1;
	}

//.........这里部分代码省略.........