C++ string::is_number_only方法代码示例

	void Execute(CommandSource &source, const std::vector<Anope::string> &params) override
	{

		MemoServ::MemoInfo *mi;
		ChanServ::Channel *ci = NULL;
		Anope::string numstr = params[0], chan;

		if (!numstr.empty() && numstr[0] == '#')
		{
			chan = numstr;
			numstr = params.size() > 1 ? params[1] : "";

			ci = ChanServ::Find(chan);
			if (!ci)
			{
				source.Reply(_("Channel \002{0}\002 isn't registered."), chan);
				return;
			}

			if (!source.AccessFor(ci).HasPriv("MEMO"))
			{
				source.Reply(_("Access denied. You do not have privilege \002{0}\002 on \002{1}\002."), "MEMO", ci->GetName());
				return;
			}

			mi = ci->GetMemos();
		}
		else
			mi = source.nc->GetMemos();

		if (numstr.empty() || (!numstr.equals_ci("LAST") && !numstr.equals_ci("NEW") && !numstr.is_number_only()))
		{
			this->OnSyntaxError(source, numstr);
			return;
		}

		if (!mi)
			return;

		auto memos = mi->GetMemos();

		if (memos.empty())
		{
			if (!chan.empty())
				source.Reply(_("\002{0}\002 has no memos."), chan);
			else
				source.Reply(_("You have no memos."));
			return;
		}

		int i, end;

		if (numstr.equals_ci("NEW"))
		{
			int readcount = 0;
			for (i = 0, end = memos.size(); i < end; ++i)
				if (mi->GetMemo(i)->GetUnread())
				{
					DoRead(source, mi, ci, i);
					++readcount;
				}
			if (!readcount)
			{
				if (!chan.empty())
					source.Reply(_("\002{0}\002 has no new memos."), chan);
				else
					source.Reply(_("You have no new memos."));
			}
		}
		else if (numstr.equals_ci("LAST"))
		{
			for (i = 0, end = memos.size() - 1; i < end; ++i);
			DoRead(source, mi, ci, i);
		}
		else /* number[s] */
		{
			NumberList(numstr, false,
				[&](unsigned int number)
				{
					if (!number || number > memos.size())
						return;

					DoRead(source, mi, ci, number - 1);
				},
				[]{});
		}
	}

void Anope::Init(int ac, char **av)
{
	/* Set file creation mask and group ID. */
#if defined(DEFUMASK) && HAVE_UMASK
	umask(DEFUMASK);
#endif

	/* Parse command line arguments */
	ParseCommandLineArguments(ac, av);

	if (GetCommandLineArgument("version", 'v'))
	{
		Log(LOG_TERMINAL) << "Anope-" << Anope::Version() << " -- " << Anope::VersionBuildString();
		throw CoreException();
	}

	if (GetCommandLineArgument("help", 'h'))
	{
		Log(LOG_TERMINAL) << "Anope-" << Anope::Version() << " -- " << Anope::VersionBuildString();
		Log(LOG_TERMINAL) << "Anope IRC Services (http://www.anope.org)";
		Log(LOG_TERMINAL) << "Usage ./" << Anope::ServicesBin << " [options] ...";
		Log(LOG_TERMINAL) << "-c, --config=filename.conf";
		Log(LOG_TERMINAL) << "    --confdir=conf file direcory";
		Log(LOG_TERMINAL) << "    --dbdir=database directory";
		Log(LOG_TERMINAL) << "-d, --debug[=level]";
		Log(LOG_TERMINAL) << "-h, --help";
		Log(LOG_TERMINAL) << "    --localedir=locale directory";
		Log(LOG_TERMINAL) << "    --logdir=logs directory";
		Log(LOG_TERMINAL) << "    --modulesdir=modules directory";
		Log(LOG_TERMINAL) << "-e, --noexpire";
		Log(LOG_TERMINAL) << "-n, --nofork";
		Log(LOG_TERMINAL) << "    --nothird";
		Log(LOG_TERMINAL) << "    --protocoldebug";
		Log(LOG_TERMINAL) << "-r, --readonly";
		Log(LOG_TERMINAL) << "-s, --support";
		Log(LOG_TERMINAL) << "-v, --version";
		Log(LOG_TERMINAL) << "";
		Log(LOG_TERMINAL) << "Further support is available from http://www.anope.org";
		Log(LOG_TERMINAL) << "Or visit us on IRC at irc.anope.org #anope";
		throw CoreException();
	}

	if (GetCommandLineArgument("nofork", 'n'))
		Anope::NoFork = true;

	if (GetCommandLineArgument("support", 's'))
	{
		Anope::NoFork = Anope::NoThird = true;
		++Anope::Debug;
	}

	if (GetCommandLineArgument("readonly", 'r'))
		Anope::ReadOnly = true;

	if (GetCommandLineArgument("nothird"))
		Anope::NoThird = true;

	if (GetCommandLineArgument("noexpire", 'e'))
		Anope::NoExpire = true;

	if (GetCommandLineArgument("protocoldebug"))
		Anope::ProtocolDebug = true;

	Anope::string arg;
	if (GetCommandLineArgument("debug", 'd', arg))
	{
		if (!arg.empty())
		{
			int level = arg.is_number_only() ? convertTo<int>(arg) : -1;
			if (level > 0)
				Anope::Debug = level;
			else
				throw CoreException("Invalid option given to --debug");
		}
		else
			++Anope::Debug;
	}

	if (GetCommandLineArgument("config", 'c', arg))
	{
		if (arg.empty())
			throw CoreException("The --config option requires a file name");
		ServicesConf = Configuration::File(arg, false);
	}

	if (GetCommandLineArgument("confdir", 0, arg))
	{
		if (arg.empty())
			throw CoreException("The --confdir option requires a path");
		Anope::ConfigDir = arg;
	}

	if (GetCommandLineArgument("dbdir", 0, arg))
	{
		if (arg.empty())
			throw CoreException("The --dbdir option requires a path");
		Anope::DataDir = arg;
	}

	if (GetCommandLineArgument("localedir", 0, arg))
//.........这里部分代码省略.........